As of December 2025 Illumina has a market cap of S$25.71 Billion. This makes Illumina the world's 1110th 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 Dec 16th, 2025 the market cap of Illumina was reported to be: