AI Chip Startup Positron Raises $875M at $5B Valuation

Positron AI, an inference-chip startup whose CTO is former MIRI researcher kmett, raised $875 million in a Series C round at a $5 billion valuation, with backers including NEA, Atreides Management and Hudson River Trading betting on its next-gen AI inference architecture.

2026-09-10 ~ 2026-09-11 · 3 related posts

• Positron raises $875M at a $5B valuation, per WSJ — JacquesThibs · 2026-09-10
• Positron AI Raises $875M Series C at $5B Valuation, Deploying 50+ Atlas Racks at Oracle Cloud — Scobleizer · 2026-09-11
• Hudson River Trading joins Positron's Series C for novel AI inference hardware — iaindunning · 2026-09-11