As of February 2026 iRhythm (ZIO) has a market cap of โน398.15 Billion. This makes iRhythm (ZIO) the world's 3398th 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 24th, 2026 the market cap of iRhythm (ZIO) was reported to be: