EcovystECVT
13F holders, Q1 2026 (March 31)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 |
| Fifth Third Bancorp | 0.00% | New | 54,291 | $698K |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 0.00% | Add +1.0% | 53,572 | $689K |
| XTX Topco Ltd | 0.01% | Add +187.2% | 51,922 | $668K |
| RBF Capital, LLC | 0.03% | Reduce -27.1% | 51,017 | $656K |
| Vanguard Global Advisers, LLC | 0.00% | — | 50,036 | $643K |
| Y-Intercept (Hong Kong) Ltd | 0.01% | New | 49,936 | $642K |
| Manufacturers Life Insurance Company, The | 0.00% | Reduce -4.0% | 48,133 | $619K |
| Janus Henderson Group PLC | 0.00% | No change | 43,376 | $558K |
| LSV Asset Management | 0.00% | Reduce -71.8% | 41,300 | $531K |
| Inspire Investing, LLC | 0.03% | Reduce -16.8% | 39,896 | $513K |
| Barclays PLC | 0.00% | Reduce -82.7% | 39,748 | $511K |
| EP Wealth Advisors, LLC | 0.00% | Reduce -2.9% | 39,670 | $510K |
| Creative Planning | 0.00% | Add +25.8% | 39,503 | $508K |
| nVerses Capital, LLC | 0.46% | New | 39,049 | $502K |
| Fox Run Management, L.L.C. | 0.08% | New | 37,502 | $482K |
| Prelude Capital Management, LLC | 0.04% | New | 35,601 | $458K |
| Sterling Capital Management LLC | 0.01% | Reduce -37.4% | 35,059 | $451K |
| Police & Firemen's Retirement System of New Jersey | 0.00% | No change | 31,922 | $411K |
| Arizona State Retirement System | 0.00% | Reduce -1.9% | 31,319 | $403K |
| New York State Common Retirement Fund | 0.00% | No change | 29,081 | $374K |
| Simplex Trading, LLC | 0.01% | New | 28,461 | $366K |
| Net Worth Advisory Group | 0.08% | Reduce -12.5% | 28,441 | $366K |
| Vanguard Investments Australia, Ltd. | 0.00% | — | 28,001 | $360K |
| Ashton Thomas Private Wealth, LLC | 0.01% | New | 26,511 | $341K |
| BNP Paribas Financial Markets | 0.00% | Add +0.8% | 25,613 | $329K |
| Intech Investment Management LLC | 0.00% | Reduce -44.9% | 25,075 | $322K |
| STRS Ohio | 0.00% | Add +6125.0% | 24,900 | $320K |
| J. Safra Sarasin Holding AG | 0.01% | New | 24,405 | $314K |
| Caxton Associates LLP | 0.01% | New | 24,323 | $313K |
| KLP Kapitalforvaltning As | 0.00% | No change | 24,300 | $312K |
| State of Alaska, Department of Revenue | 0.00% | No change | 24,256 | $311K |
| Seven Mile Advisory | 0.20% | New | 21,856 | $281K |
| Virtu Financial LLC | 0.01% | New | 21,456 | $276K |
| Prudential Financial Inc. | 0.00% | New | 20,615 | $265K |
| Kerrisdale Advisers, LLC | 0.10% | New | 20,000 | $257K |
| Premier Fund Managers Ltd | 0.02% | New | 19,890 | $256K |
| Amundi | 0.00% | Reduce -9.2% | 19,749 | $254K |
| Voya Investment Management LLC | 0.00% | Reduce -4.2% | 19,733 | $254K |
| Citigroup Inc. | 0.00% | Add +48.4% | 18,699 | $240K |
| Gsa Capital Partners LLP | 0.01% | New | 18,058 | $232K |
| Pictet Asset Management Holding SA | 0.00% | Add +0.1% | 17,989 | $231K |
| Inceptionr LLC | 0.06% | New | 17,927 | $231K |
| ProShare Advisors LLC | 0.00% | Reduce -20.7% | 16,556 | $213K |
| King Luther Capital Management Corp. | 0.00% | No change | 16,500 | $212K |
| EntryPoint Capital, LLC | 0.06% | Reduce -48.9% | 15,380 | $198K |
| Cape Investment Advisory, Inc. | 0.06% | Reduce -1.3% | 14,800 | $190K |
| DekaBank Deutsche Girozentrale | 0.00% | No change | 14,512 | $190K |
| Marshall Wace, LLP | 0.00% | New | 14,700 | $189K |
| Tower Research Capital LLC (TRC) | 0.00% | Add +13.4% | 13,753 | $177K |
| Wedbush Securities Inc. | 0.00% | No change | 12,581 | $162K |
| Victory Capital Management Inc. | 0.00% | Reduce -4.3% | 12,384 | $159K |
| Praxis Investment Management Inc. | 0.01% | No change | 12,185 | $157K |
| Summit Securities Group LLC | 0.08% | New | 12,000 | $154K |
| Scientech Research LLC | 0.12% | New | 11,343 | $146K |
| Dynamic Technology Lab Private Ltd | 0.02% | New | 11,031 | $142K |
| Xponance LLC | 0.00% | New | 10,508 | $135K |
| Balyasny Asset Management L.P. | 0.00% | New | 10,497 | $135K |
| Ameritas Investment Partners, Inc. | 0.00% | No change | 9,789 | $126K |
| Versant Capital Management, Inc | 0.01% | No change | 9,469 | $122K |
| Russell Investments Group, Ltd. | 0.00% | Reduce -3.9% | 8,704 | $112K |
| Cwm, LLC | 0.00% | Add +3.2% | 6,355 | $82K |
| State of Wyoming | 0.01% | New | 6,210 | $80K |
| OP Asset Management Ltd | 0.00% | New | 5,963 | $77K |
| Public Employees Retirement System of Ohio | 0.00% | Reduce -4.7% | 5,723 | $74K |
| Nomura Asset Management Co. Ltd. | 0.00% | New | 2,700 | $35K |
| GAMMA Investing LLC | 0.00% | Add +12.6% | 2,377 | $31K |
| Towarzystwo Funduszy Inwestycyjnych Pzu SA | 0.01% | No change | 2,200 | $28K |
| SBI Securities Co., Ltd. | 0.00% | No change | 2,030 | $26K |
| EverSource Wealth Advisors, LLC | 0.00% | Add +17.4% | 1,833 | $24K |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 0.00% | Add +26.4% | 1,792 | $23K |
| Nisa Investment Advisors, LLC | 0.00% | No change | 1,740 | $22K |
| Quarry LP | 0.00% | New | 1,650 | $21K |
| Investors Research Corp | 0.00% | No change | 1,500 | $19K |
| MAI Capital Management | 0.00% | Add +190.9% | 928 | $12K |
| Farther Finance Advisors, LLC | 0.00% | No change | 836 | $11K |
| GGM Financial LLC | 0.00% | No change | 764 | $10K |
| Los Angeles Capital Management LLC | 0.00% | No change | 550 | $7K |
| Quadrant Capital Group LLC | 0.00% | No change | 473 | $6K |
| Optiver Holding B.V. | 0.00% | Add +59.1% | 420 | $5K |
| Essential Partners LLC | 0.00% | No change | 348 | $4K |
| Bessemer Group Inc. | 0.00% | No change | 288 | $4K |
| US Bancorp \de | 0.00% | Add +12.7% | 284 | $4K |
| Rothschild Investment LLC | 0.00% | Add +14.3% | 280 | $4K |
| Larson Financial Group LLC | 0.00% | No change | 245 | $3K |
| Root Financial Partners, LLC | 0.00% | New | 230 | $3K |
| Arax Advisory Partners | 0.00% | Add +20.1% | 167 | $2K |
| True Wealth Design, LLC | 0.00% | No change | 148 | $2K |
| Aster Capital Management (DIFC) Ltd | 0.00% | Reduce -64.0% | 227 | $1K |
| Royal Bank of Canada | 0.00% | Reduce -97.5% | 82 | $1K |
| Allworth Financial LP | 0.00% | Add +59.0% | 62 | $798 |
| IFP Advisors, Inc | 0.00% | No change | 44 | $566 |
| Caitong International Asset Management Co., Ltd | 0.00% | New | 35 | $450 |
| PNC Financial Services Group, Inc. | 0.00% | Reduce -93.0% | 34 | $437 |
| Assetmark, Inc. | 0.00% | New | 18 | $231 |
| Osaic Holdings, Inc. | 0.00% | New | 9 | $116 |
| Sunbelt Securities, Inc. | 0.00% | No change | 4 | $51 |
| Dunhill Financial, LLC | 0.00% | No change | 2 | $28 |
| Covestor Ltd | 0.00% | No change | 11 | $0 |
"% of holder's portfolio" is ECVT's weight in each manager's 13F, not the share of Ecovyst Inc. the manager owns.