companies
Quantinuum
Builds trapped-ion quantum computers and develops quantum software, including tools and applications for quantum computing.
Quantinuum was formed in 2021 by combining Honeywell Quantum Solutions, which developed trapped-ion hardware, and Cambridge Quantum, a quantum software company. Cambridge Quantum’s founder, Ilyas Khan, became Quantinuum’s founding CEO. The company develops quantum computers and software. Its product portfolio includes trapped-ion systems, developer tools and software for areas including chemistry and cybersecurity. In January 2024, Honeywell announced the closing of a $300 million equity funding round for Quantinuum. Quantinuum completed its IPO on June 5, 2026, and its Class A shares trade on Nasdaq under QNT. Quantinuum is a public, full-stack quantum-computing company. On October 19, 2026, it reported a logical-fidelity result on its Helios computer as part of its work toward fault-tolerant quantum computing.
- Founded
- 2021
- Headquarters
- Broomfield, United States
- Sector
- computers
Key people
- Ilyas Khan — Founder of Cambridge Quantum; CEO of the new Quantinuum at its formation
- Dr. Rajeeb “Raj” Hazra — President, Chief Executive Officer and Director
- Nitesh Sharan — Chief Financial Officer
- Larry Stack — Chief Commercial Officer
- Kevin Dehoff — Chief Strategy Officer and General Manager of Quantinuum Consulting Services
Tools
Qubit Tracker
- Helios — 5 November 2025