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Nvidia’s $600 Million Quantum Computing Bet: Time to Buy Rigetti, IonQ, or D-Wave?

Quantinuum secured $600 million from 35 investors led by Nvidia's venture arm, doubling its valuation to $10 billion to fund the Helios system launch and universal fault-tolerant computing.

  • Thursday, Honeywell said Quantinuum raised approximately $600 million in equity at a $10 billion pre-money valuation, disclosed on 09/04/2025.
  • Funding aims to support the Helios launch later this year, and Honeywell said the fundraising will capitalize Quantinuum ahead of an intended spin-off and possible IPO in 2027.
  • New and existing backers reinvested in the round, including NVentures and Quanta Computer, as Quantinuum disclosed last week that 35 unnamed investors participated with J.P. Morgan Securities LLC as exclusive placement agent.
  • For Honeywell shareholders, the $600 million raise establishes a market-validated benchmark for Quantinuum, and Honeywell's about 54% stake positions investors to capture upside in spin-offs and an IPO.
  • Quantinuum's trapped-ion quantum technology yields extended coherence, while partnerships with NVIDIA aim to integrate classical high-performance computing accelerating chemistry and drug discovery applications.
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PR Newswire broke the news in United States on Thursday, September 4, 2025.
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