Quantum Companies Database
Quantinuum
Quantinuum, formed from the 2021 merger of Honeywell Quantum Solutions and Cambridge Quantum, builds trapped-ion quantum computers using a quantum charge-coupled device (QCCD) architecture and has repeatedly set records for two-qubit gate fidelity. The company completed its initial public offering on the Nasdaq in June 2026.
Founded
2021 (merger of Cambridge Quantum and Honeywell Quantum Solutions)
CEO
Rajeeb (Raj) Hazra
Headquarters
Broomfield, Colorado, USA
Technology
Trapped-ion qubits (QCCD architecture)
Funding
Publicly traded (Nasdaq: QNT); completed IPO June 2026
Products
- System Model H2
- System Model H1
- TKET (quantum software development kit)
Latest News
- Quantinuum completes Nasdaq IPO under ticker QNT — 2026