Stocktoria
DEEP FISSION, INC. FISN
DEEP FISSION, INC. (FISN) earns a Piotroski F-score of 1/9 (weak financial health), with an Altman Z″ in the distress zone. It does not currently pay a dividend.
Quality score trend · recomputed for each fiscal year
Each year's score is computed from that year's filing — a rising Piotroski F or Altman Z″ means improving financial health, a fall is worth a look.
How it ranks in Transportation & Utilities · percentile among 348 companies
Percentile vs other Transportation & Utilities companies we cover — e.g. “stronger than 90%” means only 10% score higher on that measure.
Piotroski F breakdown · 1/9 tests passed
- Positive return on assets
- Positive operating cash flow
- Rising ROA
- Cash flow exceeds net income
- Lower long-term debt
- Rising current ratio
- No share dilution
- Rising gross margin
- Rising asset turnover
Altman Z″ components · distress zone
| Component | Value |
|---|---|
| Working capital / assets | 0.892 |
| Retained earnings / assets | -2.703 |
| EBIT / assets | -0.866 |
| Equity / liabilities | 9.275 |
Sector peers · similar-size Transportation & Utilities companies compare side by side →
| Ticker | Company | Piotroski F | Altman Z″ | P / E | Revenue growth |
|---|---|---|---|---|---|
| FISN | DEEP FISSION, INC. | 1/9 | 0.96 | — | — |
| NRG | NRG ENERGY, INC. | 5/9 | 1.86 | 36.5 | +9.2% |
| SO | SOUTHERN CO | 4/9 | 0.72 | 25.2 | +10.4% |
| NEE | NEXTERA ENERGY INC | 4/9 | 0.99 | 27 | +9.8% |
| AEP | AMERICAN ELECTRIC POWER CO INC | 3/9 | 0.75 | — | +9.5% |
| EIX | EDISON INTERNATIONAL | 6/9 | 0.95 | 6.5 | +9.8% |
| VST | Vistra Corp. | 5/9 | 0.04 | 56.7 | +3% |
All Transportation & Utilities companies →
About DEEP FISSION, INC.
Deep Fission, Inc. develops and deploys small modular nuclear reactors placed deep underground to generate electricity. The company provides small modular nuclear reactors designed for underground installation at a depth of one mile, offering carbon-free energy and capacity solutions. It delivers scalable reactor configurations for onsite power needs or flexible offtake agreements in wholesale power markets, manages the licensing process with regulatory authorities, and supports strategic development for decarbonization and reliability goals. The company also provides advisory and partnership services for deployment and operation of its reactor technology, using artificial intelligence to streamline operations. Deep Fission serves utilities, data centers, heavy industry, the military, government, and large cities. The company was founded in 2023 and is based in Berkeley, California.
FAQ
Is FISN financially healthy?
DEEP FISSION, INC.'s Piotroski F-score is 1/9 (8–9 is excellent, 0–3 weak), and its Altman Z″ distress score is in the distress zone.
Does FISN pay a dividend?
No, DEEP FISSION, INC. does not currently pay a dividend.
How profitable is FISN?
In FY2025, DEEP FISSION, INC. had a return on equity of -273.7%.
Is FISN a good stock to buy?
Stocktoria doesn't give buy or sell advice, but here is the data on DEEP FISSION, INC.: a Piotroski F-score of 1/9, an Altman Z″ in the distress zone. Weigh these quality and valuation signals against your own goals.
Computed from company filings · US · as of 2025-12-31. Facts plus Stocktoria's own computed scores — not investment advice.