Quantinuum

Quantinuum, founded in 2021 and headquartered in Broomfield, Colorado, has raised approximately $900 million in funding from strategic and venture investors, including a major $600 million Series B round in 2025 led by NVentures, Quanta Computer, and QED Investors at a valuation near $10–11 billion. The company develops full-stack quantum computing hardware, software, and middleware to enable commercial applications across optimization, materials science, cryptography, and artificial intelligence. With backing from institutional partners and technology leaders, Quantinuum continues scaling its systems and accelerating quantum adoption for enterprise and research use cases.