ECVT: Ecovyst Inc insider trading, 5% holders and institutional ownership
From public SEC filings: open-market insider purchases and sales (Form 4, last 180 days), holders of 5% or more (Schedules 13D and 13G) and institutional ownership (Form 13F). Insider and 5% data delayed 48 hours.
Insider trading
0 open-market buys totaling - and 0 sales totaling - in the last 180 days.
Activist and 5% holders
| Filed | What | Holder | Stake | Change | Filing |
|---|---|---|---|---|---|
| 2026-07-31 | New 13G stake | Vanguard Portfolio Management | 5.65% | SEC |
Institutional ownership (Q2 2026)
208 institutions reported holding $1.35B of Ecovyst Inc on Form 13F (198 the quarter before). 47 opened a new position and 36 sold out. Shares held by institutions: -2%.
| Largest holders | Shares | Value |
|---|---|---|
| BlackRock, Inc. | 10,666,032 | $132.79M |
| Rubric Capital Management LP | 8,211,888 | $102.24M |
| DIMENSIONAL FUND ADVISORS LP | 6,585,047 | $81.98M |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 6,090,922 | $75.83M |
| FMR LLC | 5,333,701 | $66.40M |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | 5,132,947 | $63.91M |
| VANGUARD CAPITAL MANAGEMENT LLC | 4,843,861 | $60.31M |
| BROWN ADVISORY INC | 4,533,515 | $56.44M |
| AMERICAN CENTURY COMPANIES INC | 3,474,853 | $43.26M |
| GEODE CAPITAL MANAGEMENT, LLC | 3,149,827 | $39.22M |
Get new insider and activist filings the morning after: daily alerts. Not investment advice.