Quantinuum (QNT Proposed) disclosed the terms for its $1 billion IPO and launched the deal early today – Tuesday, May 26, 2026 – to get the IPO party started for June. The company is offering 21.05 million shares at a price range of $45.00 to $50.00 to raise $1 billion, if priced at the $47.50 mid-point of its range. Quantinuum would have a market cap of $12.06 billion at pricing – if priced at the $47.50 mid-point.
Bankers expect to price Quantinuum’s IPO next week. (Please see the IPO Calendar for the date.)
J.P.Morgan and Morgan Stanley are the joint lead active book-running managers.
Jefferies and Evercore ISI are the active book-runners, according to the prospectus.
BofA Securities, UBS Investment Bank, Cantor, Mizuho, Needham & Company, Societe Generale and TD Cowen are joint book-runners, the prospectus said.
Quantinuum, based in Broomfield, Colorado, is a developer of quantum computing systems and software. The company was carved out of Honeywell, the prospectus said. Quantinuum is intended to commercialize quantum technology for enterprise and government use.
Quantinuum was formed in 2021 through the combination of Honeywell Quantum Solutions and Cambridge Quantum, uniting innovative quantum hardware expertise with advanced quantum software capabilities, according to the prospectus.
“As a controlled affiliate of Honeywell, we inherited discipline and a culture of execution while benefiting from world-class infrastructure, supply-chain relationships and management expertise,” the prospectus said. “Honeywell has served as both a testing ground for our tools and as an early customer, deploying our solutions in its products. Honeywell has indicated its intent to remain a strategic customer and partner following this offering.”
Quantinuum is not profitable: Net loss of $192.6 million on revenue of $30.9 million for the 12 months that ended Dec. 31, 2025, according to financial statements in the prospectus.
(For more information about this company, please check the IPO Calendar and the individual IPO Profile found on the IPOScoop.com website.)
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