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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
Ashton Thomas Private Wealth, LLC4,206$972.3K0.03%+99+2.4%Added
ISAM Funds (UK) Ltd4,253$983.2K0.22%+4,253New
Commonwealth Equity Services, LLC4,288$991.0K0.00%−105−2.4%Reduced
SFE Investment Counsel4,392$1.02M0.18%−35−0.8%Reduced
Baird Financial Group, Inc.4,418$1.02M0.00%+60+1.4%Added
Knollwood Investment Advisory, LLC4,500$1.04M0.10%00.0%Unchanged
Access Financial Services, Inc.4,561$1.05M0.40%+9+0.2%Added
Wolverine Trading, LLC4,569$1.06M0.03%−1,401−23.5%Reduced
HighTower Advisors, LLC4,627$1.07M0.00%+353+8.3%Added
Pathstone Holdings, LLC4,765$1.10M0.00%+143+3.1%Added
Russell Investments Group, Ltd.4,837$1.12M0.00%+1,908+65.1%Added
Moody National Bank Trust Division4,941$1.14M0.10%−11−0.2%Reduced
Vestcor Inc4,971$1.15M0.03%00.0%Unchanged
Cambridge Investment Research Advisors, Inc.4,985$1.15M0.00%+351+7.6%Added
Settian Capital LP5,000$1.16M0.81%00.0%Unchanged
Public Employees Retirement Association of Colorado5,081$1.18M0.00%−432−7.8%Reduced
Amundi5,255$1.21M0.00%−1,001−16.0%Reduced
Summit Trail Advisors, LLC5,247$1.21M0.02%+5,247New
Brevan Howard Capital Management LP5,287$1.22M0.01%+5,287New
Creative Planning5,356$1.24M0.00%+1,325+32.9%Added
Truvestments Capital LLC5,412$1.25M0.25%+335+6.6%Added
The PNC Financial Services Group, Inc.5,456$1.26M0.00%+571+11.7%Added
Mercer Global Advisors Inc5,459$1.26M0.00%−35−0.6%Reduced
NVWM, LLC5,588$1.29M0.31%−36−0.6%Reduced
Prudential Financial Inc5,627$1.30M0.00%+416+8.0%Added
SG Americas Securities, LLC5,728$1.32M0.01%−19,298−77.1%Reduced
LMCG Investments, LLC5,777$1.34M0.08%−285−4.7%Reduced
Atom Investors LP5,844$1.35M0.12%+5,844New
Trexquant Investment LP5,950$1.38M0.02%+1,284+27.5%Added
Oak Thistle LLC6,364$1.47M0.22%+4,873+326.8%Added
GWM Advisors LLC6,425$1.49M0.01%−494−7.1%Reduced
Xponance, Inc.6,501$1.50M0.01%−202−3.0%Reduced
Southeast Asset Advisors Inc.6,734$1.56M0.19%−1,960−22.5%Reduced
Tredje AP-fonden6,765$1.56M0.01%00.0%Unchanged
TimesSquare Capital Management, LLC6,770$1.57M0.02%−2,900−30.0%Reduced
Captrust Financial Advisors6,841$1.58M0.00%−721−9.5%Reduced
Benjamin Edwards Inc7,188$1.66M0.02%+1,752+32.2%Added
Truist Financial Corp7,434$1.72M0.00%−252−3.3%Reduced
Cerity Partners LLC7,709$1.78M0.00%−275−3.4%Reduced
Congress Park Capital LLC7,867$1.82M0.60%+270+3.6%Added
Wiley Bros.-Aintree Capital, LLC7,916$1.82M0.01%+5,621+244.9%Added
Shelton Capital Management7,894$1.82M0.04%−2,000−20.2%Reduced
Roberts Capital Advisors, LLC8,057$1.86M1.38%00.0%Unchanged
BNP Paribas8,221$1.90M0.06%00.0%Unchanged
Northwest & Ethical Investments L.P.8,872$2.05M0.05%−1,593−15.2%Reduced
Schonfeld Strategic Advisors LLC9,094$2.10M0.02%−16,134−64.0%Reduced
Bridges Investment Management Inc9,309$2.15M0.03%+1,252+15.5%Added
JustInvest LLC9,411$2.18M0.02%+733+8.4%Added
Colonial Trust Advisors9,445$2.18M0.18%00.0%Unchanged
Hancock Whitney Corp9,589$2.22M0.04%−708−6.9%Reduced
Engineers Gate Manager LP9,593$2.22M0.03%−23,333−70.9%Reduced
Coyle Financial Counsel LLC10,206$2.36M0.63%+537+5.6%Added
Fulcrum Asset Management LLP10,226$2.36M0.67%+10,226New
EverSource Wealth Advisors, LLC10,230$2.36M0.11%+128+1.3%Added
New Mexico Educational Retirement Board10,300$2.38M0.08%00.0%Unchanged
HRT Financial LP10,301$2.38M0.01%+10,301New
Oregon Public Employees Retirement Fund10,320$2.39M0.04%−52−0.5%Reduced
Pinebridge Investments, L.P.10,338$2.39M0.02%+5,770+126.3%Added
Teacher Retirement System of Texas10,687$2.47M0.01%+863+8.8%Added
Groupe la Francaise10,780$2.49M0.04%+2,400+28.6%Added
BNP Paribas Arbitrage, SA10,783$2.49M0.00%−1,538−12.5%Reduced
New Age Alpha Advisors, LLC10,899$2.52M0.11%+629+6.1%Added
Edentree Asset Management Ltd11,002$2.54M0.70%00.0%Unchanged
Northwestern Mutual Investment Management Company, LLC11,246$2.60M0.04%−19−0.2%Reduced
Algert Global LLC11,836$2.74M0.06%00.0%Unchanged
State of Michigan Retirement System12,107$2.80M0.01%00.0%Unchanged
Cannell Capital LLC12,937$2.99M0.93%−18,681−59.1%Reduced
Commonwealth of Pennsylvania Public School Empls Retrmt Sys12,940$2.99M0.02%+829+6.8%Added
Prelude Capital Management, LLC13,012$3.01M0.29%+5,135+65.2%Added
Point72 Hong Kong Ltd13,403$3.10M0.21%−6,689−33.3%Reduced
Kempen Capital Management N.V.14,128$3.27M0.03%+14,128New
Louisiana State Employees Retirement System14,200$3.28M0.06%00.0%Unchanged
Scotia Capital Inc.14,403$3.33M0.02%−8−0.1%Reduced
DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main14,643$3.39M0.00%+9,934+211.0%Added
Ensign Peak Advisors, Inc14,721$3.40M0.01%−2,800−16.0%Reduced
Arizona State Retirement System14,932$3.45M0.02%+244+1.7%Added
South Dakota Investment Council14,950$3.46M0.07%00.0%Unchanged
PKO Investment Management Joint-Stock Co15,000$3.47M0.37%00.0%Unchanged
Ci Investments Inc.15,056$3.48M0.01%−3,017−16.7%Reduced
KLP Kapitalforvaltning AS15,200$3.51M0.02%+300+2.0%Added
Vestmark Advisory Solutions, Inc.15,206$3.52M0.05%+8,514+127.2%Added
Public Employees Retirement System of Ohio15,726$3.64M0.01%+48+0.3%Added
State of New Jersey Common Pension Fund D15,931$3.68M0.01%00.0%Unchanged
Union Bancaire Privee, UBP SA16,009$3.69M0.06%−2,633−14.1%Reduced
M&T Bank Corp15,977$3.69M0.01%+671+4.4%Added
Van Eck Associates Corp15,992$3.70M0.00%−1,385−8.0%Reduced
Cetera Investment Advisers16,282$3.76M0.01%+1,081+7.1%Added
K.J. Harrison & Partners Inc16,295$3.77M0.62%−1,200−6.9%Reduced
Hilton Capital Management, LLC16,446$3.80M0.30%−39−0.2%Reduced
Sandler Capital Management16,997$3.93M1.36%+8,544+101.1%Added
Squarepoint Ops LLC17,414$4.03M0.01%+3,614+26.2%Added
Yousif Capital Management, LLC17,499$4.05M0.04%−385−2.2%Reduced
Pacific Capital Partners Ltd17,500$4.05M3.79%−35,000−66.7%Reduced
Intech Investment Management LLC17,561$4.06M0.04%−3,707−17.4%Reduced
Investors Towarzystwo Funduszy Inwestycyjnych Spolka Akcyjna17,657$4.08M1.64%+200+1.1%Added
Advisors Asset Management, Inc.18,042$4.17M0.07%−984−5.2%Reduced
Man Group plc18,436$4.26M0.01%−23,256−55.8%Reduced
Ameritas Investment Partners, Inc.18,704$4.32M0.14%−190−1.0%Reduced
Tribune Investment Group LP19,000$4.39M2.16%−46,000−70.8%Reduced
Police & Firemen's Retirement System of New Jersey19,272$4.46M0.04%+775+4.2%Added