Helion
formerly Helion EnergyBuilding the world's first fusion power plant
Everett, United States · Founded 2013 · $1.5B raised
- Headquarters
- Everett, Washington
- Employees
- 201–500
- Founded
- 2013
- Business Model
- B2B
- Website
- helionenergy.com
- Total Funding
- $1.5B
- Last Round
- $465.0M Series G+Jun 2026
- Rounds
- 6
About
Helion is creating the world’s first fusion power plant, enabling a future with unlimited zero-carbon electricity.
Summary
Helion is a Clean Energy company based in Everett, United States, founded in 2013. It has raised $1.5B in total across 6 rounds, most recently a $465.0M Series G+ round in Jun 2026. Investors include Thrive Capital, Nucor and Sam Altman.
Tech & App Stack
6 technologies & apps tracked
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Funding History
Jun 2026
Sign up to see all 6 rounds
Series C through Series G+ — per-round amounts, valuations, and who invested in each round.
Investors
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