Ameren Corp (NYSE:AEE) — Market Cap & Net Worth

$30.51 Billion USD  · Rank #866

Market Cap & Net Worth: Ameren Corp (AEE)

Ameren Corp (NYSE:AEE) has a market capitalization of $30.51 Billion ($30.51 Billion) as of May 2, 2026. Listed on the NYSE stock exchange, this USA-based company holds position #866 globally and #370 in its home market, demonstrating a 4.04% increase in market value over the past year.

Market capitalization, also known as net worth in stock markets, is calculated by multiplying Ameren Corp's stock price $113.65 by its total outstanding shares 276424515 (276.42 Million). Review debt load of Ameren Corp to assess the company's total debt and financial obligations.

Ameren Corp Market Cap History: 2015 to 2026

Ameren Corp's market capitalization history from 2015 to 2026. Data shows growth from $9.23 Billion to $31.39 Billion (12.17% CAGR).

Index Memberships

Ameren Corp is a constituent of 1 market index:

Index Total Market Cap Weight (%) Rank by Market Cap
S&P 500 Index
GSPC
$59.59 Trillion 0.06% #278 of 503

Weight: Ameren Corp's market cap as a percentage of total index value. Rank: Position among all constituents by market cap.

Ameren Corp Market Cap to Earnings & Revenue Ratios Timeline

This chart shows how Ameren Corp's valuation ratios have evolved. The Price to Sales (P/S) ratio compares market cap to revenue, while the Price to Earnings (P/E) ratio compares market cap to net income. Lower values may indicate a more undervalued company relative to its financial performance.

Latest Price to Sales (P/S) Ratio

3.14x

Ameren Corp's market cap is 3.14 times its annual revenue

Industry average: 0.52x Higher than industry average

Latest Price to Earnings (P/E) Ratio

18.96x

Ameren Corp's market cap is 18.96 times its annual earnings

Industry average: 4.50x Higher than industry average

What These Ratios Tell Investors:

  • Price to Sales (P/S) Ratio: Shows how much investors are paying for each dollar of the company's sales. Lower P/S ratios may indicate undervaluation.
  • Price to Earnings (P/E) Ratio: Shows how much investors are paying for each dollar of the company's earnings. This is one of the most common valuation metrics.
  • Trends in these ratios over time can indicate changing investor sentiment about the company's future growth prospects.
  • Industry comparison provides context for whether the company is valued higher or lower than peers.
Year Market Cap (USD) Revenue (USD) Net Income (USD) P/S Ratio P/E Ratio
2016 $11.61 Billion $6.08 Billion $653.00 Million 1.91x 17.77x
2017 $13.45 Billion $6.17 Billion $523.00 Million 2.18x 25.72x
2018 $15.34 Billion $6.29 Billion $815.00 Million 2.44x 18.82x
2019 $18.53 Billion $5.91 Billion $828.00 Million 3.14x 22.38x
2020 $19.32 Billion $5.79 Billion $871.00 Million 3.33x 22.18x
2021 $22.62 Billion $6.39 Billion $990.00 Million 3.54x 22.85x
2022 $23.20 Billion $7.96 Billion $1.07 Billion 2.92x 21.60x
2023 $19.47 Billion $7.50 Billion $1.15 Billion 2.60x 16.90x
2024 $24.64 Billion $7.62 Billion $1.18 Billion 3.23x 20.85x
2025 $27.60 Billion $8.80 Billion $1.46 Billion 3.14x 18.96x

Competitor Companies of AEE by Market Capitalization

Companies near Ameren Corp in the global market cap rankings as of May 2, 2026.

Key companies related to Ameren Corp by market ranking:

  • Nextera Energy Inc (NYSE:NEE): Ranked #108 globally with a market cap of $195.35 Billion USD.
  • Duke Energy Corporation (NYSE:DUK): Ranked #243 globally with a market cap of $100.82 Billion USD.
  • Southern Company (NYSE:SO): Ranked #251 globally with a market cap of $97.89 Billion USD.
  • National Grid PLC ADR (NYSE:NGG): Ranked #299 globally with a market cap of $86.46 Billion USD.
Market capitalization comparison (in billions USD)
Rank Company Symbol Market Cap Price
#108 Nextera Energy Inc NYSE:NEE $195.35 Billion $96.95
#243 Duke Energy Corporation NYSE:DUK $100.82 Billion $129.55
#251 Southern Company NYSE:SO $97.89 Billion $96.70
#299 National Grid PLC ADR NYSE:NGG $86.46 Billion $86.96

Ameren Corp Historical Marketcap From 2015 to 2026

Between 2015 and today, Ameren Corp's market cap moved from $9.23 Billion to $ 31.39 Billion, with a yearly change of 12.17%.

Year Market Cap Change (%)
2026 $31.39 Billion +13.72%
2025 $27.60 Billion +12.03%
2024 $24.64 Billion +26.53%
2023 $19.47 Billion -16.07%
2022 $23.20 Billion +2.55%
2021 $22.62 Billion +17.11%
2020 $19.32 Billion +4.27%
2019 $18.53 Billion +20.82%
2018 $15.34 Billion +13.99%
2017 $13.45 Billion +15.93%
2016 $11.61 Billion +25.68%
2015 $9.23 Billion --

End of Day Market Cap According to Different Sources

On May 1st, 2026 the market cap of Ameren Corp was reported to be:

Source Market Cap
Yahoo Finance $30.51 Billion USD
MoneyControl $30.51 Billion USD
MarketWatch $30.51 Billion USD
marketcap.company $30.51 Billion USD
Reuters $30.51 Billion USD

Market cap values may vary slightly between sources due to differences in calculation methods, timing, and data refresh rates.

About Ameren Corp

NYSE:AEE USA Utilities - Regulated Electric
Market Cap
$31.42 Billion
Market Cap Rank
#866 Global
#370 in USA
Share Price
$113.65
Change (1 day)
+2.12%
52-Week Range
$94.32 - $114.32
All Time High
$114.32
About

Ameren Corporation, together with its subsidiaries, operates as a public utility holding company in the United States. The company operates through four segments: Ameren Missouri, Ameren Illinois Electric Distribution, Ameren Illinois Natural Gas, and Ameren Transmission. It engages in the rate-regulated electric generation, transmission, and distribution business and natural gas transmission and… Read more