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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 2025

Institutional positions in Clean Harbors Inc as of Jun 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
579
+19 vs. Q1 2025
Shares held
49.1M
+377.7K (+0.8%) vs. Q1 2025
Total value
$11.4B
+$1.75B (+18.2%) vs. Q1 2025
New holders
75
169 more added
Sold out
56
227 more reduced

3 institutions that held it in Q1 2025 haven't filed for Q2 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 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 holdersQ2 2025: 579 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 2025: $11.4B
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 2025

Shares, value and share of portfolio for each institution holding Clean Harbors Inc; share changes are against Q1 2025.

Institutions holding CLH in Q2 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Wellington Management Group LLP5,765,005$1.33B0.24%+471,209+8.9%Added
Vanguard Group Inc4,583,265$1.06B0.02%−44,015−1.0%Reduced
BlackRock, Inc.4,545,484$1.05B0.02%−39,042−0.9%Reduced
Janus Henderson Group PLC2,153,226$497.8M0.24%+14,703+0.7%Added
Pictet Asset Management Holding SA1,912,180$442.1M0.45%+178,343+10.3%Added
State Street Corp1,503,169$347.5M0.01%−79,309−5.0%Reduced
D1 Capital Partners L.P.SuperinvestorD1 Capital Partners1,443,637$333.7M4.63%+1,250,615+647.9%Added
Clearbridge Investments, LLC1,324,143$306.1M0.25%+80,668+6.5%Added
Snyder Capital Management L P1,064,866$246.2M5.24%−50,376−4.5%Reduced
Bessemer Group Inc1,010,380$233.6M0.38%−2,442−0.2%Reduced
Select Equity Group, L.P.946,958$218.9M0.93%−145,201−13.3%Reduced
Geode Capital Management, LLC889,426$205.7M0.01%−2,601−0.3%Reduced
UBS Asset Management Americas Inc720,312$166.5M0.03%−179,254−19.9%Reduced
Dimensional Fund Advisors LP655,928$151.6M0.04%−2,637−0.4%Reduced
Norges Bank638,600$147.6M0.02%+24,505+4.0%Added
Invesco Ltd.578,677$133.8M0.02%−134,413−18.8%Reduced
First Trust Advisors LP550,176$127.2M0.10%+14,865+2.8%Added
Northern Trust Corp470,427$108.8M0.01%−19,311−3.9%Reduced
Charles Schwab Investment Management Inc452,490$104.6M0.02%−3,936−0.9%Reduced
Davenport & Co LLC448,933$103.8M0.57%+256+0.1%Added
Bank of New York Mellon Corp423,025$97.8M0.02%+53,828+14.6%Added
William Blair Investment Management, LLC411,432$95.1M0.25%+411,432New
Handelsbanken Fonder AB395,069$91.3M0.32%+90,491+29.7%Added
Bank of America Corp354,686$82.0M0.01%+46,683+15.2%Added
Impax Asset Management Group plc356,255$81.3M0.47%−126,998−26.3%Reduced
M.D. Sass Investors Services, Inc.328,869$76.0M6.12%−18,466−5.3%Reduced
FIL Ltd286,869$66.3M0.06%+64,481+29.0%Added
Silvercrest Asset Management Group LLC284,951$65.9M0.44%−10,034−3.4%Reduced
Federated Hermes, Inc.279,341$64.6M0.12%−122,131−30.4%Reduced
Neuberger Berman Group LLC275,958$63.8M0.05%+13,736+5.2%Added
American Century Companies Inc259,447$60.0M0.03%−46,600−15.2%Reduced
Vaughan Nelson Investment Management, L.P.255,580$59.1M0.55%+255,580New
Citigroup Inc246,497$57.0M0.04%−16,855−6.4%Reduced
Victory Capital Management Inc242,765$56.1M0.04%−4,629−1.9%Reduced
FMR LLC242,475$56.1M0.00%−401,425−62.3%Reduced
La Banque Postale Asset Management SA240,850$55.7M0.78%+47,211+24.4%Added
Citadel Advisors LLC240,240$55.5M0.05%+194,872+429.5%Added
Morgan Stanley236,698$54.7M0.00%−9,630−3.9%Reduced
UBS Group AG235,292$54.4M0.01%+114,661+95.1%Added
Raymond James Financial Inc228,997$52.9M0.02%−1,289−0.6%Reduced
12th Street Asset Management Company, LLC217,632$50.3M8.65%+24,585+12.7%Added
JPMorgan Chase & Co203,990$47.2M0.00%+1,033+0.5%Added
Robeco Schweiz AG201,545$46.6M1.08%−95,111−32.1%Reduced
Allianz Asset Management GmbH194,000$44.8M0.06%−82,896−29.9%Reduced
Marshall Wace, LLP193,175$44.7M0.05%+7,959+4.3%Added
Westfield Capital Management Co LP192,259$44.4M0.19%+192,259New
Thematics Asset Management190,837$44.1M1.98%+10,870+6.0%Added
Price T Rowe Associates Inc187,537$43.4M0.00%−85,718−31.4%Reduced
DekaBank Deutsche Girozentrale180,000$41.5M0.07%00.0%Unchanged
Voya Investment Management LLC176,874$40.9M0.04%+49,455+38.8%Added
Franklin Resources Inc176,866$40.9M0.01%−74,477−29.6%Reduced
Vontobel Holding Ltd.161,186$37.3M0.12%−49,002−23.3%Reduced
Qube Research & Technologies Ltd156,496$36.2M0.05%−30,491−16.3%Reduced
Two Sigma Investments, LP154,828$35.8M0.06%+26,601+20.7%Added
Leeward Investments, LLC - MA153,526$35.5M1.89%−4,428−2.8%Reduced
Adage Capital Partners GP, L.L.C.150,000$34.7M0.06%−77,000−33.9%Reduced
Macquarie Group Ltd137,114$31.7M0.04%−41,174−23.1%Reduced
Chilton Investment Co LLC133,893$31.0M0.69%+68,838+105.8%Added
Rhumbline Advisers133,644$30.9M0.03%−1,334−1.0%Reduced
Loomis Sayles & Co L P133,070$30.8M0.04%+4,038+3.1%Added
Hood River Capital Management LLC131,715$30.4M0.43%−196,958−59.9%Reduced
Royal Bank of Canada131,211$30.3M0.01%−18,413−12.3%Reduced
Natixis Advisors, L.P.130,225$30.1M0.05%+62,229+91.5%Added
Jupiter Asset Management Ltd126,598$29.3M0.24%−9,884−7.2%Reduced
Fuller & Thaler Asset Management, Inc.125,506$29.0M0.11%−30,075−19.3%Reduced
Swedbank AB125,000$28.9M0.03%+125,000New
Trinity Street Asset Management LLP121,104$28.0M1.92%+639+0.5%Added
Oberweis Asset Management Inc117,300$27.1M1.18%+6,980+6.3%Added
Principal Financial Group Inc114,222$26.4M0.01%−2,381−2.0%Reduced
Telemark Asset Management, LLC110,000$25.4M2.70%00.0%Unchanged
Aperture Investors, LLC109,259$25.3M3.39%−32,814−23.1%Reduced
Spirepoint Private Client, LLC109,120$25.2M2.85%−445−0.4%Reduced
Cramer Rosenthal McGlynn LLC107,704$24.9M1.71%−17,690−14.1%Reduced
Mountain Pacific Investment Advisers Inc107,011$24.7M1.79%+280.0%Added
Retirement Systems of Alabama105,008$24.3M0.09%−7,808−6.9%Reduced
OP Asset Management Ltd104,011$24.0M0.35%−6,864−6.2%Reduced
California Public Employees Retirement System101,205$23.4M0.01%+2,529+2.6%Added
Jane Street Group, LLC101,012$23.4M0.04%+92,591+1,099.5%Added
Swiss National Bank97,700$22.6M0.01%−1,500−1.5%Reduced
Fort Washington Investment Advisors Inc91,407$21.1M0.12%−18,018−16.5%Reduced
SG Capital Management LLC89,771$20.8M1.76%+89,771New
Legal & General Group Plc89,620$20.7M0.01%+999+1.1%Added
Allspring Global Investments Holdings, LLC90,158$20.7M0.03%−240.0%Reduced
Cresset Asset Management, LLC88,260$20.4M0.10%−632−0.7%Reduced
Picton Mahoney Asset Management86,186$19.9M0.28%+11,752+15.8%Added
Asset Management One Co.,Ltd.85,959$19.9M0.06%−15,458−15.2%Reduced
New York State Common Retirement Fund84,449$19.5M0.03%+5,518+7.0%Added
Nuveen, LLC82,753$19.1M0.01%−24,686−23.0%Reduced
Thrivent Financial for Lutherans82,262$19.0M0.04%−9,413−10.3%Reduced
Rivermont Capital Management LP80,743$18.7M5.95%−23,246−22.4%Reduced
State of Wisconsin Investment Board76,167$17.6M0.04%−2,765−3.5%Reduced
Comerica Bank74,377$17.2M0.07%+57,148+331.7%Added
Toroso Investments, LLC73,701$17.0M0.11%−1,621−2.2%Reduced
Covea Finance70,487$16.3M0.61%+30,987+78.4%Added
Border to Coast Pensions Partnership Ltd70,000$16.2M0.30%−5,000−6.7%Reduced
Envestnet Asset Management Inc70,735$16.1M0.00%−51−0.1%Reduced
Millennium Management LLC69,617$16.1M0.01%−293,275−80.8%Reduced
Sirios Capital Management L P69,188$16.0M2.32%+8,779+14.5%Added
Rockefeller Capital Management L.P.69,038$16.0M0.04%−1,401−2.0%Reduced
Stifel Financial Corp67,439$15.6M0.02%−331−0.5%Reduced