Ameren Corporation (AEE)

Ameren Market Cap

Ameren has a market cap or net worth of $26.82 billion as of December 8, 2025. Its market cap has increased by 9.08% in one year.

• Market Cap: 26.82B
• Enterprise Value: 46.84B
• 1-Year Change: 9.08%
• Ranking: #478
• Category: Large-Cap
• Stock Price: $99.16

Market Cap Chart

Since December 1, 1998, Ameren's market cap has increased from $5.65B to $26.82B, an increase of 374.57%. That is a compound annual growth rate of 5.93%.

Market Cap History

Date	Market Cap	% Change
Dec 5, 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%
Dec 31, 2001	5.82B	-8.39%

View and export this data all the way back to 1998. Sign Up Today.

Related Stocks

Company	Market Cap
NextEra Energy	173.13B
Constellation Energy	112.37B
The Southern Company	95.00B
Duke Energy	90.61B
National Grid	75.00B
American Electric Power Company	62.78B
Sempra	59.17B
Vistra	56.64B