As of September 2026 X4 Pharmaceuticals has a market cap of C$0.56 Billion. This makes X4 Pharmaceuticals the world's 7990th 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 Aug 31st, 2026 the market cap of X4 Pharmaceuticals was reported to be: