Last night’s biggest quantum listing: a deep dive into Quantinuum’s 100 billion valuation

▤ Summary

Quantinuum’s Nasdaq listing and soaring valuation put quantum computing back in the spotlight. The company raised $1.68 billion in its IPO and reached a market value above $15 billion. The article frames the move as a sign that investors are betting on quantum computing commercialization even though the technology remains early and technically uncertain. It also highlights Quantinuum’s software and security roots, its upcoming commercial systems, and broader momentum across the quantum sector.

▦ Linked Companies

Honeywell International Inc.

$1B+

Quantinuum LLC

$50M to $100M