MoneyThe story, in brief
Quantinuum stock opens at $68 per share after IPO
$68/share. Honeywell's quantum computing bet just went public—and retained majority control.
The KeyNews take
Why it matters
Quantinuum's IPO at $68/share marks a major liquidity event for quantum computing infrastructure, a critical (if nascent) pillar of the AI compute stack. Honeywell's retained majority stake signals confidence in quantum-classical hybrid systems as essential to next-gen AI workloads.
The key facts
5 to knowQuantinuum IPO opening price: $68/share
Honeywell retains majority stake post-IPO
Honeywell continues as strategic customer and partner
IPO date: June 4, 2026
Quantum computing infrastructure play relevant to AI infrastructure investment thesis
Go to the source
CNBC Technologycnbc.com
Publisher excerpt: Honeywell will retain a majority stake in Quantinuum and will continue to be a strategic customer and partner following the listing.