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Helion Energy

Valuation
$16B
Basis and date
Reported valuation · Jun 1, 2026
Rank by valuation
#29
Sector · country
title=Fusion Startup Helion Nearly Triples Valuation to $15.5 Billion in Thrive-Led Round · url=https: / / www.theinformation.com / articles / fusion-startup-helion-nearly-triples-valuation-15-5-billion-thrive-led-round
Employees
800

Valuation history

DateBasisValuationSource
Jun 1, 2026Reported valuation$16B—

The latest reported valuation, with the report it came from.

Funding rounds filed with the SEC

First saleAmount soldOffering sizeInvestorsSecurity
Jun 19, 2015$11M$21M6Equity
Jul 29, 2014$1M$1M3Equity

From the company’s Form D notices (SEC filings ↗). Form D reports the amount sold, not the valuation or the investors’ names.

Executives and directors

  • {{unbulleted list (Wikipedia)
  • David Kirtley · Executive Officer, Director (SEC Form D)

Founders

website=The Information

IPO status

Not on the IPO Calendar.

Valuations are point-in-time marks, not trading prices, and private shares are not generally available to retail investors. Data: Wikipedia’s list of unicorn startup companies and the company’s article (CC BY-SA 4.0), and SEC Form D filings, company article. Last updated Nov 13, 2026. This is historical data, not investment advice. Report a data error