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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.

Q1 2026 vs. Q4 2025

How the institutions holding Clean Harbors Inc changed between Q4 2025 and Q1 2026.

All holders in Q1 2026All holders in Q4 2025

13F holders of CLH: Q4 2025 compared with Q1 2026
MeasureQ4 2025Of which not filed for Q1 2026Q1 2026Change
Holders5688626+66
Shares51.5M5.16M49.3M+3.03M (+6.5%)
Value$12.1B$1.21B$14.1B+$3.28B (+30.2%)

8 institutions that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so the changes leave them out.

New holders (115)

Institutions that held Clean Harbors Inc at the end of Q1 2026 but not at the end of Q4 2025.

Showing the largest 100 of 115 by value.

Institutions new to CLH in Q1 2026
InstitutionSharesValue% of portfolio
Vanguard Capital Management LLC2,169,364$622.0M0.02%
Vanguard Portfolio Management LLC1,962,951$562.8M0.03%
Vanguard Fiduciary Trust Co309,653$88.8M0.02%
Mirova130,675$37.5M1.52%
Visualize Group LP96,300$27.6M11.37%
Vanguard Asset Management, Ltd39,291$11.3M0.01%
D. E. Shaw & Co., Inc.36,771$10.5M0.01%
Citadel Advisors LLC34,822$9.98M0.01%
Balyasny Asset Management LLC30,421$8.72M0.02%
Sycomore Asset Management31,437$7.65M1.10%
One Madison Group LLC24,160$6.93M0.80%
HSBC Holdings PLC22,460$6.40M0.00%
DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main20,550$5.89M0.01%
Vanguard Global Advisers, LLC20,095$5.76M0.00%
Resolute Capital Asset Partners LLC20,000$5.73M3.02%
Empowered Funds, LLC14,940$4.28M0.03%
Agf Management Ltd13,091$3.75M0.02%
TD Asset Management Inc12,798$3.67M0.00%
Vanguard Investments Australia, Ltd.12,789$3.67M0.01%
ExodusPoint Capital Management, LP12,381$3.55M0.04%
Worldquant Millennium Advisors LLC11,710$3.36M0.01%
Concentric Capital Strategies, LP11,085$3.18M0.28%
Entropy Technologies, LP11,072$3.17M0.15%
Sandler Capital Management11,027$3.16M2.15%
Gradient Investments LLC10,174$2.92M0.05%
Gallo Partners, LP10,049$2.88M5.51%
Heights Point Management, LP8,340$2.39M2.22%
Richard Bernstein Advisors LLC8,064$2.31M0.07%
Numerai GP LLC6,137$1.76M0.18%
Allstate Corp5,892$1.69M0.02%
Ieq Capital, LLC5,469$1.57M0.01%
Occudo Quantitative Strategies LP3,783$1.18M0.06%
Campbell & CO Investment Adviser LLC3,969$1.14M0.06%
Lisanti Capital Growth, LLC3,700$1.06M0.27%
Chesapeake Capital Corp3,694$1.06M0.76%
Montanaro Asset Management Ltd3,600$1.03M0.31%
Trask Adam Roland3,580$1.03M0.97%
IMC-Chicago, LLC3,539$1.01M0.02%
Cloverfields Capital Group, LP3,218$922.7K0.30%
Beacon Pointe Advisors, LLC3,127$896.6K0.00%
Brevan Howard Capital Management LP2,929$839.8K0.01%
Headlands Technologies LLC2,860$820.0K0.09%
DnB Asset Management AS2,524$723.7K0.00%
Integrated Wealth Concepts LLC2,409$690.7K0.01%
Polymer Capital Management (US) LLC2,336$669.8K0.10%
Diversified Trust Co2,288$656.0K0.01%
Consolidated Press International Holdings Ltd2,200$630.8K100.00%
Fairvoy Private Wealth, LLC2,156$618.2K0.15%
Lighthouse Investment Partners, LLC2,115$606.4K0.02%
Y.D. More Investments Ltd1,826$523.6K0.02%
Gateway Investment Advisers LLC1,777$509.5K0.01%
Qtron Investments LLC1,587$455.0K0.06%
Bank of Nova Scotia1,576$451.9K0.00%
Perigon Wealth Management, LLC1,573$451.0K0.01%
Aquatic Capital Management LLC1,473$422.4K0.01%
Neo Ivy Capital Management1,397$400.6K0.11%
Skandinaviska Enskilda Banken AB (publ)1,348$386.5K0.01%
Banque Transatlantique SA1,315$377.1K0.01%
Abel Hall, LLC1,266$363.0K0.08%
FORA Capital, LLC1,249$358.4K0.03%
Two Sigma Securities, LLC1,151$330.0K0.04%
BBR Partners, LLC1,105$316.8K0.02%
DRW Securities, LLC1,071$307.1K0.02%
Platform Technology Partners989$283.6K0.05%
Mattson Financial Services, LLC971$278.4K0.07%
Brown Financial Advisors964$276.4K0.10%
World Equity Group, Inc.962$275.8K0.07%
Savant Capital, LLC957$274.4K0.00%
U.S. Capital Wealth Advisors, LLC949$272.1K0.01%
QRG Capital Management, Inc.948$271.8K0.00%
VestGen Advisors, LLC872$258.5K0.01%
Verus Capital Partners, LLC886$254.0K0.02%
Edgestream Partners, L.P.869$249.2K0.01%
CIBC Bancorp USA Inc.859$246.3K0.00%
Equitable Holdings, Inc.829$237.7K0.00%
Wedmont Private Capital784$237.2K0.01%
Jump Financial, LLC809$232.0K0.00%
Pensionmark Financial Group, LLC799$229.1K0.00%
49 Wealth Management, LLC783$224.5K0.02%
Wulff, Hansen & Co.768$220.2K0.22%
Ballentine Partners, LLC764$219.1K0.00%
Miracle Mile Advisors, LLC759$217.6K0.00%
Rafferty Asset Management, LLC708$203.0K0.00%
Sittner & Nelson, LLC576$165.2K0.06%
Kemnay Advisory Services Inc.554$158.8K0.03%
Aster Capital Management (DIFC) Ltd628$123.8K0.04%
Cedar Mountain Advisors, LLC405$116.1K0.02%
Community Financial Services Group, LLC200$58.0K0.01%
Advisory Services Network, LLC87$24.9K0.00%
Owl Creek Wealth Partners LLC65$18.6K0.01%
National Bank of Canada61$17.4K0.00%
Twin Peaks Wealth Advisors, LLC52$14.9K0.00%
Ancora Advisors, LLC32$9.18K0.00%
Mather Group, LLC.29$8.31K0.00%
JPL Wealth Management, LLC16$4.59K0.00%
Salem Investment Counselors Inc13$3.73K0.00%
Crews Bank & Trust11$3.15K0.00%
RMG Wealth Management LLC10$2.94K0.00%
Brown, Lisle/Cummings, Inc.7$2.01K0.00%
Cornerstone Planning Group LLC5$1.57K0.00%

Sold out (49)

Institutions that held Clean Harbors Inc at the end of Q4 2025 and filed for Q1 2026 without it.

Institutions that sold out of CLH in Q1 2026
InstitutionShares, Q4 2025Value, Q4 2025
Palestra Capital Management LLC569,991$133.7M
Two Sigma Advisers, LP321,500$75.4M
SG Capital Management LLC73,672$17.3M
Cramer Rosenthal McGlynn LLC69,318$16.3M
Rivermont Capital Management LP44,262$10.4M
Atom Investors LP31,001$7.27M
Axon Capital LP31,000$7.27M
Cooper Investors Pty Ltd25,955$6.09M
Bell Asset Management Ltd16,511$3.88M
Schonfeld Strategic Advisors LLC16,000$3.75M
Pacific Capital Partners Ltd14,750$3.46M
Holocene Advisors, LP13,598$3.19M
Shay Capital LLC12,523$2.94M
Alphadyne Asset Management LP10,683$2.50M
Virginia Retirement Systems Et Al5,960$1.40M
Intesa Sanpaolo Wealth Management4,515$1.06M
Pinebridge Investments LLC3,750$879.3K
Uniting Wealth Partners, LLC3,200$750.3K
Hudson Bay Capital Management LP3,000$703.4K
Interchange Capital Partners, LLC2,672$626.5K
Tudor Investment Corp Et Al2,440$572.1K
Natixis2,048$480.2K
Cynosure Management, LLC1,864$437.1K
AlphaGrep UK Ltd1,440$337.7K
State of Wyoming1,429$335.1K
EntryPoint Capital, LLC1,416$332.0K
Forum Financial Management, LP1,395$327.1K
Walleye Trading LLC1,210$283.7K
Dynasty Wealth Management, LLC1,003$235.2K
Americana Partners, LLC932$218.5K
Nations Financial Group Inc,908$212.9K
Opal Capital LLC783$209.5K
Quest Partners LLC755$177.0K
Flagship Harbor Advisors, LLC618$144.9K
Caitong International Asset Management Co., Ltd409$95.9K
Danske Bank A/S400$93.8K
Estate Planners Group, LLC323$75.7K
Elyxium Wealth, LLC111$26.0K
Quattro Advisors LLC110$25.8K
DV Trading LLC100$23.4K
BNP Paribas60$14.1K
DT Investment Partners, LLC60$14.1K
SageView Advisory Group, LLC59$13.8K
Greenline Wealth Management LLC10$2.35K
Signature Resources Capital Management, LLC7$1.64K
Rakuten Securities, Inc.2$469
Optima Capital LLC2$469
Acumen Wealth Advisors, LLC1$235
Dunhill Financial, LLC1$234

Not filed for Q1 2026 yet (8)

Institutions that held Clean Harbors Inc at the end of Q4 2025 and haven't filed a 13F for Q1 2026. Not filing isn't selling, so they aren't counted as sold out.

Institutions holding CLH in Q4 2025 that haven't filed for Q1 2026
InstitutionShares, Q4 2025Value, Q4 2025
Vanguard Group Inc4,489,676$1.05B
Norges Bank649,075$152.2M
Comerica Bank14,937$3.50M
Global Retirement Partners, LLC2,752$645.3K
Thomasville National Bank2,373$556.4K
Transatlantique Private Wealth LLC1,810$424.4K
CIBC Private Wealth Group, LLC762$178.7K
ORG Partners LLC52$12.2K