Honeywell's Quantinuum Plans Confidential IPO Filing with SEC
Honeywell announced plans for its majority-owned quantum computing unit, Quantinuum, to confidentially file for an initial public offering (IPO) with the U.S. Securities and Exchange Commission. Specific details regarding the number of shares and price range for the IPO have yet to be determined.
Following the announcement, Honeywell's shares rose approximately 1.7% in premarket trading. Quantinuum previously raised $600 million in 2025, achieving a valuation of $10 billion, and $300 million in January 2024 at a valuation of $5 billion. The company, formed in 2021 from the merger of Honeywell Quantum Solutions and Cambridge Quantum Computing, specializes in quantum computing technology and serves clients including Airbus, BMW Group, HSBC, and JPMorgan Chase.