Quick Answer
AMEREN CORP reported Shares Outstanding of 276.40 million shares for fiscal year 2025.
AMEREN CORP Shares Outstanding — Annual History
| Fiscal Year | Shares Outstanding | YoY Change |
|---|---|---|
| 2025 | 276.40M | +2.4% |
| 2024 | 269.90M | +1.4% |
| 2023 | 266.30M | +1.6% |
| 2022 | 262.00M | +1.7% |
| 2021 | 257.70M | +1.7% |
| 2020 | 253.30M | +2.9% |
| 2019 | 246.20M | +0.7% |
| 2018 | 244.50M | +0.8% |
| 2017 | 242.60M | +0.0% |
| 2016 | 242.60M | +0.0% |
| 2015 | 242.60M | +0.0% |
| 2014 | 242.60M | +0.0% |
| 2013 | 242.60M | +0.0% |
| 2012 | 242.60M | +0.0% |
| 2011 | 242.60M | +0.9% |
| 2010 | 240.40M | +1.3% |
| 2009 | 237.40M | +11.8% |
| 2008 | 212.30M | — |
Quarterly Shares Outstanding
| Quarter Ending | Shares Outstanding | YoY | QoQ |
|---|---|---|---|
| September 30, 2025 | 270.50M | +1.3% | +0.0% |
| June 30, 2025 | 270.40M | +1.3% | +0.0% |
| March 31, 2025 | 270.30M | +1.4% | +0.1% |
| December 31, 2024 | 269.90M | +1.4% | +1.1% |
| September 30, 2024 | 266.90M | +1.5% | +0.0% |
| June 30, 2024 | 266.80M | +1.6% | +0.1% |
| March 31, 2024 | 266.60M | +1.5% | +0.1% |
| December 31, 2023 | 266.30M | +1.6% | +1.3% |
- AMEREN CORP showed an increase of +2.4% in Shares Outstanding compared to the prior fiscal year.
- Over the 2008–2025 period, AMEREN CORP’s shares outstanding has grown by 30.2% (from 212.30 million shares to 276.40 million shares).
- The most recent figure is from AMEREN CORP’s fiscal year 2025 report (Form 10-K), filed with the SEC on February 18, 2026.
- All figures are sourced from SEC EDGAR XBRL filings, last verified June 17, 2026.
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