On May 11, 2026 we reported on the first public S-1 filing that Quantinuum submitted to the U.S. Securities and Exchange Commission (SEC) that provided much detail on the company’s technology and operations. Previously, the company announced it had submitted a confidential S-1 in April. In the first public S-1 filing, much of the financial information related to the IPO including valuation, share price, and other important items had not yet been determined and were not included in the document. Now, the company has just submitted an amended S-1A filing that does include this information. We have determined the most significant [...]

Quantinuum filed its S-1 to raise up to $1.05B in a Nasdaq IPO under ticker QNT, targeting a valuation above $20B in quantum computing's first major traditional listing.

Quantinuum filed for a U.S. IPO that could raise up to $1.05 billion and value the Honeywell-backed quantum computing company.