As of January 2026 Sionna Therapeutics has a market cap of ยฃ1.30 Billion. This makes Sionna Therapeutics the world's 4971th 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 9th, 2026 the market cap of Sionna Therapeutics was reported to be: