NYSE: CLH
Clean Harbors Inc Stock Ownership - Who owns Clean Harbors?

Insider buying vs selling

Have Clean Harbors Inc insiders been buying or selling?

Buy
Sell
NameRoleDateSharesPriceValue
Jeroen DiderichEVPPresident of SalesService2026-06-011,717$281.00
$482.48kSell
Lauren StatesDirector2026-05-26789$286.19
$225.80kSell
Karyn PolitoDirector2026-05-11460$295.13
$135.76kBuy
Karyn PolitoDirector2026-05-11460$295.13
$135.76kBuy
Karyn PolitoDirector2026-05-11460$295.13
$135.76kBuy
Eric W. GerstenbergCO-CEO2026-03-181,000$293.00
$293.00kSell
Marcy L. ReedDirector2026-03-18836$287.94
$240.72kSell
Brian P. WeberEVP CHESI2026-03-174,683$293.39
$1.37MSell
Eric W. GerstenbergCO-CEO2026-03-13977$288.93
$282.28kSell
Brian P. WeberEVP CHESI2026-03-13960$288.93
$277.37kSell

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Net Insider Buy/Sell (L12M) Ownership

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CLH Shareholders

What type of owners hold Clean Harbors Inc stock?

Institutional
Insider
Retail
NameHoldSharesValueType
Blackrock Inc9.09%4,802,492$1.45BInstitution
Wellington Management Group LLP6.77%3,577,034$1.08BInstitution
Alan S. McKim5.15%2,723,226$821.46MInsider
Janus Henderson Group PLC4.46%2,355,394$710.50MInstitution
Vanguard Capital Management LLC4.11%2,169,364$654.39MInstitution
Fmr LLC3.98%2,101,179$633.82MInstitution
Vanguard Portfolio Management LLC3.71%1,962,951$592.12MInstitution
Lone Pine Capital LLC3.32%1,754,950$529.38MInstitution
State Street Corp2.91%1,537,297$463.73MInstitution
D1 Capital Partners LP2.53%1,338,281$403.69MInstitution

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CLH vs Waste Management Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
CLH91.98%8.02%Net SellingNet Selling
GFL69.86%0.00%
JAN20.15%28.93%Net Buying
CWST97.31%2.69%Net SellingNet Selling
ONT90.60%9.40%Net SellingNet Buying

Clean Harbors Stock Ownership FAQ

Who owns Clean Harbors?

Clean Harbors (NYSE: CLH) is owned by 93.35% institutional shareholders, 8.14% Clean Harbors insiders, and 0.00% retail investors. Alan S. McKim is the largest individual Clean Harbors shareholder, owning 2.72M shares representing 5.15% of the company. Alan S. McKim's Clean Harbors shares are currently valued at $821.46M.

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