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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, Q1 2026

Institutional positions in Clean Harbors Inc as of Mar 31, 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
626
+66 vs. Q4 2025
Shares held
49.3M
+3.03M (+6.5%) vs. Q4 2025
Total value
$14.1B
+$3.28B (+30.2%) vs. Q4 2025
New holders
115
211 more added
Sold out
49
197 more reduced

8 institutions that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q4 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 holdersQ1 2026: 626 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 heldQ1 2026: $14.1B
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, Q1 2026

Shares, value and share of portfolio for each institution holding Clean Harbors Inc; share changes are against Q4 2025.

Institutions holding CLH in Q1 2026
InstitutionSharesValue% of portfolioChange in sharesAction
First Eagle Investment Management, LLC3,816$1.09M0.00%00.0%Unchanged
Murphy & Mullick Capital Management Corp3,806$1.09M0.81%−40−1.0%Reduced
SFE Investment Counsel3,750$1.08M0.17%−60−1.6%Reduced
Simplicity Wealth,LLC3,702$1.06M0.06%+14+0.4%Added
Lisanti Capital Growth, LLC3,700$1.06M0.27%+3,700New
Chesapeake Capital Corp3,694$1.06M0.76%+3,694New
Genesee Capital Advisors, LLC3,680$1.06M0.44%−18−0.5%Reduced
Securian Asset Management, Inc3,676$1.05M0.04%00.0%Unchanged
Commonwealth Equity Services, LLC3,628$1.04M0.00%−1,003−21.7%Reduced
Montanaro Asset Management Ltd3,600$1.03M0.31%+3,600New
Janney Montgomery Scott LLC3,588$1.03M0.00%−59−1.6%Reduced
Trask Adam Roland3,580$1.03M0.97%+3,580New
RSM US Wealth Management LLC3,573$1.02M0.01%+71+2.0%Added
IMC-Chicago, LLC3,539$1.01M0.02%+3,539New
Crossmark Global Holdings, Inc.3,446$988.1K0.01%+538+18.5%Added
Custom Index Systems, LLC3,420$980.6K0.43%−221−6.1%Reduced
Ethic Inc.3,341$958.0K0.02%+845+33.9%Added
Fulton Bank, N.A.3,239$928.7K0.03%−295−8.3%Reduced
CWM, LLC3,233$927.0K0.00%+2,304+248.0%Added
Moody National Bank Trust Division3,224$924.4K0.09%+41+1.3%Added
Cloverfields Capital Group, LP3,218$922.7K0.30%+3,218New
Baker Avenue Asset Management, LP3,155$904.6K0.02%+215+7.3%Added
New York Life Investment Management LLC3,133$898.3K0.01%−1,410−31.0%Reduced
Beacon Pointe Advisors, LLC3,127$896.6K0.00%+3,127New
Aptus Capital Advisors, LLC3,108$891.2K0.01%−10−0.3%Reduced
Northwest & Ethical Investments L.P.2,955$885.4K0.02%00.0%Unchanged
Fox Run Management, L.L.C.3,157$883.2K0.15%+603+23.6%Added
Prudential Financial Inc3,061$877.7K0.00%−300−8.9%Reduced
Swiss Life Asset Management Ltd3,024$867.1K0.00%+636+26.6%Added
Oppenheimer & Co Inc2,971$851.9K0.01%+18+0.6%Added
Algebris (UK) Ltd2,959$847.0K0.06%00.0%Unchanged
Brevan Howard Capital Management LP2,929$839.8K0.01%+2,929New
Intrust Bank NA2,883$826.6K0.07%+69+2.5%Added
Skopos Labs, Inc.2,882$826.4K0.03%+1,459+102.5%Added
Kera Capital Partners, Inc.2,876$824.6K0.10%−127−4.2%Reduced
Headlands Technologies LLC2,860$820.0K0.09%+2,860New
Gilder Gagnon Howe & Co LLC2,856$818.9K0.01%−206−6.7%Reduced
Stephens Inc2,832$812.0K0.01%−654−18.8%Reduced
Callan Family Office, LLC2,818$808.0K0.02%−8−0.3%Reduced
Empirical Financial Services, LLC d.b.a. Empirical Wealth Management2,754$789.7K0.01%+710+34.7%Added
Versant Capital Management, Inc2,717$779.0K0.08%+1,418+109.2%Added
Maryland State Retirement & Pension System2,702$774.7K0.02%+322+13.5%Added
Utah Retirement Systems2,700$774.2K0.01%00.0%Unchanged
Optas, LLC2,666$764.4K0.12%−1,822−40.6%Reduced
Blair William & Co2,651$760.1K0.00%+663+33.4%Added
EP Wealth Advisors, LLC2,605$746.9K0.00%+256+10.9%Added
Evergreen Capital Management LLC2,567$736.0K0.02%+1,368+114.1%Added
Laird Norton Trust Company, LLC2,538$727.7K0.02%−388−13.3%Reduced
DnB Asset Management AS2,524$723.7K0.00%+2,524New
Coldstream Capital Management Inc2,435$698.2K0.01%−126−4.9%Reduced
Fiduciary Alliance LLC2,356$697.4K0.04%−212−8.3%Reduced
SkyView Investment Advisors, LLC2,428$696.0K0.09%−2−0.1%Reduced
Integrated Wealth Concepts LLC2,409$690.7K0.01%+2,409New
Advisor Resource Council2,385$683.9K0.27%+91+4.0%Added
MML Investors Services, LLC2,373$680.4K0.00%−399−14.4%Reduced
Polymer Capital Management (US) LLC2,336$669.8K0.10%+2,336New
Verition Fund Management LLC2,328$667.5K0.01%−13,100−84.9%Reduced
Diversified Trust Co2,288$656.0K0.01%+2,288New
RWC Asset Management LLP2,237$641.4K0.03%+106+5.0%Added
Tower Research Capital LLC (TRC)2,219$636.3K0.02%−1,184−34.8%Reduced
Consolidated Press International Holdings Ltd2,200$630.8K100.00%+2,200New
Fairvoy Private Wealth, LLC2,156$618.2K0.15%+2,156New
Camden Capital, LLC2,144$614.7K0.04%+445+26.2%Added
Fifth Third Wealth Advisors LLC2,121$608.2K0.02%+59+2.9%Added
Lighthouse Investment Partners, LLC2,115$606.4K0.02%+2,115New
TCG Advisory Services, LLC2,111$605.3K0.01%+107+5.3%Added
HMS Capital Management, LLC2,109$604.7K0.23%+131+6.6%Added
Venturi Wealth Management, LLC2,058$590.1K0.03%+381+22.7%Added
Sterling Capital Management LLC2,052$588.4K0.01%−1,335−39.4%Reduced
Lazard Freres Gestion S.A.S.2,040$584.0K0.01%00.0%Unchanged
ProShare Advisors LLC2,014$577.5K0.00%00.0%Unchanged
GWM Advisors LLC1,995$572.0K0.00%+50+2.6%Added
Steward Partners Investment Advisory, LLC1,915$549.1K0.00%−177−8.5%Reduced
Index Technologies Group LLC1,895$543.4K0.59%−100−5.0%Reduced
Putney Financial Group LLC1,873$537.0K0.54%−165−8.1%Reduced
Commerce Bank1,872$536.8K0.00%+382+25.6%Added
Y.D. More Investments Ltd1,826$523.6K0.02%+1,826New
Generali Investments CEE, investicni spolecnost, a.s.1,810$519.0K0.03%00.0%Unchanged
NewEdge Wealth, LLC1,797$515.3K0.01%+177+10.9%Added
Gateway Investment Advisers LLC1,777$509.5K0.01%+1,777New
Advisor OS, LLC1,757$503.8K0.04%−275−13.5%Reduced
CIBC Asset Management Inc1,682$482.3K0.00%00.0%Unchanged
Resources Investment Advisors, LLC.1,669$478.6K0.00%−303−15.4%Reduced
Panagora Asset Management Inc1,655$474.5K0.00%+54+3.4%Added
Corient IA LLC1,620$464.5K0.44%−380−19.0%Reduced
Exchange Traded Concepts, LLC1,592$456.5K0.00%+871+120.8%Added
Qtron Investments LLC1,587$455.0K0.06%+1,587New
Everence Capital Management Inc1,585$454.0K0.03%+175+12.4%Added
Bank of Nova Scotia1,576$451.9K0.00%+1,576New
Perigon Wealth Management, LLC1,573$451.0K0.01%+1,573New
KBC Group NV1,560$447.0K0.00%+305+24.3%Added
Bradley Foster & Sargent Inc1,549$444.1K0.01%00.0%Unchanged
Nelson, Van Denburg & Campbell Wealth Management Group, LLC1,515$434.4K0.01%−100−6.2%Reduced
Martingale Asset Management L P1,515$434.4K0.01%−10−0.7%Reduced
Triglav Skladi, D.O.O.1,502$430.7K0.03%+103+7.4%Added
Sanctuary Advisors, LLC1,499$429.7K0.00%+133+9.7%Added
United Capital Financial Advisers, LLC1,492$427.8K0.00%+295+24.6%Added
Umb Bank N A1,491$427.5K0.01%+32+2.2%Added
North Dakota State Investment Board1,481$424.6K0.02%−307−17.2%Reduced
Aquatic Capital Management LLC1,473$422.4K0.01%+1,473New