Milestone note Jun 4, 2026
Quantinuum debuts in IPO
Quantinuum made its public-market debut via IPO — its first listed valuation print.
Quantinuum made its public-market debut via IPO — its first listed valuation print.
Who's involved
Honeywell-backed trapped-ion leader (Honeywell QS + Cambridge Quantum); Helios system. Went public on Nasdaq (QNT) in June 2026, raising $1.68B at a ~$15.7B market value — the quantum industry's first mega-IPO.
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