As of June 2026 Lumentum has a market cap of โน6.236 Trillion. This makes Lumentum the world's 379th 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 Jun 19th, 2026 the market cap of Lumentum was reported to be: