Quantinuum Inc. announced the pricing of its initial public offering of 28 million shares of Class A common stock at $60.00 per share. The quantum computing company has granted underwriters a 30-day option to purchase up to an additional 4.2 million shares at the IPO price to cover over-allotments.

The shares are expected to begin trading on the Nasdaq Global Market on June 4, 2026 under the ticker symbol "QNT" (NASDAQ: QNT). The offering is expected to close on June 5, 2026, subject to customary closing conditions.

J.P. Morgan and Morgan Stanley are serving as joint lead active book-running managers for the offering. Jefferies and Evercore ISI are also acting as active book-running managers. Additional joint book-running managers include BofA Securities, UBS Investment Bank, Cantor, Mizuho, Needham & Company, Societe Generale and TD Cowen. Craig-Hallum and Rosenblatt are serving as co-managers.

The Securities and Exchange Commission declared the registration statement for the offering effective on June 3, 2026. The offering will be made available only through a prospectus.

Quantinuum describes itself as a quantum computing company that offers a full-stack platform for quantum computing deployment. The company operates from its headquarters in Broomfield, Colorado, with additional facilities in the United States, United Kingdom, Germany, Japan, Qatar and Singapore.