Insider Brief
In the first ever traditional IPO offering, Quantinuum filed for a U.S. IPO that could raise up to $1.05 billion and value the Honeywell-backed quantum computing company at roughly $12.7 billion, according to SEC filings, Reuters and other financial media outlets.
The prospectus illuminates and confirms that founding shareholders Honeywell and Cambridge Quantum Holdings will retain around 82% of the company’s equity after the IPO,
According to the SEC filing, Quantinuum reported $30.9 million in 2025 revenue, $79.3 million in bookings and a net loss of $192.6 million as it continued investing in quantum computing research and development.
Quantinuum is set to raise up to $1.05 billion in what is the world’s first traditional initial public offering that would rank as the largest listings yet for a quantum computing company, according to updated SEC filings released today (May 26). Traditional IPOs are more onerous than other routes to market such as through special purpose acquistion companies (SPACs) and tend to appeal to long only institutional investors.
