As of February 2026 Atara Biotherapeutics has a market cap of C$47.88 Million. This makes Atara Biotherapeutics the world's 9963th 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 4th, 2026 the market cap of Atara Biotherapeutics was reported to be: