Ecovyst Inc.
ECVT- Exchange
- NYSE
- Industry
- Chemicals & Allied Products
- SEC CIK
- 0001708035
In the last 90 days, Ecovyst Inc. insiders filed 1 open-market purchase and 0 sales; 208 institutions reported holding it in 13F filings for Q2 2026, worth $1.37B in total; no superinvestor holds it.
Q1 2026 vs. Q4 2025
How the institutions holding Ecovyst Inc. changed between Q4 2025 and Q1 2026.
All holders in Q1 2026All holders in Q4 2025
| Measure | Q4 2025 | Of which not filed for Q1 2026 | Q1 2026 | Change |
|---|---|---|---|---|
| Holders | 162 | 2 | 198 | +38 |
| Shares | 116.6M | 11.2M | 111.8M | +6.34M (+6.0%) |
| Value | $1.14B | $108.8M | $1.44B | +$411.5M (+40.1%) |
2 institutions that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so the changes leave them out.
New holders (55)
Institutions that held Ecovyst Inc. at the end of Q1 2026 but not at the end of Q4 2025.
Sold out (17)
Institutions that held Ecovyst Inc. at the end of Q4 2025 and filed for Q1 2026 without it.
| Institution | Shares, Q4 2025 | Value, Q4 2025 |
|---|---|---|
| Mangrove Partners | 5,447,873 | $53.0M |
| Medina Singh Partners, LLC | 2,192,017 | $21.3M |
| Thompson Siegel & Walmsley LLC | 1,366,711 | $13.3M |
| Forest Hill Capital, LLC | 391,900 | $3.81M |
| Nierenberg Investment Management Company, Inc. | 228,810 | $2.23M |
| Atom Investors LP | 149,116 | $1.45M |
| First Trust Advisors LP | 65,027 | $632.7K |
| Verition Fund Management LLC | 60,003 | $583.8K |
| Quest Partners LLC | 38,348 | $373.1K |
| Two Sigma Advisers, LP | 36,200 | $352.2K |
| Entropy Technologies, LP | 26,766 | $260.4K |
| Boothbay Fund Management, LLC | 25,187 | $245.1K |
| Amplius Wealth Advisors, LLC | 18,288 | $177.9K |
| Captrust Financial Advisors | 11,618 | $113.0K |
| Clearstead Advisors, LLC | 11,400 | $110.9K |
| Amalgamated Bank | 3,588 | $35.0K |
| Rockefeller Capital Management L.P. | 675 | $6.57K |
Not filed for Q1 2026 yet (2)
Institutions that held Ecovyst Inc. at the end of Q4 2025 and haven't filed a 13F for Q1 2026. Not filing isn't selling, so they aren't counted as sold out.
| Institution | Shares, Q4 2025 | Value, Q4 2025 |
|---|---|---|
| Vanguard Group Inc | 11,112,611 | $108.1M |
| Comerica Bank | 66,314 | $645.2K |