Ecovyst (ECVT) Institutional Ownership $9.07 -0.02 (-0.22%) Closing price 03:59 PM EasternExtended Trading$9.17 +0.10 (+1.15%) As of 06:08 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 Polygon.io. Learn more. Add Compare Share Share Ownership Stock AnalysisAnalyst ForecastsChartCompetitorsEarningsFinancialsHeadlinesInsider TradesOptions ChainOwnershipSEC FilingsShort InterestTrendsBuy This Stock Institutional Ownership Changes (13F Filings) for Ecovyst (NYSE:ECVT)CurrentInstitutional OwnershipPercentage86.69%Number ofInstitutional Buyers(last 12 months)119TotalInstitutional Inflows(last 12 months)$241.81MNumber ofInstitutional Sellers(last 12 months)68TotalInstitutional Outflows(last 12 months)$111.36M Get ECVT Insider Trade Alerts Want to know when executives and insiders are buying or selling Ecovyst stock? 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Skip Chart & View Institutional Buying and Selling Data ECVT Institutional Buying and Selling by Quarter Ecovyst Major Shareholders & Ownership History Export to ExcelReporting DateMajor Shareholder NameShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails8/27/2025 Squarepoint Ops LLC150,600$1.24M0.0%N/A0.132% 8/15/2025 Tower Research Capital LLC TRC 18,008$148K0.0%+370.2%0.016% 8/15/2025 Shay Capital LLC517,000$4.26M0.5%+84.6%0.452% 8/15/2025 Rubric Capital Management LP4,707,347$38.74M0.6%N/A4.114% 8/15/2025 Man Group plc300,000$2.47M0.0%N/A0.262% 8/15/2025 Lazard Asset Management LLC14,390$118K0.0%-67.2%0.013% 8/15/2025 Group One Trading LLC14,538$120K0.0%-60.0%0.013% 8/15/2025 EVR Research LP600,000$4.94M2.1%-29.4%0.524% 8/15/2025 BNP Paribas Financial Markets10,493$86K0.0%-70.7%0.009% 8/15/2025 Boothbay Fund Management LLC249,774$2.06M0.0%+67.0%0.218% Get the Latest News and Ratings for ECVT and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Ecovyst and its competitors with MarketBeat's FREE daily newsletter. 8/15/2025 Bridgeway Capital Management LLC665,270$5.48M0.1%+7.5%0.581% 8/15/2025 Brevan Howard Capital Management LP23,249$191K0.0%N/A0.020% 8/15/2025 Bank of America Corp DE980,823$8.07M0.0%-2.9%0.857% 8/15/2025 Ameriprise Financial Inc.1,590,044$13.09M0.0%+221.3%1.390% 8/14/2025 Lighthouse Investment Partners LLC50,000$412K0.0%N/A0.044% 8/14/2025 Kent Lake PR LLC400,000$3.29M1.5%N/A0.350% 8/14/2025 Jane Street Group LLC247,502$2.04M0.0%+74.9%0.216% 8/14/2025 Murchinson Ltd.148,200$1.22M0.4%N/A0.130% 8/14/2025 California State Teachers Retirement System102,135$841K0.0%-1.8%0.089% 8/14/2025 Raymond James Financial Inc.346,137$2.85M0.0%-2.3%0.303% 8/14/2025 Soros Fund Management LLC286,674$2.36M0.0%N/A0.251% 8/14/2025 Quantinno Capital Management LP47,831$394K0.0%+43.0%0.042% 8/14/2025 Alliancebernstein L.P.2,490,609$20.50M0.0%-44.1%2.177% 8/14/2025 Caption Management LLC21,400$176K0.0%N/A0.019% 8/14/2025 The Manufacturers Life Insurance Company 39,619$326K0.0%-4.0%0.035% 8/14/2025 Squarepoint Ops LLC150,600$1.24M0.0%N/A0.132% 8/14/2025 Owls Nest Partners IA LLC521,571$4.29M1.0%+97.8%0.456% 8/14/2025 Sei Investments Co.183,527$1.51M0.0%-7.7%0.160% 8/14/2025 OCONNOR A Distinct Business Unit of UBS ASSET MANAGEMENT AMERICAS LLC 450,000$3.70M0.2%N/A0.393% 8/14/2025 First Wilshire Securities Management Inc.2,200,585$18.11M4.9%-0.9%1.923% 8/14/2025 Voss Capital LP641,317$5.28M0.4%-46.5%0.561% 8/14/2025 Federated Hermes Inc.103,900$855K0.0%-15.1%0.091% 8/13/2025 Amundi135,429$1.12M0.0%-12.9%0.118% 8/13/2025 Invesco Ltd.233,636$1.92M0.0%-6.8%0.204% 8/13/2025 Arrowstreet Capital Limited Partnership15,654$129K0.0%N/A0.014% 8/13/2025 Seven Grand Managers LLC150,000$1.23M0.1%N/A0.131% 8/13/2025 Ballast Asset Management LP555,373$4.57M2.4%+14.4%0.485% 8/13/2025 Loomis Sayles & Co. L P1,049,970$8.64M0.0%+2.3%0.918% 8/12/2025 Boston Partners3,242,285$26.79M0.0%+321.1%2.834% 8/12/2025Jefferies Financial Group Inc.12,231$101K0.0%N/A0.011% NVIDIA's Worst Nightmare? (Ad)$2 TRILLION Quantum Gold Rush While everyone fights over expensive AI stocks... McKinsey just revealed the REAL fortune they expect to come from quantum computing - a $2 trillion explosion by 2035. The kicker? One company is America's FIRST commercial supplier of the material that makes it possible.Click here to learn how to get the ticker symbol <<<8/12/2025 Prudential Financial Inc.425,050$3.50M0.0%-39.4%0.371% 8/12/2025 American Century Companies Inc.314,537$2.59M0.0%-17.2%0.275% 8/12/2025 Rhumbline Advisers172,051$1.42M0.0%-2.1%0.150% 8/12/2025 Franklin Resources Inc.77,183$635K0.0%+14.5%0.067% 8/12/2025 JPMorgan Chase & Co.298,365$2.46M0.0%-4.9%0.261% 8/11/2025 LSV Asset Management337,100$2.77M0.0%-23.5%0.287% 8/8/2025 Intech Investment Management LLC52,841$435K0.0%-13.1%0.045% 8/8/2025 Creative Planning27,311$225K0.0%-55.1%0.023% 8/8/2025 Geode Capital Management LLC2,526,957$20.80M0.0%-2.9%2.152% 8/7/2025 Boston Partners3,242,285$26.79M0.0%+321.1%2.762% 8/7/2025 ProShare Advisors LLC22,149$182K0.0%-12.1%0.019% 8/7/2025 Campbell & CO Investment Adviser LLC56,524$465K0.0%N/A0.048% 8/7/2025 Parkside Financial Bank & Trust6,152$51K0.0%+1,769.9%0.005% 8/5/2025 Simplex Trading LLC25,322$208K0.0%+35.2%0.022% 7/29/2025 William Blair Investment Management LLC3,196,902$26.31M0.1%-7.6%2.723% 7/29/2025 Easterly Investment Partners LLC167,866$1.38M0.1%+8.1%0.143% 7/28/2025 Allianz Asset Management GmbH93,340$768K0.0%N/A0.080% 7/25/2025 Allspring Global Investments Holdings LLC4,868,721$37.00M0.1%-0.7%4.147% 7/25/2025 CWM LLC5,946$49K0.0%+63.0%0.005% 7/11/2025 Wedge Capital Management L L P NC350,024$2.88M0.1%-12.5%0.298% 7/9/2025 Harbor Capital Advisors Inc.1,998,169$16.45M0.7%-7.6%1.702% 6/27/2025 Goldman Sachs Group Inc.655,361$4.06M0.0%-51.6%0.558% 6/18/2025 Voya Investment Management LLC32,564$202K0.0%-8.5%0.028% 5/29/2025 Rhumbline Advisers175,810$1.09M0.0%-28.6%0.150% 5/19/2025 Jane Street Group LLC141,532$877K0.0%+954.1%0.121% 5/16/2025 Empowered Funds LLC344,030$2.13M0.0%+7.5%0.293% 5/16/2025 Goldman Sachs Group Inc.655,361$4.06M0.0%-51.6%0.558% 5/16/2025 Dynamic Technology Lab Private Ltd84,595$524K0.1%N/A0.072% 5/16/2025 Petrus Trust Company LTA40,805$253K0.0%N/A0.035% 5/16/2025 Nexpoint Asset Management L.P.287,687$1.78M0.2%+977.3%0.245% 5/16/2025 MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.69,105$428K0.0%+4.3%0.059% 5/16/2025 Cove Street Capital LLC638,149$3.96M6.2%+29.8%0.544% 5/16/2025 Bridgeway Capital Management LLC619,030$3.84M0.1%+31.7%0.527% 5/16/2025 Alliancebernstein L.P.4,455,180$27.62M0.0%-0.6%3.795% 5/16/2025 Brigade Capital Management LP667,255$4.14M0.5%+28.7%0.568% 5/16/2025 AQR Capital Management LLC157,681$978K0.0%-3.1%0.134% 5/16/2025 Amundi155,558$921K0.0%-7.8%0.133% 5/15/2025 EP Wealth Advisors LLC39,599$246K0.0%+29.5%0.034% 5/15/2025 Royal Bank of Canada45,069$279K0.0%+8.6%0.038% 5/15/2025 Trexquant Investment LP323,285$2.00M0.0%N/A0.275% 5/15/2025 EVR Research LP850,000$5.27M1.5%-15.0%0.724% 5/14/2025 Comerica Bank75,569$469K0.0%-62.6%0.064% 5/14/2025 MetLife Investment Management LLC63,017$391K0.0%-7.3%0.054% 5/14/2025 Hotchkis & Wiley Capital Management LLC12,621,535$78.25M0.3%-3.9%10.751% 5/14/2025 AlphaQuest LLC9,042$56K0.0%+60.1%0.008% 5/14/2025 Voss Capital LP1,198,981$7.43M0.6%+130.7%1.021% 5/14/2025 First Wilshire Securities Management Inc.2,219,462$13.76M3.9%+12.6%1.890% 5/13/2025 American Century Companies Inc.379,907$2.36M0.0%+39.6%0.324% 5/13/2025 Boston Partners769,908$4.77M0.0%-67.9%0.656% 5/12/2025 Nuveen LLC878,783$5.45M0.0%N/A0.749% NVIDIA's Worst Nightmare? (Ad)$2 TRILLION Quantum Gold Rush While everyone fights over expensive AI stocks... McKinsey just revealed the REAL fortune they expect to come from quantum computing - a $2 trillion explosion by 2035. The kicker? One company is America's FIRST commercial supplier of the material that makes it possible.Click here to learn how to get the ticker symbol <<<5/12/2025 Invesco Ltd.250,663$1.55M0.0%-21.8%0.214% 5/12/2025 Simplex Trading LLC18,732$116K0.0%N/A0.016% 5/12/2025 Swiss National Bank214,400$1.33M0.0%-1.2%0.183% 5/9/2025 Deutsche Bank AG86,022$533K0.0%-10.1%0.073% 5/9/2025 Charles Schwab Investment Management Inc.2,106,949$13.06M0.0%+10.7%1.795% 5/9/2025 Vanguard Group Inc.10,825,114$67.12M0.0%-0.9%9.222% 5/7/2025 Zurcher Kantonalbank Zurich Cantonalbank40,182$249K0.0%-17.0%0.034% 5/6/2025 Royce & Associates LP11,721$73K0.0%N/A0.010% 5/6/2025 Universal Beteiligungs und Servicegesellschaft mbH12,534$78K0.0%N/A0.011% 5/2/2025 Victory Capital Management Inc.38,656$240K0.0%+196.9%0.033% (Data available from 1/1/2016 forward) ECVT Institutional Ownership - Frequently Asked Questions Who are the largest shareholders of ECVT shares? During the previous two years, 180 institutional investors and hedge funds held shares of Ecovyst. The most heavily invested institutionals were Hotchkis & Wiley Capital Management LLC ($78.25M), Vanguard Group Inc. ($67.12M), Dimensional Fund Advisors LP ($47.34M), Westwood Holdings Group Inc. ($44.74M), Rubric Capital Management LP ($38.74M), FMR LLC ($37.02M), and Allspring Global Investments Holdings LLC ($37.00M).Learn more on Ecovyst's institutional investors. What percentage of Ecovyst's stock is owned by institutional investors? 86.69% of Ecovyst's stock is owned by institutional investors. Learn more on ECVT's institutional investor holdings. Which institutional investors have been buying Ecovyst's stock? Of the 149 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: Boston Partners ($5.50M), Rubric Capital Management LP ($4.71M), Hotchkis & Wiley Capital Management LLC ($2.82M), Harbor Capital Advisors Inc. ($1.92M), Western Standard LLC ($1.25M), Voss Capital LP ($1.20M), and Vanguard Group Inc. ($1.18M). How much institutional buying is happening at Ecovyst? Institutional investors have bought a total of 32,027,607 shares in the last 24 months. This purchase volume represents approximately $241.81M in transactions. Which of Ecovyst's major shareholders have been selling company stock? Of the 68 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: Alliancebernstein L.P. ($2.27M), Boston Partners ($1.63M), Goldman Sachs Group Inc. ($1.40M), EVR Research LP ($1.37M), JPMorgan Chase & Co. ($1.14M), Victory Capital Management Inc. ($1.09M), and Voss Capital LP ($557.66K). How much institutional selling is happening at Ecovyst? Institutional investors have sold a total of 15,458,214 shares in the last 24 months. This volume of shares sold represents approximately $111.36M in transactions. Related Companies Avient Institutional Ownership Perimeter Solutions Institutional Ownership Methanex Institutional Ownership PureCycle Technologies Institutional Ownership Chemours Institutional Ownership Ingevity Institutional Ownership CVR Partners Institutional Ownership Braskem Institutional Ownership ASP Isotopes Institutional Ownership Westlake Chemical Partners Institutional Ownership This page (NYSE:ECVT) was last updated on 9/2/2025 by MarketBeat.com Staff From Our PartnersMan Who Called Nvidia at $1.10 Says Buy This Now...In 2004, one man called Nvidia before just about anyone knew it existed. 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