Common Stock, Shares, Outstanding of AMEREN CORP from 31 Mar 2010 to 31 Dec 2025

Taxonomy & unit
us-gaap: shares
Description
Number of shares of common stock outstanding. Common stock represent the ownership interest in a corporation.
Summary
AMEREN CORP quarterly Common Stock, Shares, Outstanding in shares history and change rate from 31 Mar 2010 to 31 Dec 2025.
  • AMEREN CORP Common Stock, Shares, Outstanding for the quarter ending 31 Dec 2025 was 276,400,000, a 2.4% increase year-over-year.
Source SEC data
View on sec.gov
Common Stock, Shares, Outstanding, Quarterly (shares)
Common Stock, Shares, Outstanding, YoY Quarterly Change (%)

AMEREN CORP Quarterly Common Stock, Shares, Outstanding (shares)

Period Value YoY Chg Change % Date Report Filed Fiscal Year Fiscal Period
Q4 2025 276,400,000 +6,500,000 +2.4% 31 Dec 2025 10-K 18 Feb 2026 2025 FY
Q3 2025 270,500,000 +3,600,000 +1.3% 30 Sep 2025 10-Q 06 Nov 2025 2025 Q3
Q2 2025 270,400,000 +3,600,000 +1.3% 30 Jun 2025 10-Q 06 Nov 2025 2025 Q3
Q1 2025 270,300,000 +3,700,000 +1.4% 31 Mar 2025 10-Q 04 Aug 2025 2025 Q2
Q4 2024 269,900,000 +3,600,000 +1.4% 31 Dec 2024 10-K 18 Feb 2026 2025 FY
Q3 2024 266,900,000 +4,000,000 +1.5% 30 Sep 2024 10-Q 06 Nov 2025 2025 Q3
Q2 2024 266,800,000 +4,100,000 +1.6% 30 Jun 2024 10-Q 06 Nov 2025 2025 Q3
Q1 2024 266,600,000 +4,000,000 +1.5% 31 Mar 2024 10-Q 04 Aug 2025 2025 Q2
Q4 2023 266,300,000 +4,300,000 +1.6% 31 Dec 2023 10-K 18 Feb 2026 2025 FY
Q3 2023 262,900,000 +4,400,000 +1.7% 30 Sep 2023 10-Q 07 Nov 2024 2024 Q3
Q2 2023 262,700,000 +4,300,000 +1.7% 30 Jun 2023 10-Q 07 Nov 2024 2024 Q3
Q1 2023 262,600,000 +4,400,000 +1.7% 31 Mar 2023 10-Q 05 Aug 2024 2024 Q2
Q4 2022 262,000,000 +4,300,000 +1.7% 31 Dec 2022 10-K 18 Feb 2026 2025 FY
Q3 2022 258,500,000 +900,000 +0.35% 30 Sep 2022 10-Q 09 Nov 2023 2023 Q3
Q2 2022 258,400,000 +1,300,000 +0.51% 30 Jun 2022 10-Q 09 Nov 2023 2023 Q3
Q1 2022 258,200,000 +2,700,000 +1.1% 31 Mar 2022 10-Q 03 Aug 2023 2023 Q2
Q4 2021 257,700,000 +4,400,000 +1.7% 31 Dec 2021 10-K 18 Feb 2025 2024 FY
Q3 2021 257,600,000 +10,400,000 +4.2% 30 Sep 2021 10-Q 04 Nov 2022 2022 Q3
Q2 2021 257,100,000 +10,000,000 +4% 30 Jun 2021 10-Q 04 Nov 2022 2022 Q3
Q1 2021 255,500,000 +8,600,000 +3.5% 31 Mar 2021 10-Q 08 Aug 2022 2022 Q2
Q4 2020 253,300,000 +7,100,000 +2.9% 31 Dec 2020 10-K 29 Feb 2024 2023 FY
Q3 2020 247,200,000 +1,200,000 +0.49% 30 Sep 2020 10-Q 04 Nov 2021 2021 Q3
Q2 2020 247,100,000 +1,300,000 +0.53% 30 Jun 2020 10-Q 04 Nov 2021 2021 Q3
Q1 2020 246,900,000 +1,300,000 +0.53% 31 Mar 2020 10-Q 06 Aug 2021 2021 Q2
Q4 2019 246,200,000 +1,700,000 +0.7% 31 Dec 2019 10-K 22 Feb 2023 2022 FY
Q3 2019 246,000,000 +1,800,000 +0.74% 30 Sep 2019 10-Q 05 Nov 2020 2020 Q3
Q2 2019 245,800,000 +1,800,000 +0.74% 30 Jun 2019 10-Q 05 Nov 2020 2020 Q3
Q1 2019 245,600,000 +2,000,000 +0.82% 31 Mar 2019 10-Q 07 Aug 2020 2020 Q2
Q4 2018 244,500,000 +1,900,000 +0.78% 31 Dec 2018 10-K 23 Feb 2022 2021 FY
Q3 2018 244,200,000 +1,600,000 +0.66% 30 Sep 2018 10-Q 08 Nov 2019 2019 Q3
Q2 2018 244,000,000 +1,400,000 +0.58% 30 Jun 2018 10-Q 08 Nov 2019 2019 Q3
Q1 2018 243,600,000 +1,000,000 +0.41% 31 Mar 2018 10-Q 02 Aug 2019 2019 Q2
Q4 2017 242,600,000 0 0% 31 Dec 2017 10-K 22 Feb 2021 2020 FY
Q3 2017 242,600,000 0 0% 30 Sep 2017 10-Q 03 Nov 2017 2017 Q3
Q2 2017 242,600,000 0 0% 30 Jun 2017 10-Q 04 Aug 2017 2017 Q2
Q1 2017 242,600,000 0 0% 31 Mar 2017 10-Q 05 May 2017 2017 Q1
Q4 2016 242,600,000 0 0% 31 Dec 2016 10-K 28 Feb 2020 2019 FY
Q3 2016 242,600,000 0 0% 30 Sep 2016 10-Q 04 Nov 2016 2016 Q3
Q2 2016 242,600,000 0 0% 30 Jun 2016 10-Q 05 Aug 2016 2016 Q2
Q1 2016 242,600,000 0 0% 31 Mar 2016 10-Q 10 May 2016 2016 Q1
Q4 2015 242,600,000 0 0% 31 Dec 2015 10-K 26 Feb 2019 2018 FY
Q3 2015 242,600,000 0 0% 30 Sep 2015 10-Q 06 Nov 2015 2015 Q3
Q2 2015 242,600,000 0 0% 30 Jun 2015 10-Q 06 Aug 2015 2015 Q2
Q1 2015 242,600,000 0 0% 31 Mar 2015 10-Q 11 May 2015 2015 Q1
Q4 2014 242,600,000 0 0% 31 Dec 2014 10-K 28 Feb 2017 2016 FY
Q3 2014 242,600,000 0 0% 30 Sep 2014 10-Q 10 Nov 2014 2014 Q3
Q2 2014 242,600,000 0 0% 30 Jun 2014 10-Q 11 Aug 2014 2014 Q2
Q1 2014 242,600,000 0 0% 31 Mar 2014 10-Q 12 May 2014 2014 Q1
Q4 2013 242,600,000 0 0% 31 Dec 2013 10-K 26 Feb 2016 2015 FY
Q3 2013 242,600,000 0 0% 30 Sep 2013 10-Q 08 Nov 2013 2013 Q3
Q2 2013 242,600,000 0 0% 30 Jun 2013 10-Q 09 Aug 2013 2013 Q2
Q1 2013 242,600,000 0 0% 31 Mar 2013 10-Q 10 May 2013 2013 Q1
Q4 2012 242,600,000 0 0% 31 Dec 2012 10-K 02 Mar 2015 2014 FY
Q3 2012 242,600,000 +400,000 +0.16% 30 Sep 2012 10-Q 09 Nov 2012 2012 Q3
Q2 2012 242,600,000 +1,000,000 +0.41% 30 Jun 2012 10-Q 08 Aug 2012 2012 Q2
Q1 2012 242,600,000 +1,500,000 +0.62% 31 Mar 2012 10-Q 10 May 2012 2012 Q1
Q4 2011 242,600,000 +2,200,000 +0.92% 31 Dec 2011 10-K 03 Mar 2014 2013 FY
Q3 2011 242,200,000 +2,500,000 +1% 30 Sep 2011 10-Q 08 Nov 2011 2011 Q3
Q2 2011 241,600,000 +2,500,000 +1% 30 Jun 2011 10-Q 09 Aug 2011 2011 Q2
Q1 2011 241,100,000 +2,900,000 +1.2% 31 Mar 2011 10-Q 10 May 2011 2011 Q1
Q4 2010 240,400,000 31 Dec 2010 10-K 03 Mar 2014 2013 FY
Q3 2010 239,700,000 30 Sep 2010 10-Q 08 Nov 2010 2010 Q3
Q2 2010 239,100,000 30 Jun 2010 10-Q 09 Aug 2010 2010 Q2
Q1 2010 238,200,000 31 Mar 2010 10-Q 10 May 2010 2010 Q1
* An asterisk sign (*) next to the value indicates that the value is likely invalid.