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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
Stifel Financial Corp24,239$7.24M0.01%−416−1.7%Reduced
MetLife Investment Management24,310$7.26M0.03%−405−1.6%Reduced
Concentric Capital Strategies, LP24,886$7.43M0.46%+13,801+124.5%Added
Resolute Capital Asset Partners LLC25,000$7.47M3.19%+5,000+25.0%Added
American Century Companies Inc25,091$7.50M0.00%+2,175+9.5%Added
ExodusPoint Capital Management, LP25,625$7.66M0.07%+13,244+107.0%Added
Bullseye Asset Management LLC25,961$7.76M3.94%+239+0.9%Added
Horizon Investments, LLC26,048$7.78M0.09%+2,481+10.5%Added
Mutual of America Capital Management LLC27,721$8.28M0.08%−883−3.1%Reduced
Brown Advisory Inc27,981$8.36M0.01%+338+1.2%Added
Zurcher Kantonalbank (Zurich Cantonalbank)28,588$8.54M0.02%−148−0.5%Reduced
Credit Agricole S A28,793$8.60M0.02%−31,651−52.4%Reduced
Ossiam29,877$8.93M0.12%+29,877New
Bayberry Capital Partners LP30,700$9.17M3.16%−15,500−33.5%Reduced
Covea Finance32,287$9.65M0.30%00.0%Unchanged
Public Employees Retirement System of Ohio32,357$9.67M0.03%+17,614+119.5%Added
Arrowstreet Capital, Limited Partnership33,075$9.88M0.00%+33,075New
Great West Life Assurance Co33,199$9.90M0.02%+1,928+6.2%Added
Intech Investment Management LLC33,189$9.92M0.09%+17,541+112.1%Added
Toroso Investments, LLC33,222$9.93M0.02%−38,724−53.8%Reduced
Tectonic Advisors LLC33,511$10.0M0.48%−11,471−25.5%Reduced
Boothbay Fund Management, LLC33,545$10.0M0.19%+1,484+4.6%Added
New York State Common Retirement Fund33,730$10.1M0.01%+8,938+36.1%Added
Schroder Investment Management Group34,064$10.2M0.01%−87−0.3%Reduced
KR Capital LP34,749$10.4M1.03%+34,749New
4D Advisors, LLC35,000$10.5M4.02%+35,000New
Mariner, LLC35,210$10.5M0.01%−1,817−4.9%Reduced
Engineers Gate Manager LP35,732$10.7M0.14%+29,730+495.3%Added
Barclays PLC35,805$10.7M0.00%+12,053+50.7%Added
STRS Ohio35,892$10.7M0.04%+2,580+7.7%Added
Manufacturers Life Insurance Company, The36,767$11.0M0.01%−34−0.1%Reduced
Danica Pension, Livsforsikringsaktieselskab37,094$11.1M0.18%00.0%Unchanged
Nomura Asset Management International Inc.37,257$11.1M0.02%−14,946−28.6%Reduced
Candriam Luxembourg S.C.A.37,673$11.2M0.05%+892+2.4%Added
Oppenheimer Asset Management Inc.39,014$11.7M0.12%−13,160−25.2%Reduced
SG Americas Securities, LLC39,274$11.7M0.01%+12,890+48.9%Added
Hallstatt Advisors L.P.39,917$11.9M8.40%−6,198−13.4%Reduced
Border to Coast Pensions Partnership Ltd40,000$11.9M0.18%−5,000−11.1%Reduced
Universal- Beteiligungs- und Servicegesellschaft mbH40,568$12.1M0.02%+1,841+4.8%Added
State Board of Administration of Florida Retirement System42,221$12.6M0.02%−1,410−3.2%Reduced
Asset Management One Co.,Ltd.42,256$12.6M0.03%−19,755−31.9%Reduced
C WorldWide Group Holding A/S42,397$12.7M0.31%−7,474−15.0%Reduced
Vanguard Asset Management, Ltd42,585$12.7M0.01%+3,294+8.4%Added
Perpetual Ltd44,294$13.2M0.19%−16,492−27.1%Reduced
New York State Teachers Retirement System45,414$13.6M0.03%−10,710−19.1%Reduced
Ameriprise Financial Inc45,815$13.7M0.00%−7,295−13.7%Reduced
Squarepoint Ops LLC46,028$13.8M0.03%+46,028New
State of Alaska, Department of Revenue47,847$14.3M0.14%−5,298−10.0%Reduced
UniSuper Management Pty Ltd48,336$14.4M0.07%+20,382+72.9%Added
La Banque Postale Asset Management SA49,027$14.6M0.15%+1,829+3.9%Added
Pillsbury Lake Capital LLC49,604$14.8M4.07%+26,687+116.5%Added
Russell Investments Group, Ltd.50,607$15.1M0.01%+37,188+277.1%Added
Deutsche Bank AG51,836$15.5M0.00%+23,817+85.0%Added
Envestnet Asset Management Inc52,231$15.6M0.00%−7,939−13.2%Reduced
BNP PARIBAS ASSET MANAGEMENT Holding S.A.52,665$15.7M0.02%+12,814+32.2%Added
Swedbank AB53,000$15.8M0.01%−57,000−51.8%Reduced
GCM Grosvenor Holdings, LLC53,804$16.1M0.70%00.0%Unchanged
Picton Mahoney Asset Management53,870$16.1M0.15%−3,550−6.2%Reduced
Price T Rowe Associates Inc54,000$16.1M0.00%+3,630+7.2%Added
Wells Fargo & Company55,875$16.7M0.00%+13,104+30.6%Added
California State Teachers Retirement System58,275$17.4M0.02%−883−1.5%Reduced
J. Safra Sarasin Holding AG58,499$17.5M0.25%+6,301+12.1%Added
Sirios Capital Management L P58,546$17.5M2.13%+1,333+2.3%Added
Alliancebernstein L.P.61,660$17.7M0.01%−8,766−12.4%Reduced
SEI Investments Co59,274$17.7M0.02%+21,858+58.4%Added
State of Wisconsin Investment Board61,180$18.3M0.04%+544+0.9%Added
Impax Asset Management Group plc61,651$18.4M0.12%−61,335−49.9%Reduced
Jones Financial Companies LLLP63,971$19.3M0.01%+1,384+2.2%Added
Handelsbanken Fonder AB65,529$19.6M0.06%−27,815−29.8%Reduced
Legal & General Group Plc67,504$20.2M0.00%−1,242−1.8%Reduced
Needham Investment Management LLC70,106$20.9M0.63%+1,250+1.8%Added
Loomis Sayles & Co L P70,872$21.2M0.03%−3,911−5.2%Reduced
Assenagon Asset Management S.A.72,519$21.7M0.03%+23,576+48.2%Added
Citigroup Inc74,436$22.2M0.01%+13,930+23.0%Added
SG Capital Management LLC75,270$22.5M2.04%+75,270New
Jupiter Asset Management Ltd76,373$22.8M0.11%−6,552−7.9%Reduced
Balyasny Asset Management LLC76,523$22.9M0.04%+46,102+151.5%Added
BNP Paribas Arbitrage, SA76,817$22.9M0.01%+70,825+1,182.0%Added
Nuveen, LLC77,092$23.0M0.01%+8,126+11.8%Added
Victory Capital Management Inc78,239$23.4M0.01%+4,579+6.2%Added
Ci Investments Inc.78,681$23.5M0.08%+58,421+288.4%Added
Eurizon Capital SGR S.p.A.80,250$24.0M0.06%+29,259+57.4%Added
Retirement Systems of Alabama81,929$24.5M0.07%−10,195−11.1%Reduced
Renaissance Technologies LLC82,202$24.6M0.03%+82,202New
Fuller & Thaler Asset Management, Inc.83,198$24.9M0.07%+28,945+53.4%Added
Allspring Global Investments Holdings, LLC85,999$25.0M0.04%−4,266−4.7%Reduced
Bank of Montreal87,012$26.0M0.01%−1,040−1.2%Reduced
HRT Financial LP90,556$27.1M0.05%+90,556New
Cresset Asset Management, LLC90,669$27.1M0.10%+2,445+2.8%Added
Mirova92,631$27.7M1.02%−38,044−29.1%Reduced
Fort Washington Investment Advisors Inc93,425$27.9M0.14%+22,148+31.1%Added
Visualize Group LP96,300$28.8M9.90%00.0%Unchanged
Trinity Street Asset Management LLP97,925$29.3M1.51%−11,466−10.5%Reduced
Telemark Asset Management, LLC100,000$29.9M2.16%00.0%Unchanged
Swiss National Bank100,840$30.1M0.02%+440+0.4%Added
Royal Bank of Canada104,914$31.3M0.01%+601+0.6%Added
Point72 Asset Management, L.P.105,105$31.4M0.05%+48,508+85.7%Added
Spirepoint Private Client, LLC105,838$31.6M2.56%−208−0.2%Reduced
California Public Employees Retirement System108,605$32.4M0.02%+3,875+3.7%Added
Principal Financial Group Inc112,688$33.7M0.02%+582+0.5%Added