As of August 2026 Spero Therapeutics has a market cap of A$99.02 Million. This makes Spero Therapeutics the world's 10079th 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 21st, 2026 the market cap of Spero Therapeutics was reported to be: