Ecovyst Inc (ECVT)
Who owns Ecovyst Inc (ECVT)? This page shows the largest institutions and funds, the ownership structure and the latest insider transactions. 89.3% of the shares are freely tradable; institutional investors hold 105.6%.
Ownership Structure
Largest Shareholders
Institutions
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| Vanguard Group Inc | 10.15 | 11,112,611 | +1.8 | 12/31/2025 |
| Rubric Capital Management LP | 8.35 | 9,136,067 | -13.0 | 03/31/2026 |
| BlackRock Inc | 7.98 | 8,734,220 | -16.4 | 03/31/2026 |
| Dimensional Fund Advisors, Inc. | 5.94 | 6,498,654 | +1.7 | 03/31/2026 |
| Hotchkis & Wiley Capital Management LLC | 4.95 | 5,413,862 | -43.4 | 03/31/2026 |
| Vanguard Portfolio Management, LLC | 4.79 | 5,244,406 | +0.0 | 03/31/2026 |
| Vanguard Capital Management, LLC | 4.55 | 4,977,580 | +0.0 | 03/31/2026 |
| Brown Advisory Holdings Inc | 4.42 | 4,842,174 | -3.6 | 03/31/2026 |
| Arrowstreet Capital Limited Partnership | 4.41 | 4,829,034 | +246.6 | 03/31/2026 |
| FMR Inc | 4.08 | 4,467,425 | +924.5 | 03/31/2026 |
Largest reported positions according to regulatory filings; stake as a percentage of shares outstanding, change versus the previous filing. Source: fundamentals data.
Data as of: July 31, 2026 · Source: fundamental data & SEC filings (annual and quarterly reports, 10-K/10-Q)
Note: pure fact-based analysis, not investment advice and not a solicitation to buy or sell. All figures without guarantee.