As of September 2026 Ionis Pharmaceuticals has a market cap of S$9.91 Billion. This makes Ionis Pharmaceuticals the world's 2418th 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 16th, 2026 the market cap of Ionis Pharmaceuticals was reported to be: