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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
Louisiana State Employees Retirement System14,000$3.25M0.05%−200−1.4%Reduced
Algert Global LLC13,966$3.24M0.05%+2,130+18.0%Added
Prelude Capital Management, LLC13,060$3.03M0.24%+48+0.4%Added
Virginia Retirement Systems Et Al13,060$3.03M0.02%+13,060New
Commonwealth of Pennsylvania Public School Empls Retrmt Sys12,939$3.00M0.02%−10.0%Reduced
Advisors Asset Management, Inc.12,805$2.97M0.05%−5,237−29.0%Reduced
State of Michigan Retirement System12,007$2.79M0.01%−100−0.8%Reduced
Intech Investment Management LLC11,870$2.76M0.02%−5,691−32.4%Reduced
Renaissance Technologies LLC11,302$2.62M0.00%+11,302New
Northwestern Mutual Investment Management Company, LLC11,237$2.61M0.04%−9−0.1%Reduced
M&T Bank Corp11,151$2.59M0.01%−4,826−30.2%Reduced
Edentree Asset Management Ltd11,002$2.56M0.62%00.0%Unchanged
Groupe la Francaise10,780$2.50M0.03%00.0%Unchanged
New Age Alpha Advisors, LLC10,566$2.45M0.10%−333−3.1%Reduced
Martingale Asset Management L P10,491$2.44M0.06%−9,502−47.5%Reduced
New Mexico Educational Retirement Board10,300$2.39M0.07%00.0%Unchanged
EverSource Wealth Advisors, LLC10,227$2.37M0.09%−30.0%Reduced
Oregon Public Employees Retirement Fund10,176$2.36M0.03%−144−1.4%Reduced
Teacher Retirement System of Texas10,106$2.35M0.01%−581−5.4%Reduced
Voloridge Investment Management, LLC10,015$2.33M0.01%+10,015New
Bridges Investment Management Inc9,900$2.30M0.03%+591+6.3%Added
Coyle Financial Counsel LLC9,573$2.22M0.51%−633−6.2%Reduced
JustInvest LLC9,460$2.20M0.02%+49+0.5%Added
Colonial Trust Advisors9,410$2.19M0.17%−35−0.4%Reduced
Fox Run Management, L.L.C.9,399$2.18M0.34%+6,194+193.3%Added
HighVista Strategies LLC9,106$2.11M0.52%+9,106New
Russell Investments Group, Ltd.8,392$1.95M0.00%+3,555+73.5%Added
BNP Paribas8,153$1.90M0.06%−68−0.8%Reduced
Brevan Howard Capital Management LP8,018$1.86M0.03%+2,731+51.7%Added
Cerity Partners LLC7,908$1.84M0.00%+199+2.6%Added
Shelton Capital Management7,894$1.83M0.04%00.0%Unchanged
Congress Park Capital LLC7,842$1.82M0.57%−25−0.3%Reduced
Tredje AP-fonden7,797$1.81M0.01%+1,032+15.3%Added
Man Group plc7,739$1.80M0.00%−10,697−58.0%Reduced
Wiley Bros.-Aintree Capital, LLC7,586$1.76M0.01%−330−4.2%Reduced
Ensign Peak Advisors, Inc7,571$1.76M0.00%−7,150−48.6%Reduced
Dana Investment Advisors, Inc.7,538$1.75M0.05%−31,171−80.5%Reduced
Mercer Global Advisors Inc7,484$1.74M0.00%+2,025+37.1%Added
South Dakota Investment Council7,450$1.73M0.03%−7,500−50.2%Reduced
Vestmark Advisory Solutions, Inc.7,328$1.70M0.03%−7,878−51.8%Reduced
Robeco Institutional Asset Management B.V.7,262$1.69M0.00%+6,371+715.0%Added
Benjamin Edwards Inc7,219$1.68M0.02%+31+0.4%Added
BNP Paribas Arbitrage, SA7,045$1.64M0.00%−3,738−34.7%Reduced
GWM Advisors LLC6,900$1.60M0.01%+475+7.4%Added
TimesSquare Capital Management, LLC6,770$1.57M0.02%00.0%Unchanged
HighTower Advisors, LLC6,678$1.55M0.00%+2,051+44.3%Added
Pacer Advisors, Inc.6,650$1.54M0.00%+5,114+332.9%Added
Fulcrum Asset Management LLP6,569$1.53M0.42%−3,657−35.8%Reduced
Truist Financial Corp6,461$1.50M0.00%−973−13.1%Reduced
AIA Group Ltd6,371$1.48M0.03%+6,371New
Okabena Investment Services Inc6,240$1.45M0.28%+6,240New
Captrust Financial Advisors6,207$1.44M0.00%−634−9.3%Reduced
Xponance, Inc.6,163$1.43M0.01%−338−5.2%Reduced
The PNC Financial Services Group, Inc.6,103$1.42M0.00%+647+11.9%Added
Southeast Asset Advisors Inc.6,066$1.41M0.15%−668−9.9%Reduced
Creative Planning6,054$1.41M0.00%+698+13.0%Added
Federation des caisses Desjardins du Quebec5,769$1.34M0.01%+5,420+1,553.0%Added
Bridgewater Associates, LP5,762$1.34M0.01%+4,202+269.4%Added
LMCG Investments, LLC5,623$1.31M0.08%−154−2.7%Reduced
NVWM, LLC5,558$1.29M0.29%−30−0.5%Reduced
Northwest & Ethical Investments L.P.5,495$1.28M0.03%−3,377−38.1%Reduced
AXA S.A.5,364$1.25M0.62%−39,190−88.0%Reduced
Prudential Financial Inc5,338$1.24M0.00%−289−5.1%Reduced
Engineers Gate Manager LP5,106$1.19M0.01%−4,487−46.8%Reduced
Public Employees Retirement Association of Colorado5,081$1.18M0.00%00.0%Unchanged
CI Private Wealth, LLC5,015$1.16M0.00%+2,515+100.6%Added
Settian Capital LP5,000$1.16M0.79%00.0%Unchanged
Moody National Bank Trust Division4,951$1.15M0.10%+10+0.2%Added
Cambridge Investment Research Advisors, Inc.4,833$1.12M0.00%−152−3.0%Reduced
Truvestments Capital LLC4,771$1.11M0.20%−641−11.8%Reduced
Custom Index Systems, LLC4,727$1.10M0.33%+1,655+53.9%Added
Pathstone Holdings, LLC4,632$1.08M0.00%−133−2.8%Reduced
Ashton Thomas Private Wealth, LLC4,617$1.07M0.03%+411+9.8%Added
Knollwood Investment Advisory, LLC4,500$1.04M0.09%00.0%Unchanged
Access Financial Services, Inc.4,472$1.04M0.38%−89−2.0%Reduced
Baird Financial Group, Inc.4,435$1.03M0.00%+17+0.4%Added
Wealth Enhancement Advisory Services, LLC4,383$1.02M0.00%+911+26.2%Added
EntryPoint Capital, LLC4,352$1.01M0.39%+4,352New
Maridea Wealth Management LLC4,138$1.01M0.16%+4,138New
Hancock Whitney Corp4,308$1.00M0.02%−5,281−55.1%Reduced
Advisor Group Holdings, Inc.4,188$990.3K0.00%+195+4.9%Added
Nisa Investment Advisors, LLC4,167$967.7K0.00%00.0%Unchanged
O'Shaughnessy Asset Management, LLC4,046$939.6K0.01%+80+2.0%Added
SFE Investment Counsel3,970$921.9K0.15%−422−9.6%Reduced
PEAK6 LLC3,940$915.0K0.02%+3,940New
Murphy & Mullick Capital Management Corp3,914$908.9K0.67%00.0%Unchanged
Quadrant Capital Group LLC3,899$905.4K0.03%+6+0.2%Added
Simplicity Wealth,LLC3,835$890.6K0.05%−45−1.2%Reduced
Janney Montgomery Scott LLC3,832$890.0K0.00%+212+5.9%Added
Ethic Inc.3,781$878.0K0.01%+509+15.6%Added
Securian Asset Management, Inc3,776$876.9K0.02%−125−3.2%Reduced
Oak Thistle LLC3,731$866.4K0.13%−2,633−41.4%Reduced
Oppenheimer & Co Inc3,661$850.2K0.01%−158−4.1%Reduced
Inceptionr LLC3,582$831.8K0.20%+3,582New
Sterling Capital Management LLC3,527$819.0K0.01%−214−5.7%Reduced
Commonwealth Equity Services, LLC3,525$819.0K0.00%−763−17.8%Reduced
Fulton Bank, N.A.3,507$814.4K0.03%−230−6.2%Reduced
Summit Trail Advisors, LLC3,491$810.7K0.01%−1,756−33.5%Reduced
Stephens Inc3,475$807.0K0.01%−72−2.0%Reduced
Legato Capital Management LLC3,367$781.9K0.09%00.0%Unchanged