Weighted Average Number of Shares Outstanding, Diluted of CENTURY ALUMINUM CO from 31 Dec 2010 to 31 Dec 2025

Taxonomy & unit
us-gaap: shares
Description
The average number of shares or units issued and outstanding that are used in calculating diluted EPS or earnings per unit (EPU), determined based on the timing of issuance of shares or units in the period.
Summary
CENTURY ALUMINUM CO quarterly and annual Weighted Average Number of Shares Outstanding, Diluted in shares history and change rate from 31 Dec 2010 to 31 Dec 2025.
  • CENTURY ALUMINUM CO Weighted Average Number of Shares Outstanding, Diluted for the quarter ending 31 Dec 2025 was 95,300,000, a 3.2% decline year-over-year.
  • CENTURY ALUMINUM CO annual Weighted Average Number of Shares Outstanding, Diluted for 2025 was 95,300,000, a 3.2% decline from 2024.
  • CENTURY ALUMINUM CO annual Weighted Average Number of Shares Outstanding, Diluted for 2024 was 98,400,000, a 6.5% increase from 2023.
  • CENTURY ALUMINUM CO annual Weighted Average Number of Shares Outstanding, Diluted for 2023 was 92,400,000, a 1.1% increase from 2022.
Source SEC data
View on sec.gov
Weighted Average Number of Shares Outstanding, Diluted, Quarterly (shares)
Weighted Average Number of Shares Outstanding, Diluted, YoY Quarterly Change (%)
Weighted Average Number of Shares Outstanding, Diluted, Annual (shares)
Weighted Average Number of Shares Outstanding, Diluted, YoY Annual Change (%)

CENTURY ALUMINUM CO Quarterly Weighted Average Number of Shares Outstanding, Diluted (shares)

Period TTM Value Value YoY Chg Change % Start Date End Date Report Filed Fiscal Year Fiscal Period
Q4 2025 95,300,000 -3,100,000 -3.2% 01 Oct 2025 31 Dec 2025 10-K 03 Mar 2026 2025 FY
Q3 2025 99,200,000 +800,000 +0.81% 01 Jul 2025 30 Sep 2025 10-Q 06 Nov 2025 2025 Q3
Q2 2025 93,300,000 +600,000 +0.65% 01 Apr 2025 30 Jun 2025 10-Q 07 Aug 2025 2025 Q2
Q1 2025 99,200,000 +500,000 +0.51% 01 Jan 2025 31 Mar 2025 10-Q 08 May 2025 2025 Q1
Q4 2024 98,400,000 +6,000,000 +6.5% 01 Oct 2024 31 Dec 2024 10-K 03 Mar 2026 2025 FY
Q3 2024 98,400,000 +6,000,000 +6.5% 01 Jul 2024 30 Sep 2024 10-Q 06 Nov 2025 2025 Q3
Q2 2024 92,700,000 -500,000 -0.54% 01 Apr 2024 30 Jun 2024 10-Q 07 Aug 2025 2025 Q2
Q1 2024 98,700,000 +6,400,000 +6.9% 01 Jan 2024 31 Mar 2024 10-Q 08 May 2025 2025 Q1
Q4 2023 92,400,000 +1,000,000 +1.1% 01 Oct 2023 31 Dec 2023 10-K 03 Mar 2026 2025 FY
Q3 2023 92,400,000 -4,900,000 -5% 01 Jul 2023 30 Sep 2023 10-Q 08 Nov 2023 2023 Q3
Q2 2023 93,200,000 -4,400,000 -4.5% 01 Apr 2023 30 Jun 2023 10-Q 08 Aug 2024 2024 Q2
Q1 2023 92,300,000 -4,800,000 -4.9% 01 Jan 2023 31 Mar 2023 10-Q 01 May 2024 2024 Q1
Q4 2022 91,400,000 +1,200,000 +1.3% 01 Oct 2022 31 Dec 2022 10-K 03 Mar 2025 2024 FY
Q3 2022 97,300,000 +7,200,000 +8% 01 Jul 2022 30 Sep 2022 10-Q 08 Nov 2023 2023 Q3
Q2 2022 97,600,000 +7,500,000 +8.3% 01 Apr 2022 30 Jun 2022 10-Q 09 Aug 2023 2023 Q2
Q1 2022 97,100,000 +7,000,000 +7.8% 01 Jan 2022 31 Mar 2022 10-Q 09 May 2023 2023 Q1
Q4 2021 90,200,000 01 Oct 2021 31 Dec 2021 10-K 15 Mar 2024 2023 FY
Q3 2021 90,100,000 +600,000 +0.67% 01 Jul 2021 30 Sep 2021 10-Q 07 Nov 2022 2022 Q3
Q2 2021 90,100,000 +600,000 +0.67% 01 Apr 2021 30 Jun 2021 10-Q 09 Aug 2022 2022 Q2
Q1 2021 90,100,000 01 Jan 2021 31 Mar 2021 10-Q 02 May 2022 2022 Q1
Q3 2020 89,500,000 01 Jul 2020 30 Sep 2020 10-Q 05 Nov 2021 2021 Q3
Q2 2020 89,500,000 +700,000 +0.79% 01 Apr 2020 30 Jun 2020 10-Q 05 Aug 2021 2021 Q2
Q2 2019 88,800,000 +400,000 +0.45% 01 Apr 2019 30 Jun 2019 10-Q 08 Aug 2019 2019 Q2
Q3 2018 87,600,000 -700,000 -0.79% 01 Jul 2018 30 Sep 2018 10-Q 02 Nov 2018 2018 Q3
Q2 2018 88,400,000 +300,000 +0.34% 01 Apr 2018 30 Jun 2018 10-Q 08 Aug 2019 2019 Q2
Q1 2018 87,600,000 +300,000 +0.34% 01 Jan 2018 31 Mar 2018 10-Q 04 May 2018 2018 Q1
Q4 2017 88,000,000 01 Oct 2017 31 Dec 2017 10-K 28 Feb 2019 2018 FY
Q3 2017 88,300,000 +1,224,000 +1.4% 01 Jul 2017 30 Sep 2017 10-Q 02 Nov 2018 2018 Q3
Q2 2017 88,100,000 +1,040,000 +1.2% 01 Apr 2017 30 Jun 2017 10-Q 08 Aug 2018 2018 Q2
Q1 2017 87,300,000 +260,000 +0.3% 01 Jan 2017 31 Mar 2017 10-Q 04 May 2018 2018 Q1
Q3 2016 87,076,000 +169,000 +0.19% 01 Jul 2016 30 Sep 2016 10-Q 08 Nov 2017 2017 Q3
Q2 2016 87,060,000 +187,000 +0.22% 01 Apr 2016 30 Jun 2016 10-Q 09 Aug 2017 2017 Q2
Q1 2016 87,040,000 -2,329,000 -2.6% 01 Jan 2016 31 Mar 2016 10-Q 06 May 2016 2016 Q1
Q3 2015 86,907,000 -2,625,000 -2.9% 01 Jul 2015 30 Sep 2015 10-Q 04 Nov 2015 2015 Q3
Q2 2015 86,873,000 -2,479,000 -2.8% 01 Apr 2015 30 Jun 2015 10-Q 05 Aug 2016 2016 Q2
Q1 2015 89,369,000 +652,000 +0.74% 01 Jan 2015 31 Mar 2015 10-Q 06 May 2016 2016 Q1
Q4 2014 89,428,000 01 Oct 2014 31 Dec 2014 8-K 28 Jul 2017
Q3 2014 89,532,000 +921,000 +1% 01 Jul 2014 30 Sep 2014 10-Q 04 Nov 2015 2015 Q3
Q2 2014 89,352,000 +755,000 +0.85% 01 Apr 2014 30 Jun 2014 10-Q 07 Aug 2015 2015 Q2
Q1 2014 88,717,000 -303,000 -0.34% 01 Jan 2014 31 Mar 2014 10-Q 01 May 2015 2015 Q1
Q3 2013 88,611,000 +143,000 +0.16% 01 Jul 2013 30 Sep 2013 10-Q 05 Nov 2014 2014 Q3
Q2 2013 88,597,000 +145,000 +0.16% 01 Apr 2013 30 Jun 2013 10-Q 08 Aug 2014 2014 Q2
Q1 2013 89,020,000 +293,000 +0.33% 01 Jan 2013 31 Mar 2013 10-Q 09 May 2014 2014 Q1
Q3 2012 88,468,000 -3,564,000 -3.9% 01 Jul 2012 30 Sep 2012 10-Q 08 Nov 2013 2013 Q3
Q2 2012 88,452,000 -5,115,000 -5.5% 01 Apr 2012 30 Jun 2012 10-Q 09 Aug 2013 2013 Q2
Q1 2012 88,727,000 -4,570,000 -4.9% 01 Jan 2012 31 Mar 2012 10-Q 10 May 2013 2013 Q1
Q4 2011 92,257,000 01 Oct 2011 31 Dec 2011 10-K 14 Mar 2014 2013 FY
Q3 2011 92,032,000 01 Jul 2011 30 Sep 2011 10-Q 09 Nov 2012 2012 Q3
Q2 2011 93,567,000 01 Apr 2011 30 Jun 2011 10-Q 09 Aug 2012 2012 Q2
Q1 2011 93,297,000 01 Jan 2011 31 Mar 2011 10-Q 10 May 2012 2012 Q1

CENTURY ALUMINUM CO Annual Weighted Average Number of Shares Outstanding, Diluted (shares)

Period Value YoY Chg Change % Start Date End Date Report Filed Fiscal Year Fiscal Period
2025 95,300,000 -3,100,000 -3.2% 01 Jan 2025 31 Dec 2025 10-K 03 Mar 2026 2025 FY
2024 98,400,000 +6,000,000 +6.5% 01 Jan 2024 31 Dec 2024 10-K 03 Mar 2026 2025 FY
2023 92,400,000 +1,000,000 +1.1% 01 Jan 2023 31 Dec 2023 10-K 03 Mar 2026 2025 FY
2022 91,400,000 +1,200,000 +1.3% 01 Jan 2022 31 Dec 2022 10-K 03 Mar 2025 2024 FY
2021 90,200,000 +700,000 +0.78% 01 Jan 2021 31 Dec 2021 10-K 15 Mar 2024 2023 FY
2020 89,500,000 +700,000 +0.79% 01 Jan 2020 31 Dec 2020 10-K 27 Feb 2023 2022 FY
2019 88,800,000 01 Jan 2019 31 Dec 2019 10-K 25 Feb 2022 2021 FY
2017 88,000,000 01 Jan 2017 31 Dec 2017 10-K 28 Feb 2019 2018 FY
2014 89,428,000 01 Jan 2014 31 Dec 2014 8-K 28 Jul 2017
2011 92,257,000 -1,045,000 -1.1% 01 Jan 2011 31 Dec 2011 10-K 14 Mar 2014 2013 FY
2010 93,302,000 01 Jan 2010 31 Dec 2010 10-K 29 Feb 2012 2011 FY
* An asterisk sign (*) next to the value indicates that the value is likely invalid.