As of September 2026 Quantinuum Inc. has a market cap of A$3.10 Billion. This makes Quantinuum Inc. the world's 4821th 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 Aug 31st, 2026 the market cap of Quantinuum Inc. was reported to be: