As of October 2026 Illumina has a market cap of โน4.144 Trillion. This makes Illumina the world's 587th 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 Oct 28th, 2026 the market cap of Illumina was reported to be: