Quantinuum, the Honeywell-backed quantum computing company, has filed for a Nasdaq IPO targeting a valuation above $20 billion. The company reported $30.9M in 2025 revenue and $192.6M in net losses, representing a 600x revenue multiple. Its current flagship system is Helios, with a universal fault-tolerant machine called Apollo planned for 2029. Q1 2026 financials were notably weak, with revenue dropping to $5.2M from $19.1M a year prior. The IPO would be the largest quantum computing listing to date, setting a valuation benchmark for the sector. Customers include BMW, Airbus, and JPMorgan, though all engagements remain research partnerships rather than production deployments. The offering is essentially a bet that public markets will price the company on the promise of technology that doesn't yet work at commercial scale.
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