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Funding
Helion, the Sam Altman-backed fusion startup, raises $465M to build a power plant for Microsoft
Summary
Fusion startup Helion is racing to complete a power plant for Microsoft by 2028. A fresh infusion of cash should help with that.
Why It Matters
Signals increasing investor interest and capital allocation in AI startups.
Referenced Coverage & Sources
Helion, the Sam Altman-backed fusion startup, raises $465M to build a power plant for Microsoft
TechCrunch Startups•Jun 4, 2026
Reid Hoffman is leaving Microsoft's board to go 'founder mode' with startup Manas
TechCrunch Venture•Jun 5, 2026
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