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Deep Fission, Inc. logo

Deep Fission, Inc. (FISN) Stock Ticker

NASDAQ: FISN · Industrials · Industrial - Machinery
$6.25-10.07%
USD · as of 2026-09-28 · market cap $377.1M
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Market factors today

Tickr 500 vs S&P 500+0.49%+1.0% MTD
Momentum L/S+1.35%+15.1% MTD
High-beta momo L/S+1.46%+22.2% MTD
Rate sensitivity L/S+1.91%+6.9% MTD
Oil sensitivity L/S-2.54%-5.3% MTD
Unprofitable tech-1.43%+3.7% MTD

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🔒 Financials & estimates
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About Deep Fission, Inc.

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.

FISN stock facts

Ticker symbolFISN
ExchangeNASDAQ
SectorIndustrials
IndustryIndustrial - Machinery
Market cap$377.1M
CEOElizabeth Muller
Employees51
HeadquartersBerkeley, CA, US
IPO date2026-06-18
Websitewww.deepfission.com

What you can see for FISN on Tickr

Live FISN price chart with overlays, the options chain, implied move, IV rank, options flow and Strategy Lab, financial statements and consensus estimates, analyst ratings, catalysts, news with AI scoring, and an AI chat that has read the FISN report.

Rankings

Largest Industrials companiesLargest companies by market cap

FAQ

What is the ticker symbol for Deep Fission, Inc.?

The ticker symbol for Deep Fission, Inc. is FISN, listed on the NASDAQ.

What is 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.

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