As of December 2025 IonQ has a market cap of โน1.484 Trillion. This makes IonQ the world's 1303th 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 Dec 18th, 2025 the market cap of IonQ was reported to be: