As of December 2025 IonQ has a market cap of A$27.40 Billion. This makes IonQ the world's 1209th 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 22nd, 2025 the market cap of IonQ was reported to be: