As of February 2026 Sionna Therapeutics has a market cap of C$2.28 Billion. This makes Sionna Therapeutics the world's 5109th 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 Feb 23rd, 2026 the market cap of Sionna Therapeutics was reported to be: