Quantum company
Quantinuum
Integrated quantum computing company combining hardware, software and cybersecurity.
Technology
Quantinuum was formed in November 2021 by the combination of Honeywell Quantum Solutions and Cambridge Quantum, and is headquartered in Broomfield, Colorado. It raised about $600M at a $10B pre-money valuation in September 2025, then completed a traditional IPO on Nasdaq (QNT) in June 2026 with $1.7B in gross proceeds.
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