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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
Ci Investments Inc.15,056$3.48M0.01%−3,017−16.7%Reduced
PKO Investment Management Joint-Stock Co15,000$3.47M0.37%00.0%Unchanged
South Dakota Investment Council14,950$3.46M0.07%00.0%Unchanged
Arizona State Retirement System14,932$3.45M0.02%+244+1.7%Added
Ensign Peak Advisors, Inc14,721$3.40M0.01%−2,800−16.0%Reduced
DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main14,643$3.39M0.00%+9,934+211.0%Added
Scotia Capital Inc.14,403$3.33M0.02%−8−0.1%Reduced
Louisiana State Employees Retirement System14,200$3.28M0.06%00.0%Unchanged
Kempen Capital Management N.V.14,128$3.27M0.03%+14,128New
Point72 Hong Kong Ltd13,403$3.10M0.21%−6,689−33.3%Reduced
Prelude Capital Management, LLC13,012$3.01M0.29%+5,135+65.2%Added
Commonwealth of Pennsylvania Public School Empls Retrmt Sys12,940$2.99M0.02%+829+6.8%Added
Cannell Capital LLC12,937$2.99M0.93%−18,681−59.1%Reduced
State of Michigan Retirement System12,107$2.80M0.01%00.0%Unchanged
Algert Global LLC11,836$2.74M0.06%00.0%Unchanged
Northwestern Mutual Investment Management Company, LLC11,246$2.60M0.04%−19−0.2%Reduced
Edentree Asset Management Ltd11,002$2.54M0.70%00.0%Unchanged
New Age Alpha Advisors, LLC10,899$2.52M0.11%+629+6.1%Added
BNP Paribas Arbitrage, SA10,783$2.49M0.00%−1,538−12.5%Reduced
Groupe la Francaise10,780$2.49M0.04%+2,400+28.6%Added
Teacher Retirement System of Texas10,687$2.47M0.01%+863+8.8%Added
Pinebridge Investments, L.P.10,338$2.39M0.02%+5,770+126.3%Added
Oregon Public Employees Retirement Fund10,320$2.39M0.04%−52−0.5%Reduced
New Mexico Educational Retirement Board10,300$2.38M0.08%00.0%Unchanged
HRT Financial LP10,301$2.38M0.01%+10,301New
EverSource Wealth Advisors, LLC10,230$2.36M0.11%+128+1.3%Added
Fulcrum Asset Management LLP10,226$2.36M0.67%+10,226New
Coyle Financial Counsel LLC10,206$2.36M0.63%+537+5.6%Added
Engineers Gate Manager LP9,593$2.22M0.03%−23,333−70.9%Reduced
Hancock Whitney Corp9,589$2.22M0.04%−708−6.9%Reduced
Colonial Trust Advisors9,445$2.18M0.18%00.0%Unchanged
JustInvest LLC9,411$2.18M0.02%+733+8.4%Added
Bridges Investment Management Inc9,309$2.15M0.03%+1,252+15.5%Added
Schonfeld Strategic Advisors LLC9,094$2.10M0.02%−16,134−64.0%Reduced
Northwest & Ethical Investments L.P.8,872$2.05M0.05%−1,593−15.2%Reduced
BNP Paribas8,221$1.90M0.06%00.0%Unchanged
Roberts Capital Advisors, LLC8,057$1.86M1.38%00.0%Unchanged
Shelton Capital Management7,894$1.82M0.04%−2,000−20.2%Reduced
Wiley Bros.-Aintree Capital, LLC7,916$1.82M0.01%+5,621+244.9%Added
Congress Park Capital LLC7,867$1.82M0.60%+270+3.6%Added
Cerity Partners LLC7,709$1.78M0.00%−275−3.4%Reduced
Truist Financial Corp7,434$1.72M0.00%−252−3.3%Reduced
Benjamin Edwards Inc7,188$1.66M0.02%+1,752+32.2%Added
Captrust Financial Advisors6,841$1.58M0.00%−721−9.5%Reduced
TimesSquare Capital Management, LLC6,770$1.57M0.02%−2,900−30.0%Reduced
Tredje AP-fonden6,765$1.56M0.01%00.0%Unchanged
Southeast Asset Advisors Inc.6,734$1.56M0.19%−1,960−22.5%Reduced
Xponance, Inc.6,501$1.50M0.01%−202−3.0%Reduced
GWM Advisors LLC6,425$1.49M0.01%−494−7.1%Reduced
Oak Thistle LLC6,364$1.47M0.22%+4,873+326.8%Added
Trexquant Investment LP5,950$1.38M0.02%+1,284+27.5%Added
Atom Investors LP5,844$1.35M0.12%+5,844New
LMCG Investments, LLC5,777$1.34M0.08%−285−4.7%Reduced
SG Americas Securities, LLC5,728$1.32M0.01%−19,298−77.1%Reduced
Prudential Financial Inc5,627$1.30M0.00%+416+8.0%Added
NVWM, LLC5,588$1.29M0.31%−36−0.6%Reduced
Mercer Global Advisors Inc5,459$1.26M0.00%−35−0.6%Reduced
The PNC Financial Services Group, Inc.5,456$1.26M0.00%+571+11.7%Added
Truvestments Capital LLC5,412$1.25M0.25%+335+6.6%Added
Creative Planning5,356$1.24M0.00%+1,325+32.9%Added
Brevan Howard Capital Management LP5,287$1.22M0.01%+5,287New
Summit Trail Advisors, LLC5,247$1.21M0.02%+5,247New
Amundi5,255$1.21M0.00%−1,001−16.0%Reduced
Public Employees Retirement Association of Colorado5,081$1.18M0.00%−432−7.8%Reduced
Settian Capital LP5,000$1.16M0.81%00.0%Unchanged
Cambridge Investment Research Advisors, Inc.4,985$1.15M0.00%+351+7.6%Added
Vestcor Inc4,971$1.15M0.03%00.0%Unchanged
Moody National Bank Trust Division4,941$1.14M0.10%−11−0.2%Reduced
Russell Investments Group, Ltd.4,837$1.12M0.00%+1,908+65.1%Added
Pathstone Holdings, LLC4,765$1.10M0.00%+143+3.1%Added
HighTower Advisors, LLC4,627$1.07M0.00%+353+8.3%Added
Wolverine Trading, LLC4,569$1.06M0.03%−1,401−23.5%Reduced
Access Financial Services, Inc.4,561$1.05M0.40%+9+0.2%Added
Knollwood Investment Advisory, LLC4,500$1.04M0.10%00.0%Unchanged
Baird Financial Group, Inc.4,418$1.02M0.00%+60+1.4%Added
SFE Investment Counsel4,392$1.02M0.18%−35−0.8%Reduced
Commonwealth Equity Services, LLC4,288$991.0K0.00%−105−2.4%Reduced
ISAM Funds (UK) Ltd4,253$983.2K0.22%+4,253New
Ashton Thomas Private Wealth, LLC4,206$972.3K0.03%+99+2.4%Added
Nisa Investment Advisors, LLC4,167$963.3K0.00%+3+0.1%Added
Advisor Group Holdings, Inc.3,993$923.1K0.00%−183−4.4%Reduced
Murphy & Mullick Capital Management Corp3,914$923.0K0.75%00.0%Unchanged
O'Shaughnessy Asset Management, LLC3,966$916.9K0.01%+347+9.6%Added
D. E. Shaw & Co., Inc.3,963$916.2K0.00%−107,743−96.5%Reduced
Securian Asset Management, Inc3,901$901.8K0.03%00.0%Unchanged
Quadrant Capital Group LLC3,893$900.0K0.03%+1,031+36.0%Added
Simplicity Wealth,LLC3,880$897.0K0.04%+835+27.4%Added
Aquatic Capital Management LLC3,837$887.0K0.02%−21,377−84.8%Reduced
Oppenheimer & Co Inc3,819$882.9K0.01%+865+29.3%Added
Axq Capital, LP3,819$882.9K0.29%+2,225+139.6%Added
Sterling Capital Management LLC3,741$864.8K0.01%+589+18.7%Added
Fulton Bank, N.A.3,737$863.9K0.03%−30−0.8%Reduced
Janney Montgomery Scott LLC3,620$837.0K0.00%−4,690−56.4%Reduced
Stephens Inc3,547$820.0K0.01%+122+3.6%Added
Wealth Enhancement Advisory Services, LLC3,472$813.0K0.00%+27+0.8%Added
MML Investors Services, LLC3,472$803.0K0.00%−433−11.1%Reduced
Aigen Investment Management, LP3,414$789.2K0.11%+720+26.7%Added
Legato Capital Management LLC3,367$778.4K0.09%00.0%Unchanged
Genesee Capital Advisors, LLC3,364$777.7K0.35%+206+6.5%Added
Ethic Inc.3,272$756.0K0.01%+487+17.5%Added