Ecovyst Inc. (ECVT) shareholders
Close on Nov 13, 2026Market cap $1.20BP/E 34.3Yield –
Ownership
Institutional holdings as of Jun 30, 2026, from 13F filings
Shares held by institutions
Holders of more than 5%
Latest Schedule 13D (active) or 13G (passive) filed by each holder
| Holder | Shares | % of class | Filing | As of |
|---|---|---|---|---|
| Rubric Capital Management LP Joint filing with David Rosen (9.09%) | 10,400,000 | 9.09% | 13G (passive) | Sep 30, 2025 |
| BlackRock, Inc. | 8,526,153 | 7.70% | 13G (passive) amendment | Mar 31, 2026 |
| Abigail P. Johnson Joint filing with FMR LLC (7.70%) | 8,475,538 | 7.70% | 13G (passive) | Sep 30, 2026 |
| Dimensional Fund Advisors LP | 6,585,047 | 6.00% | 13G (passive) amendment | Jun 30, 2026 |
| Vanguard Portfolio Management | 6,191,928 | 5.65% | 13G (passive) | Jun 30, 2026 |
| Vanguard Capital Management | 5,814,039 | 5.25% | 13G (passive) | Mar 31, 2026 |
Top institutional holders
13F holdings as of Jun 30, 2026
| Holder | Shares | % of ECVT | Value | Change | % of portfolio |
|---|---|---|---|---|---|
| BlackRock, Inc. | 10,666,032 | 9.74% | $132.79M | +1,931,812 | 0.00% |
| Rubric Capital Management LP | 8,211,888 | 7.50% | $102.24M | −924,179 | 0.94% |
| Dimensional Fund Advisors LP | 6,585,047 | 6.02% | $81.98M | +86,393 | 0.01% |
| Vanguard Portfolio Management LLC | 6,090,922 | 5.56% | $75.83M | +846,516 | 0.00% |
| FMR LLC | 5,333,701 | 4.87% | $66.40M | +866,276 | 0.00% |
| Arrowstreet Capital, Limited Partnership | 5,132,947 | 4.69% | $63.91M | +303,913 | 0.03% |
| Vanguard Capital Management LLC | 4,843,861 | 4.42% | $60.31M | −133,719 | 0.00% |
| Brown Advisory Inc | 4,533,515 | 4.14% | $56.44M | −308,659 | 0.09% |
| American Century Companies Inc | 3,474,853 | 3.17% | $43.26M | +1,449,583 | 0.02% |
| Geode Capital Management, LLC | 3,149,827 | 2.88% | $39.22M | +386,373 | 0.00% |
| Brightline Capital Management, LLC | 3,012,000 | 2.75% | $37.50M | +212,000 | 8.13% |
| State Street Corp | 2,675,032 | 2.44% | $33.30M | +97,641 | 0.00% |
| Goldman Sachs Group Inc | 2,621,153 | 2.39% | $32.63M | +1,214,268 | 0.00% |
| Ameriprise Financial Inc | 2,229,504 | 2.04% | $27.76M | +97,841 | 0.01% |
| First Wilshire Securities Management Inc | 2,171,238 | 1.98% | $27.03M | −25,546 | 5.57% |
| AltraVue Capital, LLC | 2,008,430 | 1.83% | $25.00M | New | 1.80% |
| Charles Schwab Investment Management Inc | 1,898,885 | 1.73% | $23.64M | −228,029 | 0.00% |
| Qube Research & Technologies Ltd | 1,663,145 | 1.52% | $20.71M | New | 0.02% |
| Allspring Global Investments Holdings, LLC | 1,408,019 | 1.29% | $16.90M | −2,390,370 | 0.03% |
| Hotchkis & Wiley Capital Management LLC | 1,404,452 | 1.28% | $17.49M | −4,009,410 | 0.05% |
Institutional buying and selling by quarter
Positions opened, added to, reduced and closed by 13F filers
| Quarter | Holders | Shares held | % of shares | New / added | Reduced / closed | Shares bought | Shares sold |
|---|---|---|---|---|---|---|---|
| Q2 2026 | 209 | 110M | 100.0% | 50 / 77 | 54 / 36 | 22M | 24M |
| Q1 2026 | 198 | 112M | 100.0% | 55 / 54 | 53 / 17 | 32M | 26M |
| Q4 2025 | 162 | 117M | 100.0% | 20 / 47 | 61 / 24 | 10M | 11M |
| Q3 2025 | 169 | 118M | 100.0% | 31 / 63 | 51 / 37 | 25M | 26M |
| Q2 2025 | 177 | 119M | 100.0% | 38 / 53 | 63 / 22 | 21M | 9M |
| Q1 2025 | 162 | 107M | 97.8% | 21 / 55 | 59 / 27 | 12M | 7M |
| Q4 2024 | 169 | 103M | 94.1% | 36 / 68 | 45 / 24 | 9M | 13M |
| Q3 2024 | 158 | 107M | 97.8% | 34 / 54 | 57 / 26 | 25M | 16M |
| Q2 2024 | 151 | 108M | 98.4% | 29 / 64 | 39 / 24 | 9M | 7M |
| Q1 2024 | 148 | 106M | 96.8% | 17 / 47 | 64 / 31 | 11M | 8M |
| Q4 2023 | 162 | 104M | 94.7% | 23 / 52 | 63 / 11 | 8M | 7M |
| Q3 2023 | 152 | 103M | 94.0% | 17 / 61 | 55 / 18 | 9M | 8M |
Top mutual fund and ETF holders
Latest monthly portfolio reports (Form N-PORT)
246 funds held ECVT in Q2 2026, 44% of their shares through ETFs. Each fund counts once per quarter, from its quarter-end report.
| Fund | Shares | % of ECVT | Value | % of fund | As of |
|---|---|---|---|---|---|
| Vanguard Total Stock Market Index Fund | 3,476,568 | 3.18% | $43.28M | 0.00% | Jun 30, 2026 |
| iShares Russell 2000 ETF | 2,878,537 | 2.63% | $35.84M | 0.04% | Jun 30, 2026 |
| Avantis U.S. Small Cap Value ETF | 2,773,042 | 2.53% | $36.58M | 0.14% | May 31, 2026 |
| Vanguard Small-Cap Index Fund | 2,507,800 | 2.29% | $31.22M | 0.02% | Jun 30, 2026 |
| Brown Advisory Small-Cap Fundamental Value Fund | 2,176,053 | 1.99% | $27.09M | 2.20% | Jun 30, 2026 |
| Fidelity Stock Selector Small Cap Fund | 1,815,284 | 1.66% | $21.89M | 0.30% | Jul 31, 2026 |
| Vanguard Small-Cap Value Index Fund | 1,590,117 | 1.45% | $19.80M | 0.03% | Jun 30, 2026 |
| U.S. Small Cap Value Portfolio | 1,514,903 | 1.38% | $18.27M | 0.09% | Jul 31, 2026 |
| Vanguard Extended Market Index Fund | 1,256,694 | 1.15% | $15.65M | 0.02% | Jun 30, 2026 |
| Fidelity Small Cap Index Fund | 1,202,288 | 1.10% | $14.50M | 0.04% | Jul 31, 2026 |
| Fidelity Series Small Cap Opportunities Fund | 1,178,547 | 1.08% | $14.21M | 0.30% | Jul 31, 2026 |
| Columbia Small Cap Value Discovery Fund | 1,031,250 | 0.94% | $12.44M | 0.50% | Jul 31, 2026 |
| Needham Aggressive Growth Fund | 1,020,000 | 0.93% | $12.70M | 0.49% | Jun 30, 2026 |
| Allspring Special Small Cap Value Fund | 993,811 | 0.91% | $12.37M | 0.42% | Jun 30, 2026 |
| U.S. Targeted Value Portfolio | 852,545 | 0.78% | $10.28M | 0.06% | Jul 31, 2026 |
Officers, directors and major owners
People who filed Forms 3, 4 or 5 in the last two years
| Name | Role | Shares owned | % of shares | Latest filing |
|---|---|---|---|---|
| Kurt Bitting | See Remarks, Director | 698,382 | 0.64% | Mar 16, 2026 |
| Laurie Bergman | See Remarks | 43,353 | 0.04% | Aug 26, 2026 |
| Michael Feehan | See Remarks | 389,071 | 0.36% | Mar 6, 2026 |
| Joseph S. Koscinski | See Remarks | 595,784 | 0.54% | Mar 6, 2026 |
| George L. Vann Jr. | See Remarks | 69,679 | 0.06% | Feb 5, 2025 |
| Paul Whittleston | See Remarks | 72,847 | 0.07% | Feb 5, 2025 |
| Patti A. Humble | Director | 33,974 | 0.03% | Sep 14, 2026 |
| Sarah Lorance | Director | 54,700 | 0.05% | Jun 3, 2026 |
| Bryan K. Brown | Director | 109,015 | 0.10% | Feb 5, 2026 |
| Donald L. Althoff | Director | 58,376 | 0.05% | Feb 5, 2026 |
| Kevin Michael Fogarty | Director | 255,998 | 0.23% | Feb 5, 2026 |
| Anna C. Catalano | Director | 102,805 | 0.09% | Feb 5, 2026 |
| Susan F. Ward | Director | 97,660 | 0.09% | Feb 5, 2026 |
| David A. Bradley | Director | 127,999 | 0.12% | Feb 5, 2026 |
Insider trades
Common stock transactions reported on Form 4, newest first
| Insider | Date | Transaction | Shares | Price | Value | Shares after |
|---|---|---|---|---|---|---|
| Patti A. Humble Director | Sep 10, 2026 | Buy | +24,875 | $10.05 | $249.99K | 33,974 |
| Laurie Bergman See Remarks | Aug 24, 2026 | Award | +43,353 | – | – | 43,353 |
| Sarah Lorance Director | Jun 2, 2026 | Sale | −8,450 | $13.33 | $112.64K | 54,700 |
| Patti A. Humble Director | May 26, 2026 | Award | +9,099 | $13.61 | $123.84K | 9,099 |
| Kurt Bitting See Remarks, Director | Mar 12, 2026 | Option exercise | +38,064 | $3.04 | $115.71K | 698,382 |
| Michael Feehan See Remarks | Mar 4, 2026 | Award | +11,052 | $11.31 | $125.00K | 389,071 |
| Joseph S. Koscinski See Remarks | Mar 4, 2026 | Award | +11,052 | $11.31 | $125.00K | 595,784 |
| Bryan K. Brown Director | Feb 3, 2026 | Award | +19,399 | – | – | 109,015 |
| Kurt Bitting See Remarks, Director | Feb 3, 2026 | Tax withholding | −25,925 | $10.31 | $267.29K | 543,926 |
| Kurt Bitting See Remarks, Director | Feb 3, 2026 | Award | +116,392 | – | – | 660,318 |
| Sarah Lorance Director | Feb 3, 2026 | Award | +19,399 | – | – | 63,150 |
| Joseph S. Koscinski See Remarks | Feb 3, 2026 | Award | +27,158 | – | – | 584,732 |
| Anna C. Catalano Director | Feb 3, 2026 | Award | +19,399 | – | – | 102,805 |
| Michael Feehan See Remarks | Feb 3, 2026 | Award | +19,399 | – | – | 378,019 |
| Michael Feehan See Remarks | Feb 3, 2026 | Tax withholding | −4,834 | $10.31 | $49.84K | 358,620 |
| Susan F. Ward Director | Feb 3, 2026 | Award | +19,399 | – | – | 97,660 |
| Donald L. Althoff Director | Feb 3, 2026 | Award | +19,399 | – | – | 58,376 |
| Kevin Michael Fogarty Director | Feb 3, 2026 | Award | +38,798 | – | – | 215,998 |
| David A. Bradley Director | Feb 3, 2026 | Award | +19,399 | – | – | 107,999 |
| Kurt Bitting See Remarks, Director | Jan 22, 2026 | Tax withholding | −16,053 | $10.84 | $174.01K | 569,851 |
| Michael Feehan See Remarks | Jan 22, 2026 | Tax withholding | −4,246 | $10.84 | $46.03K | 363,454 |
| Kurt Bitting See Remarks, Director | Jan 5, 2026 | Tax withholding | −16,097 | $9.80 | $157.75K | 585,904 |
| Michael Feehan See Remarks | Jan 5, 2026 | Tax withholding | −6,231 | $9.80 | $61.06K | 367,700 |
| Susan F. Ward Director | Nov 7, 2025 | Sale | −15,000 | $8.40 | $126.00K | 78,261 |
| Michael Feehan See Remarks | Feb 3, 2025 | Award | +25,674 | – | – | 373,931 |
| Sarah Lorance Director | Feb 3, 2025 | Award | +25,674 | – | – | 43,751 |
| Kevin Michael Fogarty Director | Feb 3, 2025 | Award | +51,348 | – | – | 177,200 |
| David A. Bradley Director | Feb 3, 2025 | Award | +25,674 | – | – | 88,600 |
| Susan F. Ward Director | Feb 3, 2025 | Award | +25,674 | – | – | 93,261 |
| Bryan K. Brown Director | Feb 3, 2025 | Award | +25,674 | – | – | 89,616 |
| Anna C. Catalano Director | Feb 3, 2025 | Award | +25,674 | – | – | 83,406 |
| Donald L. Althoff Director | Feb 3, 2025 | Award | +25,674 | – | – | 38,977 |
| Kurt Bitting See Remarks, Director | Feb 3, 2025 | Award | +154,044 | – | – | 602,001 |
| George L. Vann Jr. See Remarks | Feb 3, 2025 | Award | +20,540 | – | – | 69,679 |
| Joseph S. Koscinski See Remarks | Feb 3, 2025 | Award | +35,944 | – | – | 557,574 |
| Paul Whittleston See Remarks | Feb 3, 2025 | Award | +23,107 | – | – | 72,847 |
| Joseph S. Koscinski See Remarks | Jan 22, 2025 | Tax withholding | −5,522 | $7.96 | $43.96K | 521,630 |
| Kurt Bitting See Remarks, Director | Jan 22, 2025 | Tax withholding | −14,315 | $7.96 | $113.95K | 447,957 |
| George L. Vann Jr. See Remarks | Jan 22, 2025 | Tax withholding | −1,482 | $7.96 | $11.80K | 49,139 |
| Michael Feehan See Remarks | Jan 22, 2025 | Tax withholding | −2,382 | $7.96 | $18.96K | 348,257 |
| Paul Whittleston See Remarks | Jan 22, 2025 | Tax withholding | −2,982 | $7.96 | $23.74K | 49,740 |
| Michael Feehan See Remarks | Jan 5, 2025 | Tax withholding | −14,160 | $7.76 | $109.88K | 350,639 |
| George L. Vann Jr. See Remarks | Jan 5, 2025 | Tax withholding | −3,594 | $7.76 | $27.89K | 50,621 |
| Joseph S. Koscinski See Remarks | Jan 5, 2025 | Tax withholding | −17,457 | $7.76 | $135.47K | 527,152 |
| Paul Whittleston See Remarks | Jan 5, 2025 | Tax withholding | −4,820 | $7.76 | $37.40K | 52,722 |
| Kurt Bitting See Remarks, Director | Jan 5, 2025 | Tax withholding | −27,060 | $7.76 | $209.99K | 462,272 |
| Paul Whittleston See Remarks | Aug 7, 2024 | Buy | +7,800 | $6.51 | $50.78K | 57,542 |
| Kurt Bitting See Remarks, Director | Aug 5, 2024 | Buy | +5,000 | $6.27 | $31.35K | 489,332 |
| Michael Feehan See Remarks | Aug 5, 2024 | Buy | +16,000 | $6.28 | $100.48K | 364,799 |
| Joseph S. Koscinski See Remarks | Aug 5, 2024 | Buy | +4,807 | $6.26 | $30.09K | 544,609 |
| Donald L. Althoff Director | May 20, 2024 | Award | +13,303 | – | – | 13,303 |
| Susan F. Ward Director | Mar 22, 2024 | Sale | −24,436 | $10.28 | $251.20K | 67,587 |
| Sarah Lorance Director | Mar 8, 2024 | Award | +18,077 | – | – | 18,077 |
| Robert Coxon Director | Jan 22, 2024 | Award | +22,701 | – | – | 223,620 |
| Anna C. Catalano Director | Jan 22, 2024 | Award | +22,701 | – | – | 57,732 |
| Susan F. Ward Director | Jan 22, 2024 | Award | +22,701 | – | – | 92,023 |
| George L. Vann Jr. See Remarks | Jan 22, 2024 | Award | +13,621 | – | – | 54,215 |
| Joseph S. Koscinski See Remarks | Jan 22, 2024 | Award | +45,403 | – | – | 539,802 |
| Kurt Bitting See Remarks, Director | Jan 22, 2024 | Award | +99,319 | – | – | 484,332 |
| Bryan K. Brown Director | Jan 22, 2024 | Award | +22,701 | – | – | 63,942 |
Awards, option exercises, tax withholding and gifts are shown alongside open-market buys and sales. Each name links to the filing on SEC EDGAR.
Short interest
Shares sold short and not yet bought back, as of Oct 30, 2026 (FINRA, reported twice a month)
Shares sold short, last 12 months
Short sale volume counts trades marked short on any given day, including market-maker hedging, so it runs far higher than the share of Ecovyst's stock actually held short. Settlement fails (shares not delivered on time) peaked at 274 shares on Aug 24, 2026 over the last 90 days.
Planned insider sales
Notices of proposed sale filed on Form 144 before shares are sold
| Seller | Filed | Shares | Market value | Planned sale | Acquired through |
|---|---|---|---|---|---|
| Susan F. Ward Director | Jul 17, 2026 | 29,886 | $385.51K | Jul 17, 2026 | Restricted Stock |
| Sarah Lorance Director | Jun 2, 2026 | 8,450 | $112.64K | Jun 2, 2026 | Restricted Stock |
| Susan F. Ward Director | Nov 7, 2025 | 15,000 | $126.02K | Nov 7, 2025 | Restricted Stock |
| Susan F. Ward Director | Mar 22, 2024 | 24,436 | $251.31K | Mar 22, 2024 | RESTRICTED STOCK |
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