CEG vs OKLO: Constellation Energy and Oklo compared
The short version
From the latest prices and each company's SEC filings. Who's ahead on each measure, not which to buy.
- Constellation Energy is the larger company, worth $104.6B, about 21.6 times Oklo.
Side by side
The stronger figure is shaded where higher (or, for valuation multiples, lower) reads as better. How the implied growth works.
| Measure | CEG | OKLO |
|---|---|---|
| Market cap | $104.6B | $4.8B |
| Share price | $298.07 | $34.70 |
| Revenue (last fiscal year) | $25.5B | — |
| Free cash flow (last fiscal year) | $1.3B | -$115M |
| Revenue growth, last year | +23.0% | — |
| Revenue growth per year, last 5 fiscal years | +8.4% | — |
| Operating margin | 14.9% | — |
| Net margin | 11.2% | — |
| Return on equity | 10.8% | -4.7% |
| P/E (trailing) | 25.2x | — |
| Price / free cash flow | 81.2x | — |
| EV / EBITDA | 12.9x | — |
| FCF growth the price implies | 23.5% | — |
| Dividend yield | 0.53% | — |
| Debt / equity | 2.06x | 0.03x |
| Fundamental grade | D | D |
| Superinvestors holding it | 6 | 1 |
| Insider purchases, last 12 months | 8 | 0 |
Results from SEC filings
Revenue and free cash flow by fiscal year, from each company's 10-K filings.
Constellation Energy
| Year | Revenue | Free cash flow | Op. margin |
|---|---|---|---|
| 2021 | $18.5B | -$2.7B | -1.9% |
| 2022 | $24.3B | -$4.0B | 2.0% |
| 2023 | $24.9B | -$7.7B | 6.5% |
| 2024 | $23.6B | -$5.0B | 18.5% |
| 2025 | $25.5B | $1.3B | 12.1% |
Oklo
| Year | Revenue | Free cash flow | Op. margin |
|---|---|---|---|
| 2022 | — | — | — |
| 2023 | — | -$16M | — |
| 2024 | — | -$39M | — |
| 2025 | — | -$115M | — |
Where the revenue comes from
Constellation Energy · by segments, 2025
Mid-Atlantic$6.5B32%
Midwest$5.3B26%
Other Power Regions$4.9B24%
New York$2.4B12%
ERCOT$1.3B6%
Oklo
No segment breakdown reported.
Compare them in fullFifteen years of statements, quarterly results, DCF and IRR models, and any number of peers side by side.
Open CEG in InvestinglyQuestions
Which is bigger, Constellation Energy or Oklo?
Constellation Energy (CEG), at $104.6B against $4.8B.
Prices and ratios as of the last daily update; statements from SEC filings. Information only, not investment advice.