Clean Harbors (CLH) Institutional Ownership $292.75 -8.96 (-2.97%) Closing price 03:59 PM EasternExtended Trading$292.75 0.00 (0.00%) As of 07:50 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. Add Compare Share Share Ownership Stock AnalysisAnalyst ForecastsChartCompetitorsEarningsFinancialsHeadlinesInsider TradesOptions ChainOwnershipSEC FilingsShort InterestTrendsBuy This Stock Institutional Ownership Changes (13F Filings) for Clean Harbors (NYSE:CLH)CurrentInstitutional OwnershipPercentage90.43%Number ofInstitutional Buyers(last 12 months)349TotalInstitutional Inflows(last 12 months)$2.05BNumber ofInstitutional Sellers(last 12 months)281TotalInstitutional Outflows(last 12 months)$1.91B Get CLH Insider Trade Alerts Want to know when executives and insiders are buying or selling Clean Harbors stock? 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Skip Chart & View Institutional Buying and Selling Data CLH Institutional Buying and Selling by Quarter Clean Harbors Major Shareholders & Ownership History ExportReporting DateMajor Shareholder NameShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails5/19/2026 Bank of America Corp DE311,907$89.43M0.0%-24.1%0.590% 5/19/2026 Edgestream Partners L.P.869$249K0.0%N/A0.002% 5/19/2026 Janus Henderson Group PLC2,355,394$675.37M0.3%-0.9%4.457% 5/19/2026 South Dakota Investment Council5,829$1.67M0.0%-7.9%0.011% 5/18/2026 Amundi106,516$30.54M0.0%-43.2%0.202% 5/18/2026 EverSource Wealth Advisors LLC9,948$2.85M0.1%+0.6%0.019% 5/18/2026 California State Teachers Retirement System59,158$16.96M0.0%+22.5%0.112% 5/18/2026 Royal Bank of Canada104,313$29.91M0.0%-8.8%0.197% 5/18/2026 Rithm Capital Corp.4,000$1.15M1.7%+8.1%0.008% 5/18/2026 Empowered Funds LLC14,940$4.28M0.0%+311.5%0.028% 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. 5/16/2026 The Manufacturers Life Insurance Company 36,801$10.55M0.0%-2.1%0.070% 5/16/2026 Quantinno Capital Management LP380,945$109.23M0.2%+15.4%0.721% 5/15/2026 Visualize Group LP96,300$27.61M11.4%N/A0.182% 5/15/2026 Lombard Odier Asset Management Europe Ltd15,786$4.53M0.2%-68.5%0.030% 5/15/2026 Entropy Technologies LP11,072$3.18M0.1%N/A0.021% 5/14/2026 Public Employees Retirement System of Ohio14,743$4.23M0.0%-3.3%0.028% 5/14/2026 M.D. Sass LLC252,540$72.41M5.5%-24.4%0.478% 5/14/2026 Compound Planning Inc.1,335$383K0.0%+22.4%0.003% 5/14/2026 Cloverfields Capital Group LP3,218$923K0.3%N/A0.006% 5/14/2026 Atika Capital Management LLC21,855$6.27M0.8%+628.5%0.041% 5/14/2026 Bank of Nova Scotia1,576$452K0.0%N/A0.003% 5/14/2026 Sei Investments Co.37,416$10.73M0.0%+15.9%0.071% 5/13/2026 Cetera Investment Advisers16,291$4.67M0.0%-3.2%0.031% 5/13/2026 NewEdge Wealth LLC1,797$515K0.0%+10.9%0.003% 5/13/2026 CI Investments Inc.20,260$5.81M0.0%-50.6%0.038% 5/13/2026 First Trust Advisors LP778,441$223.20M0.2%+10.0%1.473% 5/12/2026 Danica Pension Livsforsikringsaktieselskab37,094$10.64M0.2%-11.5%0.070% 5/8/2026 PNC Financial Services Group Inc.6,726$1.93M0.0%+11.6%0.013% 5/7/2026 Dimensional Fund Advisors LP608,709$174.52M0.0%-1.8%1.142% 5/7/2026 KBC Group NV1,560$447K0.0%+24.3%0.003% 5/7/2026 Swiss National Bank100,400$28.79M0.0%-0.1%0.188% 5/7/2026 World Equity Group Inc.962$276K0.1%N/A0.002% 5/6/2026 California Public Employees Retirement System104,730$30.03M0.0%-2.9%0.196% 5/6/2026 Kera Capital Partners Inc.2,876$825K0.1%-4.2%0.005% 5/6/2026 Assetmark Inc.430$123K0.0%+8.9%0.001% 5/6/2026 C WorldWide Group Holding A S49,871$14.30M0.3%+3.3%0.094% 5/6/2026 Bessemer Group Inc.932,027$267.24M0.4%+1.8%1.748% 5/6/2026 Independent Financial Group LLC949$272K0.0%N/A0.002% 5/5/2026 D.A. Davidson & CO.840$241K0.0%-7.2%0.002% 5/5/2026 Sanctuary Advisors LLC1,499$430K0.0%+9.7%0.003% $30 stock to buy before Starlink goes public (WATCH NOW!) (Ad)A little-known stock pick with money-doubling potential over the next year is revealed for free in the first three minutes of a new video. This company is a critical piece of Elon Musk's fast-growing Starlink technology. It could climb 100 percent or more over the next year as Elon brings Starlink public in what may be the biggest IPO in history. No credit card is required to get the ticker.Watch the free video to get the ticker today.5/5/2026 Maryland State Retirement & Pension System2,702$775K0.0%+13.5%0.005% 5/4/2026 Empirical Financial Services LLC d.b.a. Empirical Wealth Management2,754$790K0.0%+34.7%0.005% 5/4/2026 State of Michigan Retirement System12,107$3.47M0.0%+1.7%0.023% 5/4/2026 Principal Financial Group Inc.112,106$32.14M0.0%+3.8%0.210% 5/4/2026 Chicago Partners Investment Group LLC3,598$1.10M0.0%+11.7%0.007% 5/4/2026 Triglav Investments D.O.O.1,502$431K0.0%+7.4%0.003% 5/4/2026 Y.D. More Investments Ltd1,826$524K0.0%N/A0.003% 5/4/2026 J. Safra Sarasin Holding AG52,198$14.93M0.3%-4.5%0.098% 5/4/2026 Teachers Retirement System of The State of Kentucky20,205$5.79M0.0%-1.1%0.038% 5/2/2026 SFE Investment Counsel3,750$1.08M0.2%-1.6%0.007% 5/1/2026 Fifth Third Bancorp14,771$4.24M0.0%+2,088.3%0.028% 5/1/2026 Candriam S.C.A.36,781$10.55M0.1%+19.8%0.069% 5/1/2026 Sequoia Financial Advisors LLC791$227K0.0%-58.4%0.001% 5/1/2026 Cedar Mountain Advisors LLC405$116K0.0%N/A0.001% 4/30/2026 Hsbc Holdings PLC22,460$6.40M0.0%N/A0.042% 4/30/2026 Kestra Advisory Services LLC1,188$341K0.0%-22.1%0.002% 4/30/2026 Oregon Public Employees Retirement Fund10,316$2.96M0.0%+2.8%0.019% 4/30/2026 Quantum Portfolio Management LLC3,420$981K0.0%-6.1%0.006% 4/29/2026 Lmcg Investments LLC4,760$1.37M0.1%-12.4%0.009% 4/29/2026 Swedbank AB110,000$31.54M0.0%-26.7%0.206% 4/28/2026 Abel Hall LLC1,266$363K0.1%N/A0.002% 4/28/2026 Stephens Inc. AR2,832$812K0.0%-18.8%0.005% 4/28/2026 K.J. Harrison & Partners Inc12,295$3.53M0.6%-6.1%0.023% 4/28/2026 Praxis Investment Management Inc.1,585$454K0.0%+12.4%0.003% 4/28/2026 Koshinski Asset Management Inc.1,223$351K0.0%+36.3%0.002% 4/28/2026 QRG Capital Management Inc.948$272K0.0%N/A0.002% 4/27/2026 HB Wealth Management LLC1,405$403K0.0%+38.7%0.003% 4/27/2026 World Investment Advisors799$229K0.0%N/A0.001% 4/27/2026 New York State Teachers Retirement System56,124$16.09M0.0%-2.8%0.105% 4/27/2026 Optas LLC2,666$764K0.1%-40.6%0.005% 4/27/2026 Leonteq Securities AG1,354$388K0.0%-8.1%0.003% 4/27/2026 Platform Technology Partners989$284K0.1%N/A0.002% 4/27/2026 Fideuram Intesa Sanpaolo Private Banking S.P.A.16,997$4.87M0.2%+94.4%0.032% 4/25/2026 Strs Ohio33,312$9.55M0.0%+55.6%0.062% 4/25/2026 Keybank National Association OH1,303$374K0.0%-6.0%0.002% 4/24/2026 Root Financial Partners LLC241$69K0.0%+99.2%0.000% 4/24/2026 Fulton Bank N.A.3,239$929K0.0%-8.3%0.006% 4/24/2026 Trinity Street Asset Management LLP109,391$31.37M2.2%-6.6%0.205% 4/22/2026 Janney Montgomery Scott LLC3,588$1.03M0.0%-1.6%0.007% 4/22/2026 Cornerstone Wealth Group LLC1,141$348K0.0%-11.6%0.002% 4/22/2026 Fort Washington Investment Advisors Inc. OH71,277$20.44M0.1%-22.3%0.134% 4/22/2026 Border to Coast Pensions Partnership Ltd45,000$12.94M0.2%-25.0%0.084% 4/22/2026 Pictet Asset Management Holding SA1,242,142$356.09M0.4%-34.1%2.330% 4/22/2026 Union Bancaire Privee UBP SA9,136$2.55M0.0%-39.6%0.017% 4/22/2026 Sterling Capital Management LLC2,052$588K0.0%-39.4%0.004% 4/22/2026 Venturi Wealth Management LLC2,058$590K0.0%+22.7%0.004% 4/21/2026 Maridea Wealth Management LLC6,858$1.97M0.3%+19.4%0.013% 4/21/2026 Aaron Wealth Advisors LLC4,279$1.23M0.1%-11.8%0.008% 4/21/2026 Louisiana State Employees Retirement System14,600$4.19M0.1%N/A0.027% 4/21/2026 Fairvoy Private Wealth LLC2,156$618K0.1%N/A0.004% $30 stock to buy before Starlink goes public (WATCH NOW!) (Ad)A little-known stock pick with money-doubling potential over the next year is revealed for free in the first three minutes of a new video. This company is a critical piece of Elon Musk's fast-growing Starlink technology. It could climb 100 percent or more over the next year as Elon brings Starlink public in what may be the biggest IPO in history. No credit card is required to get the ticker.Watch the free video to get the ticker today.4/21/2026 Fiduciary Alliance LLC2,356$697K0.0%-8.3%0.004% 4/20/2026 Fifth Third Wealth Advisors LLC2,121$608K0.0%+2.9%0.004% 4/20/2026 OP Asset Management Ltd99,201$28.44M0.3%N/A0.186% 4/20/2026 Assenagon Asset Management S.A.48,943$14.03M0.0%-53.7%0.092% 4/18/2026 Leeward Investments LLC MA140,651$40.33M2.0%-3.0%0.264% 4/18/2026 Steph & Co.338$97K0.0%-11.7%0.001% 4/18/2026 Murphy & Mullick Capital Management Corp3,806$1.09M0.8%-1.0%0.007% 4/17/2026 Mountain Pacific Investment Advisers LLC23,432$6.72M1.2%-1.0%0.044% 4/16/2026 SG Americas Securities LLC26,384$7.57M0.0%-57.9%0.049% 4/16/2026 Vaughan Nelson Investment Management L.P.386,540$110.83M1.1%+4.2%0.725% CLH Institutional Ownership - Frequently Asked Questions Who are the largest shareholders of CLH shares? During the previous two years, 662 institutional investors and hedge funds held shares of Clean Harbors. The most heavily invested institutionals were Wellington Management Group LLP ($1.22B), Vanguard Group Inc. ($1.05B), Janus Henderson Group PLC ($675.37M), FMR LLC ($387.31M), Pictet Asset Management Holding SA ($356.09M), State Street Corp ($352.45M), and Clearbridge Investments LLC ($311.72M).Learn more on Clean Harbors' 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 558 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 ($1.94M), Norges Bank ($1.88M), Nordea Investment Management AB ($1.04M), Pictet Asset Management Holding SA ($697.63K), Durable Capital Partners LP ($573.67K), UBS AM a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC ($507.57K), and William Blair Investment Management LLC ($411.43K). How much institutional buying is happening at Clean Harbors? Institutional investors have bought a total of 8,719,316 shares in the last 24 months. This purchase volume represents approximately $2.05B in transactions. Which of Clean Harbors' major shareholders have been selling company stock? Of the 281 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: Pictet Asset Management Holding SA ($829.37K), Wellington Management Group LLP ($582.47K), Invesco Ltd. ($352.54K), Impax Asset Management Group plc ($334.65K), Handelsbanken Fonder AB ($289.45K), Franklin Resources Inc. ($246.63K), and Federated Hermes Inc. ($236.67K). How much institutional selling is happening at Clean Harbors? Institutional investors have sold a total of 7,905,553 shares in the last 24 months. This volume of shares sold represents approximately $1.91B in transactions. Related Companies Cross Country Healthcare Institutional Ownership Verisk Analytics Institutional Ownership Aptiv Institutional Ownership Republic Services Institutional Ownership Rollins Institutional Ownership Tetra Tech Institutional Ownership Casella Waste Systems Institutional Ownership ABM Industries Institutional Ownership Team Institutional Ownership Waste Management Institutional Ownership This page (NYSE:CLH) was last updated on 5/19/2026 by MarketBeat.com Staff. 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