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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
BlackRock, Inc.5,076,220$1.52B0.02%+273,728+5.7%Added
Wellington Management Group LLP3,155,233$942.6M0.16%−421,801−11.8%Reduced
FMR LLC3,002,654$897.0M0.04%+901,475+42.9%Added
Vanguard Capital Management LLC2,182,972$652.2M0.01%+13,608+0.6%Added
Vanguard Portfolio Management LLC1,983,336$592.5M0.03%+20,385+1.0%Added
Jupiter Topco LLC1,598,574$477.6M0.19%+1,598,574New
State Street Corp1,582,004$472.6M0.01%+44,707+2.9%Added
D1 Capital Partners L.P.SuperinvestorD1 Capital Partners1,315,501$393.0M1.13%−22,780−1.7%Reduced
Geode Capital Management, LLC1,129,240$337.4M0.02%+183,348+19.4%Added
Clearbridge Investments, LLC1,126,744$336.6M0.28%−76,033−6.3%Reduced
First Trust Advisors LP993,170$296.7M0.17%+214,729+27.6%Added
Snyder Capital Management L P922,182$275.5M4.76%−7,145−0.8%Reduced
Goldman Sachs Group Inc900,225$268.9M0.03%−28,852−3.1%Reduced
Durable Capital Partners LP892,405$266.6M2.59%−158,568−15.1%Reduced
FIL Ltd877,433$262.1M0.19%+367,754+72.2%Added
Bessemer Group Inc763,028$228.0M0.31%−168,999−18.1%Reduced
Select Equity Group, L.P.728,374$217.6M1.15%−403,228−35.6%Reduced
Norges Bank632,096$188.8M0.02%+632,096New
Pictet Asset Management Holding SA608,808$181.9M0.17%−633,334−51.0%Reduced
Dimensional Fund Advisors LP606,181$181.1M0.03%−2,528−0.4%Reduced
Nordea Investment Management AB526,178$157.1M0.13%−42,230−7.4%Reduced
Hood River Capital Management LLC498,747$149.0M1.08%+374,472+301.3%Added
AQR Capital Management LLC478,075$142.8M0.05%+297,407+164.6%Added
Bank of America Corp477,994$142.8M0.01%+166,087+53.2%Added
Charles Schwab Investment Management Inc473,991$141.6M0.02%−656−0.1%Reduced
UBS Asset Management Americas Inc466,863$139.5M0.03%−50,698−9.8%Reduced
Northern Trust Corp455,688$136.1M0.02%+7,018+1.6%Added
Invesco Ltd.450,801$134.7M0.01%+29,341+7.0%Added
T. Rowe Price Investment Management, Inc.441,280$131.8M0.09%−36,007−7.5%Reduced
Two Sigma Investments, LP423,106$126.4M0.10%−300,922−41.6%Reduced
William Blair Investment Management, LLC419,210$125.2M0.38%−23,888−5.4%Reduced
Bank of New York Mellon Corp354,685$106.0M0.02%−27,543−7.2%Reduced
Quantinno Capital Management LP342,589$102.3M0.12%−38,356−10.1%Reduced
Vaughan Nelson Investment Management, L.P.342,420$102.3M0.90%−44,120−11.4%Reduced
Citadel Advisors LLC314,347$93.9M0.05%+279,525+802.7%Added
Vanguard Fiduciary Trust Co314,047$93.8M0.02%+4,394+1.4%Added
Steadfast Capital Management LP302,091$90.2M2.77%+302,091New
Davenport & Co LLC293,384$87.8M0.45%−49,198−14.4%Reduced
Morgan Stanley280,859$83.9M0.00%−9,470−3.3%Reduced
M.D. Sass Investors Services, Inc.270,507$80.8M5.35%+17,967+7.1%Added
Westfield Capital Management Co LP268,348$80.2M0.26%+7,256+2.8%Added
Jane Street Group, LLC258,710$77.3M0.05%+125,913+94.8%Added
Qube Research & Technologies Ltd247,078$73.8M0.08%+247,078New
Silvercrest Asset Management Group LLC234,409$70.0M0.46%−5,890−2.5%Reduced
Neuberger Berman Group LLC220,828$66.0M0.04%+26,789+13.8%Added
JPMorgan Chase & Co209,377$63.5M0.00%−4,755−2.2%Reduced
Holocene Advisors, LP211,217$63.1M0.14%+211,217New
DekaBank Deutsche Girozentrale180,000$50.7M0.09%00.0%Unchanged
Raymond James Financial Inc167,826$50.1M0.01%−5,874−3.4%Reduced
12th Street Asset Management Company, LLC166,534$49.8M7.09%−38,182−18.7%Reduced
Federated Hermes, Inc.161,436$48.2M0.07%−7,848−4.6%Reduced
Oberweis Asset Management Inc153,475$45.9M0.95%+9,120+6.3%Added
Munro Partners149,769$44.7M1.02%+109,100+268.3%Added
Thrivent Financial for Lutherans149,177$44.6M0.07%+77,074+106.9%Added
OP Asset Management Ltd146,009$43.6M0.47%+46,808+47.2%Added
Leeward Investments, LLC - MA135,566$40.5M1.84%−5,085−3.6%Reduced
Grantham, Mayo, Van Otterloo & Co. LLC135,230$40.4M0.09%−363−0.3%Reduced
Rhumbline Advisers132,825$39.7M0.03%−918−0.7%Reduced
Natixis Advisors, L.P.131,435$39.3M0.04%−9,050−6.4%Reduced
Vontobel Holding Ltd.120,389$36.0M0.12%−17,707−12.8%Reduced
Gotham Asset Management, LLC118,271$35.3M0.08%−16,360−12.2%Reduced
Allianz Asset Management GmbH116,926$34.9M0.03%+75,964+185.4%Added
UBS Group AG113,335$33.9M0.01%−112,966−49.9%Reduced
Principal Financial Group Inc112,688$33.7M0.02%+582+0.5%Added
California Public Employees Retirement System108,605$32.4M0.02%+3,875+3.7%Added
Spirepoint Private Client, LLC105,838$31.6M2.56%−208−0.2%Reduced
Point72 Asset Management, L.P.105,105$31.4M0.05%+48,508+85.7%Added
Royal Bank of Canada104,914$31.3M0.01%+601+0.6%Added
Swiss National Bank100,840$30.1M0.02%+440+0.4%Added
Telemark Asset Management, LLC100,000$29.9M2.16%00.0%Unchanged
Trinity Street Asset Management LLP97,925$29.3M1.51%−11,466−10.5%Reduced
Visualize Group LP96,300$28.8M9.90%00.0%Unchanged
Fort Washington Investment Advisors Inc93,425$27.9M0.14%+22,148+31.1%Added
Mirova92,631$27.7M1.02%−38,044−29.1%Reduced
Cresset Asset Management, LLC90,669$27.1M0.10%+2,445+2.8%Added
HRT Financial LP90,556$27.1M0.05%+90,556New
Bank of Montreal87,012$26.0M0.01%−1,040−1.2%Reduced
Allspring Global Investments Holdings, LLC85,999$25.0M0.04%−4,266−4.7%Reduced
Fuller & Thaler Asset Management, Inc.83,198$24.9M0.07%+28,945+53.4%Added
Renaissance Technologies LLC82,202$24.6M0.03%+82,202New
Retirement Systems of Alabama81,929$24.5M0.07%−10,195−11.1%Reduced
Eurizon Capital SGR S.p.A.80,250$24.0M0.06%+29,259+57.4%Added
Ci Investments Inc.78,681$23.5M0.08%+58,421+288.4%Added
Victory Capital Management Inc78,239$23.4M0.01%+4,579+6.2%Added
Nuveen, LLC77,092$23.0M0.01%+8,126+11.8%Added
BNP Paribas Arbitrage, SA76,817$22.9M0.01%+70,825+1,182.0%Added
Balyasny Asset Management LLC76,523$22.9M0.04%+46,102+151.5%Added
Jupiter Asset Management Ltd76,373$22.8M0.11%−6,552−7.9%Reduced
SG Capital Management LLC75,270$22.5M2.04%+75,270New
Citigroup Inc74,436$22.2M0.01%+13,930+23.0%Added
Assenagon Asset Management S.A.72,519$21.7M0.03%+23,576+48.2%Added
Loomis Sayles & Co L P70,872$21.2M0.03%−3,911−5.2%Reduced
Needham Investment Management LLC70,106$20.9M0.63%+1,250+1.8%Added
Legal & General Group Plc67,504$20.2M0.00%−1,242−1.8%Reduced
Handelsbanken Fonder AB65,529$19.6M0.06%−27,815−29.8%Reduced
Jones Financial Companies LLLP63,971$19.3M0.01%+1,384+2.2%Added
Impax Asset Management Group plc61,651$18.4M0.12%−61,335−49.9%Reduced
State of Wisconsin Investment Board61,180$18.3M0.04%+544+0.9%Added
SEI Investments Co59,274$17.7M0.02%+21,858+58.4%Added
Alliancebernstein L.P.61,660$17.7M0.01%−8,766−12.4%Reduced