Market Cap

Ameren Corporation Market Capitalization:

$26.03 Billion

USD as of July 1, 2025

business Ameren Corporation Company Profile

Ameren Corporation Main Stock Listing

NYSE: AEE

Market Capitalization History of Ameren Corporation

Market capitalizations are calculated from the opening stock price at the beginning of each month.

Top Competitors by Market Capitalization

Industry: Utilities—Regulated Electric
Company Market Cap (USD)
NextEra Energy $150.32 B
The Southern Company $100.28 B
Duke Energy Corporation $90.99 B
American Electric Power Company, Inc. $55.16 B
Xcel Energy Inc. $38.97 B
Sector: Utilities
Company Market Cap (USD)
NextEra Energy $150.32 B
Iberdrola, SA $120.04 B
China Yangtze Power Co. Ltd $103.31 B
The Southern Company $100.28 B
Enel SpA $98.84 B

Yearly evolution of Ameren Corporation market cap

Date Market Cap YoY Change
Jan. 1, 2025 $24.91 B 28.16%
Jan. 1, 2024 $19.43 B -15.05%
Jan. 1, 2023 $22.88 B 0.86%
Jan. 1, 2022 $22.68 B 22.03%
Jan. 1, 2021 $18.59 B -11.37%
Jan. 1, 2020 $20.97 B 18.33%
Jan. 1, 2019 $17.72 B 22.44%
Jan. 1, 2018 $14.47 B 7.56%
Jan. 1, 2017 $13.46 B 17.21%
Jan. 1, 2016 $11.48 B -0.80%
Jan. 1, 2015 $11.57 B 19.66%
Jan. 1, 2014 $9.67 B 16.65%
Jan. 1, 2013 $8.29 B 2.53%
Jan. 1, 2012 $8.09 B 11.53%
Jan. 1, 2011 $7.25 B 11.04%
Jan. 1, 2010 $6.53 B -23.16%
Jan. 1, 2009 $8.50 B -25.68%
Jan. 1, 2008 $11.44 B -15.76%
Jan. 1, 2007 $13.58 B 4.63%
Jan. 1, 2006 $12.97 B 1.28%
Jan. 1, 2005 $12.81 B 3.79%
Jan. 1, 2004 $12.34 B 22.78%
Jan. 1, 2003 $10.05 B -8.26%
Jan. 1, 2002 $10.96 B 5.13%
Jan. 1, 2001 $10.42 B

Market capitalization is calculated from the opening stock price at the beginning of each year.

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Ameren Corporation Categories

United States languages Utilities languages Utilities—Regulated Electric
United States Utilities United States Utilities—Regulated Electric

Stocks & Indices

Ameren Corporation has the following listings and related stock indices.


Stock: NYSE: AEE

Stock: Bovespa: A1EE34

Stock: FSX: AE4

What is a company's market capitalization?

The market capitalization of a company, more simply referred to as "market cap", is the total market value of a publicly traded company's outstanding shares. It is often considered as a key indicator of what a company is worth.