Deep Fission logo

Deep Fission(NASDAQ) FISN

Market Cap$274.50MMarket cap calculated using publicly traded shares outstanding only. Does not include unlisted, private, or dual-class non-traded shares. Implied market cap may vary.
Since IPO (2026)-68%
5 YearN/A
1 YearN/A
1 Month-33%
$4.47
-4.08%
-0.19Today
Deep Fission last closing stock price
MetricPriceDate
Last closeUSD 4.662026-10-08
Deep Fission stock price return by period
PeriodPrice returnPrice at period startPeriod start date
1 week-10.04%USD 5.182026-10-01
1 month-33.24%USD 6.982026-09-08
3 month-58.06%USD 11.112026-07-10
Since inception-67.99%USD 14.562026-06-18

Deep Fission Financials at a Glance

Market Cap

$274.50MMarket cap calculated using publicly traded shares outstanding only. Does not include unlisted, private, or dual-class non-traded shares. Implied market cap may vary.

Revenue (TTM)

$0.00

Net Income (TTM)

-$106.22M

EPS (TTM)

-$2.42

P/E Ratio

-1.92

Dividend

$0.00

Beta (Volatility)

0.00 (Low)

Price

$4.47

Volume

218,891.794

Open

$4.70

Previous Close

$4.66

Daily Range

$4.47 - $4.77

52-Week Range

$4.47 - $19.00

Estimated Earnings Date

Nov 2, 2026

FISN News

No articles available.

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About Deep Fission

Deep Fission, Inc. is an innovative company focused on providing nuclear energy through underground nuclear reactors. Utilizing clustered boreholes as a containment system, the company aims to revolutionize the energy sector. Founded in 2023 and headquartered in Berkeley, CA, Deep Fission is positioned to lead advancements in sustainable energy solutions.

Products and Services
  • Underground nuclear reactors for energy generation
  • Advanced containment systems using clustered boreholes
  • Research and development in nuclear energy technologies
Growth Outlook
  • Projected market growth in nuclear energy solutions over the next decade
  • Significant investment in R&D, totaling $18.3 million in Q2 2026
  • Strong cash position with $93 million in cash and short-term investments
Financial Highlights
  • Net income of -$31 million in Q2 2026, reflecting ongoing investment in growth
  • Current ratio of 11.47, indicating strong liquidity
  • Cash flow from operating activities of -$28.4 million in Q2 2026
Deep Fission, Inc. operates in the industrial machinery sector, specifically focusing on nuclear energy solutions. The company has made substantial investments in research and development, which are crucial for its long-term growth strategy. Despite reporting a net loss in recent quarters, the strong cash position and high current ratio suggest that the company is well-equipped to navigate its growth phase. The projected market growth in nuclear energy presents a significant opportunity for Deep Fission to capitalize on its innovative technologies. Investors may find the company's commitment to R&D and its strategic positioning within the energy sector noteworthy as it seeks to establish itself as a leader in sustainable energy solutions.
AI Generated • Sep 18, 2026

Industry

Independent Power and Renewable Electricity Producers

Sector

Utilities

Employees

60

CEO

Elizabeth Muller, MBA

Headquarters

Berkeley, CA 94704, US

FISN Financials

Key Financial Metrics (TTM)

Gross Margin

0.00%

Operating Margin

0.00%

Net Income Margin

0.00%

Return on Equity

-177.70%

Return on Capital

-95.95%

Return on Assets

-98.99%

Earnings Yield

-52.08%

Dividend Yield

0.00%

Payout Ratio

0.00%

Stock Overview

Market Cap

$274.50MMarket cap calculated using publicly traded shares outstanding only. Does not include unlisted, private, or dual-class non-traded shares. Implied market cap may vary.

Shares Outstanding

58.91M

Volume

218.89K

Avg. Volume

271.47K

Financials (TTM)

Gross Profit

-$5.73K

Operating Income

-$71.31M

EBITDA

-$70.71M

Operating Cash Flow

-$49.02M

Capital Expenditure

-$93.17K

Free Cash Flow

-$49.11M

Cash & ST Invst.

$93.02M

Total Debt

$56.00K

Deep Fission Performance Analysis

Deep Fission annual revenue and year-over-year revenue growth by fiscal year
Fiscal yearPeriod endRevenueYoY growth
20232023-12-31USD 0N/A
20242024-12-31USD 0N/A
20252025-12-31USD 0N/A
Deep Fission sequential (quarter-over-quarter) revenue growth by fiscal quarter
Fiscal quarterPeriod endQoQ growth
Q32025-09-30N/A
Q42025-12-31N/A
Q12026-03-31N/A
Q22026-06-30N/A
Deep Fission annual diluted earnings per share and year-over-year EPS growth by fiscal year
Fiscal yearPeriod endDiluted EPSYoY growth
20232023-12-31USD -1.50N/A
20242024-12-31USD -0.57-62.0%
20252025-12-31USD -2.41322.8%
Deep Fission sequential (quarter-over-quarter) diluted earnings per share growth by fiscal quarter
Fiscal quarterPeriod endQoQ growth
Q32025-09-30N/A
Q42025-12-3186.0%
Q12026-03-31-94.4%
Q22026-06-30-60.0%

Revenue Growth Rate

Annual and quarterly growth comparison

Currently no data to display.

Earnings Per Share Growth Rate

Annual and quarterly EPS growth comparison

Quarterly Performance

Name
Q2 2026YOY CHG

Revenue

$0.00

N/A

Gross Profit

$0.00

N/A

Gross Margin

0.00%

N/A

Market Cap

$274.50MMarket cap calculated using publicly traded shares outstanding only. Does not include unlisted, private, or dual-class non-traded shares. Implied market cap may vary.

N/A

Market Cap/Employee

$5.38M

N/A

Employees

51

N/A

Net Income

-$31.01M

N/A

EBITDA

-$31.00M

N/A

Quarterly Fundamentals

Name
Q2 2026YOY CHG

Total Cash

$93.02M

N/A

Total Debt

$56.00K

N/A

Accounts Receivable

$0.00

N/A

Inventory

$0.00

N/A

Long Term Debt

$28.00K

N/A

Short Term Debt

$28.00K

N/A

Return on Assets

-98.99%

N/A

Return on Invested Capital

-72.19%

N/A

Free Cash Flow

-$28.44M

N/A

Operating Cash Flow

-$28.41M

N/A

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Questions About FISN

What is the current price of Deep Fission?

Deep Fission is trading at $4.47 per share.

What is the 52-week range for Deep Fission?

Over the past 52 weeks, Deep Fission has traded between $4.47 and $19.00.

How much debt does Deep Fission have?

As of the most recent reporting period, Deep Fission reported total debt of $56.00K.

How much cash does Deep Fission have on hand?

Deep Fission reported $93.02M in cash and cash equivalents in its most recent financial results.

What is Deep Fission’s dividend yield?

Deep Fission does not currently have a dividend yield.

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