Helion Energy

Helion Energy

Helion Energy is a nuclear-fusion startup focused on developing the world's first fusion power plant to deliver electricity to the grid. The company aims to provide a clean and virtually limitless energy source by harnessing the power of nuclear fusion, which has the potential to reshape the energy landscape as demand for electricity surges, particularly from AI-driven data centers.

Total raised
$465M
tracked to date
Latest round
Series G
Jun 5, 2026
Known investors
7
led by Thrive Capital
Press coverage
2
outlets tracked

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🏆 Featured in Datapile’s Q2 2026 USA Funding Report

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Funding history

  1. 1
    $465MSeries GJun 5, 2026

    Led by Thrive Capital

    Announcement ↗

Founder

Sam Altman
Sam Altman
Chairman

Investors in Helion Energy

Backers from this company's tracked funding rounds.

  • TThrive CapitalLead investorVC firm
  • AAlta Park CapitalVC firm
  • AAnti FundVC firm
  • BBoxGroupVC firm
  • LLux CapitalVC firm
  • PPeak XV PartnersVC firm
  • BBill FordAngel

Helion Energy in the news

Coverage of this company's funding, tracked by Datapile.

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