Stocks / CLH / Shares Outstanding

Clean Harbors, Inc. Shares Outstanding 2008–2025

Clean Harbors, Inc. reported 52.9M of shares outstanding for fiscal 2025. That was 1.8% lower than fiscal 2024. Compared with fiscal 2020, the change was -3.5%. A falling share count is consistent with net buybacks exceeding issuance over the period, though the filing should be checked for the components.

Latest filed value
52.9M
One-year change
-1.8%
Change since 2020
-3.5%
Latest period end
2025-12-31
Clean Harbors, Inc. Shares Outstanding history from 2008 to 2025FY 2008: 0FY 2009: 52461606FY 2010: 52772392FY 2011: 53182859FY 2012: 60385453FY 2013: 60672180FY 2014: 58903482FY 2015: 57593201FY 2016: 57297978FY 2017: 56501190FY 2018: 55847261FY 2019: 55797734FY 2020: 54772696FY 2021: 54419321FY 2022: 54064797FY 2023: 53929703FY 2024: 53832692FY 2025: 52870599
Annual filed history. Hover chart points for raw values; the accessible table below is the source of record.
Fiscal yearShares OutstandingChange (YoY)
FY 202552.9M-1.8%
FY 202453.8M-0.2%
FY 202353.9M-0.2%
FY 202254.1M-0.7%
FY 202154.4M-0.6%
FY 202054.8M-1.8%
FY 201955.8M-0.1%
FY 201855.8M-1.2%
FY 201756.5M-1.4%
FY 201657.3M-0.5%
FY 201557.6M-2.2%
FY 201458.9M-2.9%
FY 201360.7M+0.5%
FY 201260.4M+13.5%
FY 201153.2M+0.8%
FY 201052.8M+0.6%
FY 200952.5M
FY 20080.0M

Source: Clean Harbors, Inc. SEC filings — balance sheet (10-K), split-adjusted. Computed deterministically; refreshed nightly (last updated August 2, 2026). Open CLH 10-K filings at SEC EDGAR · Methodology · Download CSV.

How to read this history

Clean Harbors, Inc. reported 52.9M of shares outstanding for fiscal 2025. That was 1.8% lower than fiscal 2024. Compared with fiscal 2020, the change was -3.5%. A falling share count is consistent with net buybacks exceeding issuance over the period, though the filing should be checked for the components. Values remain missing when the cached filing does not disclose a comparable line item; they are never estimated. Stock splits, reorganizations and fiscal-calendar changes can reduce comparability.

Prepared and reviewed by the stockportfolio.pro research desk. Corrections: support@stockportfolio.pro.

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Clean Harbors, Inc. — frequently asked questions

What is Clean Harbors, Inc.'s shares outstanding?

Clean Harbors, Inc. (CLH) reported shares outstanding of 52.9M for fiscal year 2025, per its SEC filings.

Where does this data come from?

Figures are computed from Clean Harbors, Inc.'s official SEC filings (balance sheet (10-K), split-adjusted), refreshed nightly. Not investment advice.

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