Latest period
$30.6B
YoY change
+12.6%
5Y CAGR
+6.0%
Peak year (2026)
$30.6B
Latest annual
$30.6B
Market Cap history chart for Ameren (AEE) from 2017 to 2026
Latest: $30.6B
Market Cap growth chart for Ameren (AEE) from 2017 to 2026
Latest: +12.6%
Market Cap history table for Ameren (AEE) from 1997 to 2026
| 2026 | $30.6B | +12.6% | +$3.43B | ||
| 2025 | $27.2B | +14.0% | +$3.35B | ||
| 2024 | $23.8B | +25.1% | +$4.78B | ||
| 2023 | $19.1B | -17.4% | -$4.02B | ||
| 2022 | $23.1B | +0.6% | +$146M | ||
| 2021 | $22.9B | +18.1% | +$3.52B | ||
| 2020 | $19.4B | +2.3% | +$436M | ||
| 2019 | $19B | +18.4% | +$2.94B | ||
| 2018 | $16B | +11.3% | +$1.63B | ||
| 2017 | $14.4B | +12.8% | +$1.64B | ||
| 2016 | $12.8B | +21.3% | +$2.24B | ||
| 2015 | $10.5B | -6.6% | -$743M | ||
| 2014 | $11.3B | +27.5% | +$2.43B | ||
| 2013 | $8.84B | +18.6% | +$1.39B | ||
| 2012 | $7.45B | -6.9% | -$548M | ||
| 2011 | $8B | +18.9% | +$1.27B | ||
| 2010 | $6.73B | +9.3% | +$572M | ||
| 2009 | $6.16B | -11.8% | -$828M | ||
| 2008 | $6.99B | -37.8% | -$4.26B | ||
| 2007 | $11.2B | +1.8% | +$196M | ||
| 2006 | $11B | +7.4% | +$758M | ||
| 2005 | $10.3B | +10.0% | +$932M | ||
| 2004 | $9.36B | +26.2% | +$1.94B | ||
| 2003 | $7.42B | +21.9% | +$1.33B | ||
| 2002 | $6.08B | +4.3% | +$249M | ||
| 2001 | $5.83B | -8.2% | -$522M | ||
| 2000 | $6.36B | +41.5% | +$1.86B | ||
| 1999 | $4.49B | -23.3% | -$1.36B | ||
| 1998 | $5.86B | -1.3% | -$75M | ||
| 1997 | $5.93B | — | — |
- 2026$30.6B+12.6%
- 2025$27.2B+14.0%
- 2024$23.8B+25.1%
- 2023$19.1B-17.4%
- 2022$23.1B+0.6%
- 2021$22.9B+18.1%
- 2020$19.4B+2.3%
- 2019$19B+18.4%
- 2018$16B+11.3%
- 2017$14.4B+12.8%
- 2016$12.8B+21.3%
- 2015$10.5B-6.6%
- 2014$11.3B+27.5%
- 2013$8.84B+18.6%
- 2012$7.45B-6.9%
- 2011$8B+18.9%
- 2010$6.73B+9.3%
- 2009$6.16B-11.8%
- 2008$6.99B-37.8%
- 2007$11.2B+1.8%
- 2006$11B+7.4%
- 2005$10.3B+10.0%
- 2004$9.36B+26.2%
- 2003$7.42B+21.9%
- 2002$6.08B+4.3%
- 2001$5.83B-8.2%
- 2000$6.36B+41.5%
- 1999$4.49B-23.3%
- 1998$5.86B-1.3%
- 1997$5.93B—
Market Cap values are taken from Ameren's reported income statements (share counts) and end-of-day prices (quarterly 10-Q and annual 10-K filings with the U.S. Securities and Exchange Commission). Each row shows the period end date and the filing date. YoY compares each figure to the same period one year earlier. Amounts are in USD as filed.
About Market Cap at Ameren (AEE)
According to Ameren's latest reported financial statements, the company's latest reported market cap is $30.6B. Market capitalization is the total dollar value of all outstanding shares — shares outstanding × stock price — and the standard measure of a company's equity value. On this page, historical market cap snaps filing-period share counts to closing prices on or before each statement date (not intraday tick data).
Headline figure above is from the reporting period ending (reported ). Chart and table below cover the full reported history back to .
The 2026 reading of Ameren (AEE) market cap is $30.6B – grew 12.6% year-over-year.
Looking at the 2021–2026 (5 years) stretch, Ameren market cap compounded at +6.0% per year, sustaining 3 straight years of year-over-year growth.
The record annual market cap stands at $30.6B, reached in 2026; the historical low of $4.49B was recorded in 1999.
Ameren Market Cap by Year
Ameren Market Cap 2026: $30.6B
In 2026, Ameren reported market cap of $30.6B, grew 12.6% from 2025. This figure represents the highest annual value in the available history.
Ameren Market Cap 2025: $27.2B
Ameren market cap in 2025 was $27.2B, grew 14.0% from 2024.
Ameren Market Cap 2024: $23.8B
2024's market cap for Ameren came in at $23.8B, grew 25.1% from 2023.
Ameren Market Cap 2023: $19.1B
Ameren posted market cap of $19.1B in 2023, declined 17.4% below 2022.
Ameren Market Cap 2022: $23.1B
Ameren market cap in 2022 was $23.1B.
See more financial history for Ameren (AEE).
Sector peers by Market Cap
Utilities peers of Ameren (AEE), ranked by their latest market cap
| $240B | |
| $184B | |
| $108B | |
| $101B | |
| $92.6B | |
| $70.4B | |
| $62B | |
| $58.1B |
- $240B
- $184B
- $101B
- $58.1B
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Ameren (AEE) Key Financials
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