Quantinuum closes $1.68 billion IPO at $60 per share

Quantinuum Inc. (NASDAQ: QNT) completed its initial public offering of 28 million shares of Class A common stock at $60 per share, the quantum computing company announced. The offering generated gross proceeds of $1.68 billion before underwriting discounts and other expenses.

The company's shares began trading on the Nasdaq Global Market under the ticker symbol "QNT." The Securities and Exchange Commission declared the registration statement effective on June 3, 2026.

J.P. Morgan and Morgan Stanley served as joint lead active book-running managers for the offering. Jefferies and Evercore ISI acted as additional active book-running managers, while BofA Securities, UBS Investment Bank, Cantor, Mizuho, Needham & Company, Societe Generale and TD Cowen served as joint book-running managers. Craig-Hallum and Rosenblatt acted as co-managers.

Quantinuum develops quantum computing systems based on what it describes as the QCCD architecture. The company operates facilities in the United States, United Kingdom, Germany, Japan, Qatar and Singapore, with headquarters in Broomfield, Colorado.

The company serves clients in pharmaceuticals, material science, financial services, and government and industrial markets, according to the press release statement.

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