Ameren
Ameren (NYSE: AEE) is a public utility holding company whose subsidiaries provide regulated electric and natural gas services in Missouri and Illinois, along with electric transmission service in the MISO region. Its four reportable segments are Ameren Missouri, Ameren Illinois Electric Distribution, Ameren Illinois… From the company’s description.
In fiscal 2025, Ameren reported revenue of $8.80B, up 15.4% from fiscal 2024, and net income of $1.46B. Its operating margin was 23.0%, and operations generated $3.35B in cash. Over the twelve months to Jun 30, 2026, revenue was $8.75B.
Margins and return on equity change in ; everything else in percent. Fewer shares and less debt are shown plainly, not as bad news — it depends what you make of buybacks. Dotted labels explain each measure. is shown separately from the annual figures.
What Ameren does
In the company’s own words
Ameren (NYSE: AEE) is a public utility holding company whose subsidiaries provide regulated electric and natural gas services in Missouri and Illinois, along with electric transmission service in the MISO region. Its four reportable segments are Ameren Missouri, Ameren Illinois Electric Distribution, Ameren Illinois Natural Gas, and Ameren Transmission. Ameren Missouri generates, transmits, and distributes electricity and distributes natural gas; Ameren Illinois operates electric distribution, electric transmission, and natural gas distribution businesses; and Ameren Transmission primarily comprises the transmission businesses of Ameren Illinois and ATXI. The companies serve retail utility customers as well as wholesale and transmission customers. Ameren’s transmission network integrates assets owned by its subsidiaries and connects directly with 15 other balancing authority areas. The company was formed in 1997 and operates through separate subsidiary companies, including Ameren Missouri, Ameren Illinois, and ATXI. Its website is www.ameren.com.
Company details
- Sector
- Utilities
- Industry (SIC)
- Electric, Gas & Water
- Headquarters
- ST LOUIS, MO
- Fiscal year end
- December
- CIK
- 1002910
- SIC
- 4931
Financial performance, year by year
Fiscal 2013–2025 · USDThe full income statement, balance sheet and cash flow for each of these years — every figure traceable to its filing — is on the Financials tab with a free account.
Who owns Ameren — and what changed
Funds as of 2026Q2 · superinvestors as of 2026-06-30
Largest fund holders · Ameren’s weight in each
Fund ownership is a floor, not a census — pensions, insurers and people holding shares directly are not visible here.
Ameren’s bonds, as funds hold them
Funds report holding 42 issues of Ameren’s debt, $2.79B at market value — what funds hold, not the company’s total debt. Weighted-average coupon 4.49%, maturing 2026 to 2056.
Fund ownership counts N-PORT filers only, so it is a floor rather than a census — pensions, insurers and direct holders are not visible here, and the remainder is not “held by individuals”.
Every fund and institutional holder, quarter by quarter, is on the Ownership tab with a free account.
Recent filings
All filings →Each filing opens into its own statements and disclosures here.
Put this business in context.
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