Ecovyst Inc.
DE ˙ DB ˙ US27923Q1094
11,10 € ↓ -0,10 (-0,89%)
2026-05-29
AKTIENPREIS
SecurityDE:PQGA / Ecovyst Inc.
InstitutionBlackRock, Inc.
Latest Disclosed Ownership8,526,153 shares
Ownership 7.70%
BlackRock, Inc. ownership in PQGA / Ecovyst Inc.

2026-04-24 - BlackRock, Inc. has filed an SCHEDULE 13G/A form with the Securities and Exchange Commission (SEC) disclosing ownership of 8,526,153 shares of Ecovyst Inc. (DE:PQGA). This represents 7.7 percent ownership of the company. In their previous filing dated 2024-11-08 , BlackRock, Inc. had reported owning 10,778,676 shares, indicating a decrease of -20.90 percent.

Institutional Ownership: 13D/G Filings

This table shows a history of the 13D/G filings made by the investor and/or investor group. Note that the share values in this table are not directly comparable to any numbers shown in the 13F table (if any).

File
Date		Effective
Date		Form Prev
Shares		 Latest
Shares		 ΔShares
(Percent)		 Ownership
(Percent)		 ΔOwnership
(Percent)
2026-04-24 2026-04-24 13G/A 10,778,676 8,526,153 -20.90 7.70 -17.20
2024-11-08 2024-11-08 13G/A 10,778,676 10,778,676 0.00 9.30 0.00
2024-10-21 2024-10-21 13G/A 10,778,676 9.30
2024-01-26 2024-01-26 13G 8,307,879 7.20

Important Note: One of the primary uses of the 13D/G filings is to evaluate the ability of a firm to control a company (ie, the "beneficial ownership"). To that end, firms are required to report not just direct holdings in companies, but indirect holdings that they control. For investment firms, these indirect holdings can include shares in funds they manage, advisory accounts, and in the case of activist campaigns, pledged votes. Therefore, share counts listed in 13D/G filings can differ significantly than share counts listed in 13F filings.

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)
2026-05-13 2026-03-31 13F ECOVYST COM 27923Q109 8,734,220 -1,713,726 -16.40 112,322 10.49 0.0001
2026-02-12 2025-12-31 13F ECOVYST COM 27923Q109 10,447,946 179,210 1.75 101,659 13.01 0.0017
2025-11-12 2025-09-30 13F ECOVYST COM 27923Q109 10,268,736 103,070 1.01 89,954 7.52 0.0016
2025-08-12 2025-06-30 13F ECOVYST COM 27923Q109 10,165,666 -256,328 -2.46 83,663 29.48 0.0016
2025-05-02 2025-03-31 13F ECOVYST COM 27923Q109 10,421,994 -549,235 -5.01 64,616 -22.91 0.0014
2025-02-07 2024-12-31 13F ECOVYST COM 27923Q109 10,971,229 192,553 1.79 83,820 13.53 0.0017
2024-11-13 2024-09-30 13F ECOVYST COM 27923Q109 10,778,676 1,138,111 11.81 73,834 -14.62 0.0015
2024-08-13 2024-06-30 13F ECOVYST COM 27923Q109 9,640,565 1,417,888 17.24 86,476 -5.68 0.0020
2024-05-10 2024-03-31 13F ECOVYST COM 27923Q109 8,222,677 -85,202 -1.03 91,683 12.95 0.0021
2024-02-13 2023-12-31 13F ECOVYST COM 27923Q109 8,307,879 350,685 4.41 81,168 3.66 0.0021
2023-11-13 2023-09-30 13F ECOVYST COM 27923Q109 7,957,194 730,287 10.11 78,299 -5.46 0.0023
2023-08-11 2023-06-30 13F ECOVYST COM 27923Q109 7,226,907 -153,119 -2.07 82,820 1.56 0.0023
2023-05-12 2023-03-31 13F ECOVYST COM 27923Q109 7,380,026 531,919 7.77 81,549 34.41 0.0024
2023-02-13 2022-12-31 13F ECOVYST COM 27923Q109 6,848,107 270,750 4.12 60,674 9.30 0.0019
2022-11-14 2022-09-30 13F ECOVYST COM 27923Q109 6,577,357 383,902 6.20 55,511 -9.01 0.0019
2022-08-12 2022-06-30 13F ECOVYST COM 27923Q109 6,193,455 1,555,109 33.53 61,007 13.78 0.0020
2022-05-12 2022-03-31 13F ECOVYST COM 27923Q109 4,638,346 391,732 9.22 53,618 23.30 0.0014
2022-02-10 2021-12-31 13F ECOVYST COM 27923Q109 4,246,614 401,138 10.43 43,485 -3.02 0.0011
2021-11-09 2021-09-30 13F ECOVYST COM 27923Q109 3,845,476 76,571 2.03 44,839 -22.55 0.0013
2021-08-11 2021-06-30 13F PQ GROUP HLDGS COM 73943T103 3,768,905 752,592 24.95 57,891 14.92 0.0016
2021-05-07 2021-03-31 13F PQ GROUP HLDGS COM 73943T103 3,016,313 1,156 0.04 50,373 17.16 0.0015
2021-02-05 2020-12-31 13F PQ GROUP HLDGS COM 73943T103 3,015,157 78,337 2.67 42,996 42.70 0.0014
2020-11-06 2020-09-30 13F PQ GROUP HLDGS COM 73943T103 2,936,820 95,424 3.36 30,131 -19.91 0.0011
2020-08-14 2020-06-30 13F PQ GROUP HLDGS COM 73943T103 2,841,396 46,253 1.65 37,620 23.48 0.0015
2020-05-01 2020-03-31 13F PQ GROUP HLDGS COM 73943T103 2,795,143 53,646 1.96 30,467 -35.31 0.0015
2020-02-13 2019-12-31 13F PQ GROUP HLDGS COM 73943T103 2,741,497 -1,143 -0.04 47,099 7.74 0.0018
2019-11-08 2019-09-30 13F PQ GROUP HLDGS COM 73943T103 2,742,640 121,975 4.65 43,717 5.25 0.0018
2019-08-22 2019-06-30 13F/A-1 PQ GROUP HLDGS COM 73943T103 2,620,665 143,131 5.78 41,537 10.52 0.0018
2019-08-13 2019-06-30 13F PQ GROUP HLDGS COM 73943T103 2,620,665 143,131 41,537
2019-05-09 2019-03-31 13F PQ GROUP HLDGS COM 73943T103 2,477,534 -14,176 -0.57 37,584 1.85 0.0017
2019-02-08 2018-12-31 13F PQ GROUP HLDGS COM 73943T103 2,491,710 55,150 2.26 36,903 -13.31 0.0019
2018-11-09 2018-09-30 13F PQ GROUP HLDGS COM 73943T103 2,436,560 188,543 8.39 42,567 5.20 0.0018
2018-08-09 2018-06-30 13F PQ GROUP HLDGS COM 73943T103 2,248,017 415,248 22.66 40,463 58.03 0.0019
2018-05-09 2018-03-31 13F PQ GROUP HLDGS COM 73943T103 1,832,769 91,941 5.28 25,604 -10.59 0.0012
2018-02-09 2017-12-31 13F PQ GROUP HLDGS COM 73943T103 1,740,828 1,740,828 28,637 0.0014
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.