Constellation: brands it owns and its ownership tree
Constellation (Nasdaq: CEG) is a publicly listed company headquartered in the United States that owns 2 consumer brands.[1][2]
Constellation Energy's 2025 Form 10-K says the company was formed as a wholly owned subsidiary of Exelon for the separation, and describes its acquisition of Calpine completed in January 2026, which added the Geysers geothermal assets and a larger presence in Texas.
-
brands owned
-
1
categories
-
0
acquisitions recorded
-
0
divestitures recorded
Company facts
- Legal name
- Constellation Energy Corporation
- Type
- publicly listed company · see all publicly listed company owners
- Headquarters
- 🇺🇸 United States
- Tickers
- Nasdaq: CEG
- Revenue
- $22.7 billion (2025)[2]
- SEC CIK
- 0001868275
- Last verified
- · 2 sources
What Constellation's annual report says about its business
Read from Constellation's latest annual filing[1]. Each line gives the sentence the filing uses, copied word for word.
Segments the filing names
- Mid-Atlantic, Midwest, New York, ERCOT, Other Power Regions:
We have five reportable segments: Mid-Atlantic, Midwest, New York, ERCOT, and Other Power Regions.
Acquisitions and disposals named in the filing
- Acquired: Calpine (January 7, 2026).
On January 7, 2026, Constellation acquired all of the outstanding equity interests of Calpine in a cash and stock transaction.
Constellation in numbers
- Constellation owns 2 consumer brands tracked here across 1 top-level categories; the largest is energy with 2 brands.[1]
Constellation financial history
Headline figures from Constellation's annual reports filed with the US Securities and Exchange Commission, in USD as reported, fiscal years ending 2020–2025.
| Fiscal year ended | Revenue | Operating income | Operating margin | Net income | Total assets | Long-term debt | Filing |
|---|---|---|---|---|---|---|---|
| $22.7bn | $3.09bn | 13.6% | $2.32bn | $57.2bn | $7.25bn | 10-K | |
| $19bn | $4.35bn | 22.9% | $3.75bn | $52.9bn | $7.38bn | 10-K | |
| $20.8bn | $1.61bn | 7.7% | $1.62bn | $50.8bn | $7.5bn | 10-K | |
| $21.6bn | $495m | 2.3% | $-160,000,000 | $46.9bn | $4.47bn | 10-K | |
| $17.3bn | $-346,000,000 | -2.0% | $-205,000,000 | $48.1bn | $4.58bn | 10-K | |
| — | $256m | — | $589m | — | — | 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 Constellation 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
Constellation 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)
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 |
|---|---|---|
| 10-Q | Quarterly report | |
| 8-K | Results of operations and financial condition; Regulation FD disclosure | |
| 8-K | Departure or appointment of directors or officers | |
| 8-K | Other events | |
| 8-K | Other events | |
| 10-Q | Quarterly report | |
| 8-K | Results of operations and financial condition; Regulation FD disclosure | |
| 8-K | Results of a shareholder vote | |
| 8-K | Regulation FD disclosure | |
| 8-K | Departure or appointment of directors or officers | |
| 8-K | Other events | |
| 8-K | Results of operations and financial condition; Regulation FD disclosure | |
| 8-K | Entry into a material agreement; Creation of a direct financial obligation | |
| 8-K | Other events |
Frequently asked questions
What brands does Constellation own?
Constellation owns 2 consumer brands tracked here, including Calpine and Constellation Energy Generation.
Is Constellation an American company?
Yes. Constellation is headquartered in the United States.
Who owns Constellation?
Constellation is a publicly listed company owned by its shareholders; it trades as CEG on the Nasdaq.
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] Constellation Energy Corporation Annual Report on Form 10-K filed 2026-02-24 — SEC EDGAR, SEC Form 10-K, published 24 February 2026; retrieved 5 October 2026.
- [2] Constellation Energy Corporation: Form 10-K for the year ended 2025-12-31 (revenue) — SEC EDGAR, SEC Form 10-K, published 24 February 2026; retrieved 5 October 2026.
Report a correction Opens a pre-filled GitHub issue. See our corrections policy.