Helion, the Sam Altman-backed fusion startup, raises $465M to build a power plant for Microsoft

TechCrunch Startups Startups & Funding 06/05/2026, 02:54 Score 7/10

Summary

TechCrunch Startups published: Helion, the Sam Altman-backed fusion startup, raises $465M to build a power plant for Microsoft

StartupFunding

News Radar provides aggregated summaries. Full content and copyright remain with the original publisher.