Quantinuum
Quantinuum (QNT) is a publicly traded Trapped-Ion Qubits company founded in 2021 and based in Broomfield, United States.
Quantinuum, formed from the merger of Honeywell Quantum Solutions and Cambridge Quantum, builds trapped-ion systems and quantum software. Quantinuum demonstrated logical qubit error rates below physical in 2024 and partners with JPMorgan Chase, BMW, and Airbus. The company is backed by Honeywell, JPMorgan, and Mitsui.
The company achieved the highest quantum volume on record and went public on Nasdaq (QNT) on June 4, 2026, raising $1.68B at a $15.6B valuation — the largest quantum computing IPO to date.
quantinuum.com ↗·Trapped-Ion Qubits·
United States·public · QNT 
