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QuantinuumHoneywell-majority trapped-ion leader (Helios) with industry-leading fidelities and the field-leading error-corrected logical-qubit count. Formed from the merger of Honeywell Quantum Solutions and Cambridge Quantum.
Helios (2026)-Helios (2026)
2021 (H1)-2030 (Apollo, target)
2021 (H1)-2025 (H2)
| Target year | Physical qubits | Logical qubits | 2Q gate errors per 10k | |
|---|---|---|---|---|
| Helios | 2,025 | 98 | 48 | 8 |
| Sol | 2,027 | 200 | 2 | |
| Apollo | 2,030 | 1,000 | 100 | 1 |
$QNT
Honeywell-majority trapped-ion leader (Helios, 98 all-to-all qubits, 48 error-corrected logical qubits) with industry-leading fidelities. IPO'd in June 2026 at roughly $15.7B, the first major pure-play quantum IPO.