Helion raises $465m Series G at $15.5bn valuation
4 June 2026

Lead investors: Thrive Capital
Fusion approach: Field Reversed Configuration, Magnetic Confinement
Country/Region: USA
Tags: Alta Park Capital, Anti Fund, Bill Ford, BoxGroup, Capricorn Technology Impact Funds, Good Ventures Foundation, Helion Energy, Lightspeed Venture Partners, Lux Capital, Mithril Capital, Omega, Orion, Peak XV Partners, Polaris, SoftBank Vision Fund 2, Thrive Capital

