Ameren Corp Market Cap ($30.13 Billion)
Market Cap & Net Worth: Ameren Corp (AEE)
Ameren Corp market cap. Ameren Corp (NYSE:AEE) has a market capitalization of $30.13 Billion ($30.13 Billion) as of October 31, 2026. Listed on the NYSE stock exchange, this USA-based company holds position #883 globally and #393 in its home market, demonstrating a 3.50% 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 $110.21 by its total outstanding shares 276843251 (276.84 Million).
Ameren Corp Market Cap History (2015–2026)
Ameren Corp market cap history from 2015 to 2026. Data shows growth from $9.25 Billion to $30.51 Billion (11.28% CAGR). Check AEE stock price and chart for real-time trading data and today's change.
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
|
$62.23 Trillion | 0.06% | #284 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. Also see Ameren Corp operating cash flow efficiency for how efficiently the company converts equity into cash flow.
Latest Price to Sales (P/S) Ratio
3.14x
Ameren Corp's market cap is 3.14 times its annual revenue
Latest Price to Earnings (P/E) Ratio
18.99x
Ameren Corp's market cap is 18.99 times its annual earnings
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 | $11.62 Billion | $6.08 Billion | $653.00 Million | 1.91x | 17.80x |
| 2017 | $13.47 Billion | $6.17 Billion | $523.00 Million | 2.18x | 25.76x |
| 2018 | $15.36 Billion | $6.29 Billion | $815.00 Million | 2.44x | 18.85x |
| 2019 | $18.56 Billion | $5.91 Billion | $828.00 Million | 3.14x | 22.41x |
| 2020 | $19.35 Billion | $5.79 Billion | $871.00 Million | 3.34x | 22.21x |
| 2021 | $22.66 Billion | $6.39 Billion | $990.00 Million | 3.54x | 22.89x |
| 2022 | $23.24 Billion | $7.96 Billion | $1.07 Billion | 2.92x | 21.64x |
| 2023 | $19.50 Billion | $7.50 Billion | $1.15 Billion | 2.60x | 16.93x |
| 2024 | $24.68 Billion | $7.62 Billion | $1.18 Billion | 3.24x | 20.88x |
| 2025 | $27.65 Billion | $8.80 Billion | $1.46 Billion | 3.14x | 18.99x |
Competitor Companies of AEE by Market Capitalization
Companies near Ameren Corp in the global market cap rankings as of October 31, 2026. See Ameren Corp balance sheet independence to understand what proportion of total assets are financed by equity.
Key companies related to Ameren Corp by market ranking:
- Nextera Energy Inc (NYSE:NEE): Ranked #131 globally with a market cap of $171.07 Billion USD.
- Southern Company (NYSE:SO): Ranked #263 globally with a market cap of $97.89 Billion USD.
- Duke Energy Corporation (NYSE:DUK): Ranked #264 globally with a market cap of $97.35 Billion USD.
- National Grid PLC ADR (NYSE:NGG): Ranked #312 globally with a market cap of $86.46 Billion USD.
| Rank | Company | Symbol | Market Cap | Price |
|---|---|---|---|---|
| #131 | Nextera Energy Inc | NYSE:NEE | $171.07 Billion | $82.14 |
| #263 | Southern Company | NYSE:SO | $97.89 Billion | $92.99 |
| #264 | Duke Energy Corporation | NYSE:DUK | $97.35 Billion | $125.90 |
| #312 | National Grid PLC ADR | NYSE:NGG | $86.46 Billion | $86.96 |
Market Capitalization of Ameren Corp (2015–2026)
Market capitalization of Ameren Corp from 2015 to today. Between 2015 and today, Ameren Corp's market cap moved from $9.25 Billion to $ 30.51 Billion, with a yearly change of 11.28%.
| Year | Market Cap | Change (%) |
|---|---|---|
| 2026 | $30.51 Billion | +10.36% |
| 2025 | $27.65 Billion | +12.03% |
| 2024 | $24.68 Billion | +26.53% |
| 2023 | $19.50 Billion | -16.07% |
| 2022 | $23.24 Billion | +2.55% |
| 2021 | $22.66 Billion | +17.11% |
| 2020 | $19.35 Billion | +4.27% |
| 2019 | $18.56 Billion | +20.82% |
| 2018 | $15.36 Billion | +13.99% |
| 2017 | $13.47 Billion | +15.93% |
| 2016 | $11.62 Billion | +25.68% |
| 2015 | $9.25 Billion | -- |
End of Day Market Cap According to Different Sources
On Oct 30th, 2026 the market cap of Ameren Corp was reported to be:
| Source | Market Cap |
|---|---|
| Yahoo Finance | $30.13 Billion USD |
| MoneyControl | $30.13 Billion USD |
| MarketWatch | $30.13 Billion USD |
| marketcap.company | $30.13 Billion USD |
| Reuters | $30.13 Billion USD |
Market cap values may vary slightly between sources due to differences in calculation methods, timing, and data refresh rates.
About Ameren Corp
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