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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, Q3 2025

Institutional positions in Clean Harbors Inc as of Sep 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
569
−3 vs. Q2 2025
Shares held
49.8M
+1.28M (+2.6%) vs. Q2 2025
Total value
$11.6B
+$347.6M (+3.1%) vs. Q2 2025
New holders
73
173 more added
Sold out
76
204 more reduced

7 institutions that held it in Q2 2025 haven't filed for Q3 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q2 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 holdersQ3 2025: 569 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 heldQ3 2025: $11.6B
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, Q3 2025

Shares, value and share of portfolio for each institution holding Clean Harbors Inc; share changes are against Q2 2025.

Institutions holding CLH in Q3 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Wellington Management Group LLP5,574,152$1.29B0.23%−190,853−3.3%Reduced
Vanguard Group Inc4,552,397$1.06B0.02%−30,868−0.7%Reduced
BlackRock, Inc.4,534,653$1.05B0.02%−10,831−0.2%Reduced
D1 Capital Partners L.P.SuperinvestorD1 Capital Partners2,445,583$567.9M6.52%+1,001,946+69.4%Added
Janus Henderson Group PLC2,160,429$501.7M0.23%+7,203+0.3%Added
Pictet Asset Management Holding SA2,071,516$481.1M0.46%+159,336+8.3%Added
State Street Corp1,515,621$352.0M0.01%+12,452+0.8%Added
Clearbridge Investments, LLC1,426,351$331.2M0.25%+102,208+7.7%Added
Snyder Capital Management L P1,148,504$266.7M5.04%+83,638+7.9%Added
Bessemer Group Inc1,097,702$254.9M0.39%+87,322+8.6%Added
Geode Capital Management, LLC906,759$210.6M0.01%+17,333+1.9%Added
Select Equity Group, L.P.773,380$179.6M0.77%−173,578−18.3%Reduced
First Trust Advisors LP651,685$151.3M0.11%+101,509+18.5%Added
UBS Asset Management Americas Inc620,046$144.0M0.03%−100,266−13.9%Reduced
Dimensional Fund Advisors LP614,844$142.8M0.03%−41,084−6.3%Reduced
Durable Capital Partners LP573,666$133.2M0.99%+573,666New
Northern Trust Corp475,011$110.3M0.01%+4,584+1.0%Added
Nordea Investment Management AB471,206$108.6M0.10%+471,206New
Charles Schwab Investment Management Inc465,452$108.1M0.02%+12,962+2.9%Added
Bank of America Corp454,094$105.4M0.01%+99,408+28.0%Added
Davenport & Co LLC444,684$103.6M0.56%−4,249−0.9%Reduced
Bank of New York Mellon Corp407,744$94.7M0.02%−15,281−3.6%Reduced
Handelsbanken Fonder AB393,116$91.3M0.29%−1,953−0.5%Reduced
Invesco Ltd.390,675$90.7M0.01%−188,002−32.5%Reduced
Two Sigma Investments, LP384,494$89.3M0.14%+229,666+148.3%Added
William Blair Investment Management, LLC384,358$89.3M0.23%−27,074−6.6%Reduced
Vaughan Nelson Investment Management, L.P.362,730$84.2M0.77%+107,150+41.9%Added
Goldman Sachs Group Inc307,367$71.4M0.01%+242,177+371.5%Added
Silvercrest Asset Management Group LLC275,087$63.9M0.42%−9,864−3.5%Reduced
Morgan Stanley273,880$63.6M0.00%+37,182+15.7%Added
M.D. Sass Investors Services, Inc.259,660$60.3M4.92%−69,209−21.0%Reduced
Impax Asset Management Group plc252,141$57.7M0.34%−104,114−29.2%Reduced
Citigroup Inc248,152$57.6M0.04%+1,655+0.7%Added
Neuberger Berman Group LLC246,297$57.2M0.04%−29,661−10.7%Reduced
Westfield Capital Management Co LP243,582$56.6M0.24%+51,323+26.7%Added
Two Sigma Advisers, LP236,900$55.0M0.11%+183,700+345.3%Added
Raymond James Financial Inc233,668$54.3M0.02%+4,671+2.0%Added
American Century Companies Inc223,057$51.8M0.03%−36,390−14.0%Reduced
JPMorgan Chase & Co219,862$51.1M0.00%+15,872+7.8%Added
12th Street Asset Management Company, LLC214,111$49.7M8.41%−3,521−1.6%Reduced
Federated Hermes, Inc.206,696$48.0M0.08%−72,645−26.0%Reduced
La Banque Postale Asset Management SA201,326$46.8M0.57%−39,524−16.4%Reduced
UBS Group AG192,487$44.7M0.01%−42,805−18.2%Reduced
Thematics Asset Management192,300$44.7M2.03%+1,463+0.8%Added
FIL Ltd187,173$43.5M0.03%−99,696−34.8%Reduced
Robeco Schweiz AG186,112$43.2M0.97%−15,433−7.7%Reduced
Allianz Asset Management GmbH185,355$43.0M0.05%−8,645−4.5%Reduced
DekaBank Deutsche Girozentrale180,000$41.8M0.07%00.0%Unchanged
Victory Capital Management Inc159,160$37.0M0.02%−83,605−34.4%Reduced
Vontobel Holding Ltd.155,601$36.1M0.11%−5,585−3.5%Reduced
Leeward Investments, LLC - MA149,218$34.7M1.77%−4,308−2.8%Reduced
Natixis Advisors, L.P.146,449$34.0M0.05%+16,224+12.5%Added
Franklin Resources Inc142,791$33.2M0.01%−34,075−19.3%Reduced
Swedbank AB140,000$32.5M0.03%+15,000+12.0%Added
Macquarie Group Ltd138,415$32.1M0.04%+1,301+0.9%Added
Chilton Investment Co LLC134,293$31.2M0.64%+400+0.3%Added
Royal Bank of Canada134,234$31.2M0.01%+3,023+2.3%Added
Rhumbline Advisers131,486$30.5M0.02%−2,158−1.6%Reduced
OP Asset Management Ltd125,471$29.1M0.38%+21,460+20.6%Added
Grantham, Mayo, Van Otterloo & Co. LLC124,557$28.9M0.08%+124,557New
Hood River Capital Management LLC123,692$28.7M0.34%−8,023−6.1%Reduced
Loomis Sayles & Co L P122,987$28.6M0.03%−10,083−7.6%Reduced
Rivermont Capital Management LP122,652$28.5M7.52%+41,909+51.9%Added
Trinity Street Asset Management LLP120,603$28.0M1.91%−501−0.4%Reduced
Qube Research & Technologies Ltd118,787$27.6M0.04%−37,709−24.1%Reduced
Oberweis Asset Management Inc116,770$27.1M1.04%−530−0.5%Reduced
Shannon River Fund Management LLC115,870$26.9M4.33%+115,870New
Fort Washington Investment Advisors Inc114,787$26.7M0.14%+23,380+25.6%Added
Principal Financial Group Inc111,983$26.0M0.01%−2,239−2.0%Reduced
Telemark Asset Management, LLC110,000$25.5M2.42%00.0%Unchanged
California Public Employees Retirement System108,256$25.1M0.02%+7,051+7.0%Added
Jupiter Asset Management Ltd107,284$24.9M0.21%−19,314−15.3%Reduced
Spirepoint Private Client, LLC104,421$24.2M2.55%−4,699−4.3%Reduced
Swiss National Bank98,700$22.9M0.01%+1,000+1.0%Added
Fuller & Thaler Asset Management, Inc.97,310$22.6M0.08%−28,196−22.5%Reduced
Quantinno Capital Management LP96,063$22.3M0.06%+64,000+199.6%Added
Comerica Bank94,192$21.9M0.08%+19,815+26.6%Added
Retirement Systems of Alabama91,505$21.2M0.07%−13,503−12.9%Reduced
Cresset Asset Management, LLC89,860$20.9M0.09%+1,600+1.8%Added
Amundi88,575$20.6M0.01%+83,320+1,585.5%Added
Allspring Global Investments Holdings, LLC90,171$20.6M0.03%+130.0%Added
Legal & General Group Plc87,394$20.3M0.00%−2,226−2.5%Reduced
Asset Management One Co.,Ltd.86,357$20.1M0.06%+398+0.5%Added
Picton Mahoney Asset Management85,480$19.9M0.25%−706−0.8%Reduced
New York State Common Retirement Fund85,220$19.8M0.03%+771+0.9%Added
Cramer Rosenthal McGlynn LLC83,549$19.4M1.25%−24,155−22.4%Reduced
Nuveen, LLC81,827$19.0M0.01%−926−1.1%Reduced
State of Wisconsin Investment Board80,307$18.6M0.04%+4,140+5.4%Added
Price T Rowe Associates Inc77,254$17.9M0.00%−110,283−58.8%Reduced
Munro Partners77,004$17.9M0.49%+42,605+123.9%Added
Sirios Capital Management L P76,930$17.9M2.33%+7,742+11.2%Added
Lombard Odier Asset Management (Europe) Ltd76,787$17.8M0.91%+26,468+52.6%Added
CTF Capital Management, LP76,144$17.7M8.25%+76,144New
GCM Grosvenor Holdings, LLC75,700$17.6M2.67%+75,700New
Border to Coast Pensions Partnership Ltd70,000$16.3M0.28%00.0%Unchanged
Covea Finance69,387$16.1M0.56%−1,100−1.6%Reduced
Candriam Luxembourg S.C.A.68,867$16.0M0.08%+18,367+36.4%Added
Boothbay Fund Management, LLC67,206$15.6M0.40%+23,555+54.0%Added
Stifel Financial Corp66,062$15.3M0.01%−1,377−2.0%Reduced
Bank of Montreal65,644$15.2M0.01%+26,630+68.3%Added