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Quantinuum Raises $600 Million at $10 Billion Valuation as Nvidia Joins Investor Roster

The Honeywell-controlled company adds Nvidia as a first-time backer to prepare for a possible spinoff with an IPO target around 2027.

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A smartphone with a displayed NVIDIA logo is placed on a computer motherboard in this illustration taken March 6, 2023. REUTERS/Dado Ruvic/Illustration/ File Photo
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(Quantinuum)

Overview

  • Quantinuum confirmed a $600 million financing that values the company at $10 billion, with a filing noting participation from 35 investors including Nvidia’s venture arm.
  • Honeywell remains the majority shareholder at roughly 52%–54% ownership and took part in the round.
  • Honeywell has said the new capital is intended to support technical milestones in 2025–26 as it readies the business for a potential spinoff and public listing.
  • The raise follows a $300 million round in January 2024 at about a $5 billion pre-money valuation, representing a significant step-up.
  • Quantinuum develops a full hardware-to-software stack using trapped-ion technology for customers such as JPMorgan and HSBC, as Nvidia expands collaboration through its Boston Accelerated Quantum Research Center and related software.