Constellation Energy
Constellation Energy Corporation (Nasdaq: CEG) generates and sells electricity, natural gas and energy-related products and sustainability services to utilities, municipalities, cooperatives, commercial and industrial businesses, public-sector organizations and residential customers. Its generation portfolio includes… From the company’s description.
In fiscal 2025, Constellation Energy reported revenue of $25.53B, up 8.3% from fiscal 2024, and net income of $2.32B. Its operating margin was 12.1%, and operations generated $4.24B in cash. Over the twelve months to Jun 30, 2026, revenue was $31.27B.
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 Constellation Energy does
In the company’s own words
Constellation Energy Corporation (Nasdaq: CEG) generates and sells electricity, natural gas and energy-related products and sustainability services to utilities, municipalities, cooperatives, commercial and industrial businesses, public-sector organizations and residential customers. Its generation portfolio includes nuclear, natural gas, geothermal, hydroelectric, wind and solar facilities, with about 55 GW of capacity following its January 2026 acquisition of Calpine. In 2025, before that acquisition, owned generating resources had 31,676 MW of capacity. The company also provides retail and wholesale power, natural gas supply, renewable energy products, energy efficiency services and sustainability advisory tools. Its customer-facing business serves approximately 2.5 million customer accounts following the Calpine acquisition, including three-fourths of Fortune 100 companies. Constellation reports five segments: Mid-Atlantic, Midwest, New York, ERCOT and Other Power Regions, organized around generation locations and customer-facing activities; the filing does not provide segment revenue shares. The company became independent of Exelon in 2022, and its brands include Constellation Navigator and CORe+. Its website is www.ConstellationEnergy.com.
Company details
- Sector
- Utilities
- Industry (SIC)
- Electric, Gas & Water
- Headquarters
- BALTIMORE, MD
- Fiscal year end
- December
- CIK
- 1868275
- SIC
- 4911
Financial performance, year by year
Fiscal 2021–2025 · 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 Constellation Energy — and what changed
Funds as of 2026Q2 · superinvestors as of 2026-06-30
Largest fund holders · Constellation Energy’s weight in each
Fund ownership is a floor, not a census — pensions, insurers and people holding shares directly are not visible here.
Constellation Energy’s bonds, as funds hold them
Funds report holding 24 issues of Constellation Energy’s debt, $3.06B at market value — what funds hold, not the company’s total debt. Weighted-average coupon 4.96%, maturing 2026 to 2066.
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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