Stocks › ECVT
Ecovyst ECVT
US equityMarket cap rank #3130
$10.49 +$0.31 (+3.05%)
Market closed · Nov 7, 9:10 am ET · Last extended-hours $10.52 +0.29%
Open$10.09
Prev close$10.18
Day range$9.89 – $10.49
Volume2.55M
Market cap$1.14B
P/E (TTM)33.8
Dividend yield–
Ownership & positioning
Who holds it, who is betting against it, and where the big money is moving
Institutional ownership102.8%+0.66 pts vs. prior quarter
Institutions holding256+2 vs. prior quarter
Insider trades (recent)32 buys / 18 sellsNet buying
Short interest5.79% of floatDays to cover 5.6 · as of 15 Oct 2026
Short-sale volume share29.5%5-day average of daily volume
Short-sale volume as % of daily volume
Large-order net flow, last 20 sessions
Net of large-order buying minus selling, in USD. Over this window: −$111.1K (11 inflow days, 9 outflow days).
Net flow by order size, last 20 sessions
Super/Big orders approximate institutional-size trades; Mid/Small approximate retail-size trades. Net buy minus sell value in each bucket, summed over the window.
The five largest holders on file together own 34.0% of shares outstanding.
Largest holders
By investor type
Reported short interest has risen from 3.69% to 5.79% of float over the last 6 biweekly reports (31 Jul 2026 to 15 Oct 2026).
Recent institutional activity
| Holder | Type | Period | Share change | New stake |
|---|---|---|---|---|
| Principal Global Investors, LLC | Mutual Fund | 2026/Q3 | +312,532 | 0.4% |
| AltraVue Capital, LLC | Hedge Fund | 2026/Q3 | +2,008,430 | 1.8% |
| BlackRock | Mutual Fund | 2026/Q3 | +1,931,812 | 9.7% |
| Qube Research & Technologies Ltd | Mutual Fund | 2026/Q3 | +1,663,145 | 1.5% |
| American Century Investment Management | Mutual Fund | 2026/Q3 | +1,449,583 | 3.2% |
| Healthcare of Ontario Pension Plan Trust Fund | Government Pension Fund | 2026/Q3 | +942,306 | 0.9% |
| FMR | Mutual Fund | 2026/Q3 | +866,227 | 4.9% |
| Vanguard Portfolio Management, LLC | Mutual Fund | 2026/Q3 | +846,516 | 5.6% |
| Goldman Sachs Asset Management, L.P. | Mutual Fund | 2026/Q3 | +674,175 | 1.2% |
| The Goldman Sachs Group, Inc. | Public Company | 2026/Q3 | +540,093 | 1.2% |
| Apis Capital Advisors, LLC | Hedge Fund | 2026/Q3 | +540,000 | 0.5% |
| Hudson River Trading LLC | Private Company | 2026/Q3 | +534,190 | 0.5% |
| Victory Capital Management Inc. | Mutual Fund | 2026/Q3 | +488,582 | 0.5% |
| PGIM, Inc. | Mutual Fund | 2026/Q3 | +473,635 | 0.5% |
| Legato Capital Management, LLC | Mutual Fund | 2026/Q3 | +470,171 | 0.4% |
Institutional buy/sell activity by reporting period, largest moves first.
Insider transactions
| Date | Insider | Title | Transaction | Shares | Price | Held after |
|---|---|---|---|---|---|---|
| 9 Sep 2026 | Patti Humble | Independent Director | Open Market Acquisition | +24,875 | $10.05 | 33,974 |
| 23 Aug 2026 | Laurie Bergman | Chief Financial Officer | Other Acquisition | +43,353 | – | 43,353 |
| 1 Jun 2026 | Sarah Lorance | Independent Director | Open Market Disposition | -8,450 | $13.33 | 54,700 |
| 25 May 2026 | Patti Humble | Independent Director | Other Acquisition | +9,099 | $13.61 | 9,099 |
| 11 Mar 2026 | Kurt Bitting | Chief Executive Officer | Derivative Exercise and Retained | +38,064 | $3.04 | 698,382 |
| 3 Mar 2026 | Michael Feehan | Former Vice President | Other Acquisition | +11,052 | $11.31 | 389,071 |
| 3 Mar 2026 | Joseph Koscinski | Chief Administrative Officer, VP, Secretary & General Counsel | Other Acquisition | +11,052 | $11.31 | 595,784 |
| 2 Feb 2026 | Anna Catalano | Independent Director | Other Acquisition | +19,399 | – | 102,805 |
| 2 Feb 2026 | Kevin Fogarty | Independent Chairperson | Other Acquisition | +38,798 | – | 255,998 |
| 2 Feb 2026 | Michael Feehan | Former Vice President | Sale to Issuer | -4,834 | $10.31 | 378,019 |
| 2 Feb 2026 | Michael Feehan | Former Vice President | Other Acquisition | +19,399 | – | 378,019 |
| 2 Feb 2026 | David Bradley | Independent Director | Other Acquisition | +19,399 | – | 127,999 |
| 2 Feb 2026 | Bryan Brown | Independent Director | Other Acquisition | +19,399 | – | 109,015 |
| 2 Feb 2026 | Donald Althoff | Independent Director | Other Acquisition | +19,399 | – | 58,376 |
| 2 Feb 2026 | Joseph Koscinski | Chief Administrative Officer, VP, Secretary & General Counsel | Other Acquisition | +27,158 | – | 584,732 |
| 2 Feb 2026 | Kurt Bitting | Chief Executive Officer | Sale to Issuer | -25,925 | $10.31 | 660,318 |
| 2 Feb 2026 | Kurt Bitting | Chief Executive Officer | Other Acquisition | +116,392 | – | 660,318 |
| 2 Feb 2026 | Susan Ward | Former Independent Director | Other Acquisition | +19,399 | – | 97,660 |
| 2 Feb 2026 | Sarah Lorance | Independent Director | Other Acquisition | +19,399 | – | 63,150 |
| 21 Jan 2026 | Michael Feehan | Former Vice President | Sale to Issuer | -4,246 | $10.84 | 363,454 |
From Form 4/Form 144 filings. Negative share counts are disposals (sales, gifts, or shares withheld for taxes); positive are acquisitions.
Short interest, by report
| Report date | Shares short | % of float | Days to cover |
|---|---|---|---|
| 15 Oct 2026 | 6,333,113 | 5.8% | 5.6 |
| 30 Sep 2026 | 5,939,201 | 5.4% | 4.4 |
| 15 Sep 2026 | 5,256,185 | 4.8% | 4.4 |
| 31 Aug 2026 | 5,129,088 | 4.7% | 3.9 |
| 14 Aug 2026 | 4,541,969 | 4.1% | 3.3 |
| 31 Jul 2026 | 4,037,929 | 3.7% | 3.2 |
No comments yet — be the first to weigh in on ECVT.