As of October 2026 Quantinuum Inc. has a market cap of A$15.84 Billion. This makes Quantinuum Inc. the world's 1861th 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 Oct 7th, 2026 the market cap of Quantinuum Inc. was reported to be: