Oxford Quantum Circuits, a UK-based startup building and deploying quantum computers, has raised a $350M Series C led by Bullhound Capital Sifted 2026-06-03 Daphné Leprince-Ringuet Oxford Quantum Circuits Related Coverage Oxford Quantum Circuits lands “coming-of-age” £260M funding round Tech.eu · John Reynolds OQC Raises £260 Million in Series C The Quantum Insider · Matt Swayne OQC closes £260m Series C in Europe's largest ever private quantum funding round Capacity · Saf Malik OQC raises £260m in Europe's largest private quantum round UKTN · Kirstie Pickering OQC raises £260M: Europe's biggest quantum round ever as Britain commits £2B to win the global quantum race Tech Funding News · Abhinaya Prabhu