Clean Harbors Inc (CLH): Weighted Average Diluted Shares

Annual figures by period end, from SEC filings.

Stock splits: 2-for-1, first reflected in a filing dated 2011-08-09. Figures are as filed: per-share figures and share counts last reported before a split are on the old share basis, so changes and growth rates across a split are not shown. Splits are read from the filings' own restatements, so a share conversion in a merger or reorganization shows up the same way.

53.72M

Year ended 2025-12-31

-0.5%

3-year compound annual growth

-0.7%

5-year compound annual growth

-0.8%

10-year compound annual growth

2008-12-31 Weighted Average Diluted Shares (shares) 2025-12-31

Paler bars were last filed before a stock split, on the old share basis.

Period ended	Weighted Average Diluted Shares	Change YoY	Source filing
2025-12-31	53.72M	-0.9%	2026-02-18, From 2025-01-01
2024-12-31	54.20M	-0.3%	2026-02-18, From 2024-01-01
2023-12-31	54.38M	-0.2%	2026-02-18, From 2023-01-01
2022-12-31	54.49M	-0.5%	2025-02-19, From 2022-01-01
2021-12-31	54.76M	-1.7%	2024-02-21, From 2021-01-01
2020-12-31	55.69M	-0.8%	2023-03-01, From 2020-01-01
2019-12-31	56.13M	-0.4%	2022-02-23, From 2019-01-01
2018-12-31	56.34M	-1.5%	2021-02-24, From 2018-01-01
2017-12-31	57.20M	-0.6%	2020-02-26, From 2017-01-01
2016-12-31	57.53M	-1.5%	2019-02-27, From 2016-01-01
2015-12-31	58.43M	-3.1%	2018-02-28, From 2015-01-01
2014-12-31	60.31M	-0.7%	2017-02-22, From 2014-01-01
2013-12-31	60.73M	+12.3%	2016-02-25, From 2013-01-01
2012-12-31	54.08M	+1.4%	2015-03-02, From 2012-01-01
2011-12-31	53.32M	+0.7%	2014-03-03, From 2011-01-01
2010-12-31	52.93M	+6.1%	2013-03-06, From 2010-01-01
2009-12-31	49.87M	n/c	2012-02-29, From 2009-01-01
2008-12-31	22.87M	n/a	2011-03-01, From 2008-01-01