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Deep Fission Files for Nasdaq IPO Seeking Up to $157 Million

Deep Fission filed an S-1 on May 20 seeking a Nasdaq IPO that could raise $157 million at $24 to $26 per share. The filing shows the company has increased its accumulated deficit and faces a going-concern warning if the offering is not completed.

TechCrunch
1 source·May 23, 2:50 PM(6 days ago)·1m read
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Deep Fission Files for Nasdaq IPO Seeking Up to $157 Millioninterestingengineering.com
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Deep Fission filed an S-1 registration statement on May 20 for a Nasdaq IPO that could raise up to $157 million at a price range of $24 to $26 per share. 66 billion. The company plans to use the proceeds to develop underground nuclear reactors intended to supply power to AI data centers.

It previously completed a reverse merger with Surfside Acquisition in September that raised $30 million but did not result in active public trading of its shares.

2 million in December. 4 million, or about 7 percent, in the most recent six-week period. The S-1 repeats a going-concern warning stating that the company could exhaust its cash within 12 months if the IPO is not completed.

The company began drilling the first of three test wells in March. The wells are eight inches in diameter and will reach depths of up to 6,000 feet to collect geological data. Deep Fission has not provided a revised date for achieving criticality after previously targeting July 2026.

It stated that commercial-scale boreholes would need to be 30 to 50 inches in diameter and approximately one mile deep. The company received an $80 million equity investment that included $20 million from data center developer Blue Owl, which also signed a non-binding memorandum of understanding for future power supply.

Key Facts

$157 million
maximum amount sought in Nasdaq IPO
$88.1 million
accumulated deficit reported as of March
March
month drilling of first test well began
$80 million
equity investment received since December filing

Story Timeline

4 events
  1. September

    Deep Fission completed reverse merger with Surfside Acquisition and raised $30 million.

    1 sourceTechCrunch
  2. December

    Company filed earlier S-1 targeting criticality by July 2026.

    1 sourceTechCrunch
  3. March

    Deep Fission began drilling first of three test wells.

    1 sourceTechCrunch
  4. May 20

    Deep Fission filed new S-1 for Nasdaq IPO seeking up to $157 million.

    1 sourceTechCrunch

Potential Impact

  1. 01

    If the IPO is completed, Deep Fission would receive up to $157 million in new capital.

  2. 02

    Failure to complete the IPO would leave the company with roughly 12 months of operating cash.

  3. 03

    Successful drilling results could allow the company to finalize commercial borehole dimensions.

Transparency Panel

Sources cross-referenced1
Confidence score75%
Synthesized bySubstrate AI
Word count223 words
PublishedMay 23, 2026, 2:50 PM
Bias signals removed1 across 1 outlet
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