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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, Q3 2021

Institutional positions in Clean Harbors Inc as of Sep 30, 2021. 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
309
+26 vs. Q2 2021
Shares held
48.3M
+538.3K (+1.1%) vs. Q2 2021
Total value
$5.02B
+$578.2M (+13.0%) vs. Q2 2021
New holders
46
91 more added
Sold out
20
127 more reduced

3 institutions that held it in Q2 2021 haven't filed for Q3 2021 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q2 2021: 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 2021: 309 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 2021: $5.02B
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 2021

Shares, value and share of portfolio for each institution holding Clean Harbors Inc; share changes are against Q2 2021.

Institutions holding CLH in Q3 2021
InstitutionSharesValue% of portfolioChange in sharesAction
Meeder Asset Management Inc20$2.00K0.00%+12+150.0%Added
Aua Capital Management, LLC17$2.00K0.00%+12+240.0%Added
Berman Capital Advisors, LLC22$2.00K0.00%+22New
Oakworth Capital, Inc.12$1.00K0.00%00.0%Unchanged
Parkside Financial Bank & Trust5$1.00K0.00%00.0%Unchanged
Bell Investment Advisors, Inc7$1.00K0.00%+7New
Ci Investments Inc.3$00.00%+3New
Meridian Wealth Partners, LLC2$00.00%+2New
Consolidated Planning Corp4$00.00%+4New
Arrowstreet Capital, Limited Partnership0$00.00%−143,697−100.0%Sold out
Bank of Nova Scotia0$00.00%−43,222−100.0%Sold out
Autonomy Capital (Jersey) L.P.0$00.00%−24,040−100.0%Sold out
Tudor Investment Corp Et Al0$00.00%−15,686−100.0%Sold out
Hillsdale Investment Management Inc.0$00.00%−6,100−100.0%Sold out
Janney Montgomery Scott LLC0$00.00%−4,459−100.0%Sold out
Quantitative Systematic Strategies LLC0$00.00%−4,111−100.0%Sold out
Two Sigma Investments, LP0$00.00%−3,124−100.0%Sold out
Walleye Capital LLC0$00.00%−2,690−100.0%Sold out
PDT Partners, LLC0$00.00%−2,641−100.0%Sold out
Ergoteles LLC0$00.00%−2,600−100.0%Sold out
GVO Asset Management Ltd0$00.00%−1,479−100.0%Sold out
DuPont Capital Management Corp0$00.00%−581−100.0%Sold out
Point72 Hong Kong Ltd0$00.00%−269−100.0%Sold out
Strategic Blueprint, LLC0$00.00%−179−100.0%Sold out
Dark Forest Capital Management LP0$00.00%−159−100.0%Sold out
Healthcare of Ontario Pension Plan Trust Fund0$00.00%−52−100.0%Sold out
Steward Partners Investment Advisory, LLC0$00.00%−49−100.0%Sold out
Eubel Brady & Suttman Asset Management Inc0$00.00%−11−100.0%Sold out
Advisory Services Network, LLC0$00.00%−14−100.0%Sold out
Pictet Asset Management Ltd––––Not filed
CWM, LLC––––Not filed
First Horizon Corp––––Not filed