Deep Fission (FISN) vs Nano Nuclear Energy (NNE)
Head-to-head comparison of performance, valuation, growth, profitability and dividends. Prices delayed 15 minutes; data as of Oct 9, 2026.
Summary
Nano Nuclear Energy is the larger company by market cap ($819.4 million vs $274.5 million), about 3.0 times the size.
Summary generated from market data by MetaCap's automated system. Methodology
Relative performance
Percent change in share price from the first common trading day shown; excludes dividends.
Head-to-head
| Metric | FISN | NNE |
|---|---|---|
| Share price | $4.66 | $15.26 |
| Market cap | $274.50M | $819.43M |
| 1-day change | -8.27% | -4.68% |
| YTD return | — | -36.44% |
| 1-year return | — | -67.56% |
| EPS (TTM) | $-1.88 | $-0.69 |
| Dividend yield | 0.00% | 0.00% |
| Annual dividend | $0.00 | $0.00 |
| 52-week high | $19.00 | $60.87 |
| 52-week low | $4.61 | $14.71 |
| Distance from 52-week high | -75.47% | -74.93% |
| Analyst consensus | none | buy |
| Avg. price target upside | +320.60% | +146.20% |
| Average volume | 271.38K | 1.94M |
| Shares outstanding | 58.91M | 53.70M |
| Employees | 51 | 36 |
| Sector | Utilities | Utilities |
| Industry | Electric Utilities: Central | Electric Utilities: Central |
Highlighted cells mark the higher value for growth, returns, margins and yield, and the lower value for P/E ratios. Highlighting is a mechanical comparison, not a recommendation.
Key differences
- Nano Nuclear Energy is about 3.0 times larger than Deep Fission by market value ($819.43M vs $274.50M).
About Deep Fission
FISN stock →Deep Fission, Inc. develops and deploys small modular nuclear reactors placed deep underground to generate electricity.
Utilities · Electric Utilities: Central · 51 employees
About Nano Nuclear Energy
NNE stock →NANO Nuclear Energy Inc. operates as a nuclear energy company.
Utilities · Electric Utilities: Central · 36 employees
FISN vs NNE FAQ
Which is bigger, Deep Fission or Nano Nuclear Energy?
Nano Nuclear Energy (NNE) is larger, with a market capitalization of $819.43M compared with $274.50M for Deep Fission (FISN).
Are Deep Fission and Nano Nuclear Energy in the same industry?
Yes. Both are classified in the Electric Utilities: Central industry within the Utilities sector.