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Livermore
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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, Q1 2026

Institutional positions in Clean Harbors Inc as of Mar 31, 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
626
+66 vs. Q4 2025
Shares held
49.3M
+3.03M (+6.5%) vs. Q4 2025
Total value
$14.1B
+$3.28B (+30.2%) vs. Q4 2025
New holders
115
211 more added
Sold out
49
197 more reduced

8 institutions that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q4 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 holdersQ1 2026: 626 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 heldQ1 2026: $14.1B
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, Q1 2026

Shares, value and share of portfolio for each institution holding Clean Harbors Inc; share changes are against Q4 2025.

Institutions holding CLH in Q1 2026
InstitutionSharesValue% of portfolioChange in sharesAction
Ogorek Anthony Joseph2$00.00%00.0%Unchanged
Avion Wealth2$00.00%00.0%Unchanged
Transamerica Financial Advisors, Inc.1$2860.00%00.0%Unchanged
Strategic Advocates LLC1$2870.00%−1,380−99.9%Reduced
Principia Wealth Advisory, LLC1$2870.00%00.0%Unchanged
GHP Investment Advisors, Inc.1$2870.00%+1New
Raffa Wealth Management, LLC1$2870.00%+1New
USA Financial Portformulas Corp1$2870.00%+1New
SHP Wealth Management1$2870.00%+1New
Intentional Wealth Strategies, LLC1$2870.00%+1New
TD Waterhouse Canada Inc.1$2900.00%00.0%Unchanged
AdvisorNet Financial, Inc2$5730.00%00.0%Unchanged
Wall Street Financial Group, Inc.2$5730.00%+2New
Curio Wealth, LLC2$5730.00%+2New
Hughes Financial Services, LLC2$5730.00%+2New
Cornerstone Financial Management LLC2$5730.00%+2New
Essential Partners LLC2$5730.00%+2New
Quaker Wealth Management, LLC2$5740.00%00.0%Unchanged
Rachor Investment Advisory Services, LLC2$5740.00%00.0%Unchanged
Crewe Advisors LLC2$5740.00%+2New
PEAK6 LLC2$6350.00%+2New
HFM Investment Advisors, LLC3$8600.00%00.0%Unchanged
Financial Management Professionals, Inc.3$8600.00%00.0%Unchanged
Bruce G. Allen Investments, LLC3$8600.00%00.0%Unchanged
Greykasell Wealth Strategies, Inc.3$8600.00%00.0%Unchanged
Capital Advisors, Ltd. LLC5$1.00K0.00%00.0%Unchanged
Lodestone Wealth Management LLC4$1.15K0.00%00.0%Unchanged
Vermillion Wealth Management, Inc.4$1.15K0.00%+4New
Golden State Equity Partners5$1.43K0.00%+5New
WPG Advisers, LLC5$1.43K0.00%−5−50.0%Reduced
Sachetta, LLC5$1.43K0.00%00.0%Unchanged
Kilter Group LLC5$1.43K0.00%00.0%Unchanged
Byrne Asset Management LLC5$1.43K0.00%00.0%Unchanged
Activest Wealth Management5$1.43K0.00%+5New
Cornerstone Planning Group LLC5$1.57K0.00%+5New
Brown, Lisle/Cummings, Inc.7$2.01K0.00%+7New
Ameriflex Group, Inc.8$2.29K0.00%00.0%Unchanged
Bare Financial Services, Inc9$2.58K0.00%+6+200.0%Added
Cromwell Holdings LLC9$2.58K0.00%+3+50.0%Added
Bay Harbor Wealth Management, LLC10$2.87K0.00%+3+42.9%Added
Private Wealth Management Group, LLC10$2.87K0.00%00.0%Unchanged
RMG Wealth Management LLC10$2.94K0.00%+10New
Private Trust Co NA11$3.15K0.00%−28−71.8%Reduced
Princeton Global Asset Management LLC11$3.15K0.00%−12−52.2%Reduced
North Star Investment Management Corp.11$3.15K0.00%00.0%Unchanged
Crews Bank & Trust11$3.15K0.00%+11New
Oakworth Capital, Inc.12$3.44K0.00%00.0%Unchanged
Zions Bancorporation, National Association13$3.73K0.00%+2+18.2%Added
SBI Securities Co., Ltd.13$3.73K0.00%+6+85.7%Added
DiNuzzo Private Wealth, Inc.13$3.73K0.00%00.0%Unchanged
Salem Investment Counselors Inc13$3.73K0.00%+13New
Accent Capital Management, LLC16$4.59K0.00%00.0%Unchanged
JPL Wealth Management, LLC16$4.59K0.00%+16New
Global Trust Asset Management, LLC18$5.16K0.00%00.0%Unchanged
1620 Investment Advisors, Inc.20$5.74K0.00%00.0%Unchanged
Rossby Financial, LCC21$6.09K0.00%+7+50.0%Added
TFC Financial Management22$6.31K0.00%00.0%Unchanged
Prestige Wealth Management Group LLC24$6.88K0.00%00.0%Unchanged
High Note Wealth, LLC26$7.46K0.00%00.0%Unchanged
Mather Group, LLC.29$8.31K0.00%+29New
Medallion Wealth Advisors, LLC30$8.60K0.00%00.0%Unchanged
ZRC Wealth Management, LLC31$8.89K0.00%+10+47.6%Added
Ancora Advisors, LLC32$9.18K0.00%+32New
Marquette Asset Management, LLC34$9.75K0.00%+8+30.8%Added
Bogart Wealth, LLC36$10.3K0.00%+13+56.5%Added
Bartlett & Co. Wealth Management LLC35$10.9K0.00%00.0%Unchanged
Fortitude Family Office, LLC44$12.6K0.00%+30+214.3%Added
Farmers & Merchants Investments Inc45$12.9K0.00%00.0%Unchanged
Washington Trust Advisors, Inc.46$13.3K0.00%−5−9.8%Reduced
Itau Unibanco Holding S.A.48$13.8K0.00%00.0%Unchanged
Arlington Trust Co LLC48$13.8K0.00%+28+140.0%Added
Clearstead Advisors, LLC52$14.9K0.00%−202−79.5%Reduced
Twin Peaks Wealth Advisors, LLC52$14.9K0.00%+52New
Keating Financial Advisory Services, Inc.55$15.8K0.00%+14+34.1%Added
LRI Investments, LLC57$16.3K0.00%+3+5.6%Added
Atlantic Union Bankshares Corp58$16.6K0.00%00.0%Unchanged
National Bank of Canada61$17.4K0.00%+61New
MidFirst Bank62$17.8K0.00%−59−48.8%Reduced
Creative Financial Designs Inc62$17.8K0.00%+4+6.9%Added
JFS Wealth Advisors, LLC64$18.4K0.00%00.0%Unchanged
Owl Creek Wealth Partners LLC65$18.6K0.01%+65New
Guinness Asset Management LTD70$20.1K0.00%00.0%Unchanged
Pinnacle Wealth Planning Services, Inc.71$20.2K0.00%−2−2.7%Reduced
Harbour Investments, Inc.74$21.2K0.00%+19+34.5%Added
Spire Wealth Management77$22.2K0.00%00.0%Unchanged
CVA Family Office, LLC85$24.4K0.00%+80+1,600.0%Added
TD Capital Management LLC86$24.7K0.00%00.0%Unchanged
Advisory Services Network, LLC87$24.9K0.00%+87New
Salomon & Ludwin, LLC84$24.9K0.00%00.0%Unchanged
Aventura Private Wealth, LLC100$28.7K0.01%00.0%Unchanged
IFP Advisors, Inc101$29.0K0.00%+17+20.2%Added
Community Bank, N.A.104$29.8K0.00%00.0%Unchanged
Basecamp Wealth Advisors LLC115$33.0K0.01%+4+3.6%Added
Mitsubishi UFJ Kokusai Asset Management Co., Ltd.119$34.1K0.00%00.0%Unchanged
Manchester Capital Management LLC132$37.8K0.01%00.0%Unchanged
Banque Cantonale Vaudoise138$40.0K0.00%00.0%Unchanged
V-Square Quantitative Management LLC143$41.0K0.00%00.0%Unchanged
Whittier Trust Co of Nevada Inc139$41.6K0.00%−3−2.1%Reduced
Rothschild Investment LLC175$50.2K0.00%+172+5,733.3%Added
Huntington National Bank177$50.8K0.00%+79+80.6%Added