MVF / BlackRock MuniVest Fund, Inc. - SEC-Einreichungen, Jahresbericht, Proxy Statement

BlackRock MuniVest Fund, Inc.
US ˙ NYSE ˙ US09253R1059
DIESES SYMBOL IST NICHT MEHR AKTIV

Basisstatistiken
LEI 68LQJ5NLUNQI2T9OLL41
CIK 835948
SEC Filings
All companies that sell securities in the United States must register with the Securities and Exchange Commission (SEC) and file reports on a regular basis. These reports include company annual reports (10K, 10Q), news updates (8K), investor presentations (found in 8Ks), insider trades (form 4), ownership reports (13D, and 13G), and reports related to the specific securities sold, such as registration statements and prospectus. This page shows recent SEC filings related to BlackRock MuniVest Fund, Inc.
SEC Filings (Chronological Order)
Auf dieser Seite finden Sie eine vollständige, chronologische Liste der SEC-Einreichungen, mit Ausnahme der Eigentumseinreichungen, die wir an anderer Stelle bereitstellen.
October 14, 2025 DEFA14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934

BlackRock MuniVest Fund, Inc. UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant ☒ Filed by a Party other than the Registrant ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confidential, for Use of the Commission Only (as permitted by

October 6, 2025 DEFA14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant  ☒ Filed by a Party other than the Registrant  ☐

BLACKROCK MUNIVEST FUND, INC. MVF UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant  ☒ Filed by a Party other than the Registrant  ☐ Check the appropriate box: ☐    Preliminary Proxy Statement ☐  Confidential, for Use of the Commission Only (as per

September 25, 2025 DEFA14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant ☒ Filed by a Party other than the Registrant ☐ C

BLACKROCK MUNIVEST FUND, INC. MVF UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant ☒ Filed by a Party other than the Registrant ☐ Check the appropriate box: ☐   Preliminary Proxy Statement ☐  Confidential, for Use of the Commission Only (as permit

September 8, 2025 DEF 14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934

Proxy Statement - MYI, MIY, MVF, MVT Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.

August 19, 2025 SC TO-I/A

SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE TO TENDER OFFER STATEMENT Under Section 14(d)(1) or 13(e)(1) of the Securities Exchange Act of 1934 (Amendment No. 2) BlackRock MuniVest Fund, Inc. (Name of Subject Company (Issuer))

SC TO-I/A SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE TO TENDER OFFER STATEMENT Under Section 14(d)(1) or 13(e)(1) of the Securities Exchange Act of 1934 (Amendment No. 2) BlackRock MuniVest Fund, Inc. (Name of Subject Company (Issuer)) BlackRock MuniVest Fund, Inc. (Names of Filing Person(s) (Issuer)) Shares of Common Stock, Par Value $0.10 per share (Title of Class of Secu

August 19, 2025 EX-FILING FEES

Table 1: Transaction Valuation

Calculation of Filing Fee Tables Table 1: Transaction Valuation Transaction Valuation Fee Rate Amount of Filing Fee Fees to be Paid Fees Previously Paid 1 $ 10,134,084.

August 19, 2025 EX-99.(A)(5)(III)

Fund Name

EX-99.(a)(5)(iii) Exhibit (a)(5)(iii) Contact: 1-800-882-0052 BlackRock MuniVest Fund, Inc. (MVF) Announces Final Results of Tender Offer New York, August 18, 2025 –BlackRock MuniVest Fund, Inc. (MVF) (the “Fund”) announced today the final results of the Fund’s tender offer (“Tender Offer”) for up to 2.5% of its outstanding common shares (the “Shares”). The Tender Offer, which expired at 5:00 p.m.

August 18, 2025 SC TO-I/A

SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE TO TENDER OFFER STATEMENT Under Section 14(d)(1) or 13(e)(1) of the Securities Exchange Act of 1934 (Amendment No. 1) BlackRock MuniVest Fund, Inc. (Name of Subject Company (Issuer))

SC TO-I/A SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE TO TENDER OFFER STATEMENT Under Section 14(d)(1) or 13(e)(1) of the Securities Exchange Act of 1934 (Amendment No. 1) BlackRock MuniVest Fund, Inc. (Name of Subject Company (Issuer)) BlackRock MuniVest Fund, Inc. (Names of Filing Person(s) (Issuer)) Shares of Common Stock, Par Value $0.10 per share (Title of Class of Secu

August 18, 2025 EX-99.(A)(5)(II)

2

EX-99.(a)(5)(ii) Exhibit (a)(5)(ii) Contact: 1-800-882-0052 BlackRock MuniVest Fund, Inc. (MVF) Announces Expiration and Preliminary Results of Tender Offer New York, August 18, 2025 – BlackRock MuniVest Fund, Inc. (MVF) (the “Fund”) announced today the expiration and preliminary results of the Fund’s tender offer (“Tender Offer”) for up to 2.5% of its outstanding common shares (the “Shares”). The

August 18, 2025 EX-FILING FEES

Table 1: Transaction Valuation

Calculation of Filing Fee Tables Table 1: Transaction Valuation Transaction Valuation Fee Rate Amount of Filing Fee Fees to be Paid Fees Previously Paid 1 $ 10,134,084.

August 12, 2025 425

- 2 -

MuniYield Quality Fund (MQY) - 425 Filed by BlackRock MuniYield Quality Fund III, Inc.

August 8, 2025 PRE 14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934

Proxy Statement - MYI, MIY, MVF, MVT Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.

July 15, 2025 EX-99.(A)(1)(II)

Letter of Transmittal Regarding Shares of Common Stock of BlackRock MuniVest Fund, Inc. Tendered Pursuant to the Offer to Purchase Dated July 15, 2025

Exhibit (a)(1)(ii) Letter of Transmittal Regarding Shares of Common Stock of BlackRock MuniVest Fund, Inc.

July 15, 2025 425

Offer to Purchase Up to 2.5% of the Issued and Outstanding Shares of Common Stock BlackRock MuniVest Fund, Inc. 98% of Net Asset Value Per Share BlackRock MuniVest Fund, Inc. in Exchange for Cash THE OFFER TO PURCHASE WILL EXPIRE AT 5:00 P.M., EASTER

Table of Contents Filed by BlackRock MuniYield Quality Fund III, Inc. pursuant to Rule 425 under the Securities Act of 1933 and deemed filed pursuant to Rule 14a-12 under the Securities Exchange Act of 1934 Subject Company: BlackRock MuniVest Fund, Inc. Investment Company Act File No.: 811-05611 Date: July 15, 2025 Offer to Purchase Up to 2.5% of the Issued and Outstanding Shares of Common Stock o

July 15, 2025 EX-99.(A)(1)(I)

Offer to Purchase Up to 2.5% of the Issued and Outstanding Shares of Common Stock BlackRock MuniVest Fund, Inc. 98% of Net Asset Value Per Share BlackRock MuniVest Fund, Inc. in Exchange for Cash THE OFFER TO PURCHASE WILL EXPIRE AT 5:00 P.M., EASTER

EX-99.(a)(1)(i) Table of Contents Exhibit (a)(1)(i) Offer to Purchase Up to 2.5% of the Issued and Outstanding Shares of Common Stock of BlackRock MuniVest Fund, Inc. at 98% of Net Asset Value Per Share by BlackRock MuniVest Fund, Inc. in Exchange for Cash THE OFFER TO PURCHASE WILL EXPIRE AT 5:00 P.M., EASTERN TIME, ON AUGUST 15, 2025, UNLESS THE OFFER IS EXTENDED. To the Common Stockholders of B

July 15, 2025 EX-FILING FEES

Calculation of Filing Fee Tables SC TO-I (Form Type) BlackRock MuniVest Fund, Inc. (Exact Name of Registrant as Specified in its Charter) Table 1: Transaction Valuation Transaction Valuation Fee rate Amount of Filing Fee Fees to Be Paid $ 10,134,084.

EX-FILING FEES Exhibit 107 EX-FILING FEES Calculation of Filing Fee Tables SC TO-I (Form Type) BlackRock MuniVest Fund, Inc.

July 15, 2025 425

BlackRock Municipal Merger Summary

BlackRock MuniYield Quality Fund III, Inc Filed by BlackRock MuniYield Quality Fund III, Inc.

July 15, 2025 SC TO-I

SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE TO TENDER OFFER STATEMENT Under Section 14(d)(1) or 13(e)(1) of the Securities Exchange Act of 1934 BlackRock MuniVest Fund, Inc. (Name of Subject Company (Issuer)) BlackRock MuniVest

SC TO-I SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE TO TENDER OFFER STATEMENT Under Section 14(d)(1) or 13(e)(1) of the Securities Exchange Act of 1934 BlackRock MuniVest Fund, Inc. (Name of Subject Company (Issuer)) BlackRock MuniVest Fund, Inc. (Names of Filing Person(s) (Issuer)) Shares of Common Stock, Par Value $0.10 per share (Title of Class of Securities) 09253R105 (C

July 15, 2025 EX-99.(D)(5)

W I T N E S S E T H:

EX-99.(d)(5) Exhibit (d)(5) WAIVER WAIVER, dated as of July 11, 2025 (this “Waiver”), to that certain Discount Management Program Standstill Agreement, dated as of May 3, 2024 (the “Agreement”), by and among Karpus Management, Inc., doing business as Karpus Investment Management (“Karpus”), BlackRock Advisors, LLC (the “Manager”) and BlackRock MuniVest Fund, Inc. (the “Fund”). Karpus, the Manager

July 1, 2025 SC TO-C

As filed with the Securities and Exchange Commission on July 1, 2025 SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE TO TENDER OFFER STATEMENT Under Section 14(d)(1) or 13(e)(1) of the Securities Exchange Act of 1934 BlackRock Muni

As filed with the Securities and Exchange Commission on July 1, 2025 SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.

June 9, 2025 425

2

MuniYield Quality Fund (MQY) - 425 Filed by BlackRock MuniYield Quality Fund II, Inc.

May 22, 2025 EX-99.(A)(5)(III)

Certain BlackRock Funds (BGY, BSTZ, MVF) Announce Final Results of Tender Offers

Exhibit (a)(5)(iii) Contact: 1-800-882-0052 Certain BlackRock Funds (BGY, BSTZ, MVF) Announce Final Results of Tender Offers New York, May 21, 2025 – The BlackRock closed-end funds (the “Funds”) listed below announced today the final results of each Fund’s tender offer (each, a “Tender Offer”) for up to 2.

May 22, 2025 SC TO-I/A

SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE TO TENDER OFFER STATEMENT Under Section 14(d)(1) or 13(e)(1) of the Securities Exchange Act of 1934 (Amendment No. 2) BlackRock MuniVest Fund, Inc. (Name of Subject Company (Issuer))

SC TO-I/A SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE TO TENDER OFFER STATEMENT Under Section 14(d)(1) or 13(e)(1) of the Securities Exchange Act of 1934 (Amendment No. 2) BlackRock MuniVest Fund, Inc. (Name of Subject Company (Issuer)) BlackRock MuniVest Fund, Inc. (Names of Filing Person(s) (Issuer)) Shares of Common Stock, Par Value $0.10 per share (Title of Class of Secu

May 22, 2025 DEF 14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant  ☒ Filed by a Party other than the Registrant  ☐ Check the appropriate box: ☐  Preliminary Proxy Statement ☐ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ☒  Defini

May 22, 2025 EX-FILING FEES

Calculation of Filing Fee Tables SC TO-I/A (Form Type) BlackRock MuniVest Fund, Inc. (Exact Name of Registrant as Specified in its Charter) Table 1: Transaction Valuation Transaction Valuation Fee rate Amount of Filing Fee Fees to Be Paid —  0.000153

Exhibit 107 EX-FILING FEES Calculation of Filing Fee Tables SC TO-I/A (Form Type) BlackRock MuniVest Fund, Inc.

May 21, 2025 EX-FILING FEES

Calculation of Filing Fee Tables SC TO-I/A (Form Type) BlackRock MuniVest Fund, Inc. (Exact Name of Registrant as Specified in its Charter) Table 1: Transaction Valuation Transaction Valuation Fee rate Amount of Filing Fee Fees to Be Paid —  0.000153

Exhibit 107 EX-FILING FEES Calculation of Filing Fee Tables SC TO-I/A (Form Type) BlackRock MuniVest Fund, Inc.

May 21, 2025 SC TO-I/A

SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE TO TENDER OFFER STATEMENT Under Section 14(d)(1) or 13(e)(1) of the Securities Exchange Act of 1934 (Amendment No. 1) BlackRock MuniVest Fund, Inc. (Name of Subject Company (Issuer))

SC TO-I/A SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE TO TENDER OFFER STATEMENT Under Section 14(d)(1) or 13(e)(1) of the Securities Exchange Act of 1934 (Amendment No. 1) BlackRock MuniVest Fund, Inc. (Name of Subject Company (Issuer)) BlackRock MuniVest Fund, Inc. (Names of Filing Person(s) (Issuer)) Shares of Common Stock, Par Value $0.10 per share (Title of Class of Secu

May 21, 2025 EX-99.(A)(5)(II)

Shares Offered for Repurchase

Exhibit (a)(5)(ii) Contact: 1-800-882-0052 Certain BlackRock Funds (BGY, BSTZ, MVF) Announce Expiration and Preliminary Results of Tender Offers New York, May 20, 2025 – The BlackRock closed-end funds (the “Funds”) listed below announced today the expiration and preliminary results of each Fund’s tender offer (each, a “Tender Offer”) for up to 2.

April 17, 2025 EX-99.(A)(1)(I)

Offer to Purchase Up to 2.5% of the Issued and Outstanding Shares of Common Stock BlackRock MuniVest Fund, Inc. 98% of Net Asset Value Per Share BlackRock MuniVest Fund, Inc. in Exchange for Cash THE OFFER TO PURCHASE WILL EXPIRE AT 5:00 P.M., EASTER

Table of Contents Exhibit (a)(1)(i) Offer to Purchase Up to 2.5% of the Issued and Outstanding Shares of Common Stock of BlackRock MuniVest Fund, Inc. at 98% of Net Asset Value Per Share by BlackRock MuniVest Fund, Inc. in Exchange for Cash THE OFFER TO PURCHASE WILL EXPIRE AT 5:00 P.M., EASTERN TIME, ON MAY 20, 2025, UNLESS THE OFFER IS EXTENDED. To the Common Stockholders of BlackRock MuniVest F

April 17, 2025 EX-99.(A)(1)(II)

Letter of Transmittal Regarding Shares of Common Stock of BlackRock MuniVest Fund, Inc. Tendered Pursuant to the Offer to Purchase Dated April 17, 2025

Exhibit (a)(1)(ii) Letter of Transmittal Regarding Shares of Common Stock of BlackRock MuniVest Fund, Inc.

April 17, 2025 SC TO-I

SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE TO TENDER OFFER STATEMENT Under Section 14(d)(1) or 13(e)(1) of the Securities Exchange Act of 1934 BlackRock MuniVest Fund, Inc. (Name of Subject Company (Issuer)) BlackRock MuniVest

SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE TO TENDER OFFER STATEMENT Under Section 14(d)(1) or 13(e)(1) of the Securities Exchange Act of 1934 BlackRock MuniVest Fund, Inc. (Name of Subject Company (Issuer)) BlackRock MuniVest Fund, Inc. (Names of Filing Person(s) (Issuer)) Shares of Common Stock, Par Value $0.10 per share (Title of Class of Securities) 09253R105 (CUSIP Num

April 17, 2025 EX-FILING FEES

Calculation of Filing Fee Tables SC TO-I (Form Type) BlackRock MuniVest Fund, Inc. (Exact Name of Registrant as Specified in its Charter) Table 1: Transaction Valuation Transaction Valuation Fee rate Amount of Filing Fee Fees to Be Paid $ 10,673,260.

Exhibit 107 EX-FILING FEES Calculation of Filing Fee Tables SC TO-I (Form Type) BlackRock MuniVest Fund, Inc.

April 2, 2025 SC TO-C

As filed with the Securities and Exchange Commission on April 1, 2025 SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE TO TENDER OFFER STATEMENT Under Section 14(d)(1) or 13(e)(1) of the Securities Exchange Act of 1934 BlackRock Mun

SC TO-C As filed with the Securities and Exchange Commission on April 1, 2025 SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.

February 25, 2025 SC TO-I/A

SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE TO TENDER OFFER STATEMENT Under Section 14(d)(1) or 13(e)(1) of the Securities Exchange Act of 1934 (Amendment No. 2) BlackRock MuniVest Fund, Inc. (Name of Subject Company (Issuer))

SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE TO TENDER OFFER STATEMENT Under Section 14(d)(1) or 13(e)(1) of the Securities Exchange Act of 1934 (Amendment No. 2) BlackRock MuniVest Fund, Inc. (Name of Subject Company (Issuer)) BlackRock MuniVest Fund, Inc. (Names of Filing Person(s) (Issuer)) Shares of Common Stock, Par Value $0.10 per share (Title of Class of Securities) 09

February 25, 2025 EX-99.(A)(5)(III)

Certain BlackRock Funds Announce Final Results of Tender Offers

Exhibit (a)(5)(iii) Contact: 1-800-882-0052 Certain BlackRock Funds Announce Final Results of Tender Offers New York, February 24, 2025 – The BlackRock closed-end funds (the “Funds”) listed below announced today the final results of each Fund’s tender offer (each, a “Tender Offer”) for up to 2.

February 25, 2025 EX-FILING FEES

Calculation of Filing Fee Tables SC TO-I/A (Form Type) BlackRock MuniVest Fund, Inc. (Exact Name of Registrant as Specified in its Charter) Table 1: Transaction Valuation  Transaction  Valuation Fee  rate   Amount of  Filing Fee Fees to Be Paid —  0.

Exhibit 107 EX-FILING FEES Calculation of Filing Fee Tables SC TO-I/A (Form Type) BlackRock MuniVest Fund, Inc.

February 24, 2025 SC TO-I/A

SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE TO TENDER OFFER STATEMENT Under Section 14(d)(1) or 13(e)(1) of the Securities Exchange Act of 1934 (Amendment No. 1) BlackRock MuniVest Fund, Inc. (Name of Subject Company (Issuer))

SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE TO TENDER OFFER STATEMENT Under Section 14(d)(1) or 13(e)(1) of the Securities Exchange Act of 1934 (Amendment No. 1) BlackRock MuniVest Fund, Inc. (Name of Subject Company (Issuer)) BlackRock MuniVest Fund, Inc. (Names of Filing Person(s) (Issuer)) Shares of Common Stock, Par Value $0.10 per share (Title of Class of Securities) 09

February 24, 2025 EX-99.(A)(5)(II)

Fund Name

Exhibit (a)(5)(ii) Contact: 1-800-882-0052 Certain BlackRock Funds Announce Expiration and Preliminary Results of Tender Offers New York, February 21, 2025 – The BlackRock closed-end funds (the “Funds”) listed below announced today the expiration and preliminary results of each Fund’s tender offer (each, a “Tender Offer”) for up to 2.

February 24, 2025 EX-FILING FEES

Calculation of Filing Fee Tables SC TO-I/A (Form Type) BlackRock MuniVest Fund, Inc. (Exact Name of Registrant as Specified in its Charter) Table 1: Transaction Valuation Transaction Valuation Fee rate Amount of Filing Fee Fees to Be Paid —   0.00015

EX-FILING FEES Exhibit 107 EX-FILING FEES Calculation of Filing Fee Tables SC TO-I/A (Form Type) BlackRock MuniVest Fund, Inc.

January 22, 2025 EX-99.(A)(1)(III)

Letter of Transmittal Regarding Shares of Common Stock of BlackRock MuniVest Fund, Inc. Tendered Pursuant to the Offer to Purchase Dated January 22, 2025

Exhibit (a)(1)(iii) Letter of Transmittal Regarding Shares of Common Stock of BlackRock MuniVest Fund, Inc.

January 22, 2025 EX-FILING FEES

Calculation of Filing Fee Tables SC TO-I (Form Type) BlackRock MuniVest Fund, Inc. (Exact Name of Registrant as Specified in its Charter) Table 1: Transaction Valuation Transaction Valuation Fee rate Amount of Filing Fee Fees to Be Paid $ 11,338,973.

Exhibit 107 EX-FILING FEES Calculation of Filing Fee Tables SC TO-I (Form Type) BlackRock MuniVest Fund, Inc.

January 22, 2025 EX-99.(A)(1)(I)

Offer to Purchase Up to 2.5% of the Issued and Outstanding Shares of Common Stock BlackRock MuniVest Fund, Inc. 98% of Net Asset Value Per Share BlackRock MuniVest Fund, Inc. in Exchange for Cash THE OFFER TO PURCHASE WILL EXPIRE AT 5:00 P.M., EASTER

Table of Contents Exhibit (a)(1)(i) Offer to Purchase Up to 2.5% of the Issued and Outstanding Shares of Common Stock of BlackRock MuniVest Fund, Inc. at 98% of Net Asset Value Per Share by BlackRock MuniVest Fund, Inc. in Exchange for Cash THE OFFER TO PURCHASE WILL EXPIRE AT 5:00 P.M., EASTERN TIME, ON FEBRUARY 21, 2025, UNLESS THE OFFER IS EXTENDED. To the Common Stockholders of BlackRock MuniV

January 22, 2025 SC TO-I

SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE TO TENDER OFFER STATEMENT Under Section 14(d)(1) or 13(e)(1) of the Securities Exchange Act of 1934 BlackRock MuniVest Fund, Inc. (Name of Subject Company (Issuer)) BlackRock MuniVest

SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE TO TENDER OFFER STATEMENT Under Section 14(d)(1) or 13(e)(1) of the Securities Exchange Act of 1934 BlackRock MuniVest Fund, Inc. (Name of Subject Company (Issuer)) BlackRock MuniVest Fund, Inc. (Names of Filing Person(s) (Issuer)) Shares of Common Stock, Par Value $0.10 per share (Title of Class of Securities) 09253R105 (CUSIP Num

January 22, 2025 EX-99.(A)(1)(II)

Supplement No. 1 to the Offer to Purchase Up to 2.5% of the Issued and Outstanding Shares of Common Stock BlackRock MuniVest Fund, Inc. 98% of Net Asset Value Per Share BlackRock MuniVest Fund, Inc. in Exchange for Cash THE OFFER TO PURCHASE WILL EXP

Exhibit (a)(1)(ii) Supplement No. 1 to the Offer to Purchase Up to 2.5% of the Issued and Outstanding Shares of Common Stock of BlackRock MuniVest Fund, Inc. at 98% of Net Asset Value Per Share by BlackRock MuniVest Fund, Inc. in Exchange for Cash THE OFFER TO PURCHASE WILL EXPIRE AT 5:00 P.M., EASTERN TIME, ON FEBRUARY 21, 2025, UNLESS THE OFFER IS EXTENDED. To the Common Stockholders of BlackRoc

January 21, 2025 8-K

Current Report

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): January 21, 2025 (January 20, 2025) BLACKROCK MUNIVEST FUND, INC. (Exact Name of Registrant as Specified in Charter) Maryland 811-05611 22-2919170 (State or Other Jurisdiction of Inco

January 21, 2025 EX-10.1

STANDSTILL AGREEMENT

Exhibit 10.1 Subject to FRE 408 STANDSTILL AGREEMENT This Standstill Agreement (including the exhibits hereto, this “Agreement”) is entered into as of January 20, 2025 by and among Saba Capital Management, L.P. (“Saba”), BlackRock MuniVest Fund, Inc. (the “Fund”) and BlackRock Advisors, LLC (the “Advisor,” and together with Saba and the Fund, the “Parties,” and each individually, a “Party”). WHERE

January 3, 2025 SC TO-C

As filed with the Securities and Exchange Commission on January 2, 2025 SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE TO TENDER OFFER STATEMENT Under Section 14(d)(1) or 13(e)(1) of the Securities Exchange Act of 1934 BlackRock M

SC TO-C As filed with the Securities and Exchange Commission on January 2, 2025 SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.

November 22, 2024 EX-99.(A)(5)(III)

Certain BlackRock Funds Announce Final Results of Tender Offers

Exhibit (a)(5)(iii) Contact: 1-800-882-0052 Certain BlackRock Funds Announce Final Results of Tender Offers New York, November 21, 2024 – The BlackRock closed-end funds (the “Funds”) listed below announced today the final results of each Fund’s tender offer (each, a “Tender Offer”) for up to 2.

November 22, 2024 EX-FILING FEES

Calculation of Filing Fee Tables SC TO-I/A (Form Type) BlackRock MuniVest Fund, Inc. (Exact Name of Registrant as Specified in its Charter) Table 1: Transaction Valuation  Transaction  Valuation Fee rate Amount of Filing Fee Fees to Be Paid —  0.0001

Exhibit 107 EX-FILING FEES Calculation of Filing Fee Tables SC TO-I/A (Form Type) BlackRock MuniVest Fund, Inc.

November 22, 2024 SC TO-I/A

SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE TO TENDER OFFER STATEMENT Under Section 14(d)(1) or 13(e)(1) of the Securities Exchange Act of 1934 (Amendment No. 2) BlackRock MuniVest Fund, Inc. (Name of Subject Company (Issuer))

SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE TO TENDER OFFER STATEMENT Under Section 14(d)(1) or 13(e)(1) of the Securities Exchange Act of 1934 (Amendment No. 2) BlackRock MuniVest Fund, Inc. (Name of Subject Company (Issuer)) BlackRock MuniVest Fund, Inc. (Names of Filing Person(s) (Issuer)) Shares of Common Stock, Par Value $0.10 per share (Title of Class of Securities) 09

November 21, 2024 SC TO-I/A

SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE TO TENDER OFFER STATEMENT Under Section 14(d)(1) or 13(e)(1) of the Securities Exchange Act of 1934 (Amendment No. 1) BlackRock MuniVest Fund, Inc. (Name of Subject Company (Issuer))

SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE TO TENDER OFFER STATEMENT Under Section 14(d)(1) or 13(e)(1) of the Securities Exchange Act of 1934 (Amendment No. 1) BlackRock MuniVest Fund, Inc. (Name of Subject Company (Issuer)) BlackRock MuniVest Fund, Inc. (Names of Filing Person(s) (Issuer)) Shares of Common Stock, Par Value $0.10 per share (Title of Class of Securities) 09

November 21, 2024 EX-FILING FEES

Calculation of Filing Fee Tables SC TO-I/A (Form Type) BlackRock MuniVest Fund, Inc. (Exact Name of Registrant as Specified in its Charter) Table 1: Transaction Valuation  Transaction  Valuation Fee rate  Amount of  Filing Fee Fees to Be Paid —  0.00

Exhibit 107 EX-FILING FEES Calculation of Filing Fee Tables SC TO-I/A (Form Type) BlackRock MuniVest Fund, Inc.

November 21, 2024 EX-99.(A)(5)(II)

Certain BlackRock Funds Announce Expiration and Preliminary Results of Tender Offers

Exhibit (a)(5)(ii) Contact: 1-800-882-0052 Certain BlackRock Funds Announce Expiration and Preliminary Results of Tender Offers New York, November 20, 2024 – The BlackRock closed-end funds (the “Funds”) listed below announced today the expiration and preliminary results of each Fund’s tender offer (each, a “Tender Offer”) for up to 2.

October 18, 2024 EX-99.(A)(1)(II)

Letter of Transmittal Regarding Shares of Common Stock of BlackRock MuniVest Fund, Inc. Tendered Pursuant to the Offer to Purchase Dated October 18, 2024

Exhibit (a)(1)(ii) Letter of Transmittal Regarding Shares of Common Stock of BlackRock MuniVest Fund, Inc.

October 18, 2024 EX-FILING FEES

Calculation of Filing Fee Tables SC TO-I (Form Type) BlackRock MuniVest Fund, Inc. (Exact Name of Registrant as Specified in its Charter) Table 1: Transaction Valuation  Transaction  Valuation Fee  rate   Amount of  Filing Fee Fees to Be Paid $12,248

Exhibit 107 EX-FILING FEES Calculation of Filing Fee Tables SC TO-I (Form Type) BlackRock MuniVest Fund, Inc.

October 18, 2024 EX-99.(A)(1)(I)

Offer to Purchase Up to 2.5% of the Issued and Outstanding Shares of Common Stock BlackRock MuniVest Fund, Inc. 98% of Net Asset Value Per Share BlackRock MuniVest Fund, Inc. in Exchange for Cash THE OFFER TO PURCHASE WILL EXPIRE AT 5:00 P.M., EASTER

Table of Contents Exhibit (a)(1)(i) Offer to Purchase Up to 2.5% of the Issued and Outstanding Shares of Common Stock of BlackRock MuniVest Fund, Inc. at 98% of Net Asset Value Per Share by BlackRock MuniVest Fund, Inc. in Exchange for Cash THE OFFER TO PURCHASE WILL EXPIRE AT 5:00 P.M., EASTERN TIME, ON NOVEMBER 20, 2024, UNLESS THE OFFER IS EXTENDED. To the Common Stockholders of BlackRock MuniV

October 18, 2024 SC TO-I

SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE TO TENDER OFFER STATEMENT Under Section 14(d)(1) or 13(e)(1) of the Securities Exchange Act of 1934 BlackRock MuniVest Fund, Inc. (Name of Subject Company (Issuer)) BlackRock MuniVest

SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE TO TENDER OFFER STATEMENT Under Section 14(d)(1) or 13(e)(1) of the Securities Exchange Act of 1934 BlackRock MuniVest Fund, Inc. (Name of Subject Company (Issuer)) BlackRock MuniVest Fund, Inc. (Names of Filing Person(s) (Issuer)) Shares of Common Stock, Par Value $0.10 per share (Title of Class of Securities) 09253R105 (CUSIP Num

October 1, 2024 SC TO-C

As filed with the Securities and Exchange Commission on October 1, 2024 SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE TO TENDER OFFER STATEMENT Under Section 14(d)(1) or 13(e)(1) of the Securities Exchange Act of 1934 BlackRock M

SC TO-C 1 d816195dsctoc.htm SC TO-C As filed with the Securities and Exchange Commission on October 1, 2024 SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE TO TENDER OFFER STATEMENT Under Section 14(d)(1) or 13(e)(1) of the Securities Exchange Act of 1934 BlackRock MuniVest Fund, Inc. (Name of Subject Company (Issuer)) BlackRock MuniVest Fund, Inc. (Names of Filing Person(s) (Is

August 23, 2024 EX-99.(A)(5)(III)

Certain BlackRock Funds Announce Final Results of Tender Offers

Exhibit (a)(5)(iii) Contact: 1-800-882-0052 Certain BlackRock Funds Announce Final Results of Tender Offers New York, August 22, 2024 – The BlackRock closed-end funds (the “Funds”) listed below announced today the final results of each Fund’s tender offer (each, a “Tender Offer”) for up to 2.

August 23, 2024 SC TO-I/A

SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE TO TENDER OFFER STATEMENT Under Section 14(d)(1) or 13(e)(1) of the Securities Exchange Act of 1934 (Amendment No. 2) BlackRock MuniVest Fund, Inc. (Name of Subject Company (Issuer))

SC TO-I/A SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE TO TENDER OFFER STATEMENT Under Section 14(d)(1) or 13(e)(1) of the Securities Exchange Act of 1934 (Amendment No. 2) BlackRock MuniVest Fund, Inc. (Name of Subject Company (Issuer)) BlackRock MuniVest Fund, Inc. (Names of Filing Person(s) (Issuer)) Shares of Common Stock, Par Value $0.10 per share (Title of Class of Secu

August 23, 2024 EX-FILING FEES

Calculation of Filing Fee Tables SC TO-I/A (Form Type) BlackRock MuniVest Fund, Inc. (Exact Name of Registrant as Specified in its Charter) Table 1: Transaction Valuation  Transaction  Valuation Fee  rate   Amount of  Filing Fee Fees to Be Paid —  0.

Exhibit 107 EX-FILING FEES Calculation of Filing Fee Tables SC TO-I/A (Form Type) BlackRock MuniVest Fund, Inc.

August 22, 2024 SC TO-I/A

SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE TO TENDER OFFER STATEMENT Under Section 14(d)(1) or 13(e)(1) of the Securities Exchange Act of 1934 (Amendment No. 1) BlackRock MuniVest Fund, Inc. (Name of Subject Company (Issuer))

SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE TO TENDER OFFER STATEMENT Under Section 14(d)(1) or 13(e)(1) of the Securities Exchange Act of 1934 (Amendment No. 1) BlackRock MuniVest Fund, Inc. (Name of Subject Company (Issuer)) BlackRock MuniVest Fund, Inc. (Names of Filing Person(s) (Issuer)) Shares of Common Stock, Par Value $0.10 per share (Title of Class of Securities) 09

August 22, 2024 EX-FILING FEES

Calculation of Filing Fee Tables SC TO-I/A (Form Type) BlackRock MuniVest Fund, Inc. (Exact Name of Registrant as Specified in its Charter) Table 1: Transaction Valuation  Transaction  Valuation Fee  rate   Amount of  Filing Fee Fees to Be Paid —  0.

Exhibit 107 EX-FILING FEES Calculation of Filing Fee Tables SC TO-I/A (Form Type) BlackRock MuniVest Fund, Inc.

August 22, 2024 EX-99.(A)(5)(II)

Certain BlackRock Funds Announce Expiration and Preliminary Results of Tender Offers

Exhibit (a)(5)(ii) Contact: 1-800-882-0052 Certain BlackRock Funds Announce Expiration and Preliminary Results of Tender Offers New York, August 21, 2024 – The BlackRock closed-end funds (the “Funds”) listed below announced today the expiration and preliminary results of each Fund’s tender offer (each, a “Tender Offer”) for up to 2.

July 22, 2024 EX-FILING FEES

Calculation of Filing Fee Tables SC TO-I (Form Type) BlackRock MuniVest Fund, Inc. (Exact Name of Registrant as Specified in its Charter) Table 1: Transaction Valuation  Transaction  Valuation Fee  rate   Amount of  Filing Fee Fees to Be Paid $12,451

EX-FILING FEES 5 d848973dexfilingfees.htm EX-FILING FEES EX-FILING FEES Calculation of Filing Fee Tables SC TO-I (Form Type) BlackRock MuniVest Fund, Inc. (Exact Name of Registrant as Specified in its Charter) Table 1: Transaction Valuation  Transaction  Valuation Fee  rate   Amount of  Filing Fee Fees to Be Paid $12,451,348.15(1) 0.00014760% $1,837.82(2) Fees Previously Paid Total Transaction Val

July 22, 2024 EX-99.(A)(1)(II)

Letter of Transmittal Regarding Shares of Common Stock of BlackRock MuniVest Fund, Inc. Tendered Pursuant to the Offer to Purchase Dated July 22, 2024

EX-99.(A)(1)(II) 3 d848973dex99a1ii.htm EXHIBIT (A)(1)(II) Exhibit (a)(1)(ii) Letter of Transmittal Regarding Shares of Common Stock of BlackRock MuniVest Fund, Inc. Tendered Pursuant to the Offer to Purchase Dated July 22, 2024 ALL TENDER REQUESTS MUST BE RECEIVED IN PROPER FORM ON OR BEFORE 5:00 P.M., EASTERN TIME, ON AUGUST 21, 2024. The Depositary Agent for the Offer is: Computershare Trust Co

July 22, 2024 SC TO-I

SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE TO TENDER OFFER STATEMENT Under Section 14(d)(1) or 13(e)(1) of the Securities Exchange Act of 1934 BlackRock MuniVest Fund, Inc. (Name of Subject Company (Issuer)) BlackRock MuniVest

SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE TO TENDER OFFER STATEMENT Under Section 14(d)(1) or 13(e)(1) of the Securities Exchange Act of 1934 BlackRock MuniVest Fund, Inc. (Name of Subject Company (Issuer)) BlackRock MuniVest Fund, Inc. (Names of Filing Person(s) (Issuer)) Shares of Common Stock, Par Value $0.10 per share (Title of Class of Securities) 09253R105 (CUSIP Num

July 22, 2024 EX-99.(A)(1)(I)

Offer to Purchase Up to 2.5% of the Issued and Outstanding Shares of Common Stock BlackRock MuniVest Fund, Inc. 98% of Net Asset Value Per Share BlackRock MuniVest Fund, Inc. in Exchange for Cash THE OFFER TO PURCHASE WILL EXPIRE AT 5:00 P.M., EASTER

Table of Contents Exhibit (a)(1)(i) Offer to Purchase Up to 2.5% of the Issued and Outstanding Shares of Common Stock of BlackRock MuniVest Fund, Inc. at 98% of Net Asset Value Per Share by BlackRock MuniVest Fund, Inc. in Exchange for Cash THE OFFER TO PURCHASE WILL EXPIRE AT 5:00 P.M., EASTERN TIME, ON AUGUST 21, 2024, UNLESS THE OFFER IS EXTENDED. To the Common Stockholders of BlackRock MuniVes

July 22, 2024 EX-99.(D)(4)

Discount Management Program Standstill Agreement

Exhibit (d)(4) Discount Management Program Standstill Agreement This Discount Management Program Standstill Agreement is entered into as of May 3, 2024 (this “Agreement”), by and among Karpus Management, Inc.

July 2, 2024 SC TO-C

As filed with the Securities and Exchange Commission on July 1, 2024 SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE TO TENDER OFFER STATEMENT Under Section 14(d)(1) or 13(e)(1) of the Securities Exchange Act of 1934 BlackRock Muni

SC TO-C As filed with the Securities and Exchange Commission on July 1, 2024 SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.

June 7, 2024 SC 13G/A

MVF / BlackRock MuniVest Fund, Inc. / Karpus Management, Inc. - KARPUS INVESTMENT MGT / BLACKROCK MUNIVEST FUND - SCHEDULE 13G/A(#3) Passive Investment

SC 13G/A 1 karpus-sch13g18820.htm KARPUS INVESTMENT MGT / BLACKROCK MUNIVEST FUND - SCHEDULE 13G/A(#3) UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 3) * BlackRock MuniVest Fund, Inc. (Name of Issuer) Common (Title of Class of Securities) 09253R105 (CUSIP Number) May 31, 2024 (Date of Event Which Requir

June 5, 2024 DEF 14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant  ☒ Filed by a Party other than the Registrant  ☐ Check the appropriate box: ☐  Preliminary Proxy Statement ☐ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ☒  Defini

May 20, 2024 DEFA14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant ☒ Filed by a Party other than the Registrant ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ☐ Definitive

February 14, 2024 SC 13G

MVF / BlackRock MuniVest Fund, Inc. / RIVERNORTH CAPITAL MANAGEMENT, LLC Passive Investment

SC 13G 1 fp0087161-28sc13g.htm UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G INFORMATION TO BE INCLUDED IN STATEMENTS FILED PURSUANT TO RULE 13d-1(b), (c), AND (d) AND AMENDMENTS THERETO FILED PURSUANT TO RULE 13d-2(b) (AMENDMENT NO. 0)* Blackrock MuniVest Fund, Inc. (Name of Issuer) Common (Title of Class of Securities) 09253R105 (CUSIP Number) Marcus Collin

February 13, 2024 SC 13G/A

MVF / BlackRock MuniVest Fund, Inc. / Karpus Management, Inc. - KARPUS INVESTMENT MGT / BLACKROCK MUNIVEST FUND - SCHEDULE 13G/A(#2) Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 2) * BlackRock MuniVest Fund, Inc. (Name of Issuer) Common (Title of Class of Securities) 09253R105 (CUSIP Number) December 31, 2023 (Date of Event Which Requires Filing of This Statement) Check the appropriate box to designate the rule pursuant to which thi

January 5, 2024 SC 13G/A

MVF / BlackRock MuniVest Fund, Inc. / JPMorgan Chase Bank, N.A. - SC 13G/A Passive Investment

SC 13G/A 1 d671835dsc13ga.htm SC 13G/A UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 3)* BlackRock MuniVest Fund, Inc. (Name of Issuer) Variable Rate Muni Term Preferred Shares (Title of Class of Securities) 09253R808 (CUSIP Number) December 20, 2023 (Date of Event Which Requires Filing of this Statemen

January 3, 2024 EX-99.4

REGISTRATION RIGHTS AGREEMENT

EX-99.4 5 d698014dex994.htm EX-99.4 Exhibit 99.4 REGISTRATION RIGHTS AGREEMENT THIS REGISTRATION RIGHTS AGREEMENT (this “Agreement”), executed as of December 20, 2023, is made by and between (i) BlackRock MuniVest Fund, Inc., a closed-end fund organized as a Maryland corporation (the “Fund”) and (ii) DNT Asset Trust, a Delaware statutory trust organized and existing under the laws of the United St

January 3, 2024 SC 13D

MVF / BlackRock MuniVest Fund, Inc. / JPMORGAN CHASE & CO - SC 13D Activist Investment

SC 13D 1 d698014dsc13d.htm SC 13D UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13D Under the Securities Exchange Act of 1934 (Amendment No. n/a)* BLACKROCK MUNIVEST FUND, INC. (Name of Issuer) VARIABLE RATE MUNI TERM PREFERRED SHARES (Title of Class of Securities) 09253R881 (CUSIP Number) Michael Lees JPMorgan Chase & Co. 383 Madison Avenue New York, NY 10179 (2

January 3, 2024 EX-99.1

JOINT FILING AGREEMENT

EX-99.1 2 d698014dex991.htm EX-99.1 Exhibit 99.1 JOINT FILING AGREEMENT Pursuant to and in accordance with the Securities Exchange Act of 1934, as amended (the “Exchange Act”), and the rules and regulations thereunder, each party hereto hereby agrees to the joint filing, on behalf of each of them, of any filing required by such party under Section 13 or Section 16 of the Exchange Act or any rule o

January 3, 2024 EX-99.2

VOTING TRUST AGREEMENT

EX-99.2 3 d698014dex992.htm EX-99.2 Exhibit 99.2 Execution Version VOTING TRUST AGREEMENT THIS VOTING TRUST AGREEMENT (this “Agreement”) is made and entered into effective for all purposes and in all respects as of December 20, 2023 by and among Lord Securities Corporation, as trustee (the “Trustee” or any successor thereto), DNT Asset Trust, a Delaware statutory trust, including its successors an

January 3, 2024 EX-99.3

TABLE OF CONTENTS

EX-99.3 4 d698014dex993.htm EX-99.3 Exhibit 99.3 Variable Rate Muni Term Preferred Shares Purchase Agreement BlackRock MuniVest Fund, Inc. as Issuer and DNT Asset Trust as Purchaser December 20, 2023 TABLE OF CONTENTS Page ARTICLE I DEFINITIONS 3 SECTION 1.01. Definitions 3 SECTION 1.02. Incorporation of Certain Definitions by Reference 8 ARTICLE II PURCHASES AND TRANSFERS, COSTS AND EXPENSES; ADD

December 7, 2023 SC 13G/A

MVF / BlackRock MuniVest Fund, Inc / Karpus Management, Inc. - KARPUS INVESTMENT MGT / BLACKROCK MUNIVEST FUND - SCHEDULE 13G/A(#1) Passive Investment

SC 13G/A 1 karpus-sch13g18764.htm KARPUS INVESTMENT MGT / BLACKROCK MUNIVEST FUND - SCHEDULE 13G/A(#1) UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 1) * BlackRock MuniVest Fund, Inc. (Name of Issuer) Common (Title of Class of Securities) 09253R105 (CUSIP Number) November 30, 2023 (Date of Event Which R

December 1, 2023 SC 13G/A

MVF / BlackRock MuniVest Fund, Inc / JPMorgan Chase Bank, N.A. - SC 13G/A Passive Investment

SC 13G/A 1 d558674dsc13ga.htm SC 13G/A UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 2)* BlackRock MuniVest Fund, Inc. (Name of Issuer) Variable Rate Muni Term Preferred Shares (Title of Class of Securities) 09253R808 (CUSIP Number) November 24, 2023 (Date of Event Which Requires Filing of this Statemen

August 4, 2023 CORRESP

BRUSSELS CHICAGO FRANKFURT HOUSTON LONDON LOS ANGELES MILAN NEW YORK PALO ALTO PARIS ROME SAN FRANCISCO WASHINGTON

787 Seventh Avenue New York, NY 10019-6099 Tel: 212 728 8000 Fax: 212 728 8111 August 4, 2023 Mr.

May 23, 2023 DEF 14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant ☒ Filed by a Party other than the Registrant ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ☒ Definitive

February 14, 2023 SC 13G

MVF / BlackRock MuniVest Fund Inc. / Karpus Management, Inc. - KARPUS INVESTMENT MGT / BLACKROCK MUNIVEST FUND - SCHEDULE 13G Passive Investment

SC 13G 1 karpus-sch13g18686f.htm KARPUS INVESTMENT MGT / BLACKROCK MUNIVEST FUND - SCHEDULE 13G UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No.     ) * BlackRock MuniVest Fund, Inc. (Name of Issuer) Common (Title of Class of Securities) 09253R105 (CUSIP Number) December 31, 2022 (Date of Event Which Requi

December 27, 2022 NPORT-EX

Schedule of Investments

BlackRock MuniVest Fund Schedule of Investments (unaudited) October 31, 2022 BlackRock MuniVest Fund, Inc.

July 27, 2022 NPORT-EX

Schedule of Investments

Schedule of Investments (unaudited) May 31, 2022 BlackRock MuniVest Fund, Inc. (MVF) (Percentages shown are based on Net Assets) Security Par (000) Value Municipal Bonds Alabama — 1.0% Black Belt Energy Gas District, Refunding RB, 4.00%, 06/01/51(a) $ 3,595 $ 3,788,052 Tuscaloosa County Industrial Development Authority, Refunding RB, Series A, 4.50%, 05/01/32(b) 1,555 1,562,966 5,351,018 Arizona —

June 3, 2022 DEF 14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934

DEF 14A 1 d316120ddef14a.htm CLASSIFIED FUND N&P Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant ☒ Filed by a Party other than the Registrant ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confidential, for Use of

January 27, 2022 NPORT-EX

Schedule of Investments

Schedule of Investments (unaudited) November 30, 2021 BlackRock MuniVest Fund, Inc.

November 2, 2021 EX-99.(99)(1)

Class III (Term expires 2022)

Exhibit 99.1 Class III (Term expires 2022) Richard E. Cavanagh Cynthia L. Egan Robert Fairbairn Stayce D. Harris Class I (Term expires 2023) Michael J. Castellano R. Glenn Hubbard W. Carl Kester* John M. Perlowski Lorenzo A. Flores Class II (Term expires 2024) Karen P. Robards Frank J. Fabozzi* Catherine A. Lynch J. Phillip Holloman * Holders of preferred shares are entitled to vote as a separate

November 2, 2021 EX-99.(3)(1)

BLACKROCK MUNIVEST FUND, INC. AMENDED AND RESTATED Effective as of November 2, 2021 TABLE OF CONTENTS Page ARTICLE I SHAREHOLDER MEETINGS Section 1. Chair 3 Section 2. Annual Meetings of Shareholders 3 Section 3. Special Meetings of Shareholders 3 Se

Exhibit 3.1 BLACKROCK MUNIVEST FUND, INC. AMENDED AND RESTATED BYLAWS Effective as of November 2, 2021 TABLE OF CONTENTS Page ARTICLE I SHAREHOLDER MEETINGS Section 1. Chair 3 Section 2. Annual Meetings of Shareholders 3 Section 3. Special Meetings of Shareholders 3 Section 4. Place of Meetings 4 Section 5. Notice of Meetings 4 Section 6. Nature of Business at Annual Meetings of Shareholders 5 Sec

November 2, 2021 8-K

Regulation FD Disclosure, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): November 2, 2021 (November 2, 2021) BLACKROCK MUNIVEST FUND, INC. (Exact Name of Registrant as Specified in Charter) MARYLAND 811-05611 22-2919170 (State or Other Jurisdiction of Inco

July 28, 2021 NPORT-EX

Schedule of Investments

Schedule of Investments (unaudited) May 31, 2021 BlackRock MuniVest Fund, Inc. (MVF) (Percentages shown are based on Net Assets) Security Par (000) Value Municipal Bonds Alabama — 1.1% Black Belt Energy Gas District, Refunding RB, 4.00%, 06/01/51(a) $ 3,595 $ 4,468,621 Selma Industrial Development Board, RB, Series A, 5.38%, 12/01/35 1,000 1,023,810 Tuscaloosa County Industrial Development Authori

July 20, 2021 DEFA14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. 1)

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. 1) Filed by the Registrant ? Filed by a Party other than the Registrant ? Check the appropriate box: ? Preliminary Proxy Statement ? Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e

June 8, 2021 DEF 14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant ? Filed by a Party other than the Registrant ? Check the appropriate box: ? Preliminary Proxy Statement ? Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e

January 27, 2021 NPORT-EX

Schedule of Investments

Schedule of Investments (unaudited) November 30, 2020 BlackRock MuniVest Fund, Inc.

January 11, 2021 SC 13G/A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 1 )* BlackRock MuniVest Fund, Inc. (Name of Issuer) Variable Rate Muni Term Preferred Shares (Title of Class

SC 13G/A UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 1 )* BlackRock MuniVest Fund, Inc. (Name of Issuer) Variable Rate Muni Term Preferred Shares (Title of Class of Securities) 09253R808 (CUSIP Number) December 14, 2020 (Date of Event Which Requires Filing of this Statement) Check the appropriate box

August 19, 2020 CORRESP

August 19, 2020

SIDLEY AUSTIN LLP 787 SEVENTH AVENUE NEW YORK, NY 10019 +1 212 839 5300 +1 212 839 5599 FAX AMERICA • ASIA PACIFIC • EUROPE August 19, 2020 VIA EDGAR U.

July 29, 2020 NPORT-EX

-

EX-MVF Schedule of Investments (unaudited) May 31, 2020 BlackRock MuniVest Fund, Inc.

June 9, 2020 DEF 14A

- NON CLASSIFIED FUND N&P

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant ☒ Filed by a Party other than the Registrant ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e

January 28, 2020 NPORT-EX

Schedule of Investments

EX-MVF Schedule of Investments (unaudited) November 30, 2019 BlackRock MuniVest Fund, Inc.

July 29, 2019 NPORT-EX

MVF / BlackRock MuniVest Fund, Inc. NPORT-EX - -

EX-MVF Schedule of Investments (unaudited) May 31, 2019 BlackRock MuniVest Fund, Inc.

June 11, 2019 DEF 14A

MHE / BlackRock Massachusetts Tax-Exempt Trust DEF 14A - - NON CLASSIFIED FUND N&P

Non Classified Fund N&P Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.

January 22, 2019 EX-99.CERT

CERTIFICATION PURSUANT TO RULE

Certification Pursuant to Section 302 EX-99. CERT CERTIFICATION PURSUANT TO RULE 30a-2(a) UNDER THE 1940 ACT AND SECTION 302 OF THE SARBANES-OXLEY ACT OF 2002 I, John M. Perlowski, Chief Executive Officer (principal executive officer) of BlackRock MuniVest Fund, Inc., certify that: 1. I have reviewed this report on Form N-Q of BlackRock MuniVest Fund, Inc.; 2. Based on my knowledge, this report do

January 22, 2019 N-Q

MVF / BlackRock MuniVest Fund, Inc. BLACKROCK MUNIVEST FUND, INC. (Quarterly Schedule of Portfolio Holdings)

N-Q 1 d647159dnq.htm BLACKROCK MUNIVEST FUND, INC. UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM N-Q QUARTERLY SCHEDULE OF PORTFOLIO HOLDINGS OF REGISTERED MANAGEMENT INVESTMENT COMPANY Investment Company Act file number: 811-05611 Name of Fund: BlackRock MuniVest Fund, Inc. (MVF) Fund Address: 100 Bellevue Parkway, Wilmington, DE 19809 Name and address of agent for

August 8, 2018 25

MVF / BlackRock MuniVest Fund, Inc. MVF FORM 25

FORM 25 Securities and Exchange Commission Washington, D.C. 20549 NOTIFICATION OF REMOVAL FROM LISTING AND/OR REGISTRATION UNDER SECTION 12(b) OF THE SECURITIES EXCHANGE ACT OF 1934. Commission File Number 001-10048 Issuer: BlackRock MuniVest Fund, Inc. Exchange: NYSE American LLC (Exact name of Issuer as specified in its charter, and name of Exchange where security is listed and/or registered) 10

July 23, 2018 N-Q

MVF / BlackRock MuniVest Fund, Inc. BLACKROCK MUNIVEST FUND, INC. (Quarterly Schedule of Portfolio Holdings)

BlackRock MuniVest Fund, Inc. UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM N-Q QUARTERLY SCHEDULE OF PORTFOLIO HOLDINGS OF REGISTERED MANAGEMENT INVESTMENT COMPANY Investment Company Act file number: 811-05611 Name of Fund: BlackRock MuniVest Fund, Inc. (MVF) Fund Address: 100 Bellevue Parkway, Wilmington, DE 19809 Name and address of agent for service: John M. Perl

July 23, 2018 EX-99.CERT

CERTIFICATION PURSUANT TO RULE

Certification Pursuant to Section 302 EX-99. CERT CERTIFICATION PURSUANT TO RULE 30a-2(a) UNDER THE 1940 ACT AND SECTION 302 OF THE SARBANES-OXLEY ACT OF 2002 I, John M. Perlowski, Chief Executive Officer (principal executive officer) of BlackRock MuniVest Fund, Inc., certify that: 1. I have reviewed this report on Form N-Q of BlackRock MuniVest Fund, Inc.; 2. Based on my knowledge, this report do

June 6, 2018 DEF 14A

MHE / BlackRock Massachusetts Tax-Exempt Trust NON CLASSIFIED FUND N&P

Non Classified Fund N&P Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.

May 25, 2018 8-A12B

MVF / BlackRock MuniVest Fund, Inc. BLACKROCK MUNIVEST FUND, INC.

BLACKROCK MUNIVEST FUND, INC. SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-A FOR REGISTRATION OF CERTAIN CLASSES OF SECURITIES PURSUANT TO SECTION 12(b) OR 12(g) OF THE SECURITIES EXCHANGE ACT OF 1934 BLACKROCK MUNIVEST FUND, INC. (Exact Name of Registrant as Specified in its Charter) Maryland 22-2919170 (State of Incorporation or Organization) (I.R.S. Employer Identification N

May 25, 2018 CERT

MVF / BlackRock MuniVest Fund, Inc. NYSE CERTIFICATION - BLACKROCK MUNIVEST FUND, INC.

begin 644 MVF.8A.05.25.18.pdf M)5!$1BTQ+C,*)79E7!E+U!A9V4O365D:6%";W@@6S @," V,3(@-SDR70HO4F]T M871E(# O4&%R96YT(#,@,"!2"B]297-O=7)C97,\/"]0)RU65MO%3<0 M5KB$Y"0Z)8&46T@7*+!+N\;WRVO5JE+5EZ)(?2!] I6J(E2AUJV%Y[9G-\ M"!5*\]!A;8]GOOGFLGO..LZ$['C\*\*;T\7+5ZY[]^B;"$[:X+O3A=&<)[E M]Y,LG %9%N&OQ>=A\59EQ;CGY:J$RP$RT/>D2&[L=%K!WUDY>CK3EV3C MC$RZ)^&3NM.>I%N(JARW*M@"VN-F4?:IO.]LH72PG956@!4J.)?E]Y,L/(]R MVI/E;$

February 16, 2018 EX-24

POWER OF ATTORNEY

POWER OF ATTORNEY KNOW ALL PERSONS BY THESE PRESENTS that the undersigned hereby constitutes, designates and appoints Janey Ahn, Benjamin Archibald, Aaron Wasserman, Eugene Drozdetski, Jessica Herlihy, Gladys Chang, Kiersten Zaza, Charles Park and Tricia Meyer of BlackRock, Inc.

January 22, 2018 N-Q

Blackrock Munivest Fund, Inc. - BLACKROCK MUNIVEST FUND, INC.

BLACKROCK MUNIVEST FUND, INC. UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM N-Q QUARTERLY SCHEDULE OF PORTFOLIO HOLDINGS OF REGISTERED MANAGEMENT INVESTMENT COMPANY Investment Company Act file number: 811-05611 Name of Fund: BlackRock MuniVest Fund, Inc. (MVF) Fund Address: 100 Bellevue Parkway, Wilmington, DE 19809 Name and address of agent for service: John M. Perl

January 22, 2018 EX-99.CERT

CERTIFICATION PURSUANT TO RULE

Certification Pursuant to Section 302 EX-99. CERT CERTIFICATION PURSUANT TO RULE 30a-2(a) UNDER THE 1940 ACT AND SECTION 302 OF THE SARBANES-OXLEY ACT OF 2002 I, John M. Perlowski, Chief Executive Officer (principal executive officer) of BlackRock MuniVest Fund, Inc., certify that: 1. I have reviewed this report on Form N-Q of BlackRock MuniVest Fund, Inc.; 2. Based on my knowledge, this report do

July 24, 2017 EX-99.CERT

CERTIFICATION PURSUANT TO RULE

Certification Pursuant to Section 302 EX-99. CERT CERTIFICATION PURSUANT TO RULE 30a-2(a) UNDER THE 1940 ACT AND SECTION 302 OF THE SARBANES-OXLEY ACT OF 2002 I, John M. Perlowski, Chief Executive Officer (principal executive officer) of BlackRock MuniVest Fund, Inc., certify that: 1. I have reviewed this report on Form N-Q of BlackRock MuniVest Fund, Inc.; 2. Based on my knowledge, this report do

July 24, 2017 N-Q

Blackrock Munivest Fund, Inc. - BLACKROCK MUNIVEST FUND, INC.

BLACKROCK MUNIVEST FUND, INC. UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM N-Q QUARTERLY SCHEDULE OF PORTFOLIO HOLDINGS OF REGISTERED MANAGEMENT INVESTMENT COMPANY Investment Company Act file number: 811-05611 Name of Fund: BlackRock MuniVest Fund, Inc. (MVF) Fund Address: 100 Bellevue Parkway, Wilmington, DE 19809 Name and address of agent for service: John M. Perl

July 21, 2017 CORRESP

BlackRock Core Bond Trust ESP

Skadden, Arps, Slate, Meagher & Flom llp 500 BOYLSTON STREET BOSTON, MASSACHUSETTS 02116 TEL: (617) 573-4800 FAX: (617) 573-4822 www.

June 7, 2017 DEF 14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant ☒ Filed by a Party other than the Registrant ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e

April 25, 2017 EX-99.77O RULE 10F-3

EX-99.77O RULE 10F-3

Rule 10f-3 Transaction Form [LOGO OF BLACKROCK] Acquisition of Securities During Affiliated Underwritings PARTICIPATING FUNDS .

April 25, 2017 EX-99.77O RULE 10F-3

EX-99.77O RULE 10F-3

[LOGO OF BLACKROCK] Rule 10f-3 Transaction Form Acquisition of Securities During Affiliated Underwritings PARTICIPATING FUNDS .

April 25, 2017 EX-99.77O RULE 10F-3

EX-99.77O RULE 10F-3

[LOGO OF BLACKROCK] Rule 10f-3 Transaction Form Acquisition of Securities During Affiliated Underwritings PARTICIPATING FUNDS .

April 25, 2017 EX-99.77Q1 OTHR EXHB

EX-99.77Q1 OTHR EXHB

BlackRock MuniVest Fund, Inc. File No. 811-05611 Sub-Item No. 77Q1(e) (Investment Advisory Contracts) - Attachment Attached please find an exhibit to Sub-Item 77Q1(e) of Form N-SAR, a copy of the Closed-End Fund Master Advisory Fee Waiver Agreement between BlackRock MuniVest Fund, Inc. and BlackRock Advisors, LLC. Exhibit 77Q1(e) CLOSED-END FUND MASTER ADVISORY FEE WAIVER AGREEMENT - This MASTER A

January 24, 2017 EX-99.CERT

CERTIFICATION PURSUANT TO RULE

Certification Pursuant to Section 302 EX-99.CERT CERTIFICATION PURSUANT TO RULE 30a-2(a) UNDER THE 1940 ACT AND SECTION 302 OF THE SARBANES-OXLEY ACT OF 2002 I, John M. Perlowski, Chief Executive Officer (principal executive officer) of BlackRock MuniVest Fund, Inc., certify that: 1. I have reviewed this report on Form N-Q of BlackRock MuniVest Fund, Inc.; 2. Based on my knowledge, this report doe

January 24, 2017 N-Q

BlackRock MuniVest Fund BLACKROCK MUNIVEST FUND, INC. (Quarterly Schedule of Portfolio Holdings)

BLACKROCK MUNIVEST FUND, INC. UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM N-Q QUARTERLY SCHEDULE OF PORTFOLIO HOLDINGS OF REGISTERED MANAGEMENT INVESTMENT COMPANY Investment Company Act file number: 811-05611 Name of Fund: BlackRock MuniVest Fund, Inc. (MVF) Fund Address: 100 Bellevue Parkway, Wilmington, DE 19809 Name and address of agent for service: John M. Perl

July 26, 2016 N-Q

BlackRock MuniVest Fund BLACKROCK MUNIVEST FUND, INC (Quarterly Schedule of Portfolio Holdings)

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM N-Q QUARTERLY SCHEDULE OF PORTFOLIO HOLDINGS OF REGISTERED MANAGEMENT INVESTMENT COMPANY Investment Company Act file number: 811-05611 Name of Fund: BlackRock MuniVest Fund, Inc. (MVF) Fund Address: 100 Bellevue Parkway, Wilmington, DE 19809 Name and address of agent for service: John M. Perlowski, Chief Executive Officer

July 26, 2016 EX-99.CERT

EX-99. CERT

Certification Pursuant to Section 302 EX-99. CERT CERTIFICATION PURSUANT TO RULE 30a-2(a) UNDER THE 1940 ACT AND SECTION 302 OF THE SARBANES-OXLEY ACT OF 2002 I, John M. Perlowski, Chief Executive Officer (principal executive officer) of BlackRock MuniVest Fund, Inc., certify that: 1. I have reviewed this report on Form N-Q of BlackRock MuniVest Fund, Inc.; 2. Based on my knowledge, this report do

June 9, 2016 DEF 14A

BlackRock MuniVest Fund BLACKROCK PROXY

BLACKROCK PROXY Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.

April 29, 2016 EX-99.77O RULE 10F-3

EX-99.77O RULE 10F-3

PARTICIPATING FUNDS .. U.S. Registered Funds (Name of Fund, Aladdin Ticker): BlackRock Pennsylvania Municipal Bond Fund of BlackRock Multi-State Municip (BR-PAMUNI) BlackRock Municipal Income Quality Trust (BYM) BlackRock MuniYield Pennsylvania Quality Fund, Inc. (MPA) BlackRock MuniYield Quality Fund II, Inc. (MQT) BlackRock MuniVest Fund, Inc. (MVF) THE OFFERING KEY CHARACTERISTICS (COMPLETE ALL

April 29, 2016 EX-99.77O RULE 10F-3

EX-99.77O RULE 10F-3

PARTICIPATING FUNDS .. U.S. Registered Funds (Name of Fund, Aladdin Ticker): ISHARES NATIONAL AMT-FREE MUNI BOND ETF (ISHMUNI) BLACKROCK STRATEGIC MUNICIPAL OPPORTUNITIES FUND OF BLACKROCK SERIES TRUST (BR-SMO-MAC) BlackRock Municipal Income Investment Quality Trust (BAF) BlackRock National Municipal Fund of Blackrock Municipal Bond Fund, Inc. (BR-NATL) BlackRock Long-Term Municipal Advantage Trus

April 1, 2016 EX-24

POWER OF ATTORNEY

Unassociated Document POWER OF ATTORNEY KNOW ALL PERSONS BY THESE PRESENTS that the undersigned hereby constitutes, designates and appoints Janey Ahn, Benjamin Archibald, Eugene Drozdetski, Laura Ingle, Gladys Chang, Charles Park, Tricia Meyer and Howard Surloff of BlackRock, Inc.

March 2, 2016 EX-24

POWER OF ATTORNEY

Unassociated Document POWER OF ATTORNEY KNOW ALL PERSONS BY THESE PRESENTS that the undersigned hereby constitutes, designates and appoints Janey Ahn, Benjamin Archibald, Eugene Drozdetski, Laura Ingle, Gladys Chang, Charles Park, Tricia Meyer and Howard Surloff of BlackRock, Inc.

January 22, 2016 N-Q

BlackRock MuniVest Fund BLACKROCK MUNIVEST FUND, INC. (Quarterly Schedule of Portfolio Holdings)

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM N-Q QUARTERLY SCHEDULE OF PORTFOLIO HOLDINGS OF REGISTERED MANAGEMENT INVESTMENT COMPANY Investment Company Act file number: 811-05611 Name of Fund: BlackRock MuniVest Fund, Inc. (MVF) Fund Address: 100 Bellevue Parkway, Wilmington, DE 19809 Name and address of agent for service: John M. Perlowski, Chief Executive Officer

January 22, 2016 EX-99.CERT

EX-99. CERT

EX-99.CERT 2 d100104dex99cert.htm CERTIFICATION PURSUANT TO SECTION 302 EX-99. CERT CERTIFICATION PURSUANT TO RULE 30a-2(a) UNDER THE 1940 ACT AND SECTION 302 OF THE SARBANES-OXLEY ACT OF 2002 I, John M. Perlowski, Chief Executive Officer (principal executive officer) of BlackRock MuniVest Fund, Inc., certify that: 1. I have reviewed this report on Form N-Q of BlackRock MuniVest Fund, Inc.; 2. Bas

October 28, 2015 EX-99.77I NEW SECUR

BlackRock MuniVest Fund, Inc. File No. 811-05611 Item No. 77I (Terms of New or Amended Securities) -- Attachment

Unassociated Document BlackRock MuniVest Fund, Inc. File No. 811-05611 Item No. 77I (Terms of New or Amended Securities) - Attachment A copy of an amendment to the Articles Supplementary Establishing and Fixing the Rights and Preferences of Variable Rate Muni Term Preferred Shares is attached under Sub-Item 77Q1(a). 666861.02-BOSSR01A - MSW

October 28, 2015 EX-99.77Q1 OTHR EXHB

BlackRock MuniVest Fund, Inc. File No. 811-05611 Item No. 77Q1(d) (Copies of All Constituent Instruments Referred to in Sub-Item 77I) -- Attachment

Unassociated Document BlackRock MuniVest Fund, Inc. File No. 811-05611 Item No. 77Q1(d) (Copies of All Constituent Instruments Referred to in Sub-Item 77I) - Attachment A copy of an amendment to the Articles Supplementary Establishing and Fixing the Rights and Preferences of Variable Rate Muni Term Preferred Shares is attached under Sub-Item 77Q1(a).

October 28, 2015 EX-99.77B ACCT LTTR

REPORT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

Unassociated Document REPORT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM To the Shareholders and Board of Trustees of BlackRock Municipal Bond Investment Trust, BlackRock Municipal Bond Trust, BlackRock Municipal Income Investment Quality Trust, BlackRock Municipal Income Quality Trust, BlackRock Municipal Income Trust II, and BlackRock MuniHoldings Investment Quality Fund, and to the Shareholders and Board of Directors of BlackRock MuniVest Fund, Inc.

October 28, 2015 EX-99.77Q1 OTHR EXHB

BlackRock MuniVest Fund, Inc. File No. 811-05611 Item No. 77Q1(a) (Copies of Material Amendments to Registrant’s Charter or By-laws) -- Attachment

Unassociated Document BlackRock MuniVest Fund, Inc. File No. 811-05611 Item No. 77Q1(a) (Copies of Material Amendments to Registrant?s Charter or By-laws) - Attachment Attached please find as an exhibit under Sub-Item 77Q1(a) of Form N-SAR, a copy of BlackRock MuniVest Fund Inc.?s (the ?Fund?) Articles of Amendment Amending the Articles Supplementary Establishing and Fixing the Rights and Preferen

July 23, 2015 EX-99.CERT

EX-99. CERT

Certification Pursuant to Section 302 EX-99. CERT CERTIFICATION PURSUANT TO RULE 30a-2(a) UNDER THE 1940 ACT AND SECTION 302 OF THE SARBANES-OXLEY ACT OF 2002 I, John M. Perlowski, Chief Executive Officer (principal executive officer) of BlackRock MuniVest Fund, Inc., certify that: 1. I have reviewed this report on Form N-Q of BlackRock MuniVest Fund, Inc.; 2. Based on my knowledge, this report do

July 23, 2015 N-Q

BlackRock MuniVest Fund BLACKROCK MUNIVEST FUND, INC. (Quarterly Schedule of Portfolio Holdings)

BLACKROCK MUNIVEST FUND, INC. UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM N-Q QUARTERLY SCHEDULE OF PORTFOLIO HOLDINGS OF REGISTERED MANAGEMENT INVESTMENT COMPANY Investment Company Act file number: 811-05611 Name of Fund: BlackRock MuniVest Fund, Inc. (MVF) Fund Address: 100 Bellevue Parkway, Wilmington, DE 19809 Name and address of agent for service: John M. Perl

June 12, 2015 DEF 14A

BlackRock Muni New York Intermediate Duration Fund BLACKROCK PROXY NON-CLASSIFIED

BLACKROCK PROXY NON-CLASSIFIED Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.

April 24, 2015 EX-99.77O RULE 10F-3

Participating Funds

Unassociated Document Participating Funds n U.S. Registered Funds (Name of Fund, Aladdin Ticker): BlackRock Municipal 2020 Term Trust (BKK) BlackRock Municipal 2018 Term Trust (BPK) BlackRock New Jersey Municipal Bond Fund of BlackRock Multi-State Municipal (BR-NJMUNI) BlackRock Municipal Income Quality Trust (BYM) BlackRock MuniEnhanced Fund, Inc. (MEN) BlackRock MuniYield New Jersey Quality Fund

January 22, 2015 EX-99.CERT

EX-99. CERT

Certification Pursuant to Section 302 EX-99. CERT CERTIFICATION PURSUANT TO RULE 30a-2(a) UNDER THE 1940 ACT AND SECTION 302 OF THE SARBANES-OXLEY ACT OF 2002 I, John M. Perlowski, Chief Executive Officer (principal executive officer) of BlackRock MuniVest Fund, Inc., certify that: 1. I have reviewed this report on Form N-Q of BlackRock MuniVest Fund, Inc.; 2. Based on my knowledge, this report do

January 22, 2015 N-Q

Blackrock Munivest Fund, Inc. - BLACKROCK MUNIVEST FUND, INC.

BLACKROCK MUNIVEST FUND, INC. UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM N-Q QUARTERLY SCHEDULE OF PORTFOLIO HOLDINGS OF REGISTERED MANAGEMENT INVESTMENT COMPANY Investment Company Act file number: 811-05611 Name of Fund: BlackRock MuniVest Fund, Inc. (MVF) Fund Address: 100 Bellevue Parkway, Wilmington, DE 19809 Name and address of agent for service: John M. Perl

January 16, 2015 CORRESP

MYD / BlackRock Muniyield Fund, Inc. CORRESP - -

Skadden, Arps, Slate, Meagher & Flom llp 500 BOYLSTON STREET BOSTON, MASSACHUSETTS 02116 TEL: (617) 573-4800 FAX: (617) 573-4822 www.

October 29, 2014 EX-99.77Q1 OTHR EXHB

BlackRock MuniVest Fund, Inc. (the “Registrant”)

BlackRock MuniVest Fund, Inc. (the “Registrant”) 77Q1(d): Copies of all constituent instruments defining the rights of the holders of any new class of securities and of any amendments to constituent instruments referred to in answer to sub-item 77I. A copy of an amendment to the Articles Supplementary Establishing and Fixing the Rights and Preferences of the Fund’s Series W-7 Variable Rate Muni Te

October 29, 2014 EX-99.77I NEW SECUR

BlackRock MuniVest Fund, Inc. (the “Registrant”)

BlackRock MuniVest Fund, Inc. (the “Registrant”) 77(I) Terms of new or amended securities A copy of an amendment to the Articles Supplementary Establishing and Fixing the Rights and Preferences of the Fund’s Series W-7 Variable Rate Muni Term Preferred Shares is attached under sub-item 77Q1(a).

October 29, 2014 EX-99.77B ACCT LTTR

REPORT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

REPORT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM To the Shareholders and Board of Trustees of BlackRock Municipal Bond Investment Trust, BlackRock Municipal Bond Trust, BlackRock Municipal Income Investment Quality Trust, BlackRock Municipal Income Quality Trust, BlackRock Municipal Income Trust II, and BlackRock MuniHoldings Investment Quality Fund, and to the Shareholders and Board of Directors of BlackRock MuniVest Fund, Inc.

October 29, 2014 EX-99.77Q1 OTHR EXHB

BLACKROCK MUNIVEST FUND, INC. ARTICLES OF AMENDMENT AMENDING THE ARTICLES SUPPLEMENTARY ESTABLISHING AND FIXING THE RIGHTS AND PREFERENCES OF VARIABLE RATE MUNI TERM PREFERRED SHARES

BlackRock MuniVest Fund, Inc. (the “Registrant”) 77Q1(a): Copies of material amendments to Registrant’s charter or by-laws Attached please find as an exhibit under Sub-Item 77Q1(a) of Form N-SAR, a copy of the Registrant's amendment to the Articles Supplementary Establishing and Fixing the Rights and Preferences of the Fund’s Series W-7 Variable Rate Muni Term Preferred Shares. The amendment was f

July 23, 2014 EX-99.CERT

EX-99. CERT

CERTIFICATION PURSUANT TO SECTION 302 EX-99. CERT CERTIFICATION PURSUANT TO RULE 30a-2(a) UNDER THE 1940 ACT AND SECTION 302 OF THE SARBANES-OXLEY ACT OF 2002 I, John M. Perlowski, Chief Executive Officer (principal executive officer) of BlackRock MuniVest Fund, Inc., certify that: 1. I have reviewed this report on Form N-Q of BlackRock MuniVest Fund, Inc.; 2. Based on my knowledge, this report do

July 23, 2014 N-Q

MVF / BlackRock MuniVest Fund, Inc. N-Q - Quarterly Schedule of Portfolio Holdings - BLACKROCK MUNIVEST FUND, INC.

BLACKROCK MUNIVEST FUND, INC. UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM N-Q QUARTERLY SCHEDULE OF PORTFOLIO HOLDINGS OF REGISTERED MANAGEMENT INVESTMENT COMPANY Investment Company Act file number 811-05611 Name of Fund: BlackRock MuniVest Fund, Inc. (MVF) Fund Address: 100 Bellevue Parkway, Wilmington, DE 19809 Name and address of agent for service: John M. Perlo

June 13, 2014 DEF 14A

- BLACKROCK PROXY NON-CLASSIFIED BOARD

DEF 14A 1 d737757ddef14a.htm BLACKROCK PROXY NON-CLASSIFIED BOARD UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant x Filed by a Party other than the Registrant ¨ Check the appropriate box: ¨ Preliminary Proxy Statement ¨ Confidential, for Use of t

June 13, 2014 DEFA14A

- BLACKROCK PROXY NON-CLASSIFIED BOARD

DEFA14A 1 d742513ddefa14a.htm BLACKROCK PROXY NON-CLASSIFIED BOARD UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant x Filed by a Party other than the Registrant ¨ Check the appropriate box: ¨ Preliminary Proxy Statement ¨ Confidential, for Use of

February 13, 2014 EX-99.1

EX-99.1

Exhibit 99.1 EXHIBIT 99.1 - JOINT FILING AGREEMENT The undersigned hereby agree that they are filing this statement jointly pursuant to Rule 13d-1(k)(1). Each of them is responsible for the timely filing of such Schedule 13G and any amendments thereto, and for the completeness and accuracy of the information concerning such person contained therein; but none of them is responsible for the complete

February 13, 2014 SC 13G/A

MVF / BlackRock MuniVest Fund, Inc. / FIRST TRUST PORTFOLIOS LP - AMENDED SCHEDULE 13G Passive Investment

UNITED STATES* SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 1)* BlackRock MuniVest Fund, Inc. - (Name of Issuer) Common - (Title of Class of Securities) 09253R105 - (CUSIP Number) December 31, 2013 - (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate the rule pursuant to w

January 27, 2014 EX-99.CERT

EX-99. CERT

CERTIFICATION PURSUANT TO SECTION 302 EX-99. CERT CERTIFICATION PURSUANT TO RULE 30a-2(a) UNDER THE 1940 ACT AND SECTION 302 OF THE SARBANES-OXLEY ACT OF 2002 I, John M. Perlowski, Chief Executive Officer (principal executive officer) of BlackRock MuniVest Fund, Inc., certify that: 1. I have reviewed this report on Form N-Q of BlackRock MuniVest Fund, Inc.; 2. Based on my knowledge, this report do

January 27, 2014 N-Q

Quarterly Schedule of Portfolio Holdings - BLACKROCK MUNIVEST FUND, INC.

BLACKROCK MUNIVEST FUND, INC. UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM N-Q QUARTERLY SCHEDULE OF PORTFOLIO HOLDINGS OF REGISTERED MANAGEMENT INVESTMENT COMPANY Investment Company Act file number 811-05611 Name of Fund: BlackRock MuniVest Fund, Inc. (MVF) Fund Address: 100 Bellevue Parkway, Wilmington, DE 19809 Name and address of agent for service: John M. Perlo

October 28, 2013 EX-99.77D POLICIES

BlackRock MuniVest Fund, Inc. (“MVF”)

BlackRock MuniVest Fund, Inc. (“MVF”) 77D Policies with respect to security investments On June 7, 2013, the Board of Directors of MVF approved an amendment to MVF's non-fundamental investment policies, which permitted MVF to invest up to 20% of its total assets in securities rated below investment grade at time of purchase, or deemed equivalent. Effective July 1, 2013, MVF no longer restricts its

October 28, 2013 EX-99.77B ACCT LTTR

REPORT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

REPORT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM To the Shareholders and Board of Trustees of BlackRock Municipal Bond Investment Trust, BlackRock Municipal Bond Trust, BlackRock Municipal Income Investment Quality Trust, BlackRock Municipal Income Quality Trust, BlackRock Municipal Income Trust II, and BlackRock MuniHoldings Investment Quality Fund, and to the Shareholders and Board of Directors of BlackRock MuniVest Fund, Inc.

October 28, 2013 EX-99.77O RULE 10F-3

Participating Funds

Participating Funds n U.S. Registered Funds (Name of Fund, Aladdin Ticker): BlackRock Municipal Income Quality Trust (BYM) BlackRock MuniYield Quality Fund, Inc. (MQY) BlackRock MuniYield Quality Fund III, Inc. (MYI) BlackRock MuniEnhanced Fund, Inc. (MEN) BlackRock Municipal Bond Trust (BBK) BlackRock Investment Quality Municipal Trust (BKN) BlackRock MuniYield Quality Fund, Inc. (MQY) BlackRock

October 28, 2013 EX-99.77O RULE 10F-3

Participating Funds

Participating Funds n U.S. Registered Funds (Name of Fund, Aladdin Ticker): BlackRock Municipal Target Term Trust (BTT2) BlackRock Muni Intermediate Duration Fund, Inc. (MUI) BlackRock New Jersey Municipal Bond Fund of BlackRock Multi-State Municipal (BR-NJMUNI) BlackRock MuniYield Quality Fund II, Inc. (MQT) BlackRock MuniEnhanced Fund, Inc. (MEN) BlackRock MuniHoldings New Jersey Quality Fund, I

October 28, 2013 EX-99.77Q1 OTHR EXHB

BlackRock MuniVest Fund, Inc. (“MVF”)

BlackRock MuniVest Fund, Inc. (“MVF”) 77Q1(b) Copies of any proposal Please refer to Sub-item 77D for information regarding this Sub-item.

July 25, 2013 N-Q

Quarterly Schedule of Portfolio Holdings - BLACKROCK MUNIVEST FUND, INC.

BLACKROCK MUNIVEST FUND, INC. UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM N-Q QUARTERLY SCHEDULE OF PORTFOLIO HOLDINGS OF REGISTERED MANAGEMENT INVESTMENT COMPANY Investment Company Act file number 811-05611 Name of Fund: BlackRock MuniVest Fund, Inc. (MVF) Fund Address: 100 Bellevue Parkway, Wilmington, DE 19809 Name and address of agent for service: John M. Perlo

July 25, 2013 EX-99.CERT

EX-99. CERT

CERTIFICATION PURSUANT TO SECTION 302 EX-99. CERT CERTIFICATION PURSUANT TO RULE 30a-2(a) UNDER THE 1940 ACT AND SECTION 302 OF THE SARBANES-OXLEY ACT OF 2002 I, John M. Perlowski, Chief Executive Officer (principal executive officer) of BlackRock MuniVest Fund, Inc., certify that: 1. I have reviewed this report on Form N-Q of BlackRock MuniVest Fund, Inc.; 2. Based on my knowledge, this report do

June 13, 2013 DEF 14A

- BLACKROCK PROXY NON-CLASSIFIED BOARD

BLACKROCK PROXY NON-CLASSIFIED BOARD Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.

January 29, 2013 CORRESP

-

787 Seventh Avenue New York, NY 10019-6099 Tel: 212 728 8000 Fax: 212 728 8111 January 29, 2013 Via EDGAR Laura Hatch Division of Investment Management Securities and Exchange Commission 100 F Street, NE Washington, D.

January 24, 2013 EX-99.CERT

EX-99. CERT

Certification Pursuant to Section 302 EX-99. CERT CERTIFICATION PURSUANT TO RULE 30a-2(a) UNDER THE 1940 ACT AND SECTION 302 OF THE SARBANES-OXLEY ACT OF 2002 I, John M. Perlowski, Chief Executive Officer (principal executive officer) of BlackRock MuniVest Fund, Inc., certify that: 1. I have reviewed this report on Form N-Q of BlackRock MuniVest Fund, Inc.; 2. Based on my knowledge, this report do

January 24, 2013 N-Q

Quarterly Schedule of Portfolio Holdings - BLACKROCK MUNIVEST

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM N-Q QUARTERLY SCHEDULE OF PORTFOLIO HOLDINGS OF REGISTERED MANAGEMENT INVESTMENT COMPANY Investment Company Act file number 811-05611 Name of Fund: BlackRock MuniVest Fund, Inc. (MVF) Fund Address: 100 Bellevue Parkway, Wilmington, DE 19809 Name and address of agent for service: John M. Perlowski, Chief Executive Officer,

January 7, 2013 EX-99.1

EX-99.1

Exhibit 99.1 EXHIBIT 99.1 - JOINT FILING AGREEMENT The undersigned hereby agree that they are filing this statement jointly pursuant to Rule 13d-1(k)(1). Each of them is responsible for the timely filing of such Schedule 13G and any amendments thereto, and for the completeness and accuracy of the information concerning such person contained therein; but none of them is responsible for the complete

January 7, 2013 SC 13G

MVF / BlackRock MuniVest Fund, Inc. / FIRST TRUST PORTFOLIOS LP - SCHEDULE 13G Passive Investment

UNITED STATES* SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. )* BlackRock MuniVest Fund, Inc. - (Name of Issuer) Common - (Title of Class of Securities) 09253R105 - (CUSIP Number) December 31, 2012 - (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate the rule pursuant to wh

December 7, 2012 CORRESP

-

787 Seventh Avenue New York, NY 10019-6099 Tel: 212 728 8000 Fax: 212 728 8111 December 7, 2012 Via EDGAR Laura Hatch Division of Investment Management Securities and Exchange Commission 100 F Street, NE Washington, D.

October 29, 2012 EX-99.77B ACCT LTTR

REPORT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

REPORT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM To the Shareholders and Board of Directors of BlackRock MuniVest Fund, Inc.

July 26, 2012 EX-99.CERT

EX-99. CERT

EX-99. CERT CERTIFICATION PURSUANT TO RULE 30a-2(a) UNDER THE 1940 ACT AND SECTION 302 OF THE SARBANES-OXLEY ACT OF 2002 I, John M. Perlowski, Chief Executive Officer (principal executive officer) of BlackRock MuniVest Fund, Inc., certify that: 1. I have reviewed this report on Form N-Q of BlackRock MuniVest Fund, Inc.; 2. Based on my knowledge, this report does not contain any untrue statement of

July 26, 2012 N-Q

Quarterly Schedule of Portfolio Holdings -

N-Q 1 i00330mvf-nq.htm UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM N-Q QUARTERLY SCHEDULE OF PORTFOLIO HOLDINGS OF REGISTERED MANAGEMENT INVESTMENT COMPANY Investment Company Act file number 811-05611 Name of Fund: BlackRock MuniVest Fund, Inc. (MVF) Fund Address: 100 Bellevue Parkway, Wilmington, DE 19809 Name and address of agent for service: John M. Perlowski, C

June 12, 2012 DEFR14A

- NON CLASSIFIED FUND NOTICE AND PROXY

NON CLASSIFIED FUND NOTICE AND PROXY Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.

June 11, 2012 DEF 14A

- NON CLASSIFIED FUND NOTICE AND PROXY

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant x Filed by a Party other than the Registrant ¨ Check the appropriate box: ¨ Preliminary Proxy Statement ¨ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e

April 24, 2012 EX-99.77Q1 OTHR EXHB

[Printer Note: Insert Rider Here]

BlackRock MuniVest Fund, Inc. (the “Registrant”) 77Q1(a): Copies of material amendments to Registrant’s charter or by-laws Attached please find as an exhibit under Sub-Item 77Q1(a) of Form N-SAR, a copy of the Registrant's Articles Supplementary Establishing and Fixing the Rights and Preferences of the Fund’s Series W-7 Variable Rate Muni Term Preferred Shares filed with the State Department of As

April 24, 2012 EX-99.77Q1 OTHR EXHB

BLACKROCK MUNIVEST FUND, INC. ARTICLES SUPPLEMENTARY ESTABLISHING AND FIXING THE RIGHTS AND PREFERENCES OF VARIABLE RATE MUNI TERM PREFERRED SHARES Table of Contents

BLACKROCK MUNIVEST FUND, INC. ARTICLES SUPPLEMENTARY ESTABLISHING AND FIXING THE RIGHTS AND PREFERENCES OF VARIABLE RATE MUNI TERM PREFERRED SHARES Table of Contents Page DESIGNATION[INSERT PAGE NUMBER] DEFINITIONS[INSERT PAGE NUMBER] TERMS[INSERT PAGE NUMBER] 1. Number of Authorized Shares [INSERT PAGE NUMBER] (a) Authorized Shares [INSERT PAGE NUMBER] (b) Capitalization [INSERT PAGE NUMBER] 2. D

April 24, 2012 EX-99.77I NEW SECUR

BlackRock MuniVest Fund, Inc. (the "Registrant")

BlackRock MuniVest Fund, Inc. (the "Registrant") 77(I) Terms of new or amended securities In connection with the Registrant's issuance of Series W-7 Variable Rate Muni Term Preferred Shares in a private placement on December 16, 2011 (the “VMTP Offering”), the Registrant filed the Articles Supplementary Establishing and Fixing the Rights and Preferences of the Registrant’s Series W-7 Variable Rate

April 24, 2012 EX-99.77Q1 OTHR EXHB

BlackRock MuniVest Fund, Inc. (the “Registrant”)

BlackRock MuniVest Fund, Inc. (the “Registrant”) 77Q1(d): Copies of all constituent instruments defining the rights of the holders of any new class of securities and of any amendments to constituent instruments referred to in answer to sub-item 77I. A copy of the Registrant's Articles Supplementary Establishing and Fixing the Rights and Preferences of the Fund’s Series W-7 Variable Rate Muni Term

April 10, 2012 SC 13G

MVF / BlackRock MuniVest Fund, Inc. / Jpmorgan Chase Bank, N.a. - SCHEDULE 13G Passive Investment

Schedule 13G UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. )* BlackRock MuniVest Fund, Inc. (Name of Issuer) Variable Rate Muni Term Preferred Shares (Title of Class of Securities) 09253R808 (CUSIP Number) December 16, 2011 (Date of Event Which Requires Filing of this Statement) Check the appropriate bo

February 9, 2012 SC 13G/A

MVF / BlackRock MuniVest Fund, Inc. / UBS AG - SCHEDULE 13G/A Passive Investment

Schedule 13G/A UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 3)* Blackrock Munivest Fund Inc (Name of issuer) Auction Preferred Stock (Title of class of securities) 09253R204 09253R303 09253R402 09253R501 09253R600 09253R709 (CUSIP number(s)) January 31, 2012 (Date of event which requires filing of this

January 25, 2012 N-Q

Quarterly Schedule of Portfolio Holdings -

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM N-Q QUARTERLY SCHEDULE OF PORTFOLIO HOLDINGS OF REGISTERED MANAGEMENT INVESTMENT COMPANY Investment Company Act file number 811-05611 Name of Fund: BlackRock MuniVest Fund, Inc. (MVF) Fund Address: 100 Bellevue Parkway, Wilmington, DE 19809 Name and address of agent for service: John M. Perlowski, Chief Executive Officer,

January 25, 2012 EX-99.CERT

EX-99. CERT

EX-99. CERT CERTIFICATION PURSUANT TO RULE 30a-2(a) UNDER THE 1940 ACT AND SECTION 302 OF THE SARBANES-OXLEY ACT OF 2002 I, John M. Perlowski, Chief Executive Officer (principal executive officer) of BlackRock MuniVest Fund, Inc., certify that: 1. I have reviewed this report on Form N-Q of BlackRock MuniVest Fund, Inc.; 2. Based on my knowledge, this report does not contain any untrue statement of

January 25, 2012 SC 13D/A

MVF / BlackRock MuniVest Fund, Inc. / BANK OF AMERICA CORP /DE/ - BLACKROCK MUNIVEST FUND, INC. 13D/A1 Activist Investment

SC 13D/A 1 sc09253r13d20120123.htm BLACKROCK MUNIVEST FUND, INC. 13D/A1 Page 1 of 15 Schedule 13D CUSIP No. 09253R SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13D (Amendment No. 1) Under the Securities Exchange Act of 1934 BLACKROCK MUNIVEST FUND, INC. (Name of Issuer) AUCTION RATE PREFERRED (Title of Class of Securities) 09253R (CUSIP Number) Bank of America Corporation Ban

January 24, 2012 SC 13G/A

MVF / BlackRock MuniVest Fund, Inc. / UBS AG - SC 13G/A Passive Investment

SC 13G/A UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 2)* Blackrock Munivest Fund Inc. (Name of issuer) Auction Preferred Stock (Title of class of securities) 09253R204 09253R303 09253R402 09253R501 09253R600 09253R709 (CUSIP numbers(s)) December 31, 2011 (Date of event which requires filing of this st

October 31, 2011 EX-99.77O RULE 10F-3

FORM 10f-3 THE BLACKROCK FUNDS Record of Securities Purchased Under the Trust’s Rule 10f-3 Procedures

EX-99.77O RULE 10F-3 2 paecon.htm FORM 10f-3 THE BLACKROCK FUNDS Record of Securities Purchased Under the Trust’s Rule 10f-3 Procedures 1. Name of Purchasing Portfolio: The BlackRock Pennsylvania Strategic Municipal Trust (BPS), BlackRock Pennsylvania Municipal Bond Fund (BR-PAMUNI), BlackRock MuniVest Fund, Inc. (MVF), BlackRock Municipal Bond Trust (BBK), BlackRock Investment Quality Municipal T

October 31, 2011 EX-99.77B ACCT LTTR

REPORT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

REPORT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM To the Shareholders and Board of Directors of BlackRock MuniVest Fund, Inc.

July 28, 2011 N-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM N-Q QUARTERLY SCHEDULE OF PORTFOLIO HOLDINGS OF REGISTERED MANAGEMENT INVESTMENT COMPANY

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM N-Q QUARTERLY SCHEDULE OF PORTFOLIO HOLDINGS OF REGISTERED MANAGEMENT INVESTMENT COMPANY Investment Company Act file number 811-05611 Name of Fund: BlackRock MuniVest Fund, Inc. (MVF) Fund Address: 100 Bellevue Parkway, Wilmington, DE 19809 Name and address of agent for service: John M. Perlowski, Chief Executive Officer,

July 28, 2011 EX-99.CERT

EX-99. CERT

EX-99. CERT CERTIFICATION PURSUANT TO RULE 30a-2(a) UNDER THE 1940 ACT AND SECTION 302 OF THE SARBANES-OXLEY ACT OF 2002 I, John M. Perlowski, Chief Executive Officer (principal executive officer) of BlackRock MuniVest Fund, Inc., certify that: 1. I have reviewed this report on Form N-Q of BlackRock MuniVest Fund, Inc.; 2. Based on my knowledge, this report does not contain any untrue statement of

June 16, 2011 DEFA14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant |X| Filed by a Party other than the Registrant || Check the appropriate box: || Preliminary Proxy Statement || Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) || Defi

June 16, 2011 DEF 14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant |X| Filed by a Party other than the Registrant || Check the appropriate box: || Preliminary Proxy Statement || Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) |X| Def

April 29, 2011 EX-99.77O RULE 10F-3

FORM 10f-3 THE BLACKROCK FUNDS Record of Securities Purchased Under the Trust?s Rule 10f-3 Procedures

FORM 10f-3 FORM 10f-3 THE BLACKROCK FUNDS Record of Securities Purchased Under the Trust’s Rule 10f-3 Procedures 1.

April 20, 2011 EX-24

POWER OF ATTORNEY

EX-24 2 attachment1.htm EX-24 DOCUMENT POWER OF ATTORNEY KNOW ALL PERSONS BY THESE PRESENTS that the undersigned hereby constitutes, designates and appoints Howard Surloff, Janey Ahn, Edward Baer, Douglas McCormack, Aaron Wasserman, Ben Archibald and Noah Gellner of BlackRock, Inc., and Michael Hoffman, Eric Requenez, Steve Grigoriou, Jeffrey Davidson and George Ching of Skadden, Arps, Slate, Meag

February 4, 2011 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): February 4, 2011 BlackRock MuniVe

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): February 4, 2011 BlackRock MuniVest Fund, Inc. (Exact Name of Registrant as Specified in Charter) MARYLAND 811-05611 22-2919170 (State or Other Jurisdiction of Incorporation) (Commiss

February 4, 2011 EX-99.1

BlackRock Closed-End Funds Announce Date of 2011 Annual Meeting of Shareholders

Exhibit 99.1 Contact: 1-800-882-0052 BlackRock Closed-End Funds Announce Date of 2011 Annual Meeting of Shareholders New York, February 4, 2011— The BlackRock Closed-End Funds listed below (each a "Fund" and collectively, the "Funds") announced today that each of their 2011 annual meetings of shareholders will be held on July 28, 2011. Additional information regarding deadlines for shareholder pro

January 26, 2011 N-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM N-Q QUARTERLY SCHEDULE OF PORTFOLIO HOLDINGS OF REGISTERED MANAGEMENT INVESTMENT COMPANY

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM N-Q QUARTERLY SCHEDULE OF PORTFOLIO HOLDINGS OF REGISTERED MANAGEMENT INVESTMENT COMPANY Investment Company Act file number 811-05611 Name of Fund: BlackRock MuniVest Fund, Inc. (MVF) Fund Address: 100 Bellevue Parkway, Wilmington, DE 19809 Name and address of agent for service: Anne F. Ackerley, Chief Executive Officer,

January 26, 2011 EX-99.CERT

EX-99. CERT

EX-99. CERT CERTIFICATION PURSUANT TO RULE 30a-2(a) UNDER THE 1940 ACT AND SECTION 302 OF THE SARBANES-OXLEY ACT OF 2002 I, Anne F. Ackerley, Chief Executive Officer (principal executive officer) of BlackRock MuniVest Fund, Inc., certify that: 1. I have reviewed this report on Form N-Q of BlackRock MuniVest Fund, Inc.; 2. Based on my knowledge, this report does not contain any untrue statement of

January 11, 2011 EX-99.1

Joint Filing Agreement

EX-99.1 2 dex991.htm EXHIBIT 99.1 EXHIBIT 99.1 Joint Filing Agreement The undersigned hereby agree that they are filing this statement jointly pursuant to Rule 13d-1(k)(1). Each of them is responsible for the timely filing of such Schedule 13D and any amendments thereto, and for the completeness and accuracy of the information concerning such person contained therein; but none of them is responsib

January 11, 2011 EX-99.2

LIMITED POWER OF ATTORNEY

EX-99.2 3 dex992.htm EXHIBIT 99.2 LIMITED POWER OF ATTORNEY BANK OF AMERICA CORPORATION, a Delaware corporation (the “Corporation”), does hereby irrevocably make, constitute, and appoint each of Michael Didovic and Geoff Rusnak as an attorney-in-fact for the Corporation acting for the Corporation and in the Corporation’s name, place and stead, for the Corporation’s use and benefit, to bind the Cor

January 11, 2011 SC 13D

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13D Under the Securities Exchange Act of 1934 BlackRock MuniVest Fund, Inc. (Name of issuer) AUCTION RATE PREFERRED (Title of class of securities) (CUSIP number) David Lavan, Esq. O’M

CUSIP No. 09253R SCHEDULE 13D Page 1 of 30 SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13D Under the Securities Exchange Act of 1934 BlackRock MuniVest Fund, Inc. (Name of issuer) AUCTION RATE PREFERRED (Title of class of securities) 09253R (CUSIP number) David Lavan, Esq. O’Melveny & Myers LLP 1625 Eye Street, NW Washington, DC 20006 (202) 383-5191 (Name, address and teleph

November 1, 2010 EX-99.77Q1 OTHR EXHB

BlackRock MuniVest Fund, Inc.

BlackRock MuniVest Fund, Inc. 77Q1(a): Copies of material amendments to Registrant’s by-laws Amended and Restated By-Laws of the Registrant is hereby incorporated by reference to the Registrant’s Form 8-K filed on September 21, 2010 (SEC Accession No. 0001193125-10-213683 (34 Act)).

November 1, 2010 EX-99.77O RULE 10F-3

FORM 10f-3 THE BLACKROCK FUNDS Record of Securities Purchased Under the Trust’s Rule 10f-3 Procedures

FORM 10f-3 FORM 10f-3 THE BLACKROCK FUNDS Record of Securities Purchased Under the Trust’s Rule 10f-3 Procedures 1.

November 1, 2010 EX-99.77O RULE 10F-3

FORM 10f-3 THE BLACKROCK FUNDS Record of Securities Purchased Under the Trust?s Rule 10f-3 Procedures

FORM 10f-3 FORM 10f-3 THE BLACKROCK FUNDS Record of Securities Purchased Under the Trust’s Rule 10f-3 Procedures 1.

November 1, 2010 EX-99.77B ACCT LTTR

REPORT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

EX-99.77B ACCT LTTR 2 munivest77b.htm REPORT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM To the Shareholders and Board of Directors of BlackRock MuniVest Fund, Inc.: In planning and performing our audit of the financial statements of BlackRock MuniVest Fund, Inc. (the “Fund”), as of and for the year ended August 31, 2010, in accordance with the standards of the Public Company Accounting Overs

September 21, 2010 8-K

Regulation FD Disclosure, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): September 21, 2010 (September 17, 2010) BlackRock MuniVest Fund, Inc. (Exact name of registrant as specified in its charter) MARYLAND 811-5611 22-2919170 (State or other jurisdiction

September 21, 2010 EX-3.1

BLACKROCK MUNIVEST FUND, INC. AMENDED AND RESTATED Effective as of September 17, 2010 TABLE OF CONTENTS Page ARTICLE I SHAREHOLDER MEETINGS Section 1. Chair 1 Section 2. Annual Meetings of Shareholders 1 Section 3. Special Meetings of Shareholders 1

AMENDED AND RESTATED BYLAWS BLACKROCK MUNIVEST FUND, INC. AMENDED AND RESTATED BYLAWS Effective as of September 17, 2010 TABLE OF CONTENTS Page ARTICLE I SHAREHOLDER MEETINGS Section 1. Chair 1 Section 2. Annual Meetings of Shareholders 1 Section 3. Special Meetings of Shareholders 1 Section 4. Place of Meetings 2 Section 5. Notice of Meetings 2 Section 6. Nature of Business at Annual Meetings of

July 29, 2010 EX-99.CERT

EX-99. CERT

EX-99. CERT CERTIFICATION PURSUANT TO RULE 30a-2(a) UNDER THE 1940 ACT AND SECTION 302 OF THE SARBANES-OXLEY ACT OF 2002 I, Anne F. Ackerley, Chief Executive Officer (principal executive officer) of BlackRock MuniVest Fund, Inc., certify that: 1. I have reviewed this report on Form N-Q of BlackRock MuniVest Fund, Inc.; 2. Based on my knowledge, this report does not contain any untrue statement of

July 29, 2010 N-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM N-Q QUARTERLY SCHEDULE OF PORTFOLIO HOLDINGS OF REGISTERED MANAGEMENT INVESTMENT COMPANY

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM N-Q QUARTERLY SCHEDULE OF PORTFOLIO HOLDINGS OF REGISTERED MANAGEMENT INVESTMENT COMPANY Investment Company Act file number 811-05611 Name of Fund: BlackRock MuniVest Fund, Inc. (MVF) Fund Address: 100 Bellevue Parkway, Wilmington, DE 19809 Name and address of agent for service: Anne F. Ackerley, Chief Executive Officer,

July 23, 2010 DEF 14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant |X| Filed by a Party other than the Registrant || Check the appropriate box: || Preliminary Proxy Statement || Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) |X| Def

March 12, 2010 EX-99.1

EX-99.1

EXHIBIT 99.1 - JOINT FILING AGREEMENT The undersigned hereby agree that they are filing this statement jointly pursuant to Rule 13d-1(k)(1). Each of them is responsible for the timely filing of such Schedule 13G and any amendments thereto, and for the completeness and accuracy of the information concerning such person contained therein; but none of them is responsible for the completeness or accur

March 12, 2010 SC 13G/A

SCHEDULE 13G AMENDMENT

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 2) BlackRock MuniVest Fund Inc - - (Name of Issuer) Auction Rate Preferred - - (Title of Class of Securities) 09253R204 (See Item 2(e)) - - (CUSIP Number) December 31, 2009 - - (Date of Event Which Requires Filing of this Statement) Check the appropriate box

February 8, 2010 SC 13G/A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 1)* BlackRock Munivest Fund Inc (Name of Issuer) Auction Preferred Stock (Title of Class of Securities) 0925

sc13gza UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 1)* BlackRock Munivest Fund Inc (Name of Issuer) Auction Preferred Stock (Title of Class of Securities) 09253R204 09253R303 09253R402 09253R501 09253R600 09253R709 (CUSIP Number) December 31, 2009 (Date of Event Which Requires Filing of this Statemen

January 29, 2010 EX-99.CERT

EX-99. CERT

EX-99. CERT CERTIFICATION PURSUANT TO RULE 30a-2(a) UNDER THE 1940 ACT AND SECTION 302 OF THE SARBANES-OXLEY ACT OF 2002 I, Anne F. Ackerley, Chief Executive Officer (principal executive officer) of BlackRock MuniVest Fund, Inc., certify that: 1. I have reviewed this report on Form N-Q of BlackRock MuniVest Fund, Inc.; 2. Based on my knowledge, this report does not contain any untrue statement of

January 29, 2010 N-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM N-Q QUARTERLY SCHEDULE OF PORTFOLIO HOLDINGS OF REGISTERED MANAGEMENT INVESTMENT COMPANY

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM N-Q QUARTERLY SCHEDULE OF PORTFOLIO HOLDINGS OF REGISTERED MANAGEMENT INVESTMENT COMPANY Investment Company Act file number 811-05611 Name of Fund: BlackRock MuniVest Fund, Inc. (MVF) Fund Address: 100 Bellevue Parkway, Wilmington, DE 19809 Name and address of agent for service: Anne F. Ackerley, Chief Executive Officer,

January 20, 2010 SC 13G/A

SC 13G/A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 1) BlackRock MuniVest Fund Inc - - (Name of Issuer) Auction Rate Preferred - - (Title of Class of Securities) 09253R105 (See Item 2(e)) - - (CUSIP Number) December 31, 2009 - - (Date of Event Which Requires Filing of this Statement) Check the appropriate box

January 20, 2010 EX-99.1

EX-99.1

EXHIBIT 99.1 - JOINT FILING AGREEMENT The undersigned hereby agree that they are filing this statement jointly pursuant to Rule 13d-1(k)(1). Each of them is responsible for the timely filing of such Schedule 13G and any amendments thereto, and for the completeness and accuracy of the information concerning such person contained therein; but none of them is responsible for the completeness or accur

October 30, 2009 EX-99.77O RULE 10F-3

FORM 10f-3 THE BLACKROCK FUNDS Record of Securities Purchased Under the Trust?s Rule 10f-3 Procedures

FORM 10f-3 THE BLACKROCK FUNDS Record of Securities Purchased Under the Trust?s Rule 10f-3 Procedures 1.

October 30, 2009 EX-99.77B ACCT LTTR

REPORT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

EX-99.77B ACCT LTTR 2 mvfund77b.htm REPORT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM To the Shareholders and Board of Directors of BlackRock MuniVest Fund, Inc. In planning and performing our audit of the financial statements of BlackRock MuniVest Fund, Inc. (the “Fund”) as of and for the year ended August 31, 2009, in accordance with the standards of the Public Company Accounting Oversight

October 30, 2009 EX-99.77O RULE 10F-3

FORM 10f-3 THE BLACKROCK FUNDS Record of Securities Purchased Under the Trust’s Rule 10f-3 Procedures

EX-99.77O RULE 10F-3 4 mvfund77o2.htm FORM 10f-3 THE BLACKROCK FUNDS Record of Securities Purchased Under the Trust’s Rule 10f-3 Procedures 1. Name of Purchasing Portfolio: BlackRock Apex Municipal Fund, Inc. (APX), BlackRock Bond Allocation Target Shares: Series N Portfolio (BATSN), BlackRock New York Municipal Income Trust II (BFY), BlackRock New York Municipal Income Trust (BNY), BlackRock New

October 30, 2009 EX-99.77O RULE 10F-3

FORM 10f-3 THE BLACKROCK FUNDS Record of Securities Purchased Under the Trust?s Rule 10f-3 Procedures

FORM 10f-3 FORM 10f-3 THE BLACKROCK FUNDS Record of Securities Purchased Under the Trust’s Rule 10f-3 Procedures 1.

August 10, 2009 DEFR14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant |X| Filed by a Party other than the Registrant || Check the appropriate box: || Preliminary Proxy Statement || Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) |X| Sup

July 24, 2009 EX-99.CERT

EX-99. CERT

EX-99. CERT CERTIFICATION PURSUANT TO RULE 30a-2(a) UNDER THE 1940 ACT AND SECTION 302 OF THE SARBANES-OXLEY ACT OF 2002 I, Donald C. Burke, Chief Executive Officer (principal executive officer) of BlackRock MuniVest Fund, Inc., certify that: 1. I have reviewed this report on Form N-Q of BlackRock MuniVest Fund, Inc.; 2. Based on my knowledge, this report does not contain any untrue statement of a

July 24, 2009 N-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM N-Q QUARTERLY SCHEDULE OF PORTFOLIO HOLDINGS OF REGISTERED MANAGEMENT INVESTMENT COMPANY

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM N-Q QUARTERLY SCHEDULE OF PORTFOLIO HOLDINGS OF REGISTERED MANAGEMENT INVESTMENT COMPANY Investment Company Act file number 811-05611 Name of Fund: BlackRock MuniVest Fund, Inc. (MVF) Fund Address: 100 Bellevue Parkway, Wilmington, DE 19809 Name and address of agent for service: Donald C. Burke, Chief Executive Officer, B

July 17, 2009 DEF 14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant |x| Filed by a Party other than the Registrant || Check the appropriate box: || Preliminary Proxy Statement || Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) |x| Def

April 29, 2009 EX-99.77O RULE 10F-3

FORM 10f-3 THE BLACKROCK FUNDS Record of Securities Purchased Under the Trust’s Rule 10f-3 Procedures

EX-99.77O RULE 10F-3 3 mvfund77o2.htm FORM 10f-3 THE BLACKROCK FUNDS Record of Securities Purchased Under the Trust’s Rule 10f-3 Procedures 1. Name of Purchasing Portfolio: BlackRock Apex Municipal Fund, Inc. (APX), BlackRock Bond Allocation Target Shares: Series N Portfolio (BATSN), BlackRock New York Municipal Income Trust II (BFY), BlackRock New York Municipal Income Trust (BNY), BlackRock New

April 29, 2009 EX-99.77O RULE 10F-3

FORM 10f-3 THE BLACKROCK FUNDS Record of Securities Purchased Under the Trust?s Rule 10f-3 Procedures

FORM 10f-3 FORM 10f-3 THE BLACKROCK FUNDS Record of Securities Purchased Under the Trust’s Rule 10f-3 Procedures 1.

February 10, 2009 EX-99.1

EX-99.1

Exhibit 99.1 EXHIBIT 99.1 - JOINT FILING AGREEMENT The undersigned hereby agree that they are filing this statement jointly pursuant to Rule 13d-1(k)(1). Each of them is responsible for the timely filing of such Schedule 13G and any amendments thereto, and for the completeness and accuracy of the information concerning such person contained therein; but none of them is responsible for the complete

February 10, 2009 SC 13G

SC 13G

- OMB APPROVAL - OMB Number: 3235-0145 UNITED STATES Expires: February 28, 2009 SECURITIES AND EXCHANGE COMMISSION Estimated average burden Washington, D.

February 10, 2009 SC 13G

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. )* Blackrock Munivest Fund Inc (Name of Issuer) Auction Preferred Stock (Title of Class of Securities) 09253

OMB APPROVAL OMB Number: 3235-0145 Expires: February 28, 2009 Estimated average burden hours per response.

January 28, 2009 N-Q

N-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM N-Q QUARTERLY SCHEDULE OF PORTFOLIO HOLDINGS OF REGISTERED MANAGEMENT INVESTMENT COMPANY Investment Company Act file number 811-05611 Name of Fund: BlackRock MuniVest Fund, Inc. (MVF) Fund Address: 100 Bellevue Parkway, Wilmington, DE 19809 Name and address of agent for service: Donald C. Burke, Chief Executive Officer, B

January 28, 2009 EX-99.CERT

EX-99.CERT

EX-99. CERT CERTIFICATION PURSUANT TO RULE 30a-2(a) UNDER THE 1940 ACT AND SECTION 302 OF THE SARBANES-OXLEY ACT OF 2002 - - I, Donald C. Burke, Chief Executive Officer (principal executive officer) of BlackRock MuniVest Fund, Inc., certify that: 1. I have reviewed this report on Form N-Q of BlackRock MuniVest Fund, Inc.; 2. Based on my knowledge, this report does not contain any untrue statement

December 19, 2008 EX-24.3_266613

POWER OF ATTORNEY

EX-24.3266613 2 attachment1.htm EX-24 DOCUMENT POWER OF ATTORNEY KNOW ALL PERSONS BY THESE PRESENTS that the undersigned hereby constitutes, designates and appoints Howard Surloff, Janey Ahn, Denis Molleur, Edward Baer, Robert Putney, Douglas McCormack and Aaron Wasserman of BlackRock, Inc., and Michael Hoffman, Cheri Hoff, Michael D. Saarinen and Peter Lin of Skadden, Arps, Slate, Meagher & Flom

October 30, 2008 EX-99.77O RULE 10F-3

BLACKROCK MuniVest Fund, Inc. FILE #811-05611 ATTACHMENT 77O

10F-3 TRANSACTIONS BLACKROCK MuniVest Fund, Inc. FILE #811-05611 ATTACHMENT 77O TRADE DATE DESCRIPTION OF SECURITY ISSUE SIZE AMOUNT PURCHASED LIST OF UNDERWRITERS 10/5/2007 Idaho Housing and Finance 45,000,000 2,380,000 Lehman Brothers, Citigroup Global Markets Inc., D.A. Davidson & Co. Incorporated, A.G. Edwards & Sons, Inc., Edward D. Jones & Co., Merrill Lynch & Co., Piper Jaffray & Co., Seatt

October 30, 2008 EX-99.77B ACCT LTTR

EX-99.77B ACCT LTTR

REPORT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM To the Shareholders and Board of Directors of BlackRock MuniVest Fund, Inc.

October 7, 2008 EX-3.1

BLACKROCK MUNIVEST FUND, INC. AMENDED AND RESTATED Effective as of May 29, 2008 TABLE OF CONTENTS

Exhibit 3.1 BLACKROCK MUNIVEST FUND, INC. AMENDED AND RESTATED BYLAWS Effective as of May 29, 2008 TABLE OF CONTENTS Page ARTICLE I SHAREHOLDER MEETINGS Section 1. Chairman 2 Section 2. Annual Meetings of Shareholders 2 Section 3. Special Meetings of Shareholders 2 Section 4. Place of Meetings 2 Section 5. Notice of Meetings 2 Section 6. Conduct of Meetings 4 Section 7. Adjournments 4 Section 8. R

October 7, 2008 8-K

Regulation FD Disclosure, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): October 7, 2008 (May 30, 2008) BlackRock MuniVest Fund, Inc. (Exact name of registrant as specified in its charter) MARYLAND 811-05611 22-2919170 (State or other jurisdiction (Commiss

August 21, 2008 DEFA14A

August 20, 2008

August 20, 2008 Dear Shareholder: This is a report on the efforts of BlackRock and the Boards of Directors/Trustees (the “Board”) of the BlackRock closed-end funds (the “Funds”) to provide liquidity to shareholders of the auction market preferred shares (“AMPS”) of the Funds.

July 31, 2008 DEF 14A

IMPORTANT NEWS FOR FUND SHAREHOLDERS

August 1, 2008 Dear Shareholder: A joint annual meeting of the BlackRock closed-end funds listed in Appendix A to the enclosed proxy statement (each a “Fund”) will be held at the offices of BlackRock Advisors, LLC, Park Avenue Plaza, 55 East 52nd Street, 11th Floor, New York, New York 10055, on Friday, September 12, 2008, at 1:30 p.

July 28, 2008 EX-99.CERT

EX-99.CERT

EX-99. CERT CERTIFICATION PURSUANT TO RULE 30a-2(a) UNDER THE 1940 ACT AND SECTION 302 OF THE SARBANES-OXLEY ACT OF 2002 - - I, Donald C. Burke, Chief Executive Officer (principal executive officer) of BlackRock MuniVest Fund, Inc., certify that: 1. I have reviewed this report on Form N-Q of BlackRock MuniVest Fund, Inc.; 2. Based on my knowledge, this report does not contain any untrue statement

July 28, 2008 N-Q

N-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM N-Q QUARTERLY SCHEDULE OF PORTFOLIO HOLDINGS OF REGISTERED MANAGEMENT INVESTMENT COMPANY Investment Company Act file number 811-05611 Name of Fund: BlackRock MuniVest Fund, Inc. (MVF) Fund Address: 100 Bellevue Parkway, Wilmington, DE 19809 Name and address of agent for service: Donald C. Burke, Chief Executive Officer, B

April 29, 2008 EX-99.77O RULE 10F-3

BLACKROCK MuniVest Fund, Inc. FILE #811-05611 ATTACHMENT 77O

BLACKROCK MuniVest Fund, Inc. FILE #811-05611 ATTACHMENT 77O TRADE DATE DESCRIPTION OF SECURITY ISSUE SIZE AMOUNT PURCHASED LIST OF UNDERWRITERS 10/5/2007 Idaho Housing and Finance 45,000,000 2,380,000 Lehman Brothers, Citigroup Global Markets Inc., D.A. Davidson & Co. Incorporated, A.G. Edwards & Sons, Inc., Edward D. Jones & Co., Merrill Lynch & Co., Piper Jaffray & Co., Seattle Northwest Securi

January 29, 2008 N-Q

N-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM N-Q QUARTERLY SCHEDULE OF PORTFOLIO HOLDINGS OF REGISTERED MANAGEMENT INVESTMENT COMPANY Investment Company Act file number 811-05611 Name of Fund: BlackRock MuniVest Fund, Inc. (MVF) Fund Address: 100 Bellevue Parkway, Wilmington, DE 19809 Name and address of agent for service: Donald C. Burke, Chief Executive Officer, B

January 29, 2008 EX-99.CERT

EX-99.CERT

EX-99. CERT CERTIFICATION PURSUANT TO RULE 30a-2(a) UNDER THE 1940 ACT AND SECTION 302 OF THE SARBANES-OXLEY ACT OF 2002 - - I, Donald C. Burke, Chief Executive Officer (principal executive officer) of BlackRock MuniVest Fund, Inc., certify that: 1. I have reviewed this report on Form N-Q of BlackRock MuniVest Fund, Inc.; 2. Based on my knowledge, this report does not contain any untrue statement

October 30, 2007 EX-99.77B ACCT LTTR

REPORT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

REPORT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM To the Shareholders and Board of Directors of BlackRock MuniVest Fund, Inc.

October 30, 2007 EX-99.77O RULE 10F-3

BLACKROCK MuniVest Fund, Inc. FILE #811-05611 ATTACHMENT 77O

BLACKROCK MuniVest Fund, Inc. FILE #811-05611 ATTACHMENT 77O TRADE DATE DESCRIPTION OF SECURITY ISSUE SIZE AMOUNT PURCHASED LIST OF UNDERWRITERS 2/16/2007 PUETRO RICO COMMONWEALTH HIGHWAY 2,184,860,553 6,200,000 Citigroup; Goldman, Sachs & Co.; RBC Capital Markets; Banc of America Securities LLC; BBVAPR MSD; JP Morgan; Lehman Brothers; Merrill Lynch & Co.; Morgan Stanley; Popular Securities; Raymo

July 27, 2007 N-Q

N-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM N-Q QUARTERLY SCHEDULE OF PORTFOLIO HOLDINGS OF REGISTERED MANAGEMENT INVESTMENT COMPANY Investment Company Act File number 811-5611 Name of Fund: BlackRock MuniVest Fund, Inc. Fund Address: P.O. Box 9011 Princeton, NJ 08543-9011 Name and address of agent for service: Robert C. Doll, Jr., Chief Executive Officer, BlackRoc

July 27, 2007 EX-99.CERT

EX-99.CERT

EX-99. CERT CERTIFICATION PURSUANT TO SECTION 302 OF THE SARBANES-OXLEY ACT OF 2002 - - I, Robert C. Doll, Jr., Chief Executive Officer of BlackRock MuniVest Fund, Inc., certify that: 1. I have reviewed this report on Form N-Q of BlackRock MuniVest Fund, Inc.; 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary t

July 17, 2007 DEFA14A

SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934

SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant x Filed by a Party other than the Registrant ¨ Check the appropriate box: ¨ Preliminary Proxy Statement.

July 5, 2007 DEFA14A

SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934

SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant x Filed by a Party other than the Registrant ¨ Check the appropriate box: ¨ Preliminary Proxy Statement.

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