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Q.ANT Reaches $80 Million With Second Series A Close as Duquesne Family Office Invests

The investment backs Q.ANT’s effort to commercialize light‑based co‑processors for more energy‑efficient AI infrastructure.

Overview

  • Q.ANT closed a second tranche of its Series A, taking total funding to $80 million with new backing from Stanley F. Druckenmiller’s Duquesne Family Office.
  • This financing is described as the largest photonic computing raise in Europe, according to the company and Tech Funding News.
  • The company says the capital will accelerate commercialization, advance its photonic processor roadmap, and support expansion into the U.S. market.
  • Sue Meng, a managing director at Duquesne Family Office, has been named an observer to Q.ANT’s advisory board.
  • Q.ANT reports operating a thin‑film lithium niobate pilot line with IMS CHIPS, shipping Native Processing Servers to selected partners, and scaling manufacturing on a repurposed 1990s CMOS line, while its efficiency claims remain company‑reported and not independently verified.