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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, Q4 2025

Institutional positions in Clean Harbors Inc as of Dec 31, 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
568
+7 vs. Q3 2025
Shares held
51.5M
+1.95M (+3.9%) vs. Q3 2025
Total value
$12.1B
+$571.8M (+5.0%) vs. Q3 2025
New holders
92
157 more added
Sold out
85
224 more reduced

8 institutions that held it in Q3 2025 haven't filed for Q4 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q3 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 holdersQ4 2025: 568 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 heldQ4 2025: $12.1B
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, Q4 2025

Shares, value and share of portfolio for each institution holding Clean Harbors Inc; share changes are against Q3 2025.

Institutions holding CLH in Q4 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Odyssean, LLC3,061$717.7K0.52%+3,061New
Hudson Bay Capital Management LP3,000$703.4K0.00%+3,000New
Atika Capital Management LLC3,000$703.4K0.10%+3,000New
Northwest & Ethical Investments L.P.2,955$703.0K0.02%−2,540−46.2%Reduced
Algebris (UK) Ltd2,959$694.2K0.06%+910+44.4%Added
Oppenheimer & Co Inc2,953$692.4K0.01%−708−19.3%Reduced
Baker Avenue Asset Management, LP2,940$689.4K0.02%+2,940New
Laird Norton Trust Company, LLC2,926$686.1K0.01%+2,926New
Crossmark Global Holdings, Inc.2,908$681.9K0.01%−26−0.9%Reduced
Callan Family Office, LLC2,826$662.6K0.01%+2,826New
Ensign Peak Advisors, Inc2,821$661.5K0.00%−4,750−62.7%Reduced
Intrust Bank NA2,814$659.8K0.05%−38−1.3%Reduced
MML Investors Services, LLC2,772$649.9K0.00%+211+8.2%Added
Global Retirement Partners, LLC2,752$645.3K0.01%+2,001+266.4%Added
Utah Retirement Systems2,700$633.1K0.01%00.0%Unchanged
Interchange Capital Partners, LLC2,672$626.5K0.12%+2,672New
XTX Topco Ltd2,629$616.4K0.02%+385+17.2%Added
Fiduciary Alliance LLC2,568$602.1K0.04%−545−17.5%Reduced
Coldstream Capital Management Inc2,561$600.5K0.01%−77−2.9%Reduced
Advisor Resource Council2,294$599.6K0.21%+2,294New
Fox Run Management, L.L.C.2,554$598.9K0.09%−6,845−72.8%Reduced
Ethic Inc.2,496$585.3K0.01%−1,285−34.0%Reduced
Tudor Investment Corp Et Al2,440$572.1K0.00%−60,664−96.1%Reduced
SkyView Investment Advisors, LLC2,430$570.0K0.07%+12+0.5%Added
Swiss Life Asset Management Ltd2,388$559.9K0.00%+29+1.2%Added
Maryland State Retirement & Pension System2,380$558.1K0.01%00.0%Unchanged
Thomasville National Bank2,373$556.4K0.03%−606−20.3%Reduced
EP Wealth Advisors, LLC2,349$550.8K0.00%+2,349New
Susquehanna International Group, LLP2,285$535.8K0.00%+2,285New
RWC Asset Management LLP2,131$499.7K0.02%00.0%Unchanged
Steward Partners Investment Advisory, LLC2,092$490.5K0.00%−37−1.7%Reduced
Fifth Third Wealth Advisors LLC2,062$483.5K0.02%+2+0.1%Added
Natixis2,048$480.2K0.00%+2,048New
Empirical Financial Services, LLC d.b.a. Empirical Wealth Management2,044$479.3K0.01%+2,044New
Lazard Freres Gestion S.A.S.2,040$478.0K0.01%00.0%Unchanged
Putney Financial Group LLC2,038$477.9K0.45%−33−1.6%Reduced
Advisor OS, LLC2,032$476.5K0.04%+510+33.5%Added
ProShare Advisors LLC2,014$472.2K0.00%−130−6.1%Reduced
TCG Advisory Services, LLC2,004$469.9K0.01%+2,004New
Corient IA LLC2,000$469.0K0.44%00.0%Unchanged
Index Technologies Group LLC1,995$467.8K0.49%+1,995New
Blair William & Co1,988$466.1K0.00%−45−2.2%Reduced
HMS Capital Management, LLC1,978$463.8K0.19%−7−0.4%Reduced
Resources Investment Advisors, LLC.1,972$462.4K0.00%+6+0.3%Added
GWM Advisors LLC1,945$456.1K0.00%−4,955−71.8%Reduced
Sequoia Financial Advisors, LLC1,900$445.5K0.00%+1,900New
Cynosure Management, LLC1,864$437.1K0.04%+175+10.4%Added
Transatlantique Private Wealth LLC1,810$424.4K0.13%−94−4.9%Reduced
Generali Investments CEE, investicni spolecnost, a.s.1,810$424.4K0.03%00.0%Unchanged
North Dakota State Investment Board1,788$419.3K0.02%+1,788New
Camden Capital, LLC1,699$398.4K0.03%+733+75.9%Added
CIBC Asset Management Inc1,682$394.4K0.00%00.0%Unchanged
Venturi Wealth Management, LLC1,677$393.2K0.02%+374+28.7%Added
NewEdge Wealth, LLC1,620$379.9K0.00%+446+38.0%Added
Nelson, Van Denburg & Campbell Wealth Management Group, LLC1,615$378.7K0.01%−228−12.4%Reduced
Panagora Asset Management Inc1,601$375.4K0.00%00.0%Unchanged
Traynor Capital Management, Inc.1,585$371.7K0.02%−38−2.3%Reduced
SRS Capital Advisors, Inc.1,550$363.4K0.01%−1,233−44.3%Reduced
Bradley Foster & Sargent Inc1,549$363.2K0.01%00.0%Unchanged
Kestra Advisory Services, LLC1,526$357.8K0.00%+73+5.0%Added
Martingale Asset Management L P1,525$357.6K0.01%−8,966−85.5%Reduced
Commerce Bank1,490$349.4K0.00%+71+5.0%Added
Leonteq Securities AG1,474$345.6K0.02%−687−31.8%Reduced
Umb Bank N A1,459$342.1K0.00%+910+165.8%Added
Skopos Labs, Inc.1,423$341.8K0.02%+1,423New
Yorktown Management & Research Co Inc1,450$340.0K0.27%00.0%Unchanged
AlphaGrep UK Ltd1,440$337.7K0.11%+1,440New
State of Wyoming1,429$335.1K0.04%+1,190+497.9%Added
EntryPoint Capital, LLC1,416$332.0K0.13%−2,936−67.5%Reduced
Everence Capital Management Inc1,410$331.0K0.02%00.0%Unchanged
Strategic Advocates LLC1,381$328.4K0.08%00.0%Unchanged
Triglav Skladi, D.O.O.1,399$328.0K0.02%−501−26.4%Reduced
Forum Financial Management, LP1,395$327.1K0.00%00.0%Unchanged
Keybank National Association1,386$325.0K0.00%+23+1.7%Added
Sanctuary Advisors, LLC1,366$320.2K0.00%+7+0.5%Added
Wellspring Financial Advisors, LLC1,357$318.2K0.03%+1,357New
SWMG, LLC1,168$310.7K0.09%−64−5.2%Reduced
Vestcor Inc1,323$310.0K0.01%00.0%Unchanged
Moody Aldrich Partners LLC1,319$309.3K0.06%−4−0.3%Reduced
Versant Capital Management, Inc1,299$304.6K0.04%+1,063+450.4%Added
Merit Financial Group, LLC1,290$302.5K0.00%−41−3.1%Reduced
Cornerstone Wealth Group, LLC1,290$302.5K0.02%+1,290New
XML Financial, LLC1,267$297.1K0.02%00.0%Unchanged
KBC Group NV1,255$294.0K0.00%00.0%Unchanged
Walleye Trading LLC1,210$283.7K0.00%+1,210New
Evergreen Capital Management LLC1,199$281.1K0.01%−122−9.2%Reduced
S&CO Inc1,200$281.0K0.02%00.0%Unchanged
United Capital Financial Advisers, LLC1,197$280.7K0.00%+1,197New
Massmutual Trust Co FSB1,182$277.2K0.01%−64−5.1%Reduced
NBC Securities, Inc.1,172$274.8K0.02%00.0%Unchanged
Sumitomo Mitsui Trust Holdings, Inc.1,160$272.0K0.00%+92+8.6%Added
Cinctive Capital Management LP1,155$270.8K0.02%+1,155New
Meiji Yasuda Asset Management Co Ltd.1,153$270.4K0.01%−18−1.5%Reduced
Icon Wealth Advisors, LLC1,103$258.6K0.02%+13+1.2%Added
Equitable Trust Co1,100$257.9K0.01%00.0%Unchanged
Colton Groome Financial Advisors, LLC1,100$257.9K0.07%00.0%Unchanged
Altar Rock LLC1,100$257.9K0.31%+1,100New
Atomi Financial Group, Inc.1,091$255.8K0.01%+16+1.5%Added
LGT Group Foundation1,075$255.6K0.00%00.0%Unchanged
Horizon Investments, LLC1,090$255.6K0.00%+770+240.6%Added