As of September 2026 Phathom Pharmaceuticals has a market cap of C$0.84 Billion. This makes Phathom Pharmaceuticals the world's 7323th 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 Sep 21st, 2026 the market cap of Phathom Pharmaceuticals was reported to be: