Deep Fission, Inc.
Prices may be delayed up to 15 min. Not investment advice. News volume: articles in the 4Search index each day.
Key statistics
Against its peers
Compare in full ›| FISN | NNE | SMR | HDRN | NWCL | GFUZ | |
|---|---|---|---|---|---|---|
| Market cap | 130.18M | 587.99M | 2.11B | 50.98M | 1.40B | 359.69M |
| P/E (TTM) | — | — | — | — | — | — |
| Forward P/E | -1.6 | -10.9 | -8.2 | — | -5.1 | -6.2 |
| Price/book | 1.3 | 1.0 | 1.0 | 2.6 | 7.1 | -0.4 |
| Dividend yield | — | — | — | — | — | — |
| 1-year change | −81.66% | −73.71% | −85.83% | −93.24% | −54.35% | −46.10% |
| Today | −17.23% | −4.20% | −4.47% | −0.56% | +7.20% | −0.88% |
The closest companies by business and industry (Specialty Industrial Machinery). Prices may be delayed up to 15 min.
Latest news
All FISN news ›Deep Fission, Inc. (FISN)
operates in the ELECTRIC SERVICES sector and is listed on NASDAQ. The stock is currently priced at $2.68, with a market capitalization of $157.28M and a P/E ratio of --. Over the past 52 weeks, its price has ranged from $2.10 to $19.00.…
Deep Fission under fire re nuclear project’s costs and safety
By Ruth de la Garza, contributing writer Ann Suellentrop, vice-chair of the PeaceWorks KC Board, warned of the long-term dangers of nuclear waste. “Deep Fission is playing with fire. Radioactive waste is forever deadly and dangerous,…
Deep Fission locks in a 25-year power deal for its Kansas project, giving the company’s underground nuclear concept a long-term customer before it comes online
Deep Fission has been among the most active companies in 2026, but despite its success, the company is still looking to finish off the year on a high note. Deep Fission is currently developing technology that places a small modular…
Successful experiments at GSI/FAIR uncover new island of asymmetric fission
Terabytes of data collected during ten days of experiment, reveal a transition toward increasingly asymmetric fission in neutron-deficient heavy nuclei. This marks the discovery of a new "island of asymmetric fission" in the nuclear chart,…
Deep Fission Targets 2027 Kansas Nuclear Pilot, 2028 Commercial Rollout
Posted by Defense World Staff on Oct 27th, 2026 Deep Fission controls a 100-acre site at the Great Plains Industrial Park in southeast Kansas, where it plans to develop its DOE demonstration reactor and pursue its first commercial…
Deep Fission Honored by Goldman Sachs for Entrepreneurship
Today, Goldman Sachs (NYSE: GS) is recognizing Deep Fission, Inc. (Nasdaq: FISN) (“Deep Fission” or the “Company”) Co-Founder and CEO Liz Muller as one of the Most Exceptional Entrepreneurs of 2026 at its Builders and Innovators Summit in…
Deep Fission, Inc. Signs Binding 25-Year Master Energy Purchase Agreement With Great Plains Development Authority For Planned Commercial Project
Deep Fission, Inc. announced a Master Energy Purchase Agreement with the Great Plains Development Authority . It converts the parties? December 2025 letter of intent into a definitive contract for a... announced a Master Energy Purchase…
Deep Fission signs energy deal with Southeast Kansas industrial park
PARSONS, Kan. â Deep Fission, the company that plans to put nuclear reactors a mile underground in Southeast Kansas to power electrical generators, has signed a 25-year energy purchase agreement with Great Plains Industrial Park in…
Deep Fission Signs 25-Year Power Agreement For Planned US Nuclear Project
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Deep Fission Receives Department of Energy Approval for Nuclear Safety Design Agreement for Gravity Nuclear Reactor
Deep Fission announced that the U.S. Department of Energy has approved the company's Nuclear Safety Design Agreement for its Gravity Nuclear Reactor. The NSDA approval establishes the safety... Deep Fission announced that the U.S…
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