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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 2026

Institutional positions in Clean Harbors Inc as of Jun 30, 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
663
+45 vs. Q1 2026
Shares held
49.4M
+2.48M (+5.3%) vs. Q1 2026
Total value
$14.8B
+$1.31B (+9.8%) vs. Q1 2026
New holders
100
205 more added
Sold out
55
251 more reduced

8 institutions that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 2026: 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 2026: 663 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 2026: $14.8B
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 2026

Shares, value and share of portfolio for each institution holding Clean Harbors Inc; share changes are against Q1 2026.

Institutions holding CLH in Q2 2026
InstitutionSharesValue% of portfolioChange in sharesAction
Covestor Ltd36$11.0K0.01%−650−94.8%Reduced
Bartlett & Co. Wealth Management LLC35$10.5K0.00%00.0%Unchanged
Marquette Asset Management, LLC34$10.2K0.00%00.0%Unchanged
ZRC Wealth Management, LLC34$10.2K0.00%+3+9.7%Added
Medallion Wealth Advisors, LLC30$8.96K0.00%00.0%Unchanged
Mather Group, LLC.29$8.66K0.00%00.0%Unchanged
Bare Financial Services, Inc29$8.66K0.00%+20+222.2%Added
High Note Wealth, LLC26$7.77K0.00%00.0%Unchanged
Prestige Wealth Management Group LLC24$7.17K0.00%00.0%Unchanged
TFC Financial Management22$6.57K0.00%00.0%Unchanged
Arlington Trust Co LLC20$5.97K0.00%−28−58.3%Reduced
Zions Bancorporation, National Association18$5.38K0.00%+5+38.5%Added
Sachetta, LLC18$5.38K0.00%+13+260.0%Added
JPL Wealth Management, LLC16$4.78K0.00%00.0%Unchanged
Accent Capital Management, LLC16$4.78K0.00%00.0%Unchanged
Private Trust Co NA16$4.78K0.00%+5+45.5%Added
Cromwell Holdings LLC16$4.78K0.00%+7+77.8%Added
Creative Capital Management Investments LLC15$4.48K0.00%+15New
Wealth Enhancement Trust Services, Inc.15$4.48K0.00%+15New
Rossby Financial, LCC13$3.88K0.00%−8−38.1%Reduced
Salem Investment Counselors Inc13$3.88K0.00%00.0%Unchanged
DiNuzzo Private Wealth, Inc.13$3.88K0.00%00.0%Unchanged
Bay Harbor Wealth Management, LLC12$3.58K0.00%+2+20.0%Added
Caitong International Asset Management Co., Ltd12$3.58K0.00%+12New
Oakworth Capital, Inc.12$3.49K0.00%00.0%Unchanged
North Star Investment Management Corp.11$3.29K0.00%00.0%Unchanged
Princeton Global Asset Management LLC11$3.29K0.00%00.0%Unchanged
Stance Capital LLC11$3.29K0.00%+11New
Private Wealth Management Group, LLC10$2.99K0.00%00.0%Unchanged
First United Bank Trust10$2.99K0.00%+10New
SBI Securities Co., Ltd.9$2.69K0.00%−4−30.8%Reduced
William B. Walkup & Associates, Inc.9$2.69K0.00%+9New
Ameriflex Group, Inc.8$2.39K0.00%00.0%Unchanged
HFM Investment Advisors, LLC8$2.39K0.00%+5+166.7%Added
Brown, Lisle/Cummings, Inc.6$1.79K0.00%−1−14.3%Reduced
Hughes Financial Services, LLC6$1.79K0.00%+4+200.0%Added
Cornerstone Planning Group LLC5$1.53K0.00%00.0%Unchanged
Byrne Asset Management LLC5$1.49K0.00%00.0%Unchanged
Kilter Group LLC5$1.49K0.00%00.0%Unchanged
WPG Advisers, LLC5$1.49K0.00%00.0%Unchanged
Simplex Trading, LLC4$1.20K0.00%−681−99.4%Reduced
Lodestone Wealth Management LLC4$1.20K0.00%00.0%Unchanged
Capital Advisors, Ltd. LLC5$1.00K0.00%00.0%Unchanged
Financial Management Professionals, Inc.3$8960.00%00.0%Unchanged
Bruce G. Allen Investments, LLC3$8960.00%00.0%Unchanged
Planning Strategies Inc.3$8960.00%+3New
Quaker Wealth Management, LLC2$5980.00%00.0%Unchanged
AdvisorNet Financial, Inc2$5980.00%00.0%Unchanged
Cornerstone Financial Management LLC2$5980.00%00.0%Unchanged
Motco2$5980.00%+2New
Bell Investment Advisors, Inc2$5980.00%+2New
Silver Grove Financial Group, Inc.2$5980.00%+2New
GHP Investment Advisors, Inc.1$2990.00%00.0%Unchanged
Raffa Wealth Management, LLC1$2990.00%00.0%Unchanged
Strategic Advocates LLC1$2990.00%00.0%Unchanged
Principia Wealth Advisory, LLC1$2990.00%00.0%Unchanged
USA Financial Formulas1$2990.00%+1New
Maryland Capital Advisors Inc.1$2990.00%+1New
Transamerica Financial Advisors, Inc.1$2980.00%00.0%Unchanged
TD Waterhouse Canada Inc.1$2910.00%00.0%Unchanged
Ogorek Anthony Joseph2$00.00%00.0%Unchanged
Avion Wealth2$00.00%00.0%Unchanged
Navigoe, LLC2$00.00%+2New
Lone Pine Capital LLCSuperinvestorLone Pine Capital0$00.00%−1,754,950−100.0%Sold out
Millennium Management LLC0$00.00%−63,880−100.0%Sold out
Charter Oak Advisors LP0$00.00%−63,214−100.0%Sold out
Thornburg Investment Management Inc0$00.00%−37,762−100.0%Sold out
Sycomore Asset Management0$00.00%−31,437−100.0%Sold out
One Madison Group LLC0$00.00%−24,160−100.0%Sold out
Atika Capital Management LLC0$00.00%−21,855−100.0%Sold out
Heights Point Management, LP0$00.00%−8,340−100.0%Sold out
Susquehanna Portfolio Strategies, LLC0$00.00%−8,018−100.0%Sold out
Ecofi Investissements SA0$00.00%−7,450−100.0%Sold out
Aventail Capital Group, LP0$00.00%−7,013−100.0%Sold out
HighVista Strategies LLC0$00.00%−5,543−100.0%Sold out
Okabena Investment Services Inc0$00.00%−5,249−100.0%Sold out
Dark Forest Capital Management LP0$00.00%−5,051−100.0%Sold out
Settian Capital LP0$00.00%−5,000−100.0%Sold out
AXA S.A.0$00.00%−4,161−100.0%Sold out
Moody National Bank Trust Division0$00.00%−3,224−100.0%Sold out
SkyView Investment Advisors, LLC0$00.00%−2,428−100.0%Sold out
Consolidated Press International Holdings Ltd0$00.00%−2,200−100.0%Sold out
Fairvoy Private Wealth, LLC0$00.00%−2,156−100.0%Sold out
Lighthouse Investment Partners, LLC0$00.00%−2,115−100.0%Sold out
Resources Investment Advisors, LLC.0$00.00%−1,669−100.0%Sold out
Triglav Skladi, D.O.O.0$00.00%−1,502−100.0%Sold out
Neo Ivy Capital Management0$00.00%−1,397−100.0%Sold out
Nomura Holdings Inc0$00.00%−1,334−100.0%Sold out
Two Sigma Securities, LLC0$00.00%−1,151−100.0%Sold out
BBR Partners, LLC0$00.00%−1,105−100.0%Sold out
Kathmere Capital Management, LLC0$00.00%−1,064−100.0%Sold out
Altar Rock LLC0$00.00%−988−100.0%Sold out
World Equity Group, Inc.0$00.00%−962−100.0%Sold out
Edgestream Partners, L.P.0$00.00%−869−100.0%Sold out
Equitable Holdings, Inc.0$00.00%−829−100.0%Sold out
49 Wealth Management, LLC0$00.00%−783−100.0%Sold out
Kemnay Advisory Services Inc.0$00.00%−554−100.0%Sold out
Aster Capital Management (DIFC) Ltd0$00.00%−628−100.0%Sold out
Vega Investment Solutions0$00.00%−404−100.0%Sold out
Root Financial Partners, LLC0$00.00%−241−100.0%Sold out