Positron AI raises $875 million in Series C financing

Type: Financing · Technology: Data Center · Country: United States · Value: $875M · Announced: 2026-09-14

AI chip startup Positron AI secured $875 million in Series C financing, co-led by NEA, Atreides Management, Valor Equity Partners, Andra Capital, SemiAnalysis Capital, and Jim Clark, resulting in a $5 billion post-money valuation. The round was split into two tranches: a $375 million Series C led by NEA, Andra Capital, Atreides Management, Valor Equity Partners, and SemiAnalysis Capital, and a $500 million Series C-1 led by NEA and Jim Clark. The funds will support the tapeout of the Asimov second-generation chip, the development of a 2MW+ engineering data center, and the production ramp of the Titan inference system. Founded in 2023 in Reno, Nevada, Positron AI is developing energy-efficient hardware for inferencing workloads.

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