Skip to main content

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, Q3 2025

Institutional positions in Clean Harbors Inc as of Sep 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
569
−3 vs. Q2 2025
Shares held
49.8M
+1.28M (+2.6%) vs. Q2 2025
Total value
$11.6B
+$347.6M (+3.1%) vs. Q2 2025
New holders
73
173 more added
Sold out
76
204 more reduced

7 institutions that held it in Q2 2025 haven't filed for Q3 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q2 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 holdersQ3 2025: 569 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 heldQ3 2025: $11.6B
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, Q3 2025

Shares, value and share of portfolio for each institution holding Clean Harbors Inc; share changes are against Q2 2025.

Institutions holding CLH in Q3 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Strategic Advocates LLC1,381$320.7K0.08%00.0%Unchanged
Forum Financial Management, LP1,395$323.9K0.00%+1+0.1%Added
Simon Quick Advisors, LLC1,402$325.6K0.01%+65+4.9%Added
Everence Capital Management Inc1,410$327.0K0.02%00.0%Unchanged
Commerce Bank1,419$329.5K0.00%−58−3.9%Reduced
Stephenson National Bank & Trust1,422$330.2K0.10%00.0%Unchanged
Yorktown Management & Research Co Inc1,450$336.7K0.27%00.0%Unchanged
Kestra Advisory Services, LLC1,453$337.4K0.00%+1,453New
Concurrent Investment Advisors, LLC1,519$352.7K0.01%−24−1.6%Reduced
Flagship Harbor Advisors, LLC1,520$353.0K0.02%−18−1.2%Reduced
Advisor OS, LLC1,522$353.4K0.03%+1,522New
Aaron Wealth Advisors1,533$356.0K0.02%+1,533New
Chicago Partners Investment Group LLC1,449$356.7K0.01%+1,449New
Gsa Capital Partners LLP1,543$358.0K0.03%+525+51.6%Added
Bradley Foster & Sargent Inc1,549$359.7K0.01%00.0%Unchanged
Panagora Asset Management Inc1,601$371.8K0.00%00.0%Unchanged
Traynor Capital Management, Inc.1,623$376.9K0.02%+238+17.2%Added
Qsemble Capital Management, LP1,659$385.3K0.04%+1,659New
CIBC Asset Management Inc1,682$390.6K0.00%00.0%Unchanged
Dynamic Technology Lab Private Ltd1,690$392.0K0.07%+1,690New
Cynosure Management, LLC1,689$392.2K0.04%00.0%Unchanged
Baader Bank INC1,702$395.2K0.03%+1,702New
Generali Investments CEE, investicni spolecnost, a.s.1,810$420.3K0.03%00.0%Unchanged
RSM US Wealth Management LLC1,819$422.4K0.01%+578+46.6%Added
Nelson, Van Denburg & Campbell Wealth Management Group, LLC1,843$428.0K0.01%+338+22.5%Added
Quest Partners LLC1,886$438.0K0.03%+307+19.4%Added
Guggenheim Capital LLC1,893$439.6K0.00%−9−0.5%Reduced
Triglav Skladi, D.O.O.1,900$441.2K0.03%+1,900New
Transatlantique Private Wealth LLC1,904$442.1K0.14%+1,904New
Amica Retiree Medical Trust1,921$446.0K0.61%00.0%Unchanged
Resources Investment Advisors, LLC.1,966$456.5K0.00%−6−0.3%Reduced
Pitcairn Co1,978$459.3K0.04%−679−25.6%Reduced
HMS Capital Management, LLC1,985$461.0K0.19%−59−2.9%Reduced
Corient IA LLC2,000$464.4K0.35%00.0%Unchanged
Blair William & Co2,033$472.1K0.00%−139−6.4%Reduced
Lazard Freres Gestion S.A.S.2,040$473.0K0.01%−1,200−37.0%Reduced
Algebris (UK) Ltd2,049$475.5K0.05%00.0%Unchanged
Fifth Third Wealth Advisors LLC2,060$478.4K0.02%00.0%Unchanged
Putney Financial Group LLC2,071$480.9K0.48%−74−3.4%Reduced
Pinebridge Investments, L.P.2,103$488.4K0.00%−8,235−79.7%Reduced
Steward Partners Investment Advisory, LLC2,129$494.4K0.00%00.0%Unchanged
RWC Asset Management LLP2,131$494.9K0.02%−23−1.1%Reduced
Integrated Wealth Concepts LLC2,143$497.6K0.00%−161−7.0%Reduced
ProShare Advisors LLC2,144$497.9K0.00%−89−4.0%Reduced
Leonteq Securities AG2,161$501.8K0.03%−688−24.1%Reduced
XTX Topco Ltd2,244$521.1K0.03%−17,982−88.9%Reduced
Rithm Capital Corp.2,300$534.1K1.08%00.0%Unchanged
Swiss Life Asset Management Ltd2,359$547.8K0.00%+1,034+78.0%Added
Maryland State Retirement & Pension System2,380$552.7K0.01%00.0%Unchanged
SkyView Investment Advisors, LLC2,418$562.0K0.07%+40+1.7%Added
Aster Capital Management (DIFC) Ltd2,526$586.6K0.30%+2,526New
MML Investors Services, LLC2,561$594.6K0.00%−911−26.2%Reduced
Magnetar Financial LLC2,575$598.0K0.00%+2,575New
Coldstream Capital Management Inc2,638$612.6K0.01%+144+5.8%Added
Wetherby Asset Management Inc2,664$618.6K0.03%+20+0.8%Added
Utah Retirement Systems2,700$627.0K0.01%00.0%Unchanged
SRS Capital Advisors, Inc.2,783$646.3K0.01%+2,714+3,933.3%Added
Intrust Bank NA2,852$662.3K0.06%+22+0.8%Added
Crossmark Global Holdings, Inc.2,934$681.3K0.01%+241+8.9%Added
Gilder Gagnon Howe & Co LLC2,950$685.0K0.01%−37−1.2%Reduced
Thomasville National Bank2,979$691.8K0.04%+1,413+90.2%Added
Hantz Financial Services, Inc.3,110$722.0K0.01%+224+7.8%Added
Fiduciary Alliance LLC3,113$722.9K0.05%+70+2.3%Added
Marshall Wace, LLP3,130$726.8K0.00%−190,045−98.4%Reduced
Aptus Capital Advisors, LLC3,185$739.6K0.01%−3−0.1%Reduced
Uniting Wealth Partners, LLC3,200$743.1K0.18%00.0%Unchanged
Virtu Financial LLC3,220$748.0K0.04%+184+6.1%Added
Inscription Capital, LLC3,345$776.8K0.08%+3,345New
Genesee Capital Advisors, LLC3,364$781.2K0.34%00.0%Unchanged
Legato Capital Management LLC3,367$781.9K0.09%00.0%Unchanged
Stephens Inc3,475$807.0K0.01%−72−2.0%Reduced
Summit Trail Advisors, LLC3,491$810.7K0.01%−1,756−33.5%Reduced
Fulton Bank, N.A.3,507$814.4K0.03%−230−6.2%Reduced
Commonwealth Equity Services, LLC3,525$819.0K0.00%−763−17.8%Reduced
Sterling Capital Management LLC3,527$819.0K0.01%−214−5.7%Reduced
Inceptionr LLC3,582$831.8K0.20%+3,582New
Oppenheimer & Co Inc3,661$850.2K0.01%−158−4.1%Reduced
Oak Thistle LLC3,731$866.4K0.13%−2,633−41.4%Reduced
Securian Asset Management, Inc3,776$876.9K0.02%−125−3.2%Reduced
Ethic Inc.3,781$878.0K0.01%+509+15.6%Added
Janney Montgomery Scott LLC3,832$890.0K0.00%+212+5.9%Added
Simplicity Wealth,LLC3,835$890.6K0.05%−45−1.2%Reduced
Quadrant Capital Group LLC3,899$905.4K0.03%+6+0.2%Added
Murphy & Mullick Capital Management Corp3,914$908.9K0.67%00.0%Unchanged
PEAK6 LLC3,940$915.0K0.02%+3,940New
SFE Investment Counsel3,970$921.9K0.15%−422−9.6%Reduced
O'Shaughnessy Asset Management, LLC4,046$939.6K0.01%+80+2.0%Added
Nisa Investment Advisors, LLC4,167$967.7K0.00%00.0%Unchanged
Advisor Group Holdings, Inc.4,188$990.3K0.00%+195+4.9%Added
Hancock Whitney Corp4,308$1.00M0.02%−5,281−55.1%Reduced
Maridea Wealth Management LLC4,138$1.01M0.16%+4,138New
EntryPoint Capital, LLC4,352$1.01M0.39%+4,352New
Wealth Enhancement Advisory Services, LLC4,383$1.02M0.00%+911+26.2%Added
Baird Financial Group, Inc.4,435$1.03M0.00%+17+0.4%Added
Access Financial Services, Inc.4,472$1.04M0.38%−89−2.0%Reduced
Knollwood Investment Advisory, LLC4,500$1.04M0.09%00.0%Unchanged
Ashton Thomas Private Wealth, LLC4,617$1.07M0.03%+411+9.8%Added
Pathstone Holdings, LLC4,632$1.08M0.00%−133−2.8%Reduced
Custom Index Systems, LLC4,727$1.10M0.33%+1,655+53.9%Added
Truvestments Capital LLC4,771$1.11M0.20%−641−11.8%Reduced