EcovystECVT
13F holders, Q1 2026 (March 31)198holders +36
49new positions
15sold out
8famous investors
$12.87avg. 13F price*
At the end of Q1 2026, 198 institutions reported holding Ecovyst Inc. (ECVT) in their 13F filings, up 36 from Q4 2025. 49 opened new positions and 15 sold out. The largest holders were Rubric Capital Management LP ($117.5M), BlackRock, Inc. ($112.3M) and Dimensional Fund Advisors LP ($83.6M). 8 famous investors held it, including Howard Marks (0.7% of Oaktree Capital Management's portfolio), Steve Cohen (0.0% of Point72 Asset Management's portfolio) and Jim Simons / Peter Brown (0.0% of Renaissance Technologies's portfolio).
- Company
- Ecovyst Inc.
- CUSIP
- 27923Q109
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q4 2025 → Q1 2026
| Institutions | Total Value | |
|---|---|---|
| New Positions | 49 | $79.6M |
| Exits | 15 | $97.3M |
All 13F filers, Q4 2025 → Q1 2026: 20,960,586 shares bought and 25,653,846 shares sold, net −4,693,260 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 198 holders
| Rubric Capital Management LP | 1.44% | Reduce -13.0% | 9,136,067 | $117.5M |
| BlackRock, Inc. | 0.00% | Reduce -16.4% | 8,734,220 | $112.3M |
| Dimensional Fund Advisors LP | 0.02% | Add +1.7% | 6,498,654 | $83.6M |
| Hotchkis & Wiley Capital Management LLC | 0.22% | Reduce -43.4% | 5,413,862 | $69.6M |
| Vanguard Portfolio Management LLC | 0.00% | — | 5,244,406 | $67.4M |
| Vanguard Capital Management LLC | 0.00% | — | 4,977,580 | $64.0M |
| Brown Advisory Inc. | 0.10% | Reduce -3.6% | 4,842,174 | $62.3M |
| Arrowstreet Capital, Limited Partnership | 0.03% | Add +246.6% | 4,829,034 | $62.1M |
| FMR LLC | 0.00% | Add +924.5% | 4,467,425 | $57.5M |
| Allspring Global Investments Holdings, LLC | 0.08% | Reduce -8.0% | 3,798,389 | $49.8M |
| Brightline Capital Management, LLC | 10.65% | Add +36.6% | 2,800,000 | $36.0M |
| Geode Capital Management, LLC | 0.00% | Add +3.2% | 2,763,454 | $35.5M |
| State Street Corp. | 0.00% | Add +1.3% | 2,577,391 | $33.1M |
| Oaktree Capital Management | 0.71% | Reduce -43.7% | 2,393,791 | $30.8M |
| First Wilshire Securities Management Inc. | 6.36% | Add +1.0% | 2,196,784 | $28.3M |
| Ameriprise Financial Inc. | 0.01% | Reduce -1.0% | 2,131,663 | $27.4M |
| Charles Schwab Investment Management Inc. | 0.00% | Reduce -6.4% | 2,126,914 | $27.4M |
| American Century Companies Inc. | 0.01% | Add +228.5% | 2,025,270 | $26.0M |
| William Blair Investment Management, LLC | 0.08% | Reduce -31.7% | 1,864,621 | $24.0M |
| Goldman Sachs Group Inc. | 0.00% | Add +69.8% | 1,406,885 | $18.1M |
| Owls Nest Partners IA, LLC | 6.19% | Reduce -24.7% | 1,374,674 | $17.7M |
| Driehaus Capital Management LLC | 0.13% | New | 1,356,131 | $17.4M |
| Loomis Sayles & Co. L P | 0.02% | Reduce -3.4% | 1,225,131 | $15.8M |
| Bank of America Corp. | 0.00% | Add +62.1% | 1,106,009 | $14.2M |
| Point72 Asset Management | 0.02% | Reduce -18.2% | 1,049,527 | $13.5M |
| Needham Investment Management LLC | 0.67% | No change | 1,020,000 | $13.1M |
| Northern Trust Corp. | 0.00% | Add +4.9% | 958,764 | $12.3M |
| Sei Investments Co. | 0.01% | Add +80.3% | 938,031 | $12.1M |
| NewEdge Advisors, LLC | 0.04% | No change | 895,364 | $11.5M |
| Bridgeway Capital Management, LLC | 0.22% | Add +3.3% | 834,793 | $10.7M |
| JPMorgan Chase & Co. | 0.00% | Add +79.7% | 821,390 | $10.6M |
| Brigade Capital Management, LP | 13.09% | No change | 817,255 | $10.5M |
| Congruence Capital, LLC | 3.52% | New | 815,443 | $10.5M |
| Allianz Asset Management GmbH | 0.01% | Add +55.2% | 805,698 | $10.4M |
| Shapiro Capital Management LLC | 0.62% | Reduce -66.4% | 766,762 | $9.9M |
| Vanguard Fiduciary Trust Co. | 0.00% | — | 731,724 | $9.4M |
| Morgan Stanley | 0.00% | Reduce -4.4% | 722,625 | $9.3M |
| Citadel Advisors | 0.01% | Add +2157.2% | 649,778 | $8.4M |
| Empowered Funds, LLC | 0.05% | Add +8.6% | 566,680 | $7.3M |
| Ballast Asset Management, LP | 3.17% | Add +2.5% | 554,625 | $7.1M |
| SG Americas Securities, LLC | 0.01% | Add +56.0% | 516,569 | $6.6M |
| Dayah Capital LLC | 3.53% | New | 470,000 | $6.0M |
| UBS Group AG | 0.00% | Add +53.5% | 433,465 | $5.6M |
| D. E. Shaw & Co. | 0.00% | Add +1365.6% | 422,463 | $5.4M |
| Invenomic Capital Management LP | 0.25% | Reduce -78.1% | 418,265 | $5.4M |
| Kestrel Investment Management Corp. | 3.11% | Reduce -0.5% | 405,400 | $5.2M |
| Jane Street Group, LLC | 0.01% | Add +1772.1% | 392,193 | $5.0M |
| SummitTX Capital, L.P. | 0.16% | New | 390,106 | $5.0M |
| Bank of New York Mellon Corp | 0.00% | Reduce -1.4% | 382,233 | $4.9M |
| Invesco Ltd. | 0.00% | Add +38.1% | 377,455 | $4.9M |
| CastleKnight Management LP | 0.22% | No change | 367,148 | $4.7M |
| State of Wisconsin Investment Board | 0.01% | Reduce -36.8% | 338,599 | $4.4M |
| Tiptree Advisors, LLC | 2.43% | New | 325,000 | $4.2M |
| HSBC Holdings PLC | 0.00% | New | 310,322 | $4.0M |
| Nuveen, LLC | 0.00% | Reduce -1.0% | 312,714 | $4.0M |
| Renaissance Technologies | 0.01% | Add +33.3% | 306,700 | $3.9M |
| VARCOV Co. | 1.34% | Add +764.9% | 278,682 | $3.6M |
| UMB Bank, n.a. | 0.05% | No change | 272,651 | $3.5M |
| Wedge Capital Management L L P | 0.06% | Reduce -18.8% | 256,583 | $3.3M |
| Mirabella Financial Services LLP | 0.31% | New | 239,526 | $3.1M |
| Two Sigma Investments, LP | 0.00% | New | 238,003 | $3.1M |
| Harbor Capital Advisors, Inc. | 0.24% | Reduce -60.0% | 234,136 | $3.0M |
| Swiss National Bank | 0.00% | No change | 225,600 | $2.9M |
| VIRGINIA RETIREMENT SYSTEMS ET Al | 0.02% | New | 206,900 | $2.7M |
| Connor, Clark & Lunn Investment Management Ltd. | 0.01% | New | 186,701 | $2.4M |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.00% | Reduce -11.3% | 180,872 | $2.3M |
| Massar Capital Management, LP | 0.46% | New | 178,976 | $2.3M |
| Man Group plc | 0.00% | New | 166,063 | $2.1M |
| Rhumbline Advisers | 0.00% | Reduce -0.5% | 151,668 | $2.0M |
| ExodusPoint Capital Management, LP | 0.02% | New | 149,388 | $1.9M |
| Easterly Investment Partners LLC | 0.13% | Reduce -19.3% | 135,610 | $1.7M |
| State Board of Administration of Florida Retirement System | 0.00% | Add +379.4% | 130,361 | $1.7M |
| Millennium Management | 0.00% | New | 129,221 | $1.7M |
| Brevan Howard Capital Management LP | 0.02% | Add +138.1% | 128,080 | $1.6M |
| Bleakley Financial Group, LLC | 0.02% | Add +0.3% | 117,741 | $1.5M |
| Campbell & CO Investment Adviser LLC | 0.09% | Add +148.5% | 117,420 | $1.5M |
| Verdence Capital Advisors LLC | 0.08% | New | 107,594 | $1.4M |
| T. Rowe Price Associates Inc. | 0.00% | Add +15.1% | 107,474 | $1.4M |
| Schonfeld Strategic Advisors LLC | 0.01% | New | 107,167 | $1.4M |
| California State Teachers Retirement System | 0.00% | Reduce -6.9% | 106,933 | $1.4M |
| Gotham Asset Management | 0.00% | New | 99,607 | $1.3M |
| Legal & General Group Plc | 0.00% | Reduce -18.3% | 96,986 | $1.2M |
| Hartree Partners, LP | 0.27% | Reduce -28.4% | 96,726 | $1.2M |
| Federated Hermes, Inc. | 0.00% | Reduce -17.1% | 96,665 | $1.2M |
| Deutsche Bank AG | 0.00% | Add +13.1% | 95,516 | $1.2M |
| Alliancebernstein L.P. | 0.00% | No change | 124,260 | $1.2M |
| AQR Capital Management | 0.00% | Add +21.8% | 90,136 | $1.2M |
| Jump Financial, LLC | 0.02% | New | 85,927 | $1.1M |
| Dark Forest Capital Management LP | 0.09% | Add +429.2% | 82,221 | $1.1M |
| WINTON GROUP Ltd | 0.04% | New | 79,100 | $1.0M |
| VANGUARD ASSET MANAGEMENT, Ltd | 0.00% | — | 75,951 | $977K |
| Quantinno Capital Management LP | 0.00% | Reduce -2.4% | 75,446 | $970K |
| Franklin Resources Inc. | 0.00% | No change | 71,025 | $913K |
| Susquehanna International Group, LLP | 0.00% | Add +348.0% | 70,386 | $905K |
| Canada Pension Plan Investment Board | 0.00% | No change | 64,600 | $831K |
| Clear Harbor Asset Management, LLC | 0.06% | Reduce -16.6% | 64,375 | $828K |
| Wells Fargo & Company | 0.00% | Reduce -55.6% | 63,690 | $819K |
| Lazard Asset Management LLC | 0.00% | Add +335.8% | 62,714 | $807K |
| MetLife Investment Management, LLC | 0.00% | Reduce -2.1% | 59,907 | $770K |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 0.00% | Add +13.8% | 58,373 | $751K |
"% of holder's portfolio" is ECVT's weight in each manager's 13F, not the share of Ecovyst Inc. the manager owns.