Quantinuum, the majority‑owned quantum computing subsidiary of Honeywell International, filed a confidential draft registration statement with the U.S. Securities and Exchange Commission on February 17, 2026, marking the first formal step toward a public listing.
The filing follows a $600 million funding round in September 2025 that valued Quantinuum at $10 billion, after an earlier $300 million round in January 2024 that valued the company at $5 billion. The company was formed by the merger of Honeywell Quantum Solutions and Cambridge Quantum Computing and specializes in trapped‑ion quantum processors and integrated software.
The proposed IPO will provide capital to accelerate research and development, expand manufacturing capacity, and offer liquidity to Honeywell shareholders. It also positions Quantinuum as a high‑growth catalyst within Honeywell’s broader portfolio.
Honeywell is executing a portfolio transformation that includes spinning off its Aerospace business in the third quarter of 2026 and selling its Productivity Solutions and Services unit to Brady for $1.4 billion. The Quantinuum filing is part of this strategy to create more focused, industry‑leading public companies.
Vimal Kapur, Chairman and CEO, said, "We concluded 2025 with strong results that exceeded the high end of our guidance for adjusted sales and adjusted EPS. Orders grew 23% stemming from robust demand in the Aerospace Technologies and Energy and Sustainability Solutions segments, including from our LNG acquisition that closed last year. As a result, we exited 2025 with a record backlog of over $37 billion which positions us well for 2026."
Kapur also noted, "During the quarter, we also made considerable progress on our portfolio optimization, with the spin off of Solstice Advanced Materials complete. Building on this momentum, we now expect the separation of our automation and aerospace businesses to be completed in the third quarter of 2026."
He added, "With the PSS divestiture, we are nearing completion of our multi‑year portfolio transformation, further accelerating value creation as we prepare to separate our Aerospace and Automation businesses into two independent industry‑leading public companies. The sale also enables us to continue strengthening our financial and operational focus on the company's core businesses."
Investors view the filing as a step toward unlocking value from the quantum business and a sign of growing interest in quantum computing.
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