Quantinuum opened trading on Nasdaq at $68 per share, 13.3% above its IPO price of $60, achieving a market valuation of $17.63 billion.
The company sold 28 million Class A common shares at $60, raising $1.68 billion; the offering size and price range were increased from an initial plan of 21 million shares at $45‑$50 to 26.5 million at $53‑$55 before final terms.
J.P. Morgan and Morgan Stanley acted as joint lead active book‑running managers; Jefferies and Evercore ISI were active book‑running managers, with additional joint managers including BofA Securities, UBS Investment Bank, Cantor, Mizuho, Needham & Company, Societe Generale, TD Cowen, and co‑managers Craig‑Hallum and Rosenblatt.
Quantinuum, a quantum computing firm with a full‑stack platform, is headquartered in Broomfield, Colorado, with facilities in the United States, United Kingdom, Germany, Japan and Singapore, and is a spinoff of Honeywell, which retains majority control.
