As of February 2026 IonQ has a market cap of ยฃ8.41 Billion. This makes IonQ the world's 1866th 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 Feb 23rd, 2026 the market cap of IonQ was reported to be: