ECVT Ecovyst Inc.
Ecovyst Inc. (ECVT) Institutional Ownership
What the institutions did with ECVT last quarter, from their 13F filings. Counting managers rather than shares is the point: a single index fund adding to a position tells you far less than four hundred separate managers all deciding to. Positions as reported for the quarter ended June 30, 2026.
Every manager below opens. Subscribers can see any firm's whole portfolio — every position, its weight, and what they bought, trimmed and exited last quarter.
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Each block is one manager, sized by shares held and colored by how much they moved the position last quarter. Green added, red cut, grey stood pat.
Largest holders
| Manager | Shares | % of reported |
|---|---|---|
| BlackRock, Inc. | 10.7M | 9.7% |
| Rubric Capital Management LP | 8.2M | 7.5% |
| DIMENSIONAL FUND ADVISORS LP | 6.6M | 6.0% |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 6.1M | 5.5% |
| FMR LLC | 5.3M | 4.9% |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | 5.1M | 4.7% |
| VANGUARD CAPITAL MANAGEMENT LLC | 4.8M | 4.4% |
| BROWN ADVISORY INC | 4.5M | 4.1% |
| AMERICAN CENTURY COMPANIES INC | 3.5M | 3.2% |
| GEODE CAPITAL MANAGEMENT, LLC | 3.1M | 2.9% |
| BRIGHTLINE CAPITAL MANAGEMENT, LLC | 3.0M | 2.7% |
| STATE STREET CORP | 2.7M | 2.4% |
| GOLDMAN SACHS GROUP INC | 2.6M | 2.4% |
| AMERIPRISE FINANCIAL INC | 2.2M | 2.0% |
| FIRST WILSHIRE SECURITIES MANAGEMENT INC | 2.2M | 2.0% |
| AltraVue Capital, LLC | 2.0M | 1.8% |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 1.9M | 1.7% |
| Qube Research & Technologies Ltd | 1.7M | 1.5% |
| Allspring Global Investments Holdings, LLC | 1.4M | 1.3% |
| HOTCHKIS & WILEY CAPITAL MANAGEMENT LLC | 1.4M | 1.3% |
| MORGAN STANLEY | 1.1M | 1.0% |
| NEEDHAM INVESTMENT MANAGEMENT LLC | 1.0M | 0.9% |
| LOOMIS SAYLES & CO L P | 1.0M | 0.9% |
| NORTHERN TRUST CORP | 980.1K | 0.9% |
| HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND | 942.3K | 0.9% |
Largest changes
| Manager | Action | Previous | Current | Change |
|---|---|---|---|---|
| HOTCHKIS & WILEY CAPITAL MANAGEMENT LLC | Reduced | 5.4M | 1.4M | -4.0M |
| OAKTREE CAPITAL MANAGEMENT LP | Sold Out | 2.4M | 0 | -2.4M |
| Allspring Global Investments Holdings, LLC | Reduced | 3.8M | 1.4M | -2.4M |
| AltraVue Capital, LLC | New | 0 | 2.0M | +2.0M |
| BlackRock, Inc. | Increased | 8.7M | 10.7M | +1.9M |
| Qube Research & Technologies Ltd | New | 0 | 1.7M | +1.7M |
| AMERICAN CENTURY COMPANIES INC | Increased | 2.0M | 3.5M | +1.4M |
| Driehaus Capital Management LLC | Sold Out | 1.4M | 0 | -1.4M |
| GOLDMAN SACHS GROUP INC | Increased | 1.4M | 2.6M | +1.2M |
| Owls Nest Partners IA, LLC | Reduced | 1.4M | 191.9K | -1.2M |
| WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC | Reduced | 1.9M | 860.4K | -1.0M |
| Point72 Asset Management, L.P. | Reduced | 1.0M | 87.2K | -962.3K |
| HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND | New | 0 | 942.3K | +942.3K |
| Rubric Capital Management LP | Reduced | 9.1M | 8.2M | -924.2K |
| FMR LLC | Increased | 4.5M | 5.3M | +866.3K |
| VANGUARD PORTFOLIO MANAGEMENT LLC | Increased | 5.2M | 6.1M | +846.5K |
| BRIGADE CAPITAL MANAGEMENT, LP | Sold Out | 817.3K | 0 | -817.3K |
| Congruence Capital, LLC | Sold Out | 815.4K | 0 | -815.4K |
| SHAPIRO CAPITAL MANAGEMENT LLC | Sold Out | 766.8K | 0 | -766.8K |
| Apis Capital Advisors, LLC | New | 0 | 540.0K | +540.0K |
| HRT FINANCIAL LP | New | 0 | 534.2K | +534.2K |
| BANK OF AMERICA CORP /DE/ | Reduced | 1.1M | 584.2K | -521.8K |
| PRUDENTIAL FINANCIAL INC | Increased | 20.6K | 515.8K | +495.1K |
| VICTORY CAPITAL MANAGEMENT INC | Increased | 12.4K | 501.0K | +488.6K |
| Legato Capital Management LLC | New | 0 | 470.2K | +470.2K |
| Dayah Capital LLC | Sold Out | 470.0K | 0 | -470.0K |
| SG Americas Securities, LLC | Reduced | 516.6K | 48.4K | -468.1K |
| SEI INVESTMENTS CO | Reduced | 938.0K | 472.5K | -465.5K |
| UniSuper Management Pty Ltd | New | 0 | 458.2K | +458.2K |
| Trexquant Investment LP | New | 0 | 421.1K | +421.1K |
| Invenomic Capital Management LP | Sold Out | 418.3K | 0 | -418.3K |
| NEW YORK STATE COMMON RETIREMENT FUND | Increased | 29.1K | 439.4K | +410.3K |
| MORGAN STANLEY | Increased | 722.6K | 1.1M | +407.6K |
| SummitTX Capital, L.P. | Sold Out | 390.1K | 0 | -390.1K |
| GEODE CAPITAL MANAGEMENT, LLC | Increased | 2.8M | 3.1M | +386.4K |
| Connor, Clark & Lunn Investment Management Ltd. | Increased | 186.7K | 571.9K | +385.2K |
| Thrivent Financial for Lutherans | New | 0 | 317.2K | +317.2K |
| BROWN ADVISORY INC | Reduced | 4.8M | 4.5M | -308.7K |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | Increased | 4.8M | 5.1M | +303.9K |
| UBS Group AG | Reduced | 433.5K | 132.5K | -301.0K |
| UMB Bank, n.a. | Sold Out | 272.7K | 0 | -272.7K |
| MIRABELLA FINANCIAL SERVICES LLP | Sold Out | 239.5K | 0 | -239.5K |
| BNP PARIBAS FINANCIAL MARKETS | Increased | 25.6K | 265.0K | +239.4K |
| Simcoe Capital LLC | New | 0 | 239.1K | +239.1K |
| SCHRODER INVESTMENT MANAGEMENT GROUP | New | 0 | 239.1K | +239.1K |
| Edgestream Partners, L.P. | New | 0 | 234.6K | +234.6K |
| HARBOR CAPITAL ADVISORS, INC. | Reduced | 234.1K | 675 | -233.5K |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | Reduced | 2.1M | 1.9M | -228.0K |
| LAZARD ASSET MANAGEMENT LLC | Increased | 62.7K | 288.2K | +225.5K |
| ExodusPoint Capital Management, LP | Increased | 149.4K | 362.5K | +213.1K |
| BRIGHTLINE CAPITAL MANAGEMENT, LLC | Increased | 2.8M | 3.0M | +212.0K |
| LOOMIS SAYLES & CO L P | Reduced | 1.2M | 1.0M | -211.4K |
| CITADEL ADVISORS LLC | Reduced | 649.8K | 439.6K | -210.1K |
| TUDOR INVESTMENT CORP ET AL | New | 0 | 202.2K | +202.2K |
| JANE STREET GROUP, LLC | Reduced | 392.2K | 203.2K | -189.0K |
| Massar Capital Management, LP | Sold Out | 179.0K | 0 | -179.0K |
| STATE OF WISCONSIN INVESTMENT BOARD | Reduced | 338.6K | 167.8K | -170.8K |
| Gotham Asset Management, LLC | Increased | 99.6K | 261.9K | +162.3K |
| NATIXIS ADVISORS, LLC | New | 0 | 160.0K | +160.0K |
| VARCOV Co. | Reduced | 278.7K | 125.3K | -153.3K |
13F filings are due 45 days after quarter end and cover long positions in U.S.-listed equities only, so this is a lagged and partial picture: shorts, bonds and foreign listings never appear. Options positions are excluded here rather than folded into the share counts. Political ownership is coming.