Ecovyst Inc.
DE ˙ DB ˙ US27923Q1094
10,80 € 0,00 (0,00%)
2026-06-05
DEL PRIS
SecurityDE:PQGA / Ecovyst Inc.
InstitutionBridgeway Capital Management Inc
Latest Disclosed Ownership834,793 shares
Latest Disclosed Value $ 10,735,438
Bridgeway Capital Management Inc reports 3.25% increase in ownership of PQGA / Ecovyst Inc.

On May 15, 2026 - Bridgeway Capital Management Inc filed a 13F-HR form disclosing ownership of 834,793 shares of Ecovyst Inc. (DE:PQGA) valued at $9,015,764 USD as of March 31, 2026. The entity filed a previous 13F-HR on February 17, 2026 disclosing 808,547 shares of Ecovyst Inc.. This represents a change in shares of 3.25% during the quarter. The current value of the position is $9,015,764 USD.

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)
2026-05-15 2026-03-31 13F ECOVYST COM 27923Q109 834,793 26,246 3.25 10,735 36.46 0.2159
2026-02-17 2025-12-31 13F ECOVYST COM 27923Q109 808,547 98,448 13.86 7,867 26.48 0.1649
2025-11-14 2025-09-30 13F ECOVYST COM 27923Q109 710,099 44,829 6.74 6,220 13.61 0.1327
2025-08-14 2025-06-30 13F ECOVYST COM 27923Q109 665,270 46,240 7.47 5,475 42.69 0.1299
2025-05-15 2025-03-31 13F ECOVYST COM 27923Q109 619,030 148,951 31.69 3,838 6.85 0.0967
2025-02-14 2024-12-31 13F ECOVYST COM 27923Q109 470,079 15,473 3.40 3,591 15.32 0.0803
2024-11-14 2024-09-30 13F ECOVYST COM 27923Q109 454,606 454,606 3,114 0.0673
2022-08-15 2022-06-30 13F ECOVYST COM 27923Q109 0 -92,700 -100.00 0 -100.00
2022-05-16 2022-03-31 13F ECOVYST COM 27923Q109 92,700 -490,000 -84.09 1,072 -82.03 0.0207
2022-02-14 2021-12-31 13F ECOVYST COM 27923Q109 582,700 0 0.00 5,967 -12.17 0.1109
2021-11-15 2021-09-30 13F ECOVYST COM 27923Q109 582,700 0 0.00 6,794 -24.09 0.1298
2021-08-16 2021-06-30 13F PQ GROUP HLDGS COM 73943T103 582,700 0 0.00 8,950 -8.03 0.1601
2021-05-17 2021-03-31 13F PQ GROUP HLDGS COM 73943T103 582,700 0 0.00 9,731 17.11 0.1819
2021-02-16 2020-12-31 13F PQ GROUP HLDGS COM 73943T103 582,700 0 0.00 8,309 38.97 0.1756
2020-11-16 2020-09-30 13F PQ GROUP HLDGS COM 73943T103 582,700 549,000 1,629.08 5,979 1,240.58 0.1371
2020-08-31 2020-06-30 13F/A-1 PQ GROUP HLDGS COM 73943T103 33,700 33,700 446 0.0090
2020-08-14 2020-06-30 13F PQ GROUP HLDGS COM 73943T103 33,700 446 0.0091
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.