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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
New York State Teachers Retirement System57,757$13.5M0.03%−485−0.8%Reduced
Boothbay Fund Management, LLC57,586$13.5M0.35%−9,620−14.3%Reduced
Picton Mahoney Asset Management57,494$13.5M0.15%−27,986−32.7%Reduced
BNP PARIBAS ASSET MANAGEMENT Holding S.A.57,459$13.5M0.02%+28,354+97.4%Added
Chilton Investment Co LLC57,019$13.4M0.28%−77,274−57.5%Reduced
J. Safra Sarasin Holding AG54,667$12.8M0.21%−5,088−8.5%Reduced
La Banque Postale Asset Management SA54,355$12.7M0.15%−146,971−73.0%Reduced
Oppenheimer Asset Management Inc.54,299$12.7M0.16%−1,229−2.2%Reduced
Thrivent Financial for Lutherans53,090$12.4M0.02%−12,436−19.0%Reduced
Covea Finance53,087$12.4M0.41%−16,300−23.5%Reduced
Ameriprise Financial Inc53,011$12.4M0.00%−2,000−3.6%Reduced
State of Alaska, Department of Revenue53,010$12.4M0.13%−540−1.0%Reduced
Rockefeller Capital Management L.P.50,858$11.9M0.02%−1,537−2.9%Reduced
Lombard Odier Asset Management (Europe) Ltd50,143$11.8M0.60%−26,644−34.7%Reduced
California State Teachers Retirement System48,300$11.3M0.01%+899+1.9%Added
C WorldWide Group Holding A/S48,269$11.3M0.20%−2,275−4.5%Reduced
Bayberry Capital Partners LP48,200$11.3M3.64%+48,200New
Tectonic Advisors LLC45,522$10.7M0.56%+531+1.2%Added
Rivermont Capital Management LP44,262$10.4M2.47%−78,390−63.9%Reduced
State Board of Administration of Florida Retirement System43,939$10.3M0.02%−2,600−5.6%Reduced
Millennium Management LLC43,592$10.2M0.01%+13,216+43.5%Added
Allianz Asset Management GmbH42,040$9.86M0.01%−143,315−77.3%Reduced
Danica Pension, Livsforsikringsaktieselskab41,930$9.83M0.14%00.0%Unchanged
Ci Investments Inc.41,019$9.62M0.04%+3,682+9.9%Added
Barclays PLC40,594$9.52M0.00%−13,297−24.7%Reduced
OP Asset Management Ltd39,090$9.17M0.11%−86,381−68.8%Reduced
Wells Fargo & Company39,083$9.16M0.00%−14,505−27.1%Reduced
Daiwa Securities Group Inc.38,124$8.94M0.03%+2,612+7.4%Added
Manufacturers Life Insurance Company, The37,574$8.81M0.01%−918−2.4%Reduced
Schroder Investment Management Group35,097$8.35M0.01%−5,491−13.5%Reduced
T. Rowe Price Investment Management, Inc.34,081$7.99M0.01%+34,032+69,453.1%Added
SEI Investments Co32,271$7.57M0.01%−4,462−12.1%Reduced
Eurizon Capital SGR S.p.A.31,994$7.50M0.02%+31,994New
Mutual of America Capital Management LLC31,196$7.31M0.08%−10,134−24.5%Reduced
Great West Life Assurance Co31,085$7.29M0.01%−2,801−8.3%Reduced
Atom Investors LP31,001$7.27M0.58%+31,001New
Axon Capital LP31,000$7.27M8.74%+31,000New
Candriam Luxembourg S.C.A.30,711$7.20M0.04%−38,156−55.4%Reduced
Atria Investments LLC29,928$7.02M0.08%+1,001+3.5%Added
Universal- Beteiligungs- und Servicegesellschaft mbH28,944$6.79M0.01%+2,485+9.4%Added
Brown Advisory Inc28,381$6.65M0.01%+766+2.8%Added
UniSuper Management Pty Ltd27,954$6.55M0.04%−23,709−45.9%Reduced
Ecofi Investissements SA27,600$6.47M4.47%+27,600New
Zurcher Kantonalbank (Zurich Cantonalbank)27,399$6.42M0.01%−18,108−39.8%Reduced
Cooper Investors Pty Ltd25,955$6.09M2.02%−1,567−5.7%Reduced
Bullseye Asset Management LLC25,722$6.03M3.25%00.0%Unchanged
New York State Common Retirement Fund24,792$5.81M0.01%−60,428−70.9%Reduced
MetLife Investment Management24,550$5.76M0.03%−1,367−5.3%Reduced
J.P. Marvel Investment Advisors, LLC24,125$5.66M0.79%00.0%Unchanged
Mountain Pacific Investment Advisers Inc23,658$5.55M0.90%+1,104+4.9%Added
Pillsbury Lake Capital LLC22,553$5.29M2.16%+22,553New
Amalgamated Bank22,289$5.23M0.04%−805−3.5%Reduced
Deutsche Bank AG21,635$5.07M0.00%+192+0.9%Added
STRS Ohio21,413$5.02M0.02%−21,998−50.7%Reduced
Police & Firemen's Retirement System of New Jersey21,397$5.02M0.04%−1,086−4.8%Reduced
AQR Capital Management LLC21,284$4.99M0.00%−12,080−36.2%Reduced
Treasurer of the State of North Carolina21,220$4.98M0.02%−1,553−6.8%Reduced
Amica Mutual Insurance Co20,820$4.88M0.42%00.0%Unchanged
Teachers Retirement System of the State of Kentucky20,440$4.79M0.04%−952−4.5%Reduced
LPL Financial LLC20,280$4.76M0.00%−2,119−9.5%Reduced
Brant Point Investment Management LLC20,145$4.72M1.14%−2,079−9.4%Reduced
Mariner, LLC19,829$4.65M0.01%−12,879−39.4%Reduced
Hilton Capital Management, LLC19,247$4.51M0.34%+1,907+11.0%Added
D L Carlson Investment Group Inc18,991$4.45M0.75%+18,991New
State of Tennessee, Treasury Department16,935$4.40M0.01%−3,489−17.1%Reduced
Investors Towarzystwo Funduszy Inwestycyjnych Spolka Akcyjna18,407$4.32M1.63%+750+4.2%Added
American Century Companies Inc18,283$4.29M0.00%−204,774−91.8%Reduced
Yousif Capital Management, LLC16,019$4.11M0.05%−335−2.0%Reduced
Van Eck Associates Corp17,049$4.00M0.00%−301−1.7%Reduced
Cetera Investment Advisers16,823$3.94M0.00%−85−0.5%Reduced
KLP Kapitalforvaltning AS16,800$3.94M0.02%+1,100+7.0%Added
Ameritas Investment Partners, Inc.16,735$3.92M0.12%−895−5.1%Reduced
Bell Asset Management Ltd16,511$3.88M1.04%−3,374−17.0%Reduced
Prelude Capital Management, LLC16,114$3.78M0.28%+3,054+23.4%Added
Schonfeld Strategic Advisors LLC16,000$3.75M0.02%+16,000New
Union Bancaire Privee, UBP SA15,137$3.64M0.06%−1,584−9.5%Reduced
Verition Fund Management LLC15,428$3.62M0.02%−20,130−56.6%Reduced
Public Employees Retirement System of Ohio15,247$3.58M0.01%−577−3.6%Reduced
State of New Jersey Common Pension Fund D15,244$3.57M0.01%00.0%Unchanged
PKO Investment Management Joint-Stock Co15,000$3.52M0.28%00.0%Unchanged
Comerica Bank14,937$3.50M0.01%−79,255−84.1%Reduced
Pacific Capital Partners Ltd14,750$3.46M3.67%−1,000−6.3%Reduced
M&T Bank Corp14,614$3.43M0.01%+3,463+31.1%Added
Scotia Capital Inc.14,382$3.37M0.01%+20+0.1%Added
Arizona State Retirement System14,072$3.30M0.02%−991−6.6%Reduced
Louisiana State Employees Retirement System13,900$3.26M0.06%−100−0.7%Reduced
Holocene Advisors, LP13,598$3.19M0.01%−3,743−21.6%Reduced
K.J. Harrison & Partners Inc13,095$3.07M0.41%−2,200−14.4%Reduced
CI Private Wealth, LLC12,682$2.97M0.00%+7,667+152.9%Added
Commonwealth of Pennsylvania Public School Empls Retrmt Sys12,569$2.95M0.01%−370−2.9%Reduced
Shay Capital LLC12,523$2.94M0.47%+12,523New
Colony Group, LLC12,291$2.88M0.00%+10,822+736.7%Added
State of Michigan Retirement System11,907$2.79M0.01%−100−0.8%Reduced
Northwestern Mutual Investment Management Company, LLC11,237$2.63M0.03%00.0%Unchanged
Summit Trail Advisors, LLC11,102$2.60M0.05%+7,611+218.0%Added
Edentree Asset Management Ltd11,002$2.58M0.79%00.0%Unchanged
Credit Agricole S A10,897$2.56M0.01%+10,897New
Deroy & Devereaux Private Investment Counsel Inc10,875$2.55M0.12%+10,875New
Groupe la Francaise10,780$2.53M0.04%00.0%Unchanged
Lansing Management LP10,760$2.52M1.68%+10,760New