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.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 663 | $14.8B |
| Q1 2026 | 626 | $14.1B |
| Q4 2025 | 568 | $12.1B |
| Q3 2025 | 569 | $11.6B |
| Q2 2025 | 579 | $11.4B |
| Q1 2025 | 563 | $9.61B |
| Q4 2024 | 573 | $11.3B |
| Q3 2024 | 572 | $11.5B |
| Q2 2024 | 518 | $10.9B |
| Q1 2024 | 481 | $9.67B |
| Q4 2023 | 450 | $8.50B |
| Q3 2023 | 421 | $8.31B |
| Q2 2023 | 417 | $8.16B |
| Q1 2023 | 405 | $6.88B |
| Q4 2022 | 380 | $5.49B |
| Q3 2022 | 369 | $5.31B |
| Q2 2022 | 337 | $4.23B |
| Q1 2022 | 345 | $5.38B |
| Q4 2021 | 327 | $4.78B |
| Q3 2021 | 309 | $5.02B |
| Q2 2021 | 286 | $4.48B |
| Q1 2021 | 289 | $4.07B |
Institutions, Q1 2026
Shares, value and share of portfolio for each institution holding Clean Harbors Inc; share changes are against Q4 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Ameriprise Financial Inc | 53,110 | $15.2M | 0.00% | +99+0.2% | Added |
| Nomura Asset Management International Inc. | 52,203 | $15.0M | 0.03% | −32,940−38.7% | Reduced |
| Oppenheimer Asset Management Inc. | 52,174 | $15.0M | 0.17% | −2,125−3.9% | Reduced |
| J. Safra Sarasin Holding AG | 52,198 | $14.9M | 0.25% | −2,469−4.5% | Reduced |
| Eurizon Capital SGR S.p.A. | 50,991 | $14.6M | 0.05% | +18,997+59.4% | Added |
| Price T Rowe Associates Inc | 50,370 | $14.4M | 0.00% | −24,731−32.9% | Reduced |
| C WorldWide Group Holding A/S | 49,871 | $14.3M | 0.31% | +1,602+3.3% | Added |
| Assenagon Asset Management S.A. | 48,943 | $14.0M | 0.02% | −56,771−53.7% | Reduced |
| La Banque Postale Asset Management SA | 47,198 | $13.5M | 0.19% | −7,157−13.2% | Reduced |
| Bayberry Capital Partners LP | 46,200 | $13.2M | 4.38% | −2,000−4.1% | Reduced |
| Hallstatt Advisors L.P. | 46,115 | $13.2M | 10.46% | −18,986−29.2% | Reduced |
| Border to Coast Pensions Partnership Ltd | 45,000 | $12.9M | 0.22% | −15,000−25.0% | Reduced |
| Tectonic Advisors LLC | 44,982 | $12.9M | 0.68% | −540−1.2% | Reduced |
| Marshall Wace, LLP | 44,477 | $12.8M | 0.01% | −20,104−31.1% | Reduced |
| State Board of Administration of Florida Retirement System | 43,631 | $12.5M | 0.02% | −308−0.7% | Reduced |
| Wells Fargo & Company | 42,771 | $12.3M | 0.00% | +3,688+9.4% | Added |
| Rockefeller Capital Management L.P. | 41,962 | $12.0M | 0.02% | −8,896−17.5% | Reduced |
| Allianz Asset Management GmbH | 40,962 | $11.7M | 0.01% | −1,078−2.6% | Reduced |
| Munro Partners | 40,669 | $11.7M | 0.40% | −45,090−52.6% | Reduced |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 39,851 | $11.4M | 0.01% | −17,608−30.6% | Reduced |
| CI Private Wealth, LLC | 39,954 | $11.3M | 0.02% | +27,272+215.0% | Added |
| Vanguard Asset Management, Ltd | 39,291 | $11.3M | 0.01% | +39,291 | New |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 38,727 | $11.1M | 0.02% | +9,783+33.8% | Added |
| Thornburg Investment Management Inc | 37,762 | $10.8M | 0.11% | −22,858−37.7% | Reduced |
| SEI Investments Co | 37,416 | $10.7M | 0.01% | +5,145+15.9% | Added |
| Danica Pension, Livsforsikringsaktieselskab | 37,094 | $10.6M | 0.20% | −4,836−11.5% | Reduced |
| Mariner, LLC | 37,027 | $10.6M | 0.01% | +17,198+86.7% | Added |
| Manufacturers Life Insurance Company, The | 36,801 | $10.6M | 0.01% | −773−2.1% | Reduced |
| Candriam Luxembourg S.C.A. | 36,781 | $10.5M | 0.05% | +6,070+19.8% | Added |
| D. E. Shaw & Co., Inc. | 36,771 | $10.5M | 0.01% | +36,771 | New |
| Citadel Advisors LLC | 34,822 | $9.98M | 0.01% | +34,822 | New |
| Schroder Investment Management Group | 34,151 | $9.55M | 0.01% | −946−2.7% | Reduced |
| STRS Ohio | 33,312 | $9.55M | 0.04% | +11,899+55.6% | Added |
| Covea Finance | 32,287 | $9.26M | 0.32% | −20,800−39.2% | Reduced |
| Boothbay Fund Management, LLC | 32,061 | $9.19M | 0.22% | −25,525−44.3% | Reduced |
| Great West Life Assurance Co | 31,271 | $8.98M | 0.02% | +186+0.6% | Added |
| Balyasny Asset Management LLC | 30,421 | $8.72M | 0.02% | +30,421 | New |
| Atria Investments LLC | 29,905 | $8.57M | 0.10% | −23−0.1% | Reduced |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 28,736 | $8.24M | 0.02% | +1,337+4.9% | Added |
| Mutual of America Capital Management LLC | 28,604 | $8.20M | 0.09% | −2,592−8.3% | Reduced |
| Deutsche Bank AG | 28,019 | $8.03M | 0.00% | +6,384+29.5% | Added |
| UniSuper Management Pty Ltd | 27,954 | $8.02M | 0.05% | 00.0% | Unchanged |
| Brown Advisory Inc | 27,643 | $7.93M | 0.01% | −738−2.6% | Reduced |
| Sycomore Asset Management | 31,437 | $7.65M | 1.10% | +31,437 | New |
| SG Americas Securities, LLC | 26,384 | $7.57M | 0.01% | −36,237−57.9% | Reduced |
| Bullseye Asset Management LLC | 25,722 | $7.38M | 4.27% | 00.0% | Unchanged |
| New York State Common Retirement Fund | 24,792 | $7.11M | 0.01% | 00.0% | Unchanged |
| MetLife Investment Management | 24,715 | $7.09M | 0.04% | +165+0.7% | Added |
| Stifel Financial Corp | 24,655 | $7.07M | 0.01% | −35,358−58.9% | Reduced |
| Chilton Investment Co LLC | 24,411 | $7.00M | 0.16% | −32,608−57.2% | Reduced |
| One Madison Group LLC | 24,160 | $6.93M | 0.80% | +24,160 | New |
| J.P. Marvel Investment Advisors, LLC | 24,125 | $6.92M | 0.98% | 00.0% | Unchanged |
| Barclays PLC | 23,752 | $6.81M | 0.00% | −16,842−41.5% | Reduced |
| Horizon Investments, LLC | 23,567 | $6.76M | 0.08% | +22,477+2,062.1% | Added |
| Lansing Management LP | 23,513 | $6.74M | 4.48% | +12,753+118.5% | Added |
| Mountain Pacific Investment Advisers Inc | 23,432 | $6.72M | 1.15% | −226−1.0% | Reduced |
| Pillsbury Lake Capital LLC | 22,917 | $6.57M | 2.98% | +364+1.6% | Added |
| American Century Companies Inc | 22,916 | $6.57M | 0.00% | +4,633+25.3% | Added |
| Amalgamated Bank | 22,717 | $6.51M | 0.05% | +428+1.9% | Added |
| HSBC Holdings PLC | 22,460 | $6.40M | 0.00% | +22,460 | New |
| Atika Capital Management LLC | 21,855 | $6.27M | 0.99% | +18,855+628.5% | Added |
| Treasurer of the State of North Carolina | 21,686 | $6.22M | 0.02% | +466+2.2% | Added |
| Police & Firemen's Retirement System of New Jersey | 21,539 | $6.18M | 0.05% | +142+0.7% | Added |
| Hilton Capital Management, LLC | 21,510 | $6.17M | 0.47% | +2,263+11.8% | Added |
| Man Group plc | 21,395 | $6.13M | 0.01% | +20,416+2,085.4% | Added |
| DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main | 20,550 | $5.89M | 0.01% | +20,550 | New |
| Ci Investments Inc. | 20,260 | $5.81M | 0.03% | −20,759−50.6% | Reduced |
| Teachers Retirement System of the State of Kentucky | 20,205 | $5.79M | 0.04% | −235−1.1% | Reduced |
| Brant Point Investment Management LLC | 20,145 | $5.78M | 1.59% | 00.0% | Unchanged |
| Vanguard Global Advisers, LLC | 20,095 | $5.76M | 0.00% | +20,095 | New |
| Resolute Capital Asset Partners LLC | 20,000 | $5.73M | 3.02% | +20,000 | New |
| LPL Financial LLC | 19,803 | $5.68M | 0.00% | −477−2.4% | Reduced |
| Amica Mutual Insurance Co | 19,325 | $5.54M | 0.48% | −1,495−7.2% | Reduced |
| D L Carlson Investment Group Inc | 19,251 | $5.52M | 0.95% | +260+1.4% | Added |
| Investors Towarzystwo Funduszy Inwestycyjnych Spolka Akcyjna | 17,107 | $4.91M | 2.03% | −1,300−7.1% | Reduced |
| Fideuram - Intesa Sanpaolo Private Banking S.P.A. | 16,997 | $4.87M | 0.17% | +8,252+94.4% | Added |
| State of Tennessee, Treasury Department | 16,935 | $4.86M | 0.02% | 00.0% | Unchanged |
| State of New Jersey Common Pension Fund D | 16,480 | $4.73M | 0.02% | +1,236+8.1% | Added |
| KLP Kapitalforvaltning AS | 16,400 | $4.70M | 0.02% | −400−2.4% | Reduced |
| Cetera Investment Advisers | 16,291 | $4.67M | 0.00% | −532−3.2% | Reduced |
| Lombard Odier Asset Management (Europe) Ltd | 15,786 | $4.53M | 0.25% | −34,357−68.5% | Reduced |
| Intech Investment Management LLC | 15,648 | $4.49M | 0.04% | +8,869+130.8% | Added |
| Yousif Capital Management, LLC | 15,285 | $4.38M | 0.05% | −734−4.6% | Reduced |
| Fulcrum Asset Management LLP | 15,555 | $4.35M | 0.66% | +8,986+136.8% | Added |
| Ameritas Investment Partners, Inc. | 15,018 | $4.31M | 0.13% | −1,717−10.3% | Reduced |
| PKO Investment Management Joint-Stock Co | 15,000 | $4.30M | 0.36% | 00.0% | Unchanged |
| Empowered Funds, LLC | 14,940 | $4.28M | 0.03% | +14,940 | New |
| Van Eck Associates Corp | 14,906 | $4.27M | 0.00% | −2,143−12.6% | Reduced |
| Susquehanna International Group, LLP | 14,790 | $4.24M | 0.01% | +12,505+547.3% | Added |
| Fifth Third Bancorp | 14,771 | $4.24M | 0.01% | +14,096+2,088.3% | Added |
| Public Employees Retirement System of Ohio | 14,743 | $4.23M | 0.01% | −504−3.3% | Reduced |
| Oak Thistle LLC | 14,706 | $4.22M | 0.41% | +5,197+54.7% | Added |
| Prelude Capital Management, LLC | 14,653 | $4.20M | 0.32% | −1,461−9.1% | Reduced |
| Louisiana State Employees Retirement System | 14,600 | $4.19M | 0.07% | +700+5.0% | Added |
| Colony Group, LLC | 14,246 | $4.14M | 0.00% | +1,955+15.9% | Added |
| Scotia Capital Inc. | 14,273 | $4.09M | 0.02% | −109−0.8% | Reduced |
| Mercer Global Advisors Inc | 14,053 | $4.03M | 0.01% | +3,532+33.6% | Added |
| Arizona State Retirement System | 13,950 | $4.00M | 0.02% | −122−0.9% | Reduced |
| Russell Investments Group, Ltd. | 13,419 | $3.84M | 0.00% | +4,461+49.8% | Added |
| Agf Management Ltd | 13,091 | $3.75M | 0.02% | +13,091 | New |