As of July 2026 Atara Biotherapeutics has a market cap of C$0.14 Billion. This makes Atara Biotherapeutics the world's 9571th 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 Jul 3rd, 2026 the market cap of Atara Biotherapeutics was reported to be: