private · GB · Cambridge

Quantinuum

aka Honeywell Quantum Solutions, Cambridge Quantum, Cambridge Quantum Computing

computing · ion_trap

Formed by 2021 merger of Honeywell Quantum Solutions and Cambridge Quantum Computing; Honeywell retains majority stake. Quantum Origin QRNG product. Honeywell announced on 2026-04-23 that Quantinuum confidentially submitted a draft S-1 to the SEC on 2026-02-17 and that Honeywell expects to deconsolidate Quantinuum's results beginning in Q2 2026. On 2026-05-08 the S-1 was publicly filed (SEC accession 0001628280-26-032836, CIK 0002110105, Delaware-incorporated, principal place of business Broomfield, Colorado) with proposed listing on Nasdaq Global Select under ticker QNT; J.P. Morgan and Morgan Stanley joint lead book-running managers, with Jefferies and Evercore ISI additional active book-runners. Number of shares and price range not yet specified.

Founded 2021 First tracked 2026-04-24

EVENT TIMELINE View all 5 events involving Quantinuum →

2026-05-088M&A · IONQuantinuum publicly files Form S-1 for Nasdaq IPO under ticker symbol QNT, with J.P. Morgan and Morgan Stanley as joint lead book-running managersCAL·1

2026-05-088M&A · IONQuantinuum publicly files S-1 with the SEC for a proposed Nasdaq IPO under ticker QNT, targeting >$20B valuation; Q1 2026 revenue disclosed at $5.2M from $19.1M YoYCAL·1

2026-05-088FUNDING · IONQuantinuum publicly files Form S-1 for Nasdaq IPO under ticker QNT, FY2025 net revenue $30.9M and $677M cash; J.P. Morgan and Morgan Stanley joint lead bookrunnersCAL·1

2026-05-056PARTNERSHIP · IONQuantinuum and BMW Group extend their materials-science quantum partnership across the Helios → Sol → Apollo system roadmapCAL·1

2026-04-237M&A · COMPHoneywell confirms Quantinuum confidentially filed an S-1 for IPO and expects Q2 2026 deconsolidation as part of portfolio reshapingCAL·1