Company overview
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 rate-regulated natural gas distribution business. The company also generates electricity through coal, nuclear, and natural gas, as well as renewable energy, including hydroelectric, wind, methane gas, and solar. It serves residential, commercial, and industrial customers. Ameren Corporation was founded in 1881 and is headquartered in Saint Louis, Missouri.
Daily valuation snapshot
These values come from the daily market snapshot dated 2026-10-08. TTM means trailing twelve months. Use the market date when comparing AEE with another company.
| Daily close (USD) | $101.84 |
| Market capitalization (USD) | $28,193,716,681.84 |
| Price / earnings (TTM) | 17.98 |
| Price / book | Not reported |
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Company size
Ameren Corporation's recorded market capitalization is $28,193,716,681.84. It measures the market value of the company's equity, rather than its revenue or cash balance.
Price relative to earnings
AEE's recorded P/E is 17.98: about $17.98 of share price for each $1 of trailing annual earnings per share. Compare that multiple with earnings growth and companies in the same business.
Price relative to book equity
Price-to-book compares market equity value with recorded book equity. Intangible assets, profitability and the company's business affect how useful the comparison is.
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