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Deep Fission(NASDAQ) FISN

Market Cap$420.00MMarket 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)-43%
5 YearN/A
1 YearN/A
1 Month-31%
$7.11
-13.82%
-1.14Today
After hours$7.20+$0.09 (+1.27%)
Deep Fission last closing stock price
MetricPriceDate
Last closeUSD 7.132026-08-24
Deep Fission stock price return by period
PeriodPrice returnPrice at period startPeriod start date
1 week-12.19%USD 8.122026-08-17
1 month-30.51%USD 10.262026-07-24
Since inception-43.34%USD 14.562026-06-18

Deep Fission Financials at a Glance

Market Cap

$420.00MMarket 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

-2.94

Dividend

$0.00

Beta (Volatility)

0.00 (Low)

Price

$7.11

Volume

1,782

Open

$8.20

Previous Close

$7.13

Daily Range

$7.03 - $8.21

52-Week Range

$7.03 - $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 with sustainable solutions. Founded in 2023 and headquartered in Berkeley, CA, Deep Fission is positioned to make significant strides in the industrial machinery industry.

Products and Services
  • Underground nuclear reactors for sustainable energy production
  • Advanced containment systems using clustered boreholes
  • Research and development in nuclear energy technologies
Growth Outlook
  • Projected increase in demand for sustainable energy solutions
  • Significant investments in research and development initiatives
  • Expansion plans targeting new markets and applications
Financial Highlights
  • Recent quarterly net income of -$31 million, reflecting ongoing investment in growth
  • Cash and cash equivalents of $93 million, providing a strong liquidity position
  • Trailing twelve months (TTM) cash flow coverage ratio indicates robust financial management
Deep Fission, Inc. is at the forefront of a transformative approach to energy production. The company's focus on underground nuclear reactors positions it uniquely within the industrial machinery sector, catering to the growing demand for sustainable energy solutions. With a solid cash position and ongoing investments in research and development, Deep Fission is poised for future growth. The recent financial data highlights the company's commitment to innovation, despite current net income losses, which are typical for companies in the early stages of development. As the energy landscape evolves, Deep Fission's strategic initiatives may offer significant opportunities for expansion and market penetration.
AI Generated • Aug 19, 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

-34.01%

Dividend Yield

0.00%

Payout Ratio

0.00%

Stock Overview

Market Cap

$420.00MMarket 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

1.78K

Avg. Volume

267.24K

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

$420.00MMarket 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

$8.24M

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 $7.13 per share.

What is the 52-week range for Deep Fission?

Over the past 52 weeks, Deep Fission has traded between $7.03 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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