Market Cap 421.18M
Revenue (ttm) 0.00
Net Income (ttm) -61.00M
EPS (ttm) N/A
PE Ratio 0.00
Forward PE N/A
Profit Margin 0.00%
Debt to Equity Ratio 0.00
Volume 159,400
Avg Vol 217,900
Day's Range N/A - N/A
Shares Out 58.91M
Stochastic %K 78%
Beta N/A
Analysts Strong Sell
Price Target $20.00

Company Profile

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 develo...

Industry: Specialty Industrial Machinery
Sector: Industrials
Phone: (707) 400-0778
Address:
2001 Addison Street, Suite 300, Berkeley, United States
pyroclast
pyroclast Sep. 4 at 10:55 PM
$FISN Deep Fission is Up 5% in after hours trading! I’m now up 20% since I bought shares of FISN three days ago. That’s not bad for a tiny speculative high tech energy company
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pyroclast
pyroclast Sep. 2 at 9:24 PM
$FISN Nice article on Deep Fission in the NewScientist magazine. https://apple.news/A8j7IGmHIQ_SjLo4Xw-C9ow Cheers!
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pyroclast
pyroclast Sep. 2 at 9:20 PM
$FISN I bought 6000 shares of FISN this morning and by the afternoon I’m up 7.6 percent. Not bad for a day’s honest work. GO FISN!!
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VonDooom
VonDooom Sep. 1 at 11:49 AM
$FISN Raised $40M in its June 2026 public offering..
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Robertbirch
Robertbirch Aug. 27 at 6:18 PM
$FISN wait till $5 . The company I believed had 2026 as start date when announced in local paper 2 years ago I just 5 to 10 minute drive from the site
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escuintla
escuintla Aug. 25 at 11:12 PM
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WickedKingJames
WickedKingJames Aug. 25 at 4:45 PM
$FISN An Officer level HR hire for a 60 person company? What does that say about management? Do they need someone at that level because of issues? Or is this a wasteful, premature hire?
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Arcides
Arcides Aug. 25 at 2:23 AM
$FISN deep shitsion
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FlightDirector
FlightDirector Aug. 24 at 11:43 PM
$OKLO selected over all other publicly traded SMR peers ($IMSR $FISN $XE $SMR NNE HDRN etc) except for LTBR on fuel cycle.
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william64
william64 Aug. 24 at 7:25 PM
$FISN https://stocktwits.com/william64/message/657362042
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Latest News on FISN
Deep Fission initiated with a Buy at Maxim

2026-08-31T11:50:07.000Z - 7 days ago

Deep Fission initiated with a Buy at Maxim


Deep Fission appoints Scales as Chief People Officer

2026-08-25T11:11:29.000Z - 13 days ago

Deep Fission appoints Scales as Chief People Officer


Deep Fission Slides: Corporate presentation

Aug 11, 2026, 8:00 AM EDT - 27 days ago

Deep Fission Slides: Corporate presentation


Deep Fission initiated with a Buy at Seaport Research

2026-08-04T13:10:39.000Z - 4 weeks ago

Deep Fission initiated with a Buy at Seaport Research


Deep Fission initiated with a Buy at Seaport Research

2026-08-04T12:01:57.000Z - 4 weeks ago

Deep Fission initiated with a Buy at Seaport Research


Deep Fission Quarterly report: Q2 2026

Aug 3, 2026, 7:00 AM EDT - 5 weeks ago

Deep Fission Quarterly report: Q2 2026


Deep Fission initiated with a Buy at Canaccord

2026-07-15T09:40:36.000Z - 7 weeks ago

Deep Fission initiated with a Buy at Canaccord


Deep Fission initiated with a Buy at Benchmark

2026-07-13T10:16:41.000Z - 1 month ago

Deep Fission initiated with a Buy at Benchmark


Deep Fission opens at $16, IPO priced at $16 per share

2026-06-18T14:55:39.000Z - 2 months ago

Deep Fission opens at $16, IPO priced at $16 per share


Deep Fission 2.5M share IPO priced at $16.00

2026-06-18T10:05:07.000Z - 2 months ago

Deep Fission 2.5M share IPO priced at $16.00


Deep Fission 2.5M share IPO priced at $16.00

2026-06-18T00:25:21.000Z - 2 months ago

Deep Fission 2.5M share IPO priced at $16.00


Deep Fission 2.5M share IPO price range $16.00-$18.00

2026-06-10T19:30:23.000Z - 2 months ago

Deep Fission 2.5M share IPO price range $16.00-$18.00


Deep Fission Slides: Company presentation

Jun 1, 2026, 8:00 AM EDT - 3 months ago

Deep Fission Slides: Company presentation


Deep Fission IPO Registration Document (S-1)

May 20, 2026, 6:08 AM EDT - 3 months ago

Deep Fission IPO Registration Document (S-1)


pyroclast
pyroclast Sep. 4 at 10:55 PM
$FISN Deep Fission is Up 5% in after hours trading! I’m now up 20% since I bought shares of FISN three days ago. That’s not bad for a tiny speculative high tech energy company
0 · Reply
pyroclast
pyroclast Sep. 2 at 9:24 PM
$FISN Nice article on Deep Fission in the NewScientist magazine. https://apple.news/A8j7IGmHIQ_SjLo4Xw-C9ow Cheers!
0 · Reply
pyroclast
pyroclast Sep. 2 at 9:20 PM
$FISN I bought 6000 shares of FISN this morning and by the afternoon I’m up 7.6 percent. Not bad for a day’s honest work. GO FISN!!
1 · Reply
VonDooom
VonDooom Sep. 1 at 11:49 AM
$FISN Raised $40M in its June 2026 public offering..
0 · Reply
Robertbirch
Robertbirch Aug. 27 at 6:18 PM
$FISN wait till $5 . The company I believed had 2026 as start date when announced in local paper 2 years ago I just 5 to 10 minute drive from the site
0 · Reply
escuintla
escuintla Aug. 25 at 11:12 PM
0 · Reply
WickedKingJames
WickedKingJames Aug. 25 at 4:45 PM
$FISN An Officer level HR hire for a 60 person company? What does that say about management? Do they need someone at that level because of issues? Or is this a wasteful, premature hire?
1 · Reply
Arcides
Arcides Aug. 25 at 2:23 AM
$FISN deep shitsion
0 · Reply
FlightDirector
FlightDirector Aug. 24 at 11:43 PM
$OKLO selected over all other publicly traded SMR peers ($IMSR $FISN $XE $SMR NNE HDRN etc) except for LTBR on fuel cycle.
0 · Reply
william64
william64 Aug. 24 at 7:25 PM
$FISN https://stocktwits.com/william64/message/657362042
0 · Reply
Digitcipher
Digitcipher Aug. 24 at 5:42 PM
$FISN It's just a SPAC. This is normal. I hate to say it but it will probably go lower considering this company is pre-revenue.
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Nicki001
Nicki001 Aug. 17 at 7:03 PM
$FISN any bad news or why is it trading so low?
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DeepFission
DeepFission Aug. 12 at 3:41 PM
Deep Fission co-founder and CEO Liz Muller recently joined Adnan Belushi on The Nuclear Show for a conversation about our technology, commercialization approach, and what's ahead for the company. ⚛️ If you're interested in how we're working to bring reliable, affordable nuclear energy to market, it's worth a listen. Listen to the whole conversation here 🎙️https://open.spotify.com/show/2DPBAcfR0sq4DAIH2ZSbVF?si=a29bd431ed144d37&nd=1&dlsi=3c636f242f464cd4 #Nuclear #NuclearEnergy #podcast $FISN
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DeepFission
DeepFission Aug. 11 at 7:39 PM
Deep Fission ( $FISN ) is built around a simple premise: the fastest path to expanding nuclear energy is to build upon what already works. ⚛️ Our approach is integration over invention. By leveraging established reactor technology, existing fuel supply chains, and proven operating principles, we are focused on validating a deployment architecture designed to support repeatability, scalability, and commercial viability. Learn more: https://www.deepfission.com/technology 🎥: 1/7 scale model of the Deep Fission Gravity™ Nuclear Reactor canister #Nuclear #NuclearEnergy #AdvancedNuclear #Tech #FISN
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pyroclast
pyroclast Aug. 11 at 3:03 AM
$FISN My guess is that Halliburton will be the drilling contractor.
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invstdwthaple
invstdwthaple Aug. 10 at 1:23 PM
$FISN Down 43% for the year is generally not considered a great investment. If the company would keep shareholders updated it would be of a great help. Did KDHE approve the hole? Did they find a driller who could can drill a mile hole deep hole with a diameter generally used for surface casing? Is there that much casing available? It's all a guess and guesses don't create confident investments.
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CaptBeer
CaptBeer Aug. 9 at 8:11 PM
$FISN if built to power a data center, how close to the reactors do they need to be?
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DeepFission
DeepFission Aug. 7 at 10:28 PM
Our CEO and co-founder Liz Muller joined BNN Bloomberg this morning to discuss our recently approved Nuclear Safety Design Agreement (NSDA) as part of the U.S. Department of Energy’s Reactor Pilot Program. This approval confirms that the foundational safety basis of our Gravity™ Nuclear Reactor design warrants advancement to the next stage of development. She also provides a look at our technology and our pathway to commercialization. Watch it here ➡️ https://www.bnnbloomberg.ca/video/shows/morning-markets/2026/08/07/doe-approves-deep-fission-reactor-design/ #Nuclear #NuclearEnergy $FISN
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ThatDudeWithNoMoney
ThatDudeWithNoMoney Aug. 7 at 8:38 PM
$FISN $OKLO $ALOY A reminder of what potential $FNUC has. This is a slow climber. 1 year from now, it’ll be +$50 with how things are going.
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pyroclast
pyroclast Aug. 7 at 7:20 PM
$FISN ????? FISN has been a great investment if you waited a couple of weeks until the excitement of the IPO died down and then bought in at a reasonable price. Personally I’m up ca 10% after a couple of days and that’s not bad at all. And the “dream posts” you are complaining about are actually FISN introductions to the the somewhat unique engineering concepts FISN is developing. Personally I find it a positive that FISN is releasing news and information to their investors. Good luck to all!!
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PHARMD09
PHARMD09 Aug. 6 at 2:43 PM
$FISN $FNUC $NUCL $OKLO this right here 💪💰💯
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ThatDudeWithNoMoney
ThatDudeWithNoMoney Aug. 6 at 2:11 PM
Just in case if anyone was wondering who owns and holds $FNUC. See yall at +$10 in a few months $OKLO $FISN $NUCL
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