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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
Congress Park Capital LLC6,452$1.93M0.52%−645−9.1%Reduced
Trexquant Investment LP6,478$1.94M0.01%+6,478New
Fulcrum Asset Management LLP6,569$1.97M0.20%−8,986−57.8%Reduced
Daiwa Securities Group Inc.6,780$2.03M0.00%−2,509−27.0%Reduced
TimesSquare Capital Management, LLC6,796$2.03M0.03%00.0%Unchanged
CAPROCK Group, Inc.6,854$2.05M0.04%−644−8.6%Reduced
The PNC Financial Services Group, Inc.6,955$2.08M0.00%+229+3.4%Added
Xponance, Inc.6,985$2.09M0.01%+853+13.9%Added
Quantbot Technologies LP6,997$2.09M0.08%+6,997New
Maridea Wealth Management LLC7,065$2.11M0.23%+207+3.0%Added
Dana Investment Advisors, Inc.7,273$2.17M0.06%−270−3.6%Reduced
Amundi7,436$2.22M0.00%−99,080−93.0%Reduced
HighTower Advisors, LLC7,518$2.25M0.00%−898−10.7%Reduced
Captrust Financial Advisors7,636$2.28M0.00%+1,059+16.1%Added
Shelton Capital Management7,709$2.30M0.04%00.0%Unchanged
Teacher Retirement System of Texas8,562$2.56M0.01%+772+9.9%Added
Groupe la Francaise8,588$2.57M0.03%−1,712−16.6%Reduced
Marshall Wace, LLP8,667$2.59M0.00%−35,810−80.5%Reduced
Colonial Trust Advisors8,691$2.60M0.18%−437−4.8%Reduced
Winton Group Ltd8,760$2.62M0.08%+8,760New
Union Bancaire Privee, UBP SA8,812$2.64M0.04%−324−3.5%Reduced
Sandler Capital Management8,985$2.68M1.59%−2,042−18.5%Reduced
Vestmark Advisory Solutions, Inc.9,233$2.76M0.03%+2,549+38.1%Added
Algert Global LLC9,250$2.76M0.03%+9,250New
Robeco Schweiz AG9,500$2.84M0.05%00.0%Unchanged
EverSource Wealth Advisors, LLC9,546$2.85M0.10%−402−4.0%Reduced
Agf Management Ltd9,998$2.99M0.01%−3,093−23.6%Reduced
SMA Capital LLC10,000$2.99M1.25%+10,000New
DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main10,101$3.02M0.00%−10,449−50.8%Reduced
Wealth Enhancement Advisory Services, LLC9,924$3.02M0.01%+5,298+114.5%Added
Advisors Asset Management, Inc.10,154$3.03M0.05%−1,826−15.2%Reduced
K.J. Harrison & Partners Inc10,225$3.05M0.43%−2,070−16.8%Reduced
Jain Global LLC10,245$3.06M0.04%+10,245New
Oregon Public Employees Retirement Fund10,253$3.06M0.03%−63−0.6%Reduced
Creative Planning10,270$3.07M0.00%+3,042+42.1%Added
New Mexico Educational Retirement Board10,300$3.08M0.08%00.0%Unchanged
FORA Capital, LLC10,374$3.10M0.21%+9,125+730.6%Added
JustInvest LLC10,581$3.16M0.03%−574−5.1%Reduced
Gradient Investments LLC10,687$3.19M0.04%+513+5.0%Added
Y-Intercept (Hong Kong) Ltd10,690$3.19M0.06%+10,690New
M&T Bank Corp10,830$3.24M0.01%−415−3.7%Reduced
Deroy & Devereaux Private Investment Counsel Inc10,840$3.24M0.14%−85−0.8%Reduced
Edentree Asset Management Ltd11,002$3.28M1.00%00.0%Unchanged
TD Asset Management Inc11,064$3.31M0.00%−1,734−13.5%Reduced
Colony Group, LLC11,124$3.32M0.00%−3,122−21.9%Reduced
Northwestern Mutual Investment Management Company, LLC11,174$3.34M0.04%−79−0.7%Reduced
Aquatic Capital Management LLC11,370$3.40M0.12%+9,897+671.9%Added
State of Michigan Retirement System11,607$3.47M0.02%−500−4.1%Reduced
Cerity Partners LLC11,805$3.53M0.00%+1,361+13.0%Added
Commonwealth of Pennsylvania Public School Empls Retrmt Sys11,892$3.55M0.02%−692−5.5%Reduced
Bridges Investment Management Inc12,120$3.62M0.04%+52+0.4%Added
Oak Thistle LLC12,748$3.81M0.37%−1,958−13.3%Reduced
Vanguard Investments Australia, Ltd.12,963$3.87M0.01%+174+1.4%Added
Panagora Asset Management Inc13,069$3.90M0.01%+11,414+689.7%Added
Fifth Third Bancorp13,284$3.97M0.01%−1,487−10.1%Reduced
Montanaro Asset Management Ltd13,500$4.03M1.27%+9,900+275.0%Added
Summit Trail Advisors, LLC13,629$4.07M0.05%+850+6.7%Added
Arizona State Retirement System13,870$4.14M0.02%−80−0.6%Reduced
Investors Towarzystwo Funduszy Inwestycyjnych Spolka Akcyjna14,032$4.19M1.40%−3,075−18.0%Reduced
Scotia Capital Inc.14,056$4.20M0.02%−217−1.5%Reduced
Yousif Capital Management, LLC14,210$4.25M0.05%−1,075−7.0%Reduced
Louisiana State Employees Retirement System14,500$4.33M0.06%−100−0.7%Reduced
Lombard Odier Asset Management (Europe) Ltd14,600$4.36M0.19%−1,186−7.5%Reduced
Van Eck Associates Corp14,906$4.45M0.00%00.0%Unchanged
Ameritas Investment Partners, Inc.14,907$4.45M0.12%−111−0.7%Reduced
PKO Investment Management Joint-Stock Co15,000$4.48M0.33%00.0%Unchanged
Teachers Retirement System of the State of Kentucky15,152$4.53M0.03%−5,053−25.0%Reduced
Mercer Global Advisors Inc15,351$4.59M0.01%+1,298+9.2%Added
Amica Mutual Insurance Co15,377$4.59M0.38%−3,948−20.4%Reduced
State of New Jersey Common Pension Fund D15,594$4.66M0.02%−886−5.4%Reduced
Franklin Resources Inc15,856$4.74M0.00%+10,916+221.0%Added
Prelude Capital Management, LLC15,913$4.75M0.35%+1,260+8.6%Added
Cetera Investment Advisers16,429$4.91M0.00%+138+0.8%Added
Fideuram - Intesa Sanpaolo Private Banking S.P.A.16,567$4.95M0.15%−430−2.5%Reduced
D. E. Shaw & Co., Inc.16,798$5.02M0.00%−19,973−54.3%Reduced
KLP Kapitalforvaltning AS16,840$5.03M0.02%+440+2.7%Added
Worldquant Millennium Advisors LLC18,141$5.42M0.02%+6,431+54.9%Added
Schonfeld Strategic Advisors LLC18,601$5.56M0.03%+18,601New
Acadian Asset Management LLC18,762$5.60M0.01%+12,949+222.8%Added
Man Group plc18,764$5.61M0.01%−2,631−12.3%Reduced
Vanguard Global Advisers, LLC18,953$5.66M0.00%−1,142−5.7%Reduced
Brant Point Investment Management LLC19,039$5.69M1.27%−1,106−5.5%Reduced
Tudor Investment Corp Et Al19,061$5.69M0.02%+19,061New
D L Carlson Investment Group Inc19,325$5.77M0.92%+74+0.4%Added
Occudo Quantitative Strategies LP20,216$6.04M0.32%+16,433+434.4%Added
State of Tennessee, Treasury Department20,833$6.22M0.02%+3,898+23.0%Added
LPL Financial LLC21,068$6.29M0.00%+1,265+6.4%Added
Cinctive Capital Management LP21,212$6.34M0.25%+13,227+165.6%Added
Lansing Management LP21,463$6.41M3.88%−2,050−8.7%Reduced
Mountain Pacific Investment Advisers Inc21,597$6.45M1.02%−1,835−7.8%Reduced
Treasurer of the State of North Carolina21,626$6.46M0.02%−60−0.3%Reduced
Alphinity Investment Management Pty Ltd21,767$6.50M0.11%+21,767New
HSBC Holdings PLC22,326$6.70M0.00%−134−0.6%Reduced
Amalgamated Bank22,606$6.75M0.05%−111−0.5%Reduced
Hilton Capital Management, LLC22,689$6.78M0.46%+1,179+5.5%Added
Police & Firemen's Retirement System of New Jersey22,822$6.82M0.05%+1,283+6.0%Added
CI Private Wealth, LLC23,260$6.95M0.01%−16,694−41.8%Reduced
Chilton Investment Co LLC23,671$7.07M0.17%−740−3.0%Reduced
J.P. Marvel Investment Advisors, LLC23,908$7.14M0.82%−217−0.9%Reduced
Atria Investments LLC24,035$7.18M0.07%−5,870−19.6%Reduced