Ameren: brands it owns and its ownership tree
Ameren (NYSE: AEE) is a publicly listed company headquartered in the United States that owns 2 consumer brands.[1][2]
Ameren's 2025 Form 10-K says Ameren, based in St. Louis, Missouri, is a public utility holding company whose primary assets are equity interests in its subsidiaries, including Ameren Missouri, Ameren Illinois and Ameren Transmission Company of Illinois (ATXI). Ameren Missouri is Union Electric Company and its subsidiary.
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brands owned
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acquisitions recorded
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divestitures recorded
Company facts
- Legal name
- Ameren Corporation
- Type
- publicly listed company · see all publicly listed company owners
- Headquarters
- 🇺🇸 United States
- Tickers
- NYSE: AEE
- Revenue
- $8.8 billion (2025)[2]
- SEC CIK
- 0001002910
- Last verified
- · 2 sources
What Ameren's annual report says about its business
Read from Ameren's latest annual filing[1]. Each line gives the sentence the filing uses, copied word for word.
Segments the filing names
- Ameren Missouri, Ameren Illinois Electric Distribution, Ameren Illinois Natural Gas, Ameren Transmission:
Ameren has four segments: Ameren Missouri, Ameren Illinois Electric Distribution, Ameren Illinois Natural Gas, and Ameren Transmission.
Acquisitions and disposals named in the filing
- Acquired: Split Rail Solar Project (February 2026).
In February 2026, Ameren Missouri acquired the Split Rail Solar Project, which is expected to be placed in service in the second quarter of 2026.
Ameren in numbers
- Ameren owns 2 consumer brands tracked here across 1 top-level categories; the largest is energy with 2 brands.[1]
Ameren financial history
Headline figures from Ameren's annual reports filed with the US Securities and Exchange Commission, in USD as reported, fiscal years ending 2020–2025. Revenue moved from $5.79bn to $8.8bn, an average of 8.7% a year (calculated).
| Fiscal year ended | Revenue | Operating income | Operating margin | Net income | Total assets | Long-term debt | Filing |
|---|---|---|---|---|---|---|---|
| $8.8bn | $2.03bn | 23.0% | — | $48.5bn | $18.2bn | 10-K | |
| $7.62bn | $1.52bn | 19.9% | — | $44.6bn | $17.3bn | 10-K | |
| $7.5bn | $1.56bn | 20.8% | — | $40.8bn | $15.1bn | 10-K | |
| $7.96bn | $1.51bn | 19.0% | — | $37.9bn | $13.7bn | 10-K | |
| $6.39bn | $1.33bn | 20.8% | — | $35.7bn | $12.6bn | 10-K | |
| $5.79bn | $1.3bn | 22.4% | — | $32bn | $11.1bn | 10-K |
Source: SEC XBRL company facts. A dash means the company did not report that line in a form we could read. Figures for a year can be restated in a later filing; the latest filing's number is shown.
Everything Ameren owns
Controlling ownership as of . Brands grouped under the entity that owns them; large groups are collapsed.
Full-screen interactive tree →
Brand portfolio by category
Recent changes to this record
Ameren SEC filings
The documents behind the figures on this page, as listed in the SEC's EDGAR index. Each links to the filing itself.
Annual reports
- Annual report, filed (10-K)
- Annual report, filed (10-K)
- Annual report, filed (10-K)
- Annual report, filed (10-K)
- Annual report, filed (10-K)
- Annual report, filed (10-K)
Proxy statements
- Proxy statement, filed (DEF 14A)
- Proxy statement, filed (DEF 14A)
- Proxy statement, filed (DEF 14A)
Recent current and quarterly reports
| Filed | Form | What it declares |
|---|---|---|
| 8-K | Other events | |
| 8-K | Other events | |
| 8-K | Other events | |
| 8-K | Other events | |
| 10-Q | Quarterly report | |
| 8-K | Results of operations and financial condition; Other events | |
| 8-K | Other events | |
| 8-K | Other events | |
| 8-K | Results of a shareholder vote | |
| 10-Q | Quarterly report | |
| 8-K | Results of operations and financial condition; Other events | |
| 8-K | Other events | |
| 8-K | Other events | |
| 8-K | Results of operations and financial condition; Other events |
Frequently asked questions
What brands does Ameren own?
Ameren owns 2 consumer brands tracked here, including Ameren Missouri and Ameren Illinois.
Is Ameren an American company?
Yes. Ameren is headquartered in the United States.
Who owns Ameren?
Ameren is a publicly listed company owned by its shareholders; it trades as AEE on the NYSE.
Sources (2) & corrections
Last verified . Every ownership fact above is backed by one of these primary documents. Numbers in brackets in the text refer to this list.
- [1] Ameren Corporation Annual Report on Form 10-K filed 2026-02-18 — SEC EDGAR, SEC Form 10-K, published 18 February 2026; retrieved 5 October 2026.
- [2] Ameren Corporation: Form 10-K for the year ended 2025-12-31 (revenue) — SEC EDGAR, SEC Form 10-K, published 18 February 2026; retrieved 5 October 2026.
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