As of January 2026 Protagonist Therapeutics has a market cap of โน463.16 Billion. This makes Protagonist Therapeutics the world's 3078th 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 Jan 16th, 2026 the market cap of Protagonist Therapeutics was reported to be: