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Ameren Corporation (AEE)
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The market capitalization for Ameren Corporation (AEE) is $30.14 Billion, making it a Large Cap company. Market cap is calculated by multiplying the current stock price by the total number of shares outstanding.

Market Capitalization

$30.14B

$30.14 Billion

Calculation

Stock Price
$108.92
Shares Outstanding
276.75M
Market Cap
$30.14B

Market Cap = Price × Shares Outstanding

Size Classification

Large Cap

$10B - $1T

Companies with market capitalization between $10 billion and $1 trillion.

Market Cap Size Scale

Micro Cap

<$250M

Small Cap

$250M-$2B

Mid Cap

$2B-$10B

Large Cap

$10B-$1T

Mega Cap

>$1T

AEE Market Cap: $30.14 Billion

Related Valuation Metrics

Key Statistics

Market Cap$30.14 Billion
Stock Price$108.92
Shares Outstanding276.75M
Size CategoryLarge Cap
P/E Ratio19.59
P/B Ratio2.24
Data as of Wednesday, June 17, 2026

About Ameren Corporation

Operating across the United States, Ameren Corporation functions as a utility holding company. The enterprise organizes its operations into four primary divisions: Ameren Missouri, Ameren Illinois Electric Distribution, Ameren Illinois Natural Gas, and Ameren Transmission. Its fundamental business involves the rate-regulated production, transmission, and supply of electricity, in addition to the rate-regulated distribution and transmission of natural gas. Ameren generates power using a variety of sources, including coal, nuclear energy, and natural gas, supplemented by renewable alternatives such as hydroelectric, wind, methane gas, and solar. Its customer base encompasses residential homes, commercial businesses, and industrial operations. Established in 1881, Ameren Corporation is headquartered in St. Louis, Missouri.

Saint Louis, MO
8,981 employees
Utilities / Regulated Electric
Sector
Utilities
Industry
Regulated Electric
CEO
Martin J. Lyons Jr.