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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 2025

Institutional positions in Clean Harbors Inc as of Sep 30, 2025. 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
569
−3 vs. Q2 2025
Shares held
49.8M
+1.28M (+2.6%) vs. Q2 2025
Total value
$11.6B
+$347.6M (+3.1%) vs. Q2 2025
New holders
73
173 more added
Sold out
76
204 more reduced

7 institutions that held it in Q2 2025 haven't filed for Q3 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q2 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 holdersQ3 2025: 569 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 2025: $11.6B
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 2025

Shares, value and share of portfolio for each institution holding Clean Harbors Inc; share changes are against Q2 2025.

Institutions holding CLH in Q3 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Cambridge Investment Research Advisors, Inc.4,833$1.12M0.00%−152−3.0%Reduced
Moody National Bank Trust Division4,951$1.15M0.10%+10+0.2%Added
Settian Capital LP5,000$1.16M0.79%00.0%Unchanged
CI Private Wealth, LLC5,015$1.16M0.00%+2,515+100.6%Added
Public Employees Retirement Association of Colorado5,081$1.18M0.00%00.0%Unchanged
Engineers Gate Manager LP5,106$1.19M0.01%−4,487−46.8%Reduced
Prudential Financial Inc5,338$1.24M0.00%−289−5.1%Reduced
AXA S.A.5,364$1.25M0.62%−39,190−88.0%Reduced
Northwest & Ethical Investments L.P.5,495$1.28M0.03%−3,377−38.1%Reduced
NVWM, LLC5,558$1.29M0.29%−30−0.5%Reduced
LMCG Investments, LLC5,623$1.31M0.08%−154−2.7%Reduced
Bridgewater Associates, LP5,762$1.34M0.01%+4,202+269.4%Added
Federation des caisses Desjardins du Quebec5,769$1.34M0.01%+5,420+1,553.0%Added
Creative Planning6,054$1.41M0.00%+698+13.0%Added
Southeast Asset Advisors Inc.6,066$1.41M0.15%−668−9.9%Reduced
The PNC Financial Services Group, Inc.6,103$1.42M0.00%+647+11.9%Added
Xponance, Inc.6,163$1.43M0.01%−338−5.2%Reduced
Captrust Financial Advisors6,207$1.44M0.00%−634−9.3%Reduced
Okabena Investment Services Inc6,240$1.45M0.28%+6,240New
AIA Group Ltd6,371$1.48M0.03%+6,371New
Truist Financial Corp6,461$1.50M0.00%−973−13.1%Reduced
Fulcrum Asset Management LLP6,569$1.53M0.42%−3,657−35.8%Reduced
Pacer Advisors, Inc.6,650$1.54M0.00%+5,114+332.9%Added
HighTower Advisors, LLC6,678$1.55M0.00%+2,051+44.3%Added
TimesSquare Capital Management, LLC6,770$1.57M0.02%00.0%Unchanged
GWM Advisors LLC6,900$1.60M0.01%+475+7.4%Added
BNP Paribas Arbitrage, SA7,045$1.64M0.00%−3,738−34.7%Reduced
Benjamin Edwards Inc7,219$1.68M0.02%+31+0.4%Added
Robeco Institutional Asset Management B.V.7,262$1.69M0.00%+6,371+715.0%Added
Vestmark Advisory Solutions, Inc.7,328$1.70M0.03%−7,878−51.8%Reduced
South Dakota Investment Council7,450$1.73M0.03%−7,500−50.2%Reduced
Mercer Global Advisors Inc7,484$1.74M0.00%+2,025+37.1%Added
Dana Investment Advisors, Inc.7,538$1.75M0.05%−31,171−80.5%Reduced
Ensign Peak Advisors, Inc7,571$1.76M0.00%−7,150−48.6%Reduced
Wiley Bros.-Aintree Capital, LLC7,586$1.76M0.01%−330−4.2%Reduced
Man Group plc7,739$1.80M0.00%−10,697−58.0%Reduced
Tredje AP-fonden7,797$1.81M0.01%+1,032+15.3%Added
Congress Park Capital LLC7,842$1.82M0.57%−25−0.3%Reduced
Shelton Capital Management7,894$1.83M0.04%00.0%Unchanged
Cerity Partners LLC7,908$1.84M0.00%+199+2.6%Added
Brevan Howard Capital Management LP8,018$1.86M0.03%+2,731+51.7%Added
BNP Paribas8,153$1.90M0.06%−68−0.8%Reduced
Russell Investments Group, Ltd.8,392$1.95M0.00%+3,555+73.5%Added
HighVista Strategies LLC9,106$2.11M0.52%+9,106New
Fox Run Management, L.L.C.9,399$2.18M0.34%+6,194+193.3%Added
Colonial Trust Advisors9,410$2.19M0.17%−35−0.4%Reduced
JustInvest LLC9,460$2.20M0.02%+49+0.5%Added
Coyle Financial Counsel LLC9,573$2.22M0.51%−633−6.2%Reduced
Bridges Investment Management Inc9,900$2.30M0.03%+591+6.3%Added
Voloridge Investment Management, LLC10,015$2.33M0.01%+10,015New
Teacher Retirement System of Texas10,106$2.35M0.01%−581−5.4%Reduced
Oregon Public Employees Retirement Fund10,176$2.36M0.03%−144−1.4%Reduced
EverSource Wealth Advisors, LLC10,227$2.37M0.09%−30.0%Reduced
New Mexico Educational Retirement Board10,300$2.39M0.07%00.0%Unchanged
Martingale Asset Management L P10,491$2.44M0.06%−9,502−47.5%Reduced
New Age Alpha Advisors, LLC10,566$2.45M0.10%−333−3.1%Reduced
Groupe la Francaise10,780$2.50M0.03%00.0%Unchanged
Edentree Asset Management Ltd11,002$2.56M0.62%00.0%Unchanged
M&T Bank Corp11,151$2.59M0.01%−4,826−30.2%Reduced
Northwestern Mutual Investment Management Company, LLC11,237$2.61M0.04%−9−0.1%Reduced
Renaissance Technologies LLC11,302$2.62M0.00%+11,302New
Intech Investment Management LLC11,870$2.76M0.02%−5,691−32.4%Reduced
State of Michigan Retirement System12,007$2.79M0.01%−100−0.8%Reduced
Advisors Asset Management, Inc.12,805$2.97M0.05%−5,237−29.0%Reduced
Commonwealth of Pennsylvania Public School Empls Retrmt Sys12,939$3.00M0.02%−10.0%Reduced
Prelude Capital Management, LLC13,060$3.03M0.24%+48+0.4%Added
Virginia Retirement Systems Et Al13,060$3.03M0.02%+13,060New
Algert Global LLC13,966$3.24M0.05%+2,130+18.0%Added
Louisiana State Employees Retirement System14,000$3.25M0.05%−200−1.4%Reduced
Scotia Capital Inc.14,362$3.34M0.01%−41−0.3%Reduced
K.J. Harrison & Partners Inc15,295$3.48M0.50%−1,000−6.1%Reduced
PKO Investment Management Joint-Stock Co15,000$3.48M0.30%00.0%Unchanged
Arizona State Retirement System15,063$3.50M0.02%+131+0.9%Added
Voya Investment Management LLC15,216$3.53M0.00%−161,658−91.4%Reduced
State of New Jersey Common Pension Fund D15,244$3.54M0.01%−687−4.3%Reduced
KLP Kapitalforvaltning AS15,700$3.65M0.01%+500+3.3%Added
Pacific Capital Partners Ltd15,750$3.66M4.07%−1,750−10.0%Reduced
Public Employees Retirement System of Ohio15,824$3.67M0.01%+98+0.6%Added
HSBC Holdings PLC16,163$3.75M0.00%+13,743+567.9%Added
Yousif Capital Management, LLC16,354$3.80M0.04%−1,145−6.5%Reduced
Sandler Capital Management16,540$3.84M1.41%−457−2.7%Reduced
Union Bancaire Privee, UBP SA16,721$3.88M0.08%+712+4.4%Added
Twin Tree Management, LP16,756$3.89M0.18%−12,745−43.2%Reduced
Cetera Investment Advisers16,908$3.93M0.00%+626+3.8%Added
Jackson Square Partners, LLC17,029$3.95M1.60%−4,806−22.0%Reduced
Kempen Capital Management N.V.17,222$4.00M0.04%+3,094+21.9%Added
Hilton Capital Management, LLC17,340$4.03M0.33%+894+5.4%Added
Holocene Advisors, LP17,341$4.03M0.01%−14,000−44.7%Reduced
Van Eck Associates Corp17,350$4.03M0.00%+1,358+8.5%Added
Ameritas Investment Partners, Inc.17,630$4.09M0.13%−1,074−5.7%Reduced
Investors Towarzystwo Funduszy Inwestycyjnych Spolka Akcyjna17,657$4.10M1.64%00.0%Unchanged
ExodusPoint Capital Management, LP18,176$4.22M0.06%−16,111−47.0%Reduced
Bell Asset Management Ltd19,885$4.62M1.26%−6,174−23.7%Reduced
State of Tennessee, Treasury Department20,424$4.74M0.02%00.0%Unchanged
Amica Mutual Insurance Co20,820$4.83M0.44%00.0%Unchanged
Teachers Retirement System of the State of Kentucky21,392$4.97M0.04%−3,422−13.8%Reduced
Deutsche Bank AG21,443$4.98M0.00%+21+0.1%Added
Brant Point Investment Management LLC22,224$5.16M1.15%+223+1.0%Added
LPL Financial LLC22,399$5.20M0.00%−66−0.3%Reduced
Police & Firemen's Retirement System of New Jersey22,483$5.22M0.04%+3,211+16.7%Added