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Clean Harbors Inc

CLH
Exchange
NYSE
Industry
Hazardous Waste Management
SEC CIK
0000822818

In the last 90 days, Clean Harbors Inc insiders filed 0 open-market purchases and 5 sales; 663 institutions reported holding it in 13F filings for Q2 2026, worth $14.8B in total; D1 Capital Partners is the only superinvestor holding it.

13F holders, Q2 2025

Institutional positions in Clean Harbors Inc as of Jun 30, 2025. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders
579
+19 vs. Q1 2025
Shares held
49.1M
+377.7K (+0.8%) vs. Q1 2025
Total value
$11.4B
+$1.75B (+18.2%) vs. Q1 2025
New holders
75
169 more added
Sold out
56
227 more reduced

3 institutions that held it in Q1 2025 haven't filed for Q2 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 2025: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting CLH on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ2 2025: 579 institutions
Q1 2021: 289 institutionsQ2 2021: 286 institutionsQ3 2021: 309 institutionsQ4 2021: 327 institutionsQ1 2022: 345 institutionsQ2 2022: 337 institutionsQ3 2022: 369 institutionsQ4 2022: 380 institutionsQ1 2023: 405 institutionsQ2 2023: 417 institutionsQ3 2023: 421 institutionsQ4 2023: 450 institutionsQ1 2024: 481 institutionsQ2 2024: 518 institutionsQ3 2024: 572 institutionsQ4 2024: 573 institutionsQ1 2025: 563 institutionsQ2 2025: 579 institutionsQ3 2025: 569 institutionsQ4 2025: 568 institutionsQ1 2026: 626 institutionsQ2 2026: 663 institutions
Value heldQ2 2025: $11.4B
Q1 2021: $4.07BQ2 2021: $4.48BQ3 2021: $5.02BQ4 2021: $4.78BQ1 2022: $5.38BQ2 2022: $4.23BQ3 2022: $5.31BQ4 2022: $5.49BQ1 2023: $6.88BQ2 2023: $8.16BQ3 2023: $8.31BQ4 2023: $8.50BQ1 2024: $9.67BQ2 2024: $10.9BQ3 2024: $11.5BQ4 2024: $11.3BQ1 2025: $9.61BQ2 2025: $11.4BQ3 2025: $11.6BQ4 2025: $12.1BQ1 2026: $14.1BQ2 2026: $14.8B
Institutions holding CLH and their total value by quarter
QuarterHoldersValue
Q2 2026663$14.8B
Q1 2026626$14.1B
Q4 2025568$12.1B
Q3 2025569$11.6B
Q2 2025579$11.4B
Q1 2025563$9.61B
Q4 2024573$11.3B
Q3 2024572$11.5B
Q2 2024518$10.9B
Q1 2024481$9.67B
Q4 2023450$8.50B
Q3 2023421$8.31B
Q2 2023417$8.16B
Q1 2023405$6.88B
Q4 2022380$5.49B
Q3 2022369$5.31B
Q2 2022337$4.23B
Q1 2022345$5.38B
Q4 2021327$4.78B
Q3 2021309$5.02B
Q2 2021286$4.48B
Q1 2021289$4.07B

Institutions, Q2 2025

Shares, value and share of portfolio for each institution holding Clean Harbors Inc; share changes are against Q1 2025.

Institutions holding CLH in Q2 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Simon Quick Advisors, LLC1,337$309.1K0.02%−761−36.3%Reduced
Keybank National Association1,363$315.1K0.00%−190−12.2%Reduced
Traynor Capital Management, Inc.1,385$317.9K0.02%−200−12.6%Reduced
Modern Wealth Management, LLC1,379$318.8K0.01%+120+9.5%Added
Strategic Advocates LLC1,381$319.3K0.09%00.0%Unchanged
Forum Financial Management, LP1,394$322.3K0.00%−27−1.9%Reduced
Everence Capital Management Inc1,410$326.0K0.02%00.0%Unchanged
Stephenson National Bank & Trust1,422$328.7K0.11%−332−18.9%Reduced
Shell Asset Management Co1,444$334.0K0.01%−240−14.3%Reduced
Yorktown Management & Research Co Inc1,450$335.2K0.32%00.0%Unchanged
Commerce Bank1,477$341.5K0.00%−260−15.0%Reduced
Aristeia Capital LLC1,482$342.6K0.01%−953−39.1%Reduced
Nelson, Van Denburg & Campbell Wealth Management Group, LLC1,505$347.9K0.01%+1,505New
111 Capital1,524$352.3K0.06%+337+28.4%Added
Pacer Advisors, Inc.1,536$355.1K0.00%+1,536New
Flagship Harbor Advisors, LLC1,538$355.6K0.02%−118−7.1%Reduced
Concurrent Investment Advisors, LLC1,543$356.7K0.01%+484+45.7%Added
Bradley Foster & Sargent Inc1,549$358.1K0.01%00.0%Unchanged
Nebula Research & Development LLC1,551$358.6K0.03%−494−24.2%Reduced
Bridgewater Associates, LP1,560$360.6K0.00%+1,560New
Thomasville National Bank1,566$362.0K0.02%00.0%Unchanged
Quest Partners LLC1,579$365.0K0.04%−3,866−71.0%Reduced
Panagora Asset Management Inc1,601$370.1K0.00%00.0%Unchanged
Advisor Resource Council1,620$374.5K0.18%−13,857−89.5%Reduced
CIBC Asset Management Inc1,682$388.8K0.00%00.0%Unchanged
Cynosure Management, LLC1,689$390.5K0.04%00.0%Unchanged
Wedbush Securities Inc1,757$406.0K0.01%−250−12.5%Reduced
Generali Investments CEE, investicni spolecnost, a.s.1,810$418.4K0.03%00.0%Unchanged
MQS Management LLC1,839$425.1K0.23%−1,784−49.2%Reduced
Guggenheim Capital LLC1,902$439.7K0.00%−160−7.8%Reduced
Amica Retiree Medical Trust1,921$444.0K0.64%00.0%Unchanged
Moody Aldrich Partners LLC1,963$453.8K0.09%−32−1.6%Reduced
Resources Investment Advisors, LLC.1,972$455.9K0.01%+12+0.6%Added
Corient IA LLC2,000$462.4K0.27%00.0%Unchanged
Maven Securities LTD2,036$470.7K0.12%−1,010−33.2%Reduced
HMS Capital Management, LLC2,044$472.5K0.21%−27−1.3%Reduced
Algebris (UK) Ltd2,049$472.9K0.07%+832+68.4%Added
Fifth Third Wealth Advisors LLC2,060$476.2K0.02%+35+1.7%Added
Ieq Capital, LLC2,076$479.9K0.00%+2,076New
Point72 (DIFC) Ltd2,126$491.6K0.04%−4,113−65.9%Reduced
Steward Partners Investment Advisory, LLC2,129$492.2K0.00%+172+8.8%Added
Putney Financial Group LLC2,145$495.9K0.50%00.0%Unchanged
RWC Asset Management LLP2,154$498.0K0.03%+2,154New
Blair William & Co2,172$502.1K0.00%+237+12.2%Added
Equitable Trust Co2,225$514.4K0.03%00.0%Unchanged
ProShare Advisors LLC2,233$516.2K0.00%+75+3.5%Added
Outlook Wealth Advisors, LLC2,250$520.2K0.13%00.0%Unchanged
Rithm Capital Corp.2,300$531.7K1.06%00.0%Unchanged
Integrated Wealth Concepts LLC2,304$532.6K0.01%+117+5.3%Added
Nomura Holdings Inc2,314$535.0K0.00%+2,314New
Tower Research Capital LLC (TRC)2,336$540.0K0.01%+678+40.9%Added
SkyView Investment Advisors, LLC2,378$549.0K0.08%+53+2.3%Added
Maryland State Retirement & Pension System2,380$550.2K0.01%00.0%Unchanged
Bridgefront Capital, LLC2,382$550.7K0.15%+2,382New
Jump Financial, LLC2,398$554.4K0.01%+2,398New
HSBC Holdings PLC2,420$559.9K0.00%−8,116−77.0%Reduced
Greenland Capital Management LP2,453$567.1K0.07%+2,453New
CI Private Wealth, LLC2,500$567.1K0.00%+134+5.7%Added
Coldstream Capital Management Inc2,494$576.6K0.01%−2−0.1%Reduced
Wetherby Asset Management Inc2,644$611.2K0.03%+2,644New
Pitcairn Co2,657$614.2K0.04%−386−12.7%Reduced
Dynasty Wealth Management, LLC2,677$618.9K0.01%−538−16.7%Reduced
Crossmark Global Holdings, Inc.2,693$622.6K0.01%−527−16.4%Reduced
Utah Retirement Systems2,700$624.2K0.01%00.0%Unchanged
Intrust Bank NA2,830$654.2K0.06%−15−0.5%Reduced
Leonteq Securities AG2,849$658.6K0.04%−16−0.6%Reduced
Illinois Municipal Retirement Fund2,878$665.3K0.01%−5,059−63.7%Reduced
Hantz Financial Services, Inc.2,886$667.0K0.01%+41+1.4%Added
Winton Group Ltd2,900$670.4K0.03%+2,900New
Gilder Gagnon Howe & Co LLC2,987$690.5K0.01%−125−4.0%Reduced
Virtu Financial LLC3,036$702.0K0.04%+3,036New
Fiduciary Alliance LLC3,043$703.5K0.05%−281−8.5%Reduced
Custom Index Systems, LLC3,072$710.2K0.34%+1,282+71.6%Added
Aptus Capital Advisors, LLC3,188$736.9K0.01%+127+4.1%Added
Uniting Wealth Partners, LLC3,200$739.8K0.29%−100−3.0%Reduced
Fox Run Management, L.L.C.3,205$740.9K0.12%+3,205New
Alamea Verwaltungs GmbH3,225$745.6K0.56%+414+14.7%Added
Lazard Freres Gestion S.A.S.3,240$749.0K0.02%+300+10.2%Added
Y-Intercept (Hong Kong) Ltd3,245$750.2K0.02%−3,919−54.7%Reduced
Ethic Inc.3,272$756.0K0.01%+487+17.5%Added
Genesee Capital Advisors, LLC3,364$777.7K0.35%+206+6.5%Added
Legato Capital Management LLC3,367$778.4K0.09%00.0%Unchanged
Aigen Investment Management, LP3,414$789.2K0.11%+720+26.7%Added
MML Investors Services, LLC3,472$803.0K0.00%−433−11.1%Reduced
Wealth Enhancement Advisory Services, LLC3,472$813.0K0.00%+27+0.8%Added
Stephens Inc3,547$820.0K0.01%+122+3.6%Added
Janney Montgomery Scott LLC3,620$837.0K0.00%−4,690−56.4%Reduced
Fulton Bank, N.A.3,737$863.9K0.03%−30−0.8%Reduced
Sterling Capital Management LLC3,741$864.8K0.01%+589+18.7%Added
Oppenheimer & Co Inc3,819$882.9K0.01%+865+29.3%Added
Axq Capital, LP3,819$882.9K0.29%+2,225+139.6%Added
Aquatic Capital Management LLC3,837$887.0K0.02%−21,377−84.8%Reduced
Simplicity Wealth,LLC3,880$897.0K0.04%+835+27.4%Added
Quadrant Capital Group LLC3,893$900.0K0.03%+1,031+36.0%Added
Securian Asset Management, Inc3,901$901.8K0.03%00.0%Unchanged
D. E. Shaw & Co., Inc.3,963$916.2K0.00%−107,743−96.5%Reduced
O'Shaughnessy Asset Management, LLC3,966$916.9K0.01%+347+9.6%Added
Murphy & Mullick Capital Management Corp3,914$923.0K0.75%00.0%Unchanged
Advisor Group Holdings, Inc.3,993$923.1K0.00%−183−4.4%Reduced
Nisa Investment Advisors, LLC4,167$963.3K0.00%+3+0.1%Added