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Clean Harbors, Inc. (CLH) Institutional Ownership & Insider Trading

660 institutions reported holding Clean Harbors, Inc. shares in 13F filings for the quarter ended 2026-06-30, according to EquiReason's reading of their SEC filings. 13 insider trades on Form 4 since 2025-10-01.

Source: SEC EDGAR filings · figures as of 2026-06-30 · read by EquiReason

CLHClean Harbors, Inc.Follow CLH — free
Waste Management · Industrials
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Price chart with a free account
Market cap
16.8B
P/E TTM
38.6
Dividend yield
—
52-week
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Next earnings
28 Oct, in 4 days

Institutions · all 13F filers

quarter to 30 Jun 2026 · filers in both quarters

660 institutions held 93.7% of the shares. Across filers that reported both quarters, shares held changed +0.5%.

Increased+183New+76Decreased-219Closed-43

Largest moves, shares (millions)

FMR+0.9MHood River Capital…+0.4MFil+0.4MLone Pine Capital-1.8MPictet Asset Management…-0.6MWellington Management Group-0.4M

Institutional flow by quarter

net shares added or trimmed, millions · filers in both quarters
-1.1Sep 24+0.7Dec 24-0.2Mar 25+0.1Jun 25+1.4Sep 25+1.0Dec 25-1.3Mar 26+0.3Jun 26
QuarterHoldersShares held, MChangeIncreasedNewDecreasedClosed
Jun 2666049+0.5%1837621943
Mar 2662149-2.8%1879217135
Dec 2555952+2.1%1365220769
Sep 2555350+2.8%1415516759
Jun 2556849+0.1%1535918748
Mar 2554948-0.5%1617118378
Dec 2455349+1.6%1483618155
Sep 2455947-2.6%1566917723

Clean Harbors, Inc. — questions

Who owns Clean Harbors, Inc. stock?
660 institutions reported Clean Harbors, Inc. shares in 13F filings for the quarter ended 2026-06-30. The largest: BlackRock, Inc. (9.6%), WELLINGTON MANAGEMENT GROUP LLP (6.0%), FMR LLC (5.7%).
Are Clean Harbors, Inc. insiders buying or selling?
13 insider trades on Form 4 since 2025-10-01; the full list, with dates, people and plan status, is on this page.

Every figure on this page comes from Clean Harbors, Inc.'s own SEC filings — see them on SEC EDGAR. Price data is licensed and shown only inside the product.

How these figures are read: methodology · EquiReason.