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Ecovyst (ECVT) Institutional Ownership

Ecovyst logo
$10.76 -0.06 (-0.51%)
Closing price 11/12/2026 03:59 PM Eastern
Extended Trading
$10.38 -0.38 (-3.53%)
As of 11/12/2026 07:30 PM Eastern
Extended trading is trading that happens on electronic markets outside of regular trading hours. This is a fair market value extended hours price provided by Massive. Learn more.
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Institutional Ownership Changes (13F Filings) for Ecovyst (NYSE:ECVT)

Current
Institutional Ownership
Percentage
86.69%
Number of
Institutional Buyers
(last 12 months)
102
Total
Institutional Inflows
(last 12 months)
$440.33M
Number of
Institutional Sellers
(last 12 months)
60
Total
Institutional Outflows
(last 12 months)
$173.36M
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ECVT Institutional Buying and Selling by Quarter

Ecovyst Major Shareholders & Ownership History

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Reporting DateMajor Shareholder NameShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails
11/12/2026AlphaGrep UK Ltd18,628$183K0.1%N/A0.017%
11/12/2026State Street Corp2,678,101$26.33M0.0%-49.9%2.466%
11/10/2026 Edgestream Partners L.P.437,980$4.31M0.1%N/A0.400%
11/6/2026 William Blair Investment Management LLC701,521$6.90M0.0%-18.5%0.641%
11/5/2026 Ritholtz Wealth Management28,516$280K0.0%+18.6%0.026%
11/4/2026 Ballast Asset Management LP532,577$5.24M2.3%-3.0%0.487%
11/4/2026 Allspring Global Investments Holdings LLC1,319,750$13.15M0.0%-6.3%1.206%
11/3/2026 Ethic Inc.18,267$180K0.0%N/A0.017%
11/3/2026 Ashton Thomas Private Wealth LLC33,820$332K0.0%+27.5%0.031%
11/3/2026 CenterBook Partners LP133,340$1.31M0.1%+16.9%0.122%
10/29/2026 State of Wyoming19,544$192K0.0%-6.2%0.018%
10/28/2026 VIRGINIA RETIREMENT SYSTEMS ET Al117,400$1.15M0.0%-47.7%0.107%
10/28/2026 Brooklands Fund Management Ltd25,000$246K0.0%N/A0.023%
10/23/2026 Sterling Capital Management LLC34,591$340K0.0%+7.8%0.032%
10/23/2026 Inspire Investing LLC64,768$637K0.0%+18.1%0.059%
10/22/2026 Seven Mile Advisory21,489$211K0.1%N/A0.020%
10/21/2026 Nisa Investment Advisors LLC18,659$183K0.0%+75.9%0.017%
10/20/2026 Net Worth Advisory Group20,530$204K0.1%-23.1%0.019%
10/20/2026 CWA Asset Management Group LLC97,429$958K0.0%+11.8%0.089%
10/17/2026 Counterpoint Mutual Funds LLC54,468$535K0.0%N/A0.050%
10/15/2026 State of Alaska Department of Revenue22,972$225K0.0%-5.3%0.021%
10/8/2026 Farther Finance Advisors LLC3,622$36K0.0%+701.3%0.003%
9/9/2026WINTON GROUP Ltd102,300$1.27M0.0%+29.3%0.093%
9/9/2026Engineers Gate Manager LP43,902$547K0.0%N/A0.040%
9/8/2026 Arizona State Retirement System30,201$376K0.0%-3.6%0.028%
8/25/2026 VIRGINIA RETIREMENT SYSTEMS ET Al224,400$2.79M0.0%N/A0.205%
8/22/2026 Compass Financial Management LLC24,475$305K0.0%N/A0.022%
8/20/2026BTG Pactual Asset Management US LLC31,678$394K0.0%N/A0.029%
8/20/2026 Cookson Peirce & Co. Inc.98,579$1.23M0.0%N/A0.090%
8/19/2026UBS AM a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC217,230$2.71M0.0%+20.1%0.198%
8/19/2026Hsbc Holdings PLC434,094$5.35M0.0%+39.9%0.397%
8/18/2026Empowered Funds LLC575,365$7.16M0.0%N/A0.526%
8/18/2026Public Employees Retirement System of Ohio5,222$65K0.0%N/A0.005%
8/17/2026Bank of America Corp DE584,237$7.27M0.0%N/A0.534%
8/15/2026Tiptree Advisors LLC400,000$4.98M3.1%N/A0.365%
8/15/2026Freestone Grove Partners LP28,502$355K0.0%N/A0.026%
8/15/2026Man Group plc138,801$1.73M0.0%N/A0.127%
8/15/2026Jupiter Topco LLC43,607$543K0.0%N/A0.040%
8/14/2026Hsbc Holdings PLC434,094$5.35M0.0%N/A0.397%
8/14/2026Canada Pension Plan Investment Board64,600$804K0.0%N/A0.059%
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8/14/2026Legal & General Group Plc103,061$1.28M0.0%N/A0.094%
8/14/2026The Manufacturers Life Insurance Company49,754$619K0.0%N/A0.045%
8/13/2026 Connor Clark & Lunn Investment Management Ltd.571,901$7.12M0.0%N/A0.522%
8/13/2026 Clear Harbor Asset Management LLC62,075$773K0.0%N/A0.057%
8/12/2026 Compass Financial Management LLC24,475$305K0.0%N/A0.022%
8/12/2026 William Blair Investment Management LLC860,439$10.71M0.0%N/A0.786%
8/7/2026BlackRock Inc.10,666,032$132.79M0.0%N/A9.745%
8/7/2026 Deutsche Bank AG111,106$1.38M0.0%N/A0.102%
8/6/2026 Bank of New York Mellon Corp397,180$4.95M0.0%N/A0.363%
8/6/2026 State of Wyoming20,832$259K0.0%N/A0.019%
7/10/2026 Wedge Capital Management L L P NC187,022$2.33M0.0%-27.1%0.171%
6/16/2026Empowered Funds LLC566,680$7.29M0.0%+8.6%0.518%
5/19/2026Dayah Capital LLC470,000$6.04M2.3%N/A0.429%
5/19/2026Bank of America Corp DE1,106,009$14.22M0.0%+62.1%1.011%
5/19/2026RBF Capital LLC51,017$656K0.0%-27.1%0.047%
5/19/2026Oaktree Capital Management LP2,393,791$30.78M0.4%-43.7%2.187%
5/18/2026 Amundi19,749$254K0.0%-9.2%0.018%
5/18/2026California State Teachers Retirement System106,933$1.38M0.0%-6.9%0.098%
5/18/2026Rubric Capital Management LP9,136,067$117.49M1.2%-13.0%8.347%
5/18/2026Empowered Funds LLC566,680$7.29M0.0%+8.6%0.518%
5/16/2026The Manufacturers Life Insurance Company48,133$619K0.0%-4.0%0.044%
5/16/2026Quantinno Capital Management LP75,446$970K0.0%-2.4%0.069%
5/16/2026SummitTX Capital L.P.390,106$5.02M0.2%N/A0.356%
5/16/2026Lazard Asset Management LLC62,714$807K0.0%+335.8%0.057%
5/14/2026Renaissance Technologies LLC306,700$3.94M0.0%+33.3%0.280%
5/14/2026Arrowstreet Capital Limited Partnership4,829,034$62.10M0.0%+246.6%4.412%
5/14/2026Caxton Associates LLP24,323$313K0.0%N/A0.022%
5/14/2026Inceptionr LLC17,927$231K0.1%N/A0.016%
5/14/2026 Sei Investments Co.938,031$12.06M0.0%+80.3%0.857%
5/14/2026 State of Wyoming6,210$80K0.0%N/A0.006%
5/12/2026First Wilshire Securities Management Inc.2,196,784$28.25M6.4%+1.0%2.007%
5/7/2026 Dimensional Fund Advisors LP6,498,654$83.57M0.0%+1.7%5.938%
5/6/2026 Allspring Global Investments Holdings LLC3,798,389$49.84M0.1%-8.0%3.470%
5/5/2026 Kestrel Investment Management Corp405,400$5.21M3.1%-0.5%0.370%
5/5/2026 Bank of New York Mellon Corp382,233$4.92M0.0%-1.4%0.349%
5/4/2026 J. Safra Sarasin Holding AG24,405$314K0.0%N/A0.022%
5/1/2026 Fifth Third Bancorp54,291$698K0.0%N/A0.050%
4/30/2026Hsbc Holdings PLC310,322$4.02M0.0%N/A0.284%
4/30/2026 Summit Securities Group LLC12,000$154K0.0%N/A0.011%
4/27/2026 Y Intercept Hong Kong Ltd49,936$642K0.0%N/A0.046%
4/25/2026 Strs Ohio24,900$320K0.0%+6,125.0%0.023%
4/23/2026 Inspire Investing LLC39,896$513K0.0%-16.8%0.036%
4/22/2026 Sterling Capital Management LLC35,059$451K0.0%-37.4%0.032%
4/20/2026 OP Asset Management Ltd5,963$77K0.0%N/A0.005%
4/16/2026SG Americas Securities LLC516,569$6.64M0.0%+56.0%0.467%
2/19/2026Invesco Ltd.273,358$2.66M0.0%-22.3%0.240%
2/18/2026EP Wealth Advisors LLC40,869$398K0.0%N/A0.036%
2/18/2026NewEdge Advisors LLC895,364$8.71M0.0%N/A0.785%
2/18/2026Empowered Funds LLC521,672$5.08M0.0%+23.3%0.458%
2/18/2026XTX Topco Ltd18,081$176K0.0%N/A0.016%
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2/18/2026VARCOV Co.32,223$314K0.1%N/A0.028%
2/18/2026Oaktree Capital Management LP4,254,503$41.40M0.6%+48.8%3.731%
2/18/2026 Inspire Investing LLC47,959$467K0.0%-7.4%0.042%
2/18/2026Invenomic Capital Management LP1,906,840$18.55M0.9%-0.1%1.672%
2/18/2026Boothbay Fund Management LLC25,187$245K0.0%-49.6%0.022%
2/18/2026Bridgeway Capital Management LLC808,547$7.87M0.2%+13.9%0.709%
2/17/2026AQR Capital Management LLC74,001$720K0.0%-52.3%0.065%
2/17/2026 Amundi21,752$212K0.0%-83.6%0.019%
2/17/2026Price T Rowe Associates Inc. MD93,364$909K0.0%+5.1%0.082%
2/17/2026California State Teachers Retirement System114,815$1.12M0.0%-2.8%0.101%


ECVT Institutional Ownership - Frequently Asked Questions

During the previous two years, 211 institutional investors and hedge funds held shares of Ecovyst. The most heavily invested institutionals were BlackRock Inc. ($132.79M), Rubric Capital Management LP ($117.49M), Vanguard Group Inc. ($108.13M), Dimensional Fund Advisors LP ($83.57M), Hotchkis & Wiley Capital Management LLC ($77.55M), Arrowstreet Capital Limited Partnership ($62.10M), and Mangrove Partners IM LLC ($53.01M).Learn more on Ecovyst's institutional investors.

86.69% of Ecovyst's stock is owned by institutional investors. Learn more on ECVT's institutional investor holdings.

Of the 182 institutional investors that purchased Ecovyst's stock in the last 24 months, the following investors and hedge funds have bought the highest volume of shares: BlackRock Inc. ($10.67M), Rubric Capital Management LP ($10.50M), Boston Partners ($5.50M), Oaktree Capital Management LP ($4.25M), Arrowstreet Capital Limited Partnership ($4.12M), Hotchkis & Wiley Capital Management LLC ($2.75M), and Brightline Capital Management LLC ($2.05M).

Institutional investors have bought a total of 39,869,655 shares in the last 24 months. This purchase volume represents approximately $440.33M in transactions.

Of the 56 institutional investors that sold Ecovyst's stock in the last 24 months, the following investors and hedge funds have sold the highest volume of shares: State Street Corp ($2.67M), Hotchkis & Wiley Capital Management LLC ($2.37M), Alliancebernstein L.P. ($2.37M), Oaktree Capital Management LP ($1.86M), Shapiro Capital Management LLC ($1.69M), Rubric Capital Management LP ($1.36M), and Allspring Global Investments Holdings LLC ($796.74K).

Institutional investors have sold a total of 17,408,908 shares in the last 24 months. This volume of shares sold represents approximately $173.36M in transactions.


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Institutional ownership data for NYSE:ECVT is compiled from quarterly 13F filings submitted to the U.S. Securities and Exchange Commission (SEC), with the most recent received on 11/12/2026. New 13F filings are added each quarter as they're published.
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