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Cambridge-based quantum startup Nu Quantum, led by Dr. Carmen Palacios-Berraquero, has raised $60 million in December 2025, marking one of the largest Series A rounds in UK deep tech. The funding aims to develop photonic quantum networking hardware essential for scaling quantum computing.

This round is notable as it is the largest financing for a pure-play quantum networking company and the largest quantum Series A in the UK to date. The round was led by National Grid Partners with participation from Gresham House Ventures and Morpheus Ventures.

The significant investment indicates a shift in investor confidence towards female-led ventures in capital-intensive sectors. Nu Quantum, founded in 2018, focuses on addressing scalability challenges in quantum computing by linking separate systems into distributed architectures.