Company intelligence

Helion

Develops nuclear fusion technology aiming to generate commercial electricity.

EnergyEverett, Washington, USAFounded 2013Founders: David Kirtley, John Slough, Chris Pihl, George Votroubek
Last verified Jun 2026

Key Metrics

Valuation
$15.5B
As of Jun 2026Mining.com
Total funding
$1.5B

Company Snapshot

Helion is a Energy company, based in Everett, Washington, USA, founded 2013 by David Kirtley, John Slough, Chris Pihl, George Votroubek. Latest valuation $15.5B (As of Jun 2026, Mining.com). Total funding $1.5B (As of Jun 2026).

Recent changes

  1. Jun 2026Raised $465M Series G at a $15.5B valuation Mining.com
  2. Jun 2026First reported total funding: $1.5B Bing News search summary of Series G coverage
  3. Jun 2026First reported valuation: $15.5B Mining.com
  4. Jun 2026New investor: Thrive Capital Mining.com
  5. Jan 2025Raised $425M Series F at a $5.4B valuation Wikipedia

Funding History

2 events · sources dated per row
DateEventAmountValuationInvestorsSource
Jun 1, 2026Series G$465M$15.5B
outlined = lead
Mining.com
Jan 1, 2025Series F$425M$5.4B
SoftBank Vision Fund 2
Wikipedia

Investors

Latest Pulse

  1. 18 Fusion Startups Have Now Raised Over $100M EachAt least 18 fusion-energy companies have raised more than $100 million each in private capital, led by Commonwealth Fusion Systems at roughly $3.94 billion and Helion at $3.2 billion in committed capital.

Coverage Timeline

newest first
  1. FUNDING18 Fusion Startups Have Now Raised Over $100M Each

All Coverage

Value Add Research

Related Companies

More on HelionFusion Energy Timeline
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