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FISN
Deep Fission Inc
NASDAQ· Industrials· Specialty Industrial Machinery· CUSIP 243927100
$3.45-5.48%Price as of Oct 17, 12:10 UTC · updated once a day, after the close
At a glance
Deep Fission Inc (FISN) is listed on NASDAQ and classified in Specialty Industrial Machinery, part of the Industrials sector. It is headquartered in Berkeley, United States and has 51 employees. The company is worth $203.23M. The share price is 81.8% below its 52-week high of $19.00. One of the 38 superinvestors we track held it at the end of Q2 2026: Ken Griffin (Citadel Advisors), at $1.21M. In that quarter, 1 of them opened or added to the position. No open-market insider trades in it were filed over the last 30 days.
Written from the data on this page: SEC filings (13F, Form 4, annual reports) and market prices.
Key metrics
- Market cap
- $203.23M
- P/E
- —
- Forward P/E
- —
- P/B
- 2.1x
- Dividend yield
- 0.00%
- Payout
- —
- EPS
- -$1.88
- ROE
- -256.07%
- Profit margin
- 0.00%
- Revenue growth
- —
- Beta
- —
- 52-week high
- $19.00
- 52-week low
- $3.40
History
Year by year, from the annual reports; dividends from the payments themselves.
Bars are year-end balances; lines are what happened during the year.
Investors holding this
Major managers that reported this stock in their latest 13F.
Others in the same sector
Companies of similar size in Industrials, for comparison. The columns are the same ones above, in the same order.
| Stock | Price | P/E | P/B | Dividend yield | ROE | Market cap |
|---|---|---|---|---|---|---|
| PMAPMA Graphene Technology Group Inc. | $1.24 | — | — | 0.00% | — | $202.09M |
| ABATAMERICAN BATTERY TECHNOLOGY Co | $1.48 | — | 1.7x | 0.00% | -74.50% | $211.02M |
| EAFGraftech International Ltd | $7.45 | — | — | 0.00% | — | $194.39M |
| RAILFreightCar America, Inc. | $5.92 |
About the company
- 51
- Berkeley, United States