Clean Harbors (CLH) Institutional Ownership $225.97 +0.16 (+0.07%) As of 11:04 AM Eastern Add Compare Share Share Ownership Stock AnalysisAnalyst ForecastsChartCompetitorsEarningsFinancialsHeadlinesInsider TradesOptions ChainOwnershipSEC FilingsShort InterestSustainabilityTrendsBuy This Stock Institutional Ownership Changes (13F Filings) for Clean Harbors (NYSE:CLH)CurrentInstitutional OwnershipPercentage90.43%Number ofInstitutional Buyers(last 12 months)367TotalInstitutional Inflows(last 12 months)$2.25BNumber ofInstitutional Sellers(last 12 months)261TotalInstitutional Outflows(last 12 months)$1.36B Get CLH Insider Trade Alerts Want to know when executives and insiders are buying or selling Clean Harbors stock? Sign up for InsiderTrades.com's daily newsletter to get the latest insider transactions delivered to your inbox daily. Email Address Skip Chart & View Institutional Buying and Selling Data CLH Institutional Buying and Selling by Quarter Clean Harbors Major Shareholders & Ownership History Export to ExcelReporting DateMajor Shareholder NameShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails5/28/2025 Strs Ohio158,863$31.31M0.1%N/A0.296% 5/20/2025 Intech Investment Management LLC21,268$4.19M0.0%-42.6%0.040% 5/19/2025 UBS AM A Distinct Business Unit of UBS Asset Management Americas LLC899,566$177.30M0.0%+127.6%1.679% 5/16/2025 Rivermont Capital Management LP103,989$20.50M8.6%+74.6%0.194% 5/16/2025 United Services Automobile Association3,339$658K0.0%N/A0.006% 5/16/2025 Aristeia Capital L.L.C.2,435$480K0.0%N/A0.005% 5/16/2025 Ashton Thomas Private Wealth LLC4,107$809K0.0%-71.9%0.008% 5/16/2025 Goldman Sachs Group Inc.54,577$10.76M0.0%+12.1%0.102% 5/16/2025 Jones Financial Companies Lllp607$120K0.0%+47.7%0.001% 5/16/2025 Dynamic Technology Lab Private Ltd2,740$540K0.1%+7.9%0.005% Get the Latest News and Ratings for CLH and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Clean Harbors and its competitors with MarketBeat's FREE daily newsletter. 5/16/2025 UniSuper Management Pty Ltd9,045$1.78M0.0%N/A0.017% 5/16/2025 Select Equity Group L.P.1,092,159$215.27M0.9%-37.6%2.038% 5/16/2025 Sandler Capital Management8,453$1.67M0.4%-69.4%0.016% 5/16/2025 Petrus Trust Company LTA3,171$625K0.1%+222.9%0.006% 5/16/2025 Needham Investment Management LLC60,906$12.01M1.1%+0.2%0.114% 5/16/2025 NewEdge Advisors LLC6,919$1.36M0.0%-39.8%0.013% 5/16/2025 Millennium Management LLC362,892$71.53M0.0%-36,389.2%0.677% 5/16/2025 Integrated Wealth Concepts LLC2,187$431K0.0%+102.9%0.004% 5/16/2025 Jacobs Levy Equity Management Inc.8,940$1.76M0.0%N/A0.017% 5/16/2025 Hancock Whitney Corp10,297$2.03M0.1%-15.2%0.019% 5/16/2025 Boothbay Fund Management LLC51,226$10.10M0.3%+37.8%0.096% 5/16/2025 AQR Capital Management LLC32,228$6.27M0.0%-63.3%0.060% 5/16/2025 Advisors Asset Management Inc.19,026$3.75M0.1%+2.4%0.036% 5/16/2025 Amundi6,256$1.24M0.0%-59.5%0.012% 5/16/2025 Adage Capital Partners GP L.L.C.227,000$44.74M0.1%+134.0%0.424% 5/15/2025 Dark Forest Capital Management LP30,609$6.03M0.3%N/A0.057% 5/15/2025 EP Wealth Advisors LLC1,190$235K0.0%-5.7%0.002% 5/15/2025 Cubist Systematic Strategies LLC56,942$11.22M0.1%N/A0.106% 5/15/2025 Royal Bank of Canada149,624$29.49M0.0%-16.8%0.279% 5/15/2025 Alamea Verwaltungs GmbH2,811$554K0.5%N/A0.005% 5/15/2025 Quarry LP241$48K0.0%N/A0.000% 5/15/2025 Night Squared LP27,597$5.44M3.2%N/A0.052% 5/15/2025 Twin Tree Management LP2,103$415K0.0%+2,780.8%0.004% 5/15/2025 Baird Financial Group Inc.4,358$859K0.0%-5.2%0.008% 5/15/2025 Aperture Investors LLC142,073$28.00M3.6%+52.8%0.265% 5/15/2025 State of Wyoming5,458$1.08M0.1%+13.9%0.010% 5/15/2025 Tema Etfs LLC40,658$8.01M2.4%+41.7%0.076% 5/15/2025 Trexquant Investment LP4,666$920K0.0%-65.5%0.009% 5/15/2025 Lansforsakringar Fondforvaltning AB publ 90,871$17.91M0.1%-25.8%0.170% 5/14/2025 Truvestments Capital LLC5,077$1.00M0.2%+10.2%0.009% Banks aren’t ready for this altcoin—are you? (Ad)While everyone's distracted by Bitcoin's moves, a stealth revolution is underway. One altcoin is quietly positioning itself to overthrow the entire banking system.Click here to access the full report now.5/14/2025 FORA Capital LLC3,167$624K0.1%N/A0.006% 5/14/2025 Cramer Rosenthal Mcglynn LLC125,394$24.72M1.8%+20.3%0.234% 5/14/2025 Corebridge Financial Inc.55,963$11.03M0.1%-2.4%0.104% 5/14/2025 Thematics Asset Management179,967$35.47M1.8%+0.2%0.336% 5/14/2025 Comerica Bank17,229$3.40M0.0%-2.4%0.032% 5/14/2025 MetLife Investment Management LLC28,139$5.55M0.0%-1.5%0.053% 5/14/2025 Campbell & CO Investment Adviser LLC17,317$3.41M0.3%N/A0.032% 5/14/2025 Southeast Asset Advisors LLC8,694$1.71M0.2%-25.8%0.016% 5/14/2025 Smartleaf Asset Management LLC359$71K0.0%-24.6%0.001% 5/14/2025 Groupe la Francaise8,380$1.67M0.0%-50.3%0.016% 5/14/2025 AlphaQuest LLC5,445$1.07M0.1%N/A0.010% 5/14/2025 Price T Rowe Associates Inc. MD273,255$53.86M0.0%-4.5%0.510% 5/14/2025 Martingale Asset Management L P20,158$3.97M0.1%-75.0%0.038% 5/14/2025 Tribune Investment Group LP65,000$12.81M5.5%N/A0.121% 5/14/2025 Candriam S.C.A.109,920$21.67M0.1%-0.8%0.205% 5/14/2025 Credit Agricole S A8,788$1.73M0.0%-79.4%0.016% 5/14/2025 Hsbc Holdings PLC10,536$2.06M0.0%N/A0.020% 5/14/2025 Maven Securities LTD3,046$600K0.0%N/A0.006% 5/14/2025 Fuller & Thaler Asset Management Inc.155,581$30.67M0.1%-3.6%0.290% 5/14/2025 Quantbot Technologies LP2,749$542K0.0%N/A0.005% 5/14/2025 Wellington Management Group LLP5,293,796$1.04B0.2%+30.9%9.880% 5/13/2025 Northern Trust Corp489,738$96.53M0.0%-1.7%0.914% 5/13/2025 Versor Investments LP2,082$410K0.1%N/A0.004% 5/13/2025 Algert Global LLC11,836$2.33M0.1%-54.7%0.022% 5/13/2025 Corient IA LLC2,000$394K0.3%N/A0.004% 5/13/2025 Northwest & Ethical Investments L.P.10,465$2.06M0.1%-14.8%0.020% 5/13/2025 Roberts Capital Advisors LLC8,057$1.59M1.4%-0.7%0.015% 5/13/2025 Raymond James Financial Inc.230,286$45.39M0.0%-8.6%0.430% 5/13/2025 Cresset Asset Management LLC88,892$17.52M0.1%+1.0%0.166% 5/13/2025 State of New Jersey Common Pension Fund D15,931$3.14M0.0%-10.4%0.030% 5/13/2025 American Century Companies Inc.306,047$60.32M0.0%-13.8%0.571% 5/13/2025 Ethic Inc.2,785$559K0.0%-10.0%0.005% 5/13/2025 Dimensional Fund Advisors LP658,565$129.80M0.0%-2.7%1.229% 5/13/2025 Horizon Investments LLC284$56K0.0%+42.0%0.001% 5/13/2025 Vestmark Advisory Solutions Inc.6,692$1.32M0.0%+17.8%0.012% 5/13/2025 Caitong International Asset Management Co. Ltd467$92K0.1%N/A0.001% 5/13/2025 LGT Group Foundation1,075$212K0.0%-38.5%0.002% 5/13/2025 Russell Investments Group Ltd.2,929$577K0.0%-81.9%0.005% 5/13/2025 HighTower Advisors LLC4,274$842K0.0%-46.7%0.008% 5/12/2025 Nuveen LLC107,439$21.18M0.0%N/A0.201% 5/12/2025 Aigen Investment Management LP2,694$531K0.1%N/A0.005% 5/12/2025 Entropy Technologies LP10,787$2.13M0.2%N/A0.020% 5/12/2025 Invesco Ltd.713,090$140.55M0.0%-55.1%1.331% 5/12/2025 Benjamin Edwards Inc.5,436$1.07M0.0%-6.2%0.010% 5/12/2025 Cynosure Group LLC1,689$333K0.0%+36.8%0.003% 5/12/2025 Townsquare Capital LLC1,661$327K0.0%+18.6%0.003% 5/12/2025 Citigroup Inc.263,352$51.91M0.0%+36.7%0.492% 5/12/2025 Swiss National Bank99,200$19.55M0.0%-1.7%0.185% 5/12/2025 Telemark Asset Management LLC110,000$21.68M2.8%-15.4%0.205% 5/12/2025 Jackson Square Partners LLC131,108$25.84M3.5%-16.9%0.245% New Rule Hits in July — The Smart Money Already Moved (Ad)A little-known regulation quietly goes into effect this July. 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We're talking about something they don't want you to notice — because the fewer people who act on this, the better it is for them.To help you get started, we're giving away a FREE Wealth Protection Guide that shows you exactly how5/12/2025 Maryland State Retirement & Pension System2,380$469K0.0%-15.5%0.004% 5/9/2025 Headlands Technologies LLC5,350$1.05M0.1%N/A0.010% 5/9/2025 Deutsche Bank AG19,025$3.75M0.0%+228.4%0.036% 5/9/2025 Charles Schwab Investment Management Inc.456,426$89.96M0.0%+2.6%0.852% 5/9/2025 Vanguard Group Inc.4,627,280$912.04M0.0%-0.7%8.636% 5/9/2025 Intrust Bank NA2,845$561K0.1%-2.0%0.005% 5/9/2025 Atria Wealth Solutions Inc.1,072$211K0.0%N/A0.002% 5/9/2025 New Age Alpha Advisors LLC10,270$2.02M0.1%-7.7%0.019% 5/9/2025 Smithfield Trust Co472$93K0.0%-40.3%0.001% 5/9/2025 M.D. Sass LLC347,335$68.46M6.0%+24.8%0.648% (Data available from 1/1/2016 forward) CLH Institutional Ownership - Frequently Asked Questions Who are the largest shareholders of CLH shares? During the previous two years, 587 institutional investors and hedge funds held shares of Clean Harbors. The most heavily invested institutionals were Wellington Management Group LLP ($1.04B), Vanguard Group Inc. ($912.04M), BlackRock Inc. ($712.42M), FMR LLC ($387.31M), Pictet Asset Management Holding SA ($381.60M), Janus Henderson Group PLC ($371.00M), and State Street Corp ($365.07M).Learn more on CLH's institutional investors. What percentage of Clean Harbors stock is owned by institutional investors? 90.43% of Clean Harbors stock is owned by institutional investors. Learn more on CLH's institutional investor holdings. Which institutional investors have been buying Clean Harbors stock? Of the 477 institutional investors that purchased Clean Harbors stock in the last 24 months, the following investors and hedge funds have bought the highest volume of shares: Wellington Management Group LLP ($2.13M), Norges Bank ($1.09M), Clearbridge Investments LLC ($996.46K), Pictet Asset Management Holding SA ($697.63K), UBS AM a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC ($507.57K), DAVENPORT & Co LLC ($379.76K), and Millennium Management LLC ($363.89K). How much institutional buying is happening at Clean Harbors? Institutional investors have bought a total of 15,900,885 shares in the last 24 months. This purchase volume represents approximately $3.22B in transactions. Which Clean Harbors major shareholders have been selling company stock? Of the 339 institutional investors that sold Clean Harbors stock in the last 24 months, the following investors and hedge funds have sold the highest volume of shares: Invesco Ltd. ($1.21M), Artemis Investment Management LLP ($1.06M), Select Equity Group L.P. ($780.45K), Dimensional Fund Advisors LP ($420.81K), Jackson Square Partners LLC ($377.23K), Victory Capital Management Inc. ($350.91K), and Wellington Management Group LLP ($350.36K). How much institutional selling is happening at Clean Harbors? Institutional investors have sold a total of 12,301,634 shares in the last 24 months. This volume of shares sold represents approximately $2.40B in transactions. 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