BlackRock, Inc.
MX ˙ BMV
SecurityMX:BLK / BlackRock, Inc.
InstitutionMorse Asset Management, Inc
Latest Disclosed Ownership1,116 shares
Latest Disclosed Value $ 1,073,268
Morse Asset Management, Inc reports 0.45% increase in ownership of BLK / BlackRock, Inc.

On May 14, 2026 - Morse Asset Management, Inc filed a 13F-HR form disclosing ownership of 1,116 shares of BlackRock, Inc. (MX:BLK) valued at $1,073,268 USD as of March 31, 2026. The entity filed a previous 13F-HR on February 3, 2026 disclosing 1,111 shares of BlackRock, Inc.. This represents a change in shares of 0.45% during the quarter.

Institutional Ownership: 13F and NPORT Filings

The Security and Class in the table below are shown exactly as filed by the investor. We do our best to track continuity of investments through acquisitions, and this will be reflected in the table as changes in names. In addition to descriptive data, performance of the investment is shown over time. To calculate quarterly performance, we first calculate cost basis of the shares purchased during the quarter, then use that to calculate gross profit. Quarterly return is Gross Profit / Starting Portfolio value.

Note that cost basis is calculated and stored in thousands, so small quarterly changes in shares frequently result in a cost basis of zero.

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Disclosed Equity Positions (from 13F/NPORT Filings)
File
Date
Effective
Date
Form Security Class ID Avg Price
Paid (Est)
Reported
Shares
ΔShares ΔShares
(%)
Reported
Value
(x1000)
ΔValue
(%)
Alloc
(%)
ΔAlloc ΔAlloc (%) Cost Basis
(x1000)
Unrealized
Gain/Loss
(x1000)
2026-05-14 2026-03-31 13F BLACKROCK INC COM Stock 09290D101 1,116 5 0.45 1,073 -9.76 0.2231
2026-02-03 2025-12-31 13F BLACKROCK INC COM Stock 09290D101 1,111 -341 -23.48 1,189 -29.73 0.2377
2025-11-14 2025-09-30 13F BLACKROCK INC COM Stock 09290D101 1,452 381 35.57 1,693 50.67 0.3378
2025-08-15 2025-06-30 13F BLACKROCK INC COM Stock 09290D101 1,071 260 32.06 1,124 46.41 0.2462
2025-05-05 2025-03-31 13F BLACKROCK INC COM Stock 09290D101 811 428 111.75 768 95.66 0.1938
2025-02-14 2024-12-31 13F BLACKROCK INC COM Stock 09290D101 383 314 455.07 393 503.08 0.0897
2024-11-20 2024-09-30 13F/A-1 BLACKROCK INC COM Stock 09290D101 69 69 66 0.0141
2024-11-14 2024-09-30 13F BLACKROCK INC COM Stock 09290D101 69 69 0 0.0142
Legend
Shares
The total number of shares held by the institution at the end of the reporting period (the effective date). This is provided in the filing.
Value
The total value of the shares as of the effective date. This is provided in the filing.
Avg. Share Price
The weighted average share price of the shares held by the institution. We use FIFO accounting to determine this price
Class
This is the security class as indicated by the filer. There are a variety of values for this field. Common values include "EC" = equity common, "EP" - equity preferred
Allocation (%)
The percent of the institution's portfolio that this position represents. This is provided in NPORT filings. For 13F filings, we calculate it.
Change in Allocation
The change in allocation from the prior reporting period. This is calculated as current allocation - prior allocation.
Change in Allocation (%)
The percent change in allocation from the prior reporting period. This is calculated as (current allocation - prior allocation) / prior allocation.
Cost Basis
The total cost of the shares held. This is calculated as reported shares * avg. share price
Unrealized Gain/Loss
This is the market value of the position as of the effective date minus the cost basis.