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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
Y-Intercept (Hong Kong) Ltd3,245$750.2K0.02%−3,919−54.7%Reduced
Lazard Freres Gestion S.A.S.3,240$749.0K0.02%+300+10.2%Added
Alamea Verwaltungs GmbH3,225$745.6K0.56%+414+14.7%Added
Fox Run Management, L.L.C.3,205$740.9K0.12%+3,205New
Uniting Wealth Partners, LLC3,200$739.8K0.29%−100−3.0%Reduced
Aptus Capital Advisors, LLC3,188$736.9K0.01%+127+4.1%Added
Custom Index Systems, LLC3,072$710.2K0.34%+1,282+71.6%Added
Fiduciary Alliance LLC3,043$703.5K0.05%−281−8.5%Reduced
Virtu Financial LLC3,036$702.0K0.04%+3,036New
Gilder Gagnon Howe & Co LLC2,987$690.5K0.01%−125−4.0%Reduced
Winton Group Ltd2,900$670.4K0.03%+2,900New
Hantz Financial Services, Inc.2,886$667.0K0.01%+41+1.4%Added
Illinois Municipal Retirement Fund2,878$665.3K0.01%−5,059−63.7%Reduced
Leonteq Securities AG2,849$658.6K0.04%−16−0.6%Reduced
Intrust Bank NA2,830$654.2K0.06%−15−0.5%Reduced
Utah Retirement Systems2,700$624.2K0.01%00.0%Unchanged
Crossmark Global Holdings, Inc.2,693$622.6K0.01%−527−16.4%Reduced
Dynasty Wealth Management, LLC2,677$618.9K0.01%−538−16.7%Reduced
Pitcairn Co2,657$614.2K0.04%−386−12.7%Reduced
Wetherby Asset Management Inc2,644$611.2K0.03%+2,644New
Coldstream Capital Management Inc2,494$576.6K0.01%−2−0.1%Reduced
CI Private Wealth, LLC2,500$567.1K0.00%+134+5.7%Added
Greenland Capital Management LP2,453$567.1K0.07%+2,453New
HSBC Holdings PLC2,420$559.9K0.00%−8,116−77.0%Reduced
Jump Financial, LLC2,398$554.4K0.01%+2,398New
Bridgefront Capital, LLC2,382$550.7K0.15%+2,382New
Maryland State Retirement & Pension System2,380$550.2K0.01%00.0%Unchanged
SkyView Investment Advisors, LLC2,378$549.0K0.08%+53+2.3%Added
Tower Research Capital LLC (TRC)2,336$540.0K0.01%+678+40.9%Added
Nomura Holdings Inc2,314$535.0K0.00%+2,314New
Integrated Wealth Concepts LLC2,304$532.6K0.01%+117+5.3%Added
Rithm Capital Corp.2,300$531.7K1.06%00.0%Unchanged
Outlook Wealth Advisors, LLC2,250$520.2K0.13%00.0%Unchanged
ProShare Advisors LLC2,233$516.2K0.00%+75+3.5%Added
Equitable Trust Co2,225$514.4K0.03%00.0%Unchanged
Blair William & Co2,172$502.1K0.00%+237+12.2%Added
RWC Asset Management LLP2,154$498.0K0.03%+2,154New
Putney Financial Group LLC2,145$495.9K0.50%00.0%Unchanged
Steward Partners Investment Advisory, LLC2,129$492.2K0.00%+172+8.8%Added
Point72 (DIFC) Ltd2,126$491.6K0.04%−4,113−65.9%Reduced
Ieq Capital, LLC2,076$479.9K0.00%+2,076New
Fifth Third Wealth Advisors LLC2,060$476.2K0.02%+35+1.7%Added
Algebris (UK) Ltd2,049$472.9K0.07%+832+68.4%Added
HMS Capital Management, LLC2,044$472.5K0.21%−27−1.3%Reduced
Maven Securities LTD2,036$470.7K0.12%−1,010−33.2%Reduced
Corient IA LLC2,000$462.4K0.27%00.0%Unchanged
Resources Investment Advisors, LLC.1,972$455.9K0.01%+12+0.6%Added
Moody Aldrich Partners LLC1,963$453.8K0.09%−32−1.6%Reduced
Amica Retiree Medical Trust1,921$444.0K0.64%00.0%Unchanged
Guggenheim Capital LLC1,902$439.7K0.00%−160−7.8%Reduced
MQS Management LLC1,839$425.1K0.23%−1,784−49.2%Reduced
Generali Investments CEE, investicni spolecnost, a.s.1,810$418.4K0.03%00.0%Unchanged
Wedbush Securities Inc1,757$406.0K0.01%−250−12.5%Reduced
Cynosure Management, LLC1,689$390.5K0.04%00.0%Unchanged
CIBC Asset Management Inc1,682$388.8K0.00%00.0%Unchanged
Advisor Resource Council1,620$374.5K0.18%−13,857−89.5%Reduced
Panagora Asset Management Inc1,601$370.1K0.00%00.0%Unchanged
Quest Partners LLC1,579$365.0K0.04%−3,866−71.0%Reduced
Thomasville National Bank1,566$362.0K0.02%00.0%Unchanged
Bridgewater Associates, LP1,560$360.6K0.00%+1,560New
Nebula Research & Development LLC1,551$358.6K0.03%−494−24.2%Reduced
Bradley Foster & Sargent Inc1,549$358.1K0.01%00.0%Unchanged
Concurrent Investment Advisors, LLC1,543$356.7K0.01%+484+45.7%Added
Flagship Harbor Advisors, LLC1,538$355.6K0.02%−118−7.1%Reduced
Pacer Advisors, Inc.1,536$355.1K0.00%+1,536New
111 Capital1,524$352.3K0.06%+337+28.4%Added
Nelson, Van Denburg & Campbell Wealth Management Group, LLC1,505$347.9K0.01%+1,505New
Aristeia Capital LLC1,482$342.6K0.01%−953−39.1%Reduced
Commerce Bank1,477$341.5K0.00%−260−15.0%Reduced
Yorktown Management & Research Co Inc1,450$335.2K0.32%00.0%Unchanged
Shell Asset Management Co1,444$334.0K0.01%−240−14.3%Reduced
Stephenson National Bank & Trust1,422$328.7K0.11%−332−18.9%Reduced
Everence Capital Management Inc1,410$326.0K0.02%00.0%Unchanged
Forum Financial Management, LP1,394$322.3K0.00%−27−1.9%Reduced
Strategic Advocates LLC1,381$319.3K0.09%00.0%Unchanged
Modern Wealth Management, LLC1,379$318.8K0.01%+120+9.5%Added
Traynor Capital Management, Inc.1,385$317.9K0.02%−200−12.6%Reduced
Keybank National Association1,363$315.1K0.00%−190−12.2%Reduced
Simon Quick Advisors, LLC1,337$309.1K0.02%−761−36.3%Reduced
Swiss Life Asset Management Ltd1,325$306.3K0.00%+1,325New
Otter Creek Advisors, LLC1,312$303.3K0.23%−7,991−85.9%Reduced
EP Wealth Advisors, LLC1,312$303.3K0.00%+122+10.3%Added
R Squared Ltd1,311$303.1K0.17%+261+24.9%Added
Scientech Research LLC1,309$302.6K0.07%+1,309New
Merit Financial Group, LLC1,295$299.4K0.00%+1,295New
XML Financial, LLC1,267$292.9K0.03%−250−16.5%Reduced
KBC Group NV1,255$290.0K0.00%−806−39.1%Reduced
RSM US Wealth Management LLC1,241$286.9K0.00%+1,241New
Quantbot Technologies LP1,233$285.0K0.01%−1,516−55.1%Reduced
Envestnet Portfolio Solutions, Inc.1,232$284.8K0.00%+33+2.8%Added
Massmutual Trust Co FSB1,232$284.8K0.01%+38+3.2%Added
SWMG, LLC1,209$283.0K0.10%+148+13.9%Added
Capstone Investment Advisors, LLC1,211$280.0K0.00%+1,211New
Meiji Yasuda Asset Management Co Ltd.1,202$277.9K0.01%00.0%Unchanged
S&CO Inc1,200$277.0K0.02%00.0%Unchanged
Polymer Capital Management (US) LLC1,197$276.7K0.05%+1,197New
Skandinaviska Enskilda Banken AB (publ)1,194$276.0K0.00%+639+115.1%Added
NBC Securities, Inc.1,182$273.0K0.02%−15−1.3%Reduced
Profund Advisors LLC1,167$269.8K0.01%−72−5.8%Reduced
Northwestern Mutual Wealth Management Co1,167$269.8K0.00%−11−0.9%Reduced