As of September 2026 Quantinuum Inc. has a market cap of ยฃ9.81 Billion. This makes Quantinuum Inc. the world's 1667th most valuable company by market cap according to our data. The market capitalization, commonly called market cap, is the total market value of a publicly traded company's outstanding shares and is commonly used to measure how much a company is worth.
On Sep 7th, 2026 the market cap of Quantinuum Inc. was reported to be: