Clean Harbors Shares Outstanding 2012-2025 | CLH

Clean Harbors shares outstanding history from 2012 to 2025. Shares outstanding can be defined as the number of shares held by shareholders (including insiders) assuming conversion of all convertible debt, securities, warrants and options. This metric excludes the company's treasury shares.
  • Clean Harbors shares outstanding for the quarter ending September 30, 2025 were 0.054B, a 0.95% decline year-over-year.
  • Clean Harbors 2024 shares outstanding were 0.054B, a 0.34% decline from 2023.
  • Clean Harbors 2023 shares outstanding were 0.054B, a 0.19% decline from 2022.
  • Clean Harbors 2022 shares outstanding were 0.054B, a 0.5% decline from 2021.
Clean Harbors Annual Shares Outstanding
(Millions of Shares)
2024 54
2023 54
2022 54
2021 55
2020 56
2019 56
2018 56
2017 57
2016 58
2015 58
2014 60
2013 61
2012 54
2011 53
Clean Harbors Quarterly Shares Outstanding
(Millions of Shares)
2025-09-30 54
2025-06-30 54
2025-03-31 54
2024-12-31 54
2024-09-30 54
2024-06-30 54
2024-03-31 54
2023-12-31 54
2023-09-30 54
2023-06-30 54
2023-03-31 54
2022-12-31 54
2022-09-30 54
2022-06-30 55
2022-03-31 55
2021-12-31 55
2021-09-30 55
2021-06-30 55
2021-03-31 55
2020-12-31 56
2020-09-30 56
2020-06-30 56
2020-03-31 56
2019-12-31 56
2019-09-30 56
2019-06-30 56
2019-03-31 56
2018-12-31 56
2018-09-30 56
2018-06-30 57
2018-03-31 56
2017-12-31 57
2017-09-30 57
2017-06-30 57
2017-03-31 57
2016-12-31 58
2016-09-30 57
2016-06-30 58
2016-03-31 58
2015-12-31 58
2015-09-30 58
2015-06-30 59
2015-03-31 59
2014-12-31 60
2014-09-30 60
2014-06-30 61
2014-03-31 61
2013-12-31 61
2013-09-30 61
2013-06-30 61
2013-03-31 61
2012-12-31 54
2012-09-30 54
2012-06-30 54
2012-03-31 53
2011-12-31 53
2011-09-30 53
2011-06-30 53
2011-03-31 53
Sector Industry Market Cap Revenue
Business Services Waste Removal Services $13.657B $5.890B
Clean Harbors, Inc. is a leading provider of environmental, energy and industrial services in North America, wherein it operates the largest number of hazardous waste incinerators, landfills and treatment, storage and disposal facilities. It provides a broad range of services such as end-to-end hazardous waste management, emergency response, industrial cleaning and maintenance, and recycling services. Clean Harbors is also the largest re-refiner and recycler of used oil globally and the leading provider of parts washers and environmental services to commercial, industrial and automotive customers in North America. The company's strategy is to develop and maintain relationships with a diverse group of customers that seek environmental, energy or industrial services.
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