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FISN

Deep Fission, Inc. (NASDAQ:FISN)

US · Delayed Price · Currency is USD
Industrials · Industrial - Machinery
2.69+0.53 (+24.54%)
 
Market cap
$158M
Insider Score
Health Score
Analyst consensus
Listed since
Jun 18, 2026
Market Cap158.46M-81.5%
Revenue (ttm)0
Net Income-106.22M
EPS-2.38
Shares Out58.91M
PE Ration/a
Forward PEn/a
Dividendn/a
Ex-Dividend Daten/a
Volume612,765
Open2.17
Previous Close2.16
Day's Range2.17 - 2.72
52-Week Range2.10 - 19.00
Beta4.66
AnalystsBuy
Price Target19.50(+624.91%)
Earnings DateNov 2, 2026
Insider Score
––Not scored
FISN Insider Score

No insider has filed an open-market purchase or sale here in the last 90 days, so there is nothing to score yet.

About FISN

Deep Fission Nuclear, Inc. engages in the provision of nuclear energy through underground nuclear reactor. It uses clustered boreholes as a containment system. The company was founded by Richard Muller and Elizabeth Muller in 2023 and is headquartered in Berkeley, CA.

Address
2001 Addison Street, Berkeley, CA, 94704, US
Market Cap
158 million
Employees
51
Industrial Classification
Industrial - Machinery

Analyst consensus

Moderate Buy
1 Buy0 Hold0 Sell

1 firm rating FISN in the last 3 months, one vote each. Issuer-paid research is not counted.

Financial Health Score
Sound
From FISN’s reported statements · FY2025 · 4 of 5 pillars

Next catalysts

Ask Barron about FISN

1 Day
+24.54%
5 Days
+5.08%
1 Month
-56.96%
6 Months
-81.52%
1 Year
-81.52%

$FISN stock is featured in our Insider Trades datasets.

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Recently reported changes in FISN holdings by institutional investors

Scanning latest 13F filings…

Latest 0 13F filings · Source: SEC EDGAR

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Insider Trading

Quarterly net insider trading by FISN's directors and management

No SEC Form 4 activity for FISN in the last 5 quarters.

Source: SEC EDGAR (Form 4)

Corporate Lobbying

FISN Estimated quarterly lobbying spending

Source: U.S. Senate LDA

U.S. Patents

New FISN patent grants

Loading patent grants…

Source: USPTO Open Data Portal

Government Contracts

Estimated quarterly amount awarded to FISN from public contracts

Source: USAspending.gov

Top ETF Holders

ETFs with the largest estimated holdings in FISN

ETFEst. Holding Size
NUKZRange Nuclear Renaissance Index ETF$1.07M
SMRFALPS ETF Trust - ALPS Nautilus SMR, Nuclear & Technology ETF$11.04K

Estimated from each fund’s disclosed top holdings × AUM

FISN Insider Score

Our composite score: insider buying, sector, volume, tone & dilution

No Insider Score for FISN yet — no open-market insider buys or sells in the last 90 days.

Bull Case vs Bear Case

AI-generated from FISN’s recent data — informational, not investment advice

Generating analysis…

Recent Insider Activity

No Form 4 filings in the last 90 days.

Frequently Asked Questions

Disclaimer — Informational only — not investment advice. Insider transaction data is sourced from SEC Form 4 filings; market data from public feeds and may be delayed. The Insider Score is a proprietary score for research purposes and does not predict future performance. Always do your own research.