Ameren Corporation (AEE)

Ameren Market Cap

Ameren has a market cap or net worth of $29.92 billion as of October 26, 2026. It is the 826th most valuable company in the world and the 358th biggest in the United States. Its market cap has increased by 6.11% in one year.

• Market Cap: 29.92B
• Enterprise Value: 51.72B
• 1-Year Change: 6.11%
• Global Rank: #826
• Country Rank: #358 United States
• Category: Large-Cap

Market Cap Chart

Chart

Since December 1, 1998, Ameren's market cap has increased from $5.65B to $29.92B, an increase of 429.40%. That is a compound annual growth rate of 6.15%.

Market Cap History

Date	Market Cap	% Change
Oct 26, 2026	29.92B	10.77%
Dec 31, 2025	27.01B	13.52%
Dec 31, 2024	23.79B	25.09%
Dec 29, 2023	19.02B	-17.25%
Dec 30, 2022	22.99B	0.25%
Dec 31, 2021	22.93B	18.82%
Dec 31, 2020	19.30B	2.13%
Dec 31, 2019	18.90B	18.57%
Dec 31, 2018	15.94B	11.34%
Dec 29, 2017	14.31B	12.45%
Dec 30, 2016	12.73B	21.35%
Dec 31, 2015	10.49B	-6.29%
Dec 31, 2014	11.19B	27.57%
Dec 31, 2013	8.77B	17.71%
Dec 31, 2012	7.45B	-7.12%
Dec 30, 2011	8.03B	18.70%
Dec 31, 2010	6.76B	2.10%
Dec 31, 2009	6.62B	-5.84%
Dec 31, 2008	7.03B	-37.63%
Dec 31, 2007	11.28B	1.75%
Dec 29, 2006	11.08B	5.88%
Dec 30, 2005	10.47B	7.17%
Dec 31, 2004	9.77B	30.74%
Dec 31, 2003	7.47B	16.99%
Dec 31, 2002	6.39B	9.69%

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Data Source: Nasdaq Data Link Last updated: Oct 23, 2026

Market cap data is provided by Nasdaq Data Link. The current market cap updates continuously throughout the trading day, while the historical market cap is updated daily after market close.

Update frequency:

Daily

Last checked:

Oct 26, 2026

Data Sources Report a data error

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