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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
UBS Group AG113,335$33.9M0.01%−112,966−49.9%Reduced
Allianz Asset Management GmbH116,926$34.9M0.03%+75,964+185.4%Added
Gotham Asset Management, LLC118,271$35.3M0.08%−16,360−12.2%Reduced
Vontobel Holding Ltd.120,389$36.0M0.12%−17,707−12.8%Reduced
Natixis Advisors, L.P.131,435$39.3M0.04%−9,050−6.4%Reduced
Rhumbline Advisers132,825$39.7M0.03%−918−0.7%Reduced
Grantham, Mayo, Van Otterloo & Co. LLC135,230$40.4M0.09%−363−0.3%Reduced
Leeward Investments, LLC - MA135,566$40.5M1.84%−5,085−3.6%Reduced
OP Asset Management Ltd146,009$43.6M0.47%+46,808+47.2%Added
Thrivent Financial for Lutherans149,177$44.6M0.07%+77,074+106.9%Added
Munro Partners149,769$44.7M1.02%+109,100+268.3%Added
Oberweis Asset Management Inc153,475$45.9M0.95%+9,120+6.3%Added
Federated Hermes, Inc.161,436$48.2M0.07%−7,848−4.6%Reduced
12th Street Asset Management Company, LLC166,534$49.8M7.09%−38,182−18.7%Reduced
Raymond James Financial Inc167,826$50.1M0.01%−5,874−3.4%Reduced
DekaBank Deutsche Girozentrale180,000$50.7M0.09%00.0%Unchanged
Holocene Advisors, LP211,217$63.1M0.14%+211,217New
JPMorgan Chase & Co209,377$63.5M0.00%−4,755−2.2%Reduced
Neuberger Berman Group LLC220,828$66.0M0.04%+26,789+13.8%Added
Silvercrest Asset Management Group LLC234,409$70.0M0.46%−5,890−2.5%Reduced
Qube Research & Technologies Ltd247,078$73.8M0.08%+247,078New
Jane Street Group, LLC258,710$77.3M0.05%+125,913+94.8%Added
Westfield Capital Management Co LP268,348$80.2M0.26%+7,256+2.8%Added
M.D. Sass Investors Services, Inc.270,507$80.8M5.35%+17,967+7.1%Added
Morgan Stanley280,859$83.9M0.00%−9,470−3.3%Reduced
Davenport & Co LLC293,384$87.8M0.45%−49,198−14.4%Reduced
Steadfast Capital Management LP302,091$90.2M2.77%+302,091New
Vanguard Fiduciary Trust Co314,047$93.8M0.02%+4,394+1.4%Added
Citadel Advisors LLC314,347$93.9M0.05%+279,525+802.7%Added
Vaughan Nelson Investment Management, L.P.342,420$102.3M0.90%−44,120−11.4%Reduced
Quantinno Capital Management LP342,589$102.3M0.12%−38,356−10.1%Reduced
Bank of New York Mellon Corp354,685$106.0M0.02%−27,543−7.2%Reduced
William Blair Investment Management, LLC419,210$125.2M0.38%−23,888−5.4%Reduced
Two Sigma Investments, LP423,106$126.4M0.10%−300,922−41.6%Reduced
T. Rowe Price Investment Management, Inc.441,280$131.8M0.09%−36,007−7.5%Reduced
Invesco Ltd.450,801$134.7M0.01%+29,341+7.0%Added
Northern Trust Corp455,688$136.1M0.02%+7,018+1.6%Added
UBS Asset Management Americas Inc466,863$139.5M0.03%−50,698−9.8%Reduced
Charles Schwab Investment Management Inc473,991$141.6M0.02%−656−0.1%Reduced
Bank of America Corp477,994$142.8M0.01%+166,087+53.2%Added
AQR Capital Management LLC478,075$142.8M0.05%+297,407+164.6%Added
Hood River Capital Management LLC498,747$149.0M1.08%+374,472+301.3%Added
Nordea Investment Management AB526,178$157.1M0.13%−42,230−7.4%Reduced
Dimensional Fund Advisors LP606,181$181.1M0.03%−2,528−0.4%Reduced
Pictet Asset Management Holding SA608,808$181.9M0.17%−633,334−51.0%Reduced
Norges Bank632,096$188.8M0.02%+632,096New
Select Equity Group, L.P.728,374$217.6M1.15%−403,228−35.6%Reduced
Bessemer Group Inc763,028$228.0M0.31%−168,999−18.1%Reduced
FIL Ltd877,433$262.1M0.19%+367,754+72.2%Added
Durable Capital Partners LP892,405$266.6M2.59%−158,568−15.1%Reduced
Goldman Sachs Group Inc900,225$268.9M0.03%−28,852−3.1%Reduced
Snyder Capital Management L P922,182$275.5M4.76%−7,145−0.8%Reduced
First Trust Advisors LP993,170$296.7M0.17%+214,729+27.6%Added
Clearbridge Investments, LLC1,126,744$336.6M0.28%−76,033−6.3%Reduced
Geode Capital Management, LLC1,129,240$337.4M0.02%+183,348+19.4%Added
D1 Capital Partners L.P.SuperinvestorD1 Capital Partners1,315,501$393.0M1.13%−22,780−1.7%Reduced
State Street Corp1,582,004$472.6M0.01%+44,707+2.9%Added
Jupiter Topco LLC1,598,574$477.6M0.19%+1,598,574New
Vanguard Portfolio Management LLC1,983,336$592.5M0.03%+20,385+1.0%Added
Vanguard Capital Management LLC2,182,972$652.2M0.01%+13,608+0.6%Added
FMR LLC3,002,654$897.0M0.04%+901,475+42.9%Added
Wellington Management Group LLP3,155,233$942.6M0.16%−421,801−11.8%Reduced
BlackRock, Inc.5,076,220$1.52B0.02%+273,728+5.7%Added
Lone Pine Capital LLCSuperinvestorLone Pine Capital0$00.00%−1,754,950−100.0%Sold out
Millennium Management LLC0$00.00%−63,880−100.0%Sold out
Charter Oak Advisors LP0$00.00%−63,214−100.0%Sold out
Thornburg Investment Management Inc0$00.00%−37,762−100.0%Sold out
Sycomore Asset Management0$00.00%−31,437−100.0%Sold out
One Madison Group LLC0$00.00%−24,160−100.0%Sold out
Atika Capital Management LLC0$00.00%−21,855−100.0%Sold out
Heights Point Management, LP0$00.00%−8,340−100.0%Sold out
Susquehanna Portfolio Strategies, LLC0$00.00%−8,018−100.0%Sold out
Ecofi Investissements SA0$00.00%−7,450−100.0%Sold out
Aventail Capital Group, LP0$00.00%−7,013−100.0%Sold out
HighVista Strategies LLC0$00.00%−5,543−100.0%Sold out
Okabena Investment Services Inc0$00.00%−5,249−100.0%Sold out
Dark Forest Capital Management LP0$00.00%−5,051−100.0%Sold out
Settian Capital LP0$00.00%−5,000−100.0%Sold out
AXA S.A.0$00.00%−4,161−100.0%Sold out
Moody National Bank Trust Division0$00.00%−3,224−100.0%Sold out
SkyView Investment Advisors, LLC0$00.00%−2,428−100.0%Sold out
Consolidated Press International Holdings Ltd0$00.00%−2,200−100.0%Sold out
Fairvoy Private Wealth, LLC0$00.00%−2,156−100.0%Sold out
Lighthouse Investment Partners, LLC0$00.00%−2,115−100.0%Sold out
Resources Investment Advisors, LLC.0$00.00%−1,669−100.0%Sold out
Triglav Skladi, D.O.O.0$00.00%−1,502−100.0%Sold out
Neo Ivy Capital Management0$00.00%−1,397−100.0%Sold out
Nomura Holdings Inc0$00.00%−1,334−100.0%Sold out
Two Sigma Securities, LLC0$00.00%−1,151−100.0%Sold out
BBR Partners, LLC0$00.00%−1,105−100.0%Sold out
Kathmere Capital Management, LLC0$00.00%−1,064−100.0%Sold out
Altar Rock LLC0$00.00%−988−100.0%Sold out
World Equity Group, Inc.0$00.00%−962−100.0%Sold out
Edgestream Partners, L.P.0$00.00%−869−100.0%Sold out
Equitable Holdings, Inc.0$00.00%−829−100.0%Sold out
49 Wealth Management, LLC0$00.00%−783−100.0%Sold out
Kemnay Advisory Services Inc.0$00.00%−554−100.0%Sold out
Aster Capital Management (DIFC) Ltd0$00.00%−628−100.0%Sold out
Vega Investment Solutions0$00.00%−404−100.0%Sold out
Root Financial Partners, LLC0$00.00%−241−100.0%Sold out