FISN

Deep Fission, Inc.

$2.12

-25.09%
SectorIndustrialsIndustrySpecialty Industrial MachineryCountryUnited States

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.

Source: Yahoo Finance
AI summary

Price & performance

1M-52.4%
3M-73.3%
YTD-85.4%
1Y—
52-week range—
Beta5.37
Full chart and returns against a benchmark

Q-Score

11/ 100

Quality against peers; 50 is the peer median.

Growth—
Risk29
Performance4
Valuation24
Profitability12
Leverage85
Sentiment92
Every score and metric

News sentiment

Open News

Latest results · FY 2025

Revenue—
Net income-$61M
Net margin—
Historical fundamentals

Red flags in filings

5active red flags
Going-concern doubtApr 15, 2026
Material weakness in controlsApr 15, 2026
Restated financialsApr 9, 2026
Filings, findings and the timeline

Valuation

FISNIndustryP/E—25.51P/S—4.01EV/EBITDA—28.04P/B1.497.98PEG—0.51
Dividend yield0.00%
Every valuation metric