TickerFacts.

Kaiser Aluminum Corp (KALU): Shares Outstanding

Annual figures by period end, from SEC filings.

16.21M
As of 2025-12-31
16.35M
As of 2026-09-30
+0.6%
3-year compound annual growth
+0.5%
5-year compound annual growth
-1.1%
10-year compound annual growth
20.28M2009-12-31: 20.28M2010-12-31: 19.21M2011-12-31: 19.25M2012-12-31: 19.31M2013-12-31: 18.15M2014-12-31: 17.61M2015-12-31: 18.05M2016-12-31: 17.65M2017-12-31: 16.77M2018-12-31: 16.23M2019-12-31: 15.87M2020-12-31: 15.81M2021-12-31: 15.87M2022-12-31: 15.94M2023-12-31: 16.02M2024-12-31: 16.10M2025-12-31: 16.21M16.21M
2009-12-31 Shares Outstanding (shares) 2025-12-31
Period endedShares OutstandingChange YoYSource filing
2025-12-3116.21M+0.7%2026-02-19, Balance as of period end
2024-12-3116.10M+0.5%2026-02-19, Balance as of period end
2023-12-3116.02M+0.5%2025-02-20, Balance as of period end
2022-12-3115.94M+0.5%2024-02-23, Balance as of period end
2021-12-3115.87M+0.3%2023-02-24, Balance as of period end
2020-12-3115.81M-0.4%2022-03-01, Balance as of period end
2019-12-3115.87M-2.3%2021-02-26, Balance as of period end
2018-12-3116.23M-3.2%2020-02-25, Balance as of period end
2017-12-3116.77M-5.0%2019-02-22, Balance as of period end
2016-12-3117.65M-2.2%2018-02-23, Balance as of period end
2015-12-3118.05M+2.5%2017-02-22, Balance as of period end
2014-12-3117.61M-3.0%2016-02-22, Balance as of period end
2013-12-3118.15M-6.0%2015-02-20, Balance as of period end
2012-12-3119.31M+0.3%2014-02-18, Balance as of period end
2011-12-3119.25M+0.2%2013-02-21, Balance as of period end
2010-12-3119.21M-5.2%2012-02-29, Balance as of period end
2009-12-3120.28Mn/a2011-02-22, Balance as of period end