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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 2026

Institutional positions in Clean Harbors Inc as of Jun 30, 2026. 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
663
+45 vs. Q1 2026
Shares held
49.4M
+2.48M (+5.3%) vs. Q1 2026
Total value
$14.8B
+$1.31B (+9.8%) vs. Q1 2026
New holders
100
205 more added
Sold out
55
251 more reduced

8 institutions that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 2026: 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 2026: 663 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 2026: $14.8B
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 2026

Shares, value and share of portfolio for each institution holding Clean Harbors Inc; share changes are against Q1 2026.

Institutions holding CLH in Q2 2026
InstitutionSharesValue% of portfolioChange in sharesAction
Sirios Capital Management L P58,546$17.5M2.13%+1,333+2.3%Added
J. Safra Sarasin Holding AG58,499$17.5M0.25%+6,301+12.1%Added
California State Teachers Retirement System58,275$17.4M0.02%−883−1.5%Reduced
Wells Fargo & Company55,875$16.7M0.00%+13,104+30.6%Added
Price T Rowe Associates Inc54,000$16.1M0.00%+3,630+7.2%Added
Picton Mahoney Asset Management53,870$16.1M0.15%−3,550−6.2%Reduced
GCM Grosvenor Holdings, LLC53,804$16.1M0.70%00.0%Unchanged
Swedbank AB53,000$15.8M0.01%−57,000−51.8%Reduced
BNP PARIBAS ASSET MANAGEMENT Holding S.A.52,665$15.7M0.02%+12,814+32.2%Added
Envestnet Asset Management Inc52,231$15.6M0.00%−7,939−13.2%Reduced
Deutsche Bank AG51,836$15.5M0.00%+23,817+85.0%Added
Russell Investments Group, Ltd.50,607$15.1M0.01%+37,188+277.1%Added
Pillsbury Lake Capital LLC49,604$14.8M4.07%+26,687+116.5%Added
La Banque Postale Asset Management SA49,027$14.6M0.15%+1,829+3.9%Added
UniSuper Management Pty Ltd48,336$14.4M0.07%+20,382+72.9%Added
State of Alaska, Department of Revenue47,847$14.3M0.14%−5,298−10.0%Reduced
Squarepoint Ops LLC46,028$13.8M0.03%+46,028New
Ameriprise Financial Inc45,815$13.7M0.00%−7,295−13.7%Reduced
New York State Teachers Retirement System45,414$13.6M0.03%−10,710−19.1%Reduced
Perpetual Ltd44,294$13.2M0.19%−16,492−27.1%Reduced
Vanguard Asset Management, Ltd42,585$12.7M0.01%+3,294+8.4%Added
C WorldWide Group Holding A/S42,397$12.7M0.31%−7,474−15.0%Reduced
Asset Management One Co.,Ltd.42,256$12.6M0.03%−19,755−31.9%Reduced
State Board of Administration of Florida Retirement System42,221$12.6M0.02%−1,410−3.2%Reduced
Universal- Beteiligungs- und Servicegesellschaft mbH40,568$12.1M0.02%+1,841+4.8%Added
Border to Coast Pensions Partnership Ltd40,000$11.9M0.18%−5,000−11.1%Reduced
Hallstatt Advisors L.P.39,917$11.9M8.40%−6,198−13.4%Reduced
SG Americas Securities, LLC39,274$11.7M0.01%+12,890+48.9%Added
Oppenheimer Asset Management Inc.39,014$11.7M0.12%−13,160−25.2%Reduced
Candriam Luxembourg S.C.A.37,673$11.2M0.05%+892+2.4%Added
Nomura Asset Management International Inc.37,257$11.1M0.02%−14,946−28.6%Reduced
Danica Pension, Livsforsikringsaktieselskab37,094$11.1M0.18%00.0%Unchanged
Manufacturers Life Insurance Company, The36,767$11.0M0.01%−34−0.1%Reduced
STRS Ohio35,892$10.7M0.04%+2,580+7.7%Added
Barclays PLC35,805$10.7M0.00%+12,053+50.7%Added
Engineers Gate Manager LP35,732$10.7M0.14%+29,730+495.3%Added
Mariner, LLC35,210$10.5M0.01%−1,817−4.9%Reduced
4D Advisors, LLC35,000$10.5M4.02%+35,000New
KR Capital LP34,749$10.4M1.03%+34,749New
Schroder Investment Management Group34,064$10.2M0.01%−87−0.3%Reduced
New York State Common Retirement Fund33,730$10.1M0.01%+8,938+36.1%Added
Boothbay Fund Management, LLC33,545$10.0M0.19%+1,484+4.6%Added
Tectonic Advisors LLC33,511$10.0M0.48%−11,471−25.5%Reduced
Toroso Investments, LLC33,222$9.93M0.02%−38,724−53.8%Reduced
Intech Investment Management LLC33,189$9.92M0.09%+17,541+112.1%Added
Great West Life Assurance Co33,199$9.90M0.02%+1,928+6.2%Added
Arrowstreet Capital, Limited Partnership33,075$9.88M0.00%+33,075New
Public Employees Retirement System of Ohio32,357$9.67M0.03%+17,614+119.5%Added
Covea Finance32,287$9.65M0.30%00.0%Unchanged
Bayberry Capital Partners LP30,700$9.17M3.16%−15,500−33.5%Reduced
Ossiam29,877$8.93M0.12%+29,877New
Credit Agricole S A28,793$8.60M0.02%−31,651−52.4%Reduced
Zurcher Kantonalbank (Zurich Cantonalbank)28,588$8.54M0.02%−148−0.5%Reduced
Brown Advisory Inc27,981$8.36M0.01%+338+1.2%Added
Mutual of America Capital Management LLC27,721$8.28M0.08%−883−3.1%Reduced
Horizon Investments, LLC26,048$7.78M0.09%+2,481+10.5%Added
Bullseye Asset Management LLC25,961$7.76M3.94%+239+0.9%Added
ExodusPoint Capital Management, LP25,625$7.66M0.07%+13,244+107.0%Added
American Century Companies Inc25,091$7.50M0.00%+2,175+9.5%Added
Resolute Capital Asset Partners LLC25,000$7.47M3.19%+5,000+25.0%Added
Concentric Capital Strategies, LP24,886$7.43M0.46%+13,801+124.5%Added
MetLife Investment Management24,310$7.26M0.03%−405−1.6%Reduced
Stifel Financial Corp24,239$7.24M0.01%−416−1.7%Reduced
Atria Investments LLC24,035$7.18M0.07%−5,870−19.6%Reduced
J.P. Marvel Investment Advisors, LLC23,908$7.14M0.82%−217−0.9%Reduced
Chilton Investment Co LLC23,671$7.07M0.17%−740−3.0%Reduced
CI Private Wealth, LLC23,260$6.95M0.01%−16,694−41.8%Reduced
Police & Firemen's Retirement System of New Jersey22,822$6.82M0.05%+1,283+6.0%Added
Hilton Capital Management, LLC22,689$6.78M0.46%+1,179+5.5%Added
Amalgamated Bank22,606$6.75M0.05%−111−0.5%Reduced
HSBC Holdings PLC22,326$6.70M0.00%−134−0.6%Reduced
Alphinity Investment Management Pty Ltd21,767$6.50M0.11%+21,767New
Treasurer of the State of North Carolina21,626$6.46M0.02%−60−0.3%Reduced
Mountain Pacific Investment Advisers Inc21,597$6.45M1.02%−1,835−7.8%Reduced
Lansing Management LP21,463$6.41M3.88%−2,050−8.7%Reduced
Cinctive Capital Management LP21,212$6.34M0.25%+13,227+165.6%Added
LPL Financial LLC21,068$6.29M0.00%+1,265+6.4%Added
State of Tennessee, Treasury Department20,833$6.22M0.02%+3,898+23.0%Added
Occudo Quantitative Strategies LP20,216$6.04M0.32%+16,433+434.4%Added
D L Carlson Investment Group Inc19,325$5.77M0.92%+74+0.4%Added
Tudor Investment Corp Et Al19,061$5.69M0.02%+19,061New
Brant Point Investment Management LLC19,039$5.69M1.27%−1,106−5.5%Reduced
Vanguard Global Advisers, LLC18,953$5.66M0.00%−1,142−5.7%Reduced
Man Group plc18,764$5.61M0.01%−2,631−12.3%Reduced
Acadian Asset Management LLC18,762$5.60M0.01%+12,949+222.8%Added
Schonfeld Strategic Advisors LLC18,601$5.56M0.03%+18,601New
Worldquant Millennium Advisors LLC18,141$5.42M0.02%+6,431+54.9%Added
KLP Kapitalforvaltning AS16,840$5.03M0.02%+440+2.7%Added
D. E. Shaw & Co., Inc.16,798$5.02M0.00%−19,973−54.3%Reduced
Fideuram - Intesa Sanpaolo Private Banking S.P.A.16,567$4.95M0.15%−430−2.5%Reduced
Cetera Investment Advisers16,429$4.91M0.00%+138+0.8%Added
Prelude Capital Management, LLC15,913$4.75M0.35%+1,260+8.6%Added
Franklin Resources Inc15,856$4.74M0.00%+10,916+221.0%Added
State of New Jersey Common Pension Fund D15,594$4.66M0.02%−886−5.4%Reduced
Amica Mutual Insurance Co15,377$4.59M0.38%−3,948−20.4%Reduced
Mercer Global Advisors Inc15,351$4.59M0.01%+1,298+9.2%Added
Teachers Retirement System of the State of Kentucky15,152$4.53M0.03%−5,053−25.0%Reduced
PKO Investment Management Joint-Stock Co15,000$4.48M0.33%00.0%Unchanged
Ameritas Investment Partners, Inc.14,907$4.45M0.12%−111−0.7%Reduced
Van Eck Associates Corp14,906$4.45M0.00%00.0%Unchanged