Ticker · CUSIP 184496107

CLH

CLEAN HARBORS INC
···Share
Holders (tracked)
14
Combined shares
11,000,369
Combined value
$2.58B
Last close
$300.70
Quarter
2025Q4
Price · 1Y$300.70+93.76 (+45.31%)H $304.41 · L $201.73 · Avg Vol 461K
Congress buyCongress sell
$200.00$220.00$240.00$260.00$280.00$300.00VolJul 25Oct 25Jan 26Apr 26
Tracked holders · last 8 quarters
+3 vs previous quarter over the last 8.
14122024Q12025Q4
Price is +28.2% vs the avg quarter-end implied price across tracked holders.

SEC event timeline

28 events
  1. +2,440 shares · 2025Q4
    Position
  2. −29,900 shares · 2025Q4
    Position
  3. +1,378,125 shares · 2025Q4
    Position
  4. −12,080 shares · 2025Q4
    Position
  5. +108,292 shares · 2025Q4
    Position
  6. +13,216 shares · 2025Q4
    Position
  7. +238,709 shares · 2025Q4
    Position
  8. −15,736 shares · 2025Q4
    Position
  9. +336,299 shares · 2025Q4
    Position
  10. −2,153 shares · 2025Q4
    Position
  11. −391,614 shares · 2025Q4
    Position
  12. −5,762 shares · 2025Q4
    Position
  13. −11,302 shares · 2025Q4
    Position
  14. +649,075 shares · 2025Q4
    Position
  15. +3,816 shares · 2025Q4
    Position
  16. −33,928 shares · 2025Q3
    Position
  17. +7,568 shares · 2025Q3
    Position
  18. −39,241 shares · 2025Q3
    Position
  19. +229,666 shares · 2025Q3
    Position
  20. −3,963 shares · 2025Q3
    Position
  21. +1,001,946 shares · 2025Q3
    Position
  22. −110,283 shares · 2025Q3
    Position
  23. −190,853 shares · 2025Q3
    Position
  24. +124,557 shares · 2025Q3
    Position
  25. +11,302 shares · 2025Q3
    Position
  26. +4,202 shares · 2025Q3
    Position
  27. −638,600 shares · 2025Q3
    Position
  28. −755 shares · 2024Q3
    Position

Insider activity

No insider transactions in the last 30 days.
Follow-the-investor returns
If you'd copied each holder of CLH…
Cost basis inferred from each manager's quarter-over-quarter position changes. Sorted by % return on the position they're still holding.
InvestorFirst inCost basisReturnPosition value today
Norges Bank (Norway SWF)2016Q1$105.23+185.8%$195.2M
T. Rowe Price2016Q1$108.37+177.5%$22.6M
Wellington Management2016Q1$122.76+145.0%$1.56B
AQR Capital Management2016Q1$177.65+69.3%$6.4M
Steve Cohen (Point72)2019Q2$195.38+53.9%$71.8M
Paul Tudor Jones (Tudor Investment)2016Q1$197.61+52.2%$734K
Izzy Englander (Millennium Mgmt)2016Q2$208.52+44.2%$13.1M
Two Sigma Investments2017Q1$226.85+32.6%$148.2M
Dan Sundheim (D1 Capital)2025Q1$229.59+31.0%$836.5M
Ken Griffin (Citadel Advisors)2016Q3$229.89+30.8%$4.4M
Ken Griffin (Citadel Advisors)2016Q3$229.89+30.8%$4.4M
Jeremy Grantham (GMO)2025Q3$232.22+29.5%$32.7M
Stephen Mandel (Lone Pine Capital)2025Q4$234.48+28.2%$414.4M
First Eagle Investment Management2025Q4$234.48+28.2%$1.1M

Who moved on this name in 2025Q4

Position changes reported for the latest quarter, grouped by direction.

Institutional ownership over time

Distinct super-investors holding this ticker · combined dollar value, by quarter.
QuarterHoldersCombined value
2022Q1
12
$58.15B
2022Q2
11
$45.11B
2022Q3
13
$1.30B
2022Q4
13
$1.37B
2023Q1
11
$1.52B
2023Q2
12
$1.63B
2023Q3
9
$1.03B
2023Q4
11
$1.04B
2024Q1
12
$1.93B
2024Q2
14
$2.14B
2024Q3
17
$1.19B
2024Q4
15
$299.2M
2025Q1
14
$1.33B
2025Q2
13
$2.00B
2025Q3
11
$2.03B
2025Q4
14
$2.58B
Congress members trading this stock
DateMemberTypeAmount rangeFiling
2025-12-03April McClain DelaneyBuy$1K – $15KPDF ↗
2025-08-07April McClain DelaneySell (P)$1K – $15KPDF ↗
2025-06-20April McClain DelaneySell (P)$1K – $15KPDF ↗
2025-02-10April McClain DelaneySell (P)$1K – $15KPDF ↗
2025-02-07April McClain DelaneySell (P)$1K – $15KPDF ↗
2025-01-13Rob BresnahanSell$1K – $15KPDF ↗

Who owns CLH

14 super-investors · 2025Q4
Tracked stake
11.00M
shares
Combined value
$2.58B
% of shares outstanding
shares-out unknown
Quarter action mix
New5Added3Trim6
#ManagerSharesValue
1Wellington Management5.18M$1.22B
2Dan Sundheim
D1 Capital
2.78M$652M
3Stephen Mandel
Lone Pine Capital
1.38M$323M
4Norges Bank
Norway SWF
649.1K$152M
5Two Sigma Investments492.8K$116M
6Steve Cohen
Point72
238.7K$56M
7Jeremy Grantham
GMO
108.8K$26M
8T. Rowe Price75.1K$18M
9Izzy Englander
Millennium Mgmt
43.6K$10M
10AQR Capital Management21.3K$5M
11Ken Griffin
Citadel Advisors
14.7K$3M
12Ken Griffin
Citadel Advisors
7.5K$2M
13First Eagle Investment Management3.8K$895K
14Paul Tudor Jones
Tudor Investment
2.4K$572K

Recent moves

20 transactions
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