Shares Outstanding for Ameren (AEE)
According to Ameren's latest reported financial statements, the company's latest reported diluted shares outstanding is 278.40M. Diluted weighted-average shares outstanding is the share count used to compute per-share metrics like EPS. Buybacks lower it; new issuance, stock-based compensation, and convertible securities raise it. Multiply by the stock price for market capitalization.
Headline figure above is from the reporting period ending (reported ). Chart and table below cover the full reported history back to .
AEE
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Latest period
278.40M
YoY change
+1.8%
5Y CAGR
+1.8%
Peak year (2025)
272.20M
Latest annual
272.20M
Shares Outstanding history chart for Ameren (AEE) from 1997 to 2025
Shares Outstanding history table for Ameren (AEE) from 1997 to 2025
| Fiscal year | Period ended | Reported | Shares Outstanding | YoY | YoY change |
|---|---|---|---|---|---|
| 2025 | 272.20M | +1.8% | +4.80M | ||
| 2024 | 267.40M | +1.5% | +4.00M | ||
| 2023 | 263.40M | +1.5% | +3.90M | ||
| 2022 | 259.50M | +0.7% | +1.90M | ||
| 2021 | 257.60M | +3.6% | +8.90M | ||
| 2020 | 248.70M | +0.6% | +1.60M | ||
| 2019 | 247.10M | +0.5% | +1.30M | ||
| 2018 | 245.80M | +0.7% | +1.60M | ||
| 2017 | 244.20M | +0.3% | +800,000 | ||
| 2016 | 243.40M | -0.1% | -200,000 | ||
| 2015 | 243.60M | -0.3% | -800,000 | ||
| 2014 | 244.40M | -0.0% | -100,000 | ||
| 2013 | 244.50M | +0.8% | +1.90M | ||
| 2012 | 242.60M | +0.5% | +1.10M | ||
| 2011 | 241.50M | +1.1% | +2.70M | ||
| 2010 | 238.80M | +8.3% | +18.40M | ||
| 2009 | 220.40M | +4.9% | +10.30M | ||
| 2008 | 210.10M | +1.3% | +2.70M | ||
| 2007 | 207.40M | +0.9% | +1.80M | ||
| 2006 | 205.60M | +2.4% | +4.80M | ||
| 2005 | 200.80M | +7.6% | +14.18M | ||
| 2004 | 186.62M | +15.7% | +25.39M | ||
| 2003 | 161.23M | +10.2% | +14.87M | ||
| 2002 | 146.36M | +6.1% | +8.42M | ||
| 2001 | 137.94M | +0.5% | +675,711 | ||
| 2000 | 137.27M | +0.0% | +50,003 | ||
| 1999 | 137.22M | 0.0% | 0 | ||
| 1998 | 137.22M | +0.0% | +43,331 | ||
| 1997 | 137.17M | — | — |
Shares Outstanding values are taken from Ameren's reported income statements (10-Q quarterly and 10-K annual filings with the U.S. Securities and Exchange Commission). Each row shows the period end date and the date the filing was reported; YoY compares each figure to the same period one year earlier. Amounts are in USD as filed.
Analysis
As of the 2025 fiscal year, Ameren (AEE) reported diluted shares outstanding of 272.20M – edged up 1.8% year-over-year.
Looking at the 2020–2025 (5 years) stretch, Ameren diluted shares outstanding compounded at +1.8% per year, sustaining 9 straight years of year-over-year growth.
Across the available history, diluted shares outstanding reached its high of 272.20M in 2025 and its low of 137.17M in 1997.
Among 8 Utilities peers, Ameren (AEE) ranks 9th; the peer median for diluted shares outstanding is 714.85M.
Ameren Shares Outstanding by Year
Ameren Shares Outstanding 2025: 272.20M
Ameren diluted shares outstanding in 2025 was 272.20M, edged up 1.8% from 2024. This figure represents the highest annual value in the available history.
Ameren Shares Outstanding 2024: 267.40M
Ameren diluted shares outstanding in 2024 was 267.40M, edged up 1.5% from 2023.
Ameren Shares Outstanding 2023: 263.40M
Ameren diluted shares outstanding in 2023 was 263.40M, edged up 1.5% from 2022.
Ameren Shares Outstanding 2022: 259.50M
Ameren diluted shares outstanding in 2022 was 259.50M, edged up 0.7% from 2021.
Ameren Shares Outstanding 2021: 257.60M
Ameren diluted shares outstanding in 2021 was 257.60M.
See more financial history for Ameren (AEE).
Sector peers — Shares Outstanding
Companies in the same sector as Ameren, ranked by their latest diluted shares outstanding.
| Company | Shares Outstanding | Sector |
|---|---|---|
| NextEra Energy (NEE) | 2.09B | Utilities |
| Southern Company (SO) | 1.11B | Utilities |
| Dominion Energy (D) | 855.30M | Utilities |
| Duke Energy (DUK) | 777.00M | Utilities |
| Sempra (SRE) | 652.70M | Utilities |
| American Electric Power Company (AEP) | 520.21M | Utilities |
| Constellation Energy (CEG) | 314.00M | Utilities |
| GE Vernova (GEV) | 276.00M | Utilities |
Frequently asked questions
What is Ameren's diluted shares outstanding?
Latest reported diluted shares outstanding for Ameren (AEE) is 278.40M (period ending March 31, 2026).
How has Ameren diluted shares outstanding changed year-over-year?
Ameren (AEE) diluted shares outstanding changed +1.8% year-over-year on the latest annual filing.
What is the long-term growth rate of Ameren diluted shares outstanding?
Ameren (AEE) diluted shares outstanding compound annual growth rate is +1.8% over the most recent 5 years available.
When did Ameren diluted shares outstanding hit its highest annual value?
Ameren diluted shares outstanding reached its highest annual value of 272.20M in 2025.
What was Ameren diluted shares outstanding in 2024?
Ameren (AEE) diluted shares outstanding in 2024 was 267.40M.
What was Ameren diluted shares outstanding in 2025?
Ameren (AEE) diluted shares outstanding in 2025 was 272.20M.
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