As of May 2026 Sionna Therapeutics has a market cap of NZ$3.28 Billion. This makes Sionna Therapeutics the world's 4890th 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 May 5th, 2026 the market cap of Sionna Therapeutics was reported to be: