As of January 2026 Protagonist Therapeutics has a market cap of โฌ4.30 Billion. This makes Protagonist Therapeutics the world's 3096th 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 8th, 2026 the market cap of Protagonist Therapeutics was reported to be: