8.64

4.73% 0.39

Deep Fission Inc (FISN)

Overview News Price History Discussions Forecast

Deep Fission Inc stock is traded at $8.64, with a volume of 183.02K. It is up +4.73% in the last 24 hours and down -18.87% over the past month. Deep Fission Inc is a nuclear energy technology company developing a small modular reactor based on established pressurized water reactor technology, with novel emplacement in deep boreholes approximately one mile below the Earth's surface. Its reactor, which is referred to as the Gravity Reactor, will leverage subsurface conditions to support key containment and operating functions, including the use of hydrostatic pressure from a water column within the borehole to support reactor operating pressure and cooling, and the surrounding geological formation to provide structural confinement and shielding. The group's focus is within the United States, where electricity demand growth, expanding digital infrastructure, and evolving energy policy.

Previous Close:

$8.25

Open:

$8.26

24h Volume:

183.02K

Relative Volume:

1.01

Market Cap:

$508.95M

Revenue:

Net Income/Loss:

P/E Ratio:

-28.80

EPS:

-0.3

Net Cash Flow:

1W Performance:

-3.89%

1M Performance:

-18.87%

6M Performance:

+0.00%

1Y Performance:

+0.00%

1-Day Range:

$8.20

$8.87

1-Week Range:

$7.77

$9.1949

52-Week Range:

$7.66

$15.50

Deep Fission Inc Stock (FISN) Company Profile

Name

Deep Fission Inc

Sector

Industrials (701)

Industry

Specialty Industrial Machinery (83)

Phone

(707) 400-0778

Address

2831 GARBER STREET, BERKELEY

Employee

Twitter

Next Earnings Date

null

Latest SEC Filings

FISN's Discussions on Twitter

Compare FISN vs GEV, ETN, PH, EMR, CMI

Stocks	Price	Market Cap	Revenue	Net Income	Cash Flow	EPS
FISN Deep Fission Inc	8.64	491.28M	0	0	0	-0.30
GEV Ge Vernova Inc	1,063.25	276.96B	39.35B	9.36B	7.53B	34.32
ETN Eaton Corp Plc	451.51	178.65B	28.52B	4.00B	3.78B	10.23
PH Parker Hannifin Corp	1,055.85	134.85B	20.99B	3.48B	3.68B	27.11
EMR Emerson Electric Co	163.17	91.37B	18.31B	2.44B	3.12B	4.3343
CMI Cummins Inc	631.26	87.81B	33.89B	2.79B	2.67B	19.27

Deep Fission Inc Stock (FISN) Latest News

Aug 14, 2026

Deep Fission Targets 2027 Debut for Underground Nuclear Reactors - Yahoo Finance

Aug 13, 2026

Deep Fission advances underground reactor pilot program – KSNF/KODE - FourStatesHomepage.com

Aug 13, 2026

Aug 12, 2026

Top Deep Fission (FISN) Competitors 2026 - MarketBeat

Aug 12, 2026

Aug 11, 2026

FISN: Deep borehole nuclear reactors promise fast, safe, and scalable clean energy deployment - TradingView

Aug 11, 2026

FISN: Underground borehole reactors promise rapid, safe, and scalable nuclear power by 2028 - TradingView

Aug 11, 2026

Deep Fission at Canaccord Genuity: underground nuclear push gains pace - Investing.com India

Aug 11, 2026

Deep Fission at Canaccord Genuity: underground nuclear push gains pace By Investing.com - Investing.com Canada

Aug 11, 2026

FISN Price Today: Deep Fission, Inc. Stock Price, Quote & Chart | MEXC - mexc.co

Aug 11, 2026

Top 3 Utilities Stocks Which Could Rescue Your Portfolio This Month - benzinga.com

Aug 11, 2026

Deep Fission (FISN) Institutional Ownership 2026 $FISN - MarketBeat

Aug 11, 2026

Aug 10, 2026

Analysts Offer Insights on NA Companies: Once Upon a Farm, PBC (OFRM) and Deep Fission (FISN) - The Globe and Mail

Aug 10, 2026

Aug 09, 2026

Seaport Global Maintains Deep Fission(FISN.US) With Buy Rating, Maintains Target Price $25 - Moomoo

Aug 09, 2026

Aug 07, 2026

Deep Fission’s Underground Reactor Wins Safety Approval - Tomorrow's World Today

Aug 07, 2026

DOE approves Deep Fission reactor design - BNN Bloomberg

Aug 07, 2026

Aug 06, 2026

Deep Fission Shares Rise on Energy Department's Approval of Nuclear Reactor Design Agreement - Moomoo

Aug 06, 2026

Deep Fission rises after DoE approves safety design of underground SMR (FISN:NASDAQ) - Seeking Alpha

Aug 06, 2026

Department of Energy Approves Nuclear Safety Design Agreement fo - GuruFocus

Aug 06, 2026

Department of Energy Approves Nuclear Safety Design Agreement for Deep Fission's Gravity™ Reactor, Designed to Convert to Commercial Operation - 巴士的報

Aug 06, 2026

Department of Energy Approves Nuclear Safety Design Agreement for Deep Fission's Gravity Reactor, Designed to Convert to Commercial Operation - Business Wire

Aug 06, 2026