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Clean Harbors (CLH) Institutional Ownership

Clean Harbors logo
$308.17 +0.53 (+0.17%)
Closing price 08/7/2026 03:59 PM Eastern
Extended Trading
$308.25 +0.08 (+0.03%)
As of 08/7/2026 07:45 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 Clean Harbors (NYSE:CLH)

Current
Institutional Ownership
Percentage
90.43%
Number of
Institutional Buyers
(last 12 months)
331
Total
Institutional Inflows
(last 12 months)
$3.54B
Number of
Institutional Sellers
(last 12 months)
265
Total
Institutional Outflows
(last 12 months)
$1.71B
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CLH Institutional Buying and Selling by Quarter

Clean Harbors Major Shareholders & Ownership History

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Reporting DateMajor Shareholder NameShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails
8/8/2026 M.D. Sass LLC270,507$80.81M5.3%N/A0.512%
8/7/2026 Citizens Financial Group Inc. RI696$208K0.0%N/A0.001%
8/7/2026 K.J. Harrison & Partners Inc10,225$3.06M0.4%N/A0.019%
8/7/2026 BlackRock Inc.5,076,220$1.52B0.0%N/A9.616%
8/7/2026 Deutsche Bank AG51,836$15.49M0.0%N/A0.098%
8/7/2026 Perigon Wealth Management LLC1,468$439K0.0%N/A0.003%
8/7/2026 TimesSquare Capital Management LLC6,796$2.03M0.0%N/A0.013%
8/7/2026 Mitsubishi UFJ Asset Management Co. Ltd.119$36K0.0%N/A0.000%
8/7/2026 Simplicity Wealth LLC3,621$1.08M0.0%N/A0.007%
8/6/2026 Global Retirement Partners LLC2,769$827K0.0%N/A0.005%
8/6/2026 Bank of New York Mellon Corp354,685$105.96M0.0%N/A0.672%
8/6/2026 Focus Partners Advisor Solutions LLC854$255K0.0%N/A0.002%
8/6/2026 State of Wyoming777$232K0.0%N/A0.001%
8/6/2026 S&CO Inc.1,200$358K0.0%N/A0.002%
8/6/2026 Maridea Wealth Management LLC7,065$2.11M0.2%N/A0.013%
8/5/2026 SFE Investment Counsel3,675$1.10M0.1%N/A0.007%
8/3/2026 Oppenheimer Asset Management Inc.39,014$11.66M0.1%N/A0.074%
7/10/2026 Trinity Street Asset Management LLP97,925$29.26M1.5%-10.5%0.185%
7/10/2026 Regent Peak Wealth Advisors LLC681$203K0.0%N/A0.001%
7/10/2026 Handelsbanken Fonder AB65,529$19.58M0.1%-29.8%0.124%
7/10/2026 Fulton Bank N.A.3,509$1.05M0.0%+8.3%0.007%
7/9/2026 Revolve Wealth Partners LLC2,735$817K0.1%N/A0.005%
7/8/2026 Gradient Investments LLC10,687$3.19M0.0%+5.0%0.020%
7/8/2026 Quantum Financial Advisors LLC686$205K0.0%N/A0.001%
7/8/2026 Trust Point Inc.705$211K0.0%N/A0.001%
7/8/2026 Assenagon Asset Management S.A.72,519$21.67M0.0%+48.2%0.137%
7/7/2026 GAMMA Investing LLC1,341$401K0.0%+8.4%0.003%
7/7/2026 Avior Wealth Management LLC1,262$377K0.0%-16.7%0.002%
7/7/2026 Central Pacific Bank Trust Division640$191K0.0%+23.1%0.001%
7/7/2026 CoreCap Advisors LLC261$78K0.0%-41.0%0.000%
7/2/2026 MassMutual Private Wealth & Trust FSB1,056$315K0.0%-9.0%0.002%
7/2/2026 Versant Capital Management Inc2,547$761K0.1%-6.3%0.005%
6/15/2026Lombard Odier Asset Management Europe Ltd15,786$4.53M0.0%-68.5%0.030%
6/3/2026NewEdge Advisors LLC1,995$572K0.0%+2.6%0.004%
5/22/2026 Verus Capital Partners LLC886$254K0.0%N/A0.002%
5/21/2026Groupe la Francaise10,300$2.95M0.0%-4.5%0.019%
5/19/2026Bank of America Corp DE311,907$89.43M0.0%-24.1%0.590%
5/19/2026Edgestream Partners L.P.869$249K0.0%N/A0.002%
5/19/2026Janus Henderson Group PLC2,355,394$675.37M0.3%-0.9%4.457%
5/19/2026South Dakota Investment Council5,829$1.67M0.0%-7.9%0.011%
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5/18/2026Amundi106,516$30.54M0.0%-43.2%0.202%
5/18/2026 EverSource Wealth Advisors LLC9,948$2.85M0.1%+0.6%0.019%
5/18/2026California State Teachers Retirement System59,158$16.96M0.0%+22.5%0.112%
5/18/2026Royal Bank of Canada104,313$29.91M0.0%-8.8%0.197%
5/18/2026Rithm Capital Corp.4,000$1.15M1.7%+8.1%0.008%
5/18/2026Empowered Funds LLC14,940$4.28M0.0%+311.5%0.028%
5/16/2026The Manufacturers Life Insurance Company36,801$10.55M0.0%-2.1%0.070%
5/16/2026Quantinno Capital Management LP380,945$109.23M0.2%+15.4%0.721%
5/15/2026Visualize Group LP96,300$27.61M11.4%N/A0.182%
5/15/2026Lombard Odier Asset Management Europe Ltd15,786$4.53M0.2%-68.5%0.030%
5/15/2026Entropy Technologies LP11,072$3.18M0.1%N/A0.021%
5/14/2026Public 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%
5/14/2026Cloverfields Capital Group LP3,218$923K0.3%N/A0.006%
5/14/2026Atika Capital Management LLC21,855$6.27M0.8%+628.5%0.041%
5/14/2026Bank of Nova Scotia1,576$452K0.0%N/A0.003%
5/14/2026Sei Investments Co.37,416$10.73M0.0%+15.9%0.071%
5/13/2026Cetera Investment Advisers16,291$4.67M0.0%-3.2%0.031%
5/13/2026NewEdge Wealth LLC1,797$515K0.0%+10.9%0.003%
5/13/2026CI Investments Inc.20,260$5.81M0.0%-50.6%0.038%
5/13/2026First Trust Advisors LP778,441$223.20M0.2%+10.0%1.473%
5/12/2026Danica 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%
5/7/2026Dimensional Fund Advisors LP608,709$174.52M0.0%-1.8%1.142%
5/7/2026 KBC Group NV1,560$447K0.0%+24.3%0.003%
5/7/2026Swiss National Bank100,400$28.79M0.0%-0.1%0.188%
5/7/2026 World Equity Group Inc.962$276K0.1%N/A0.002%
5/6/2026California Public Employees Retirement System104,730$30.03M0.0%-2.9%0.196%
5/6/2026Kera 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%
5/6/2026Bessemer 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%
5/5/2026Sanctuary Advisors LLC1,499$430K0.0%+9.7%0.003%
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%
5/4/2026Triglav 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%
5/4/2026Teachers 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%
5/1/2026Candriam 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%
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4/30/2026Hsbc 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%
4/30/2026Quantum 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%


CLH Institutional Ownership - Frequently Asked Questions

During the previous two years, 659 institutional investors and hedge funds held shares of Clean Harbors. The most heavily invested institutionals were BlackRock Inc. ($1.52B), 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), and State Street Corp ($352.45M).Learn more on Clean Harbors' institutional investors.

90.43% of Clean Harbors' stock is owned by institutional investors. Learn more on CLH's institutional investor holdings.

Of the 552 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: BlackRock Inc. ($5.08M), 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), and UBS AM a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC ($507.57K).

Institutional investors have bought a total of 13,442,736 shares in the last 24 months. This purchase volume represents approximately $3.54B in transactions.

Of the 265 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), Handelsbanken Fonder AB ($317.27K), Franklin Resources Inc. ($246.63K), Federated Hermes Inc. ($236.67K), and Impax Asset Management Group plc ($207.65K).

Institutional investors have sold a total of 7,030,667 shares in the last 24 months. This volume of shares sold represents approximately $1.71B in transactions.


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Institutional ownership data for NYSE:CLH is compiled from quarterly 13F filings submitted to the U.S. Securities and Exchange Commission (SEC), with the most recent received on 8/8/2026. New 13F filings are added each quarter as they're published.
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