Ecovyst (ECVT)
Regenerates sulfuric acid and supplies virgin acid, treatment services, and catalyst activation.
$10.42
vs last close+0.02 (+0.24%)
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13F · 13D/G · Form 4
| Institutions | ≈ 100.74% | 110.28M shares | |
|---|---|---|---|
| 211 holders · as of Jun 30, 2026 · largest filers plus last quarter's tail | |||
| Insiders | 2.43% | 2.66M shares | |
| 14 holders · as of Sep 14, 2026 | |||
| Adds to | 103.17% | ||
109.47M company shares as of Sep 22, 2026 · institutions as of Jun 30, 2026 · holders as of their latest filing
This quarter's institutional total failed a plausibility check; shown: the largest filers plus last quarter's remainder.
These groups come from separate filings that can overlap, so they add to 103.17%; nothing is left for Other.
13F, as of Jun 30, 2026
211 holders · 110.28M shares · 52 new positions · 129 increased · 53 reduced · 43 closed
| Holder | Shares | % outstanding | Chg q/q | Filed |
|---|---|---|---|---|
| BlackRock, Inc. | 10.67M | 9.74% | +1.93M | Aug 7, 2026 |
| Rubric Capital Management LP | 8.21M | 7.50% | −924.2K | Aug 14, 2026 |
| Dimensional Fund Advisors LP | 6.59M | 6.02% | +86.4K | Aug 11, 2026 |
| Vanguard Portfolio Management LLC | 6.09M | 5.56% | +846.5K | Aug 13, 2026 |
| FMR LLC | 5.33M | 4.87% | +866.3K | Aug 13, 2026 |
| Arrowstreet Capital, Limited Partnership | 5.13M | 4.69% | +303.9K | Aug 13, 2026 |
| Vanguard Capital Management LLC | 4.84M | 4.42% | −133.7K | Aug 13, 2026 |
| Brown Advisory Inc | 4.53M | 4.14% | −308.7K | Aug 14, 2026 |
13D/G · 5% or more, as filed
| Holder | % of class | Shares | Form | Filed |
|---|---|---|---|---|
| Rubric Capital Management LP | 9.09% | 10.40M | 13G | Nov 14, 2025 |
| BlackRock, Inc. | 7.70% | 8.53M | 13G | Apr 24, 2026 |
| Dimensional Fund Advisors LP | 6.00% | 6.59M | 13G | Jul 14, 2026 |
| Vanguard Portfolio Management | 5.65% | 6.19M | 13G | Jul 31, 2026 |
| Vanguard Capital Management | 5.25% | 5.81M | 13G | Apr 29, 2026 |
Form 4
Latest trades
| Date | Insider | Type | Shares | Avg price | Owned after |
|---|---|---|---|---|---|
| Sep 10, 2026 | Patti A. Humbledirector | Purchase | 24,875 | $10.05 | 33,974 |
| Nov 7, 2025 | Susan F. Warddirector | Sale | 15,000 | $8.40 | 78,261 |
House and Senate disclosures
Not reported.