Positron AI Raises $875M at $5B Valuation
Positron AI raised $875 million in a two‑tranche Series C that values the company at $5 billion and will fund the tapeout of its Asimov memory‑first chip and the production ramp of Titan, as well as expanding manufacturing for its Atlas system deployed at Oracle Cloud. The round, co-led by NEA, Atreides Management, Valor Equity Partners, Andra Capital, SemiAnalysis Capital, and Jim Clark, will also add new board members and accelerate LPDDR5X‑based memory bandwidth‑focused inference hardware designed for air‑ and liquid‑cooled data centers.
Tech · 7 sources · Sep 10, 2026Read itThe journal
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About James H. Clark
James Henry Clark is an American entrepreneur and computer scientist. He founded several notable Silicon Valley technology companies, including Silicon Graphics, Netscape, myCFO, and Healtheon. His research work in computer graphics led to the development of systems for the fast rendering of three-dimensional computer images.
Everything about James H. Clark →- Occupation
- computer scientist, engineer, businessperson, entrepreneur
- Citizenship
- United States
- Born
- March 23, 1944