As of October 2026 Lumentum has a market cap of A$143.03 Billion. This makes Lumentum the world's 233th 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 10th, 2026 the market cap of Lumentum was reported to be: