This is the first-ever IPO of a quantum computing company

Davis Polk advised the representatives of the several underwriters in connection with the initial public offering of 28,000,000 shares of Class A common stock of Quantinuum Inc. The underwriters have a 30-day option to purchase up to an additional 4,200,000 shares of Class A common stock from Quantinuum. The Class A common stock is listed on the Nasdaq Global Market under the ticker symbol “QNT.” This is the first-ever IPO of a quantum computing company.

Quantinuum is a leading quantum computing company offering a full-stack platform designed to make quantum computing deployable in real-world environments. The company has commercially deployed multiple generations of quantum systems built on the well-established QCCD architecture, which it has implemented with novel designs and capabilities to achieve the industry’s highest accuracy levels based on average two-qubit gate fidelity as of December 31, 2025. Quantinuum has active engagements with market leaders across pharmaceuticals, material science, financial services, and government and industrial markets. Quantinuum is headquartered in Broomfield, Colorado, with additional facilities across the United States, United Kingdom, Germany, Japan, Qatar and Singapore.

The Davis Polk capital markets team included partners John B. Meade and Yasin Keshvargar, counsel Claudia Carvajal Lopez and associates Jared A. Bivens and Ding Yuan. Partner Frank Azzopardi and associate Nazli Ungan provided intellectual property advice. Counsel Dustin Plotnick and associate Omar Hersi provided tax advice. Counsel Marcie A. Goldstein provided FINRA advice. All members of the Davis Polk team are based in the New York office.

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