As of October 2026 Leidos has a market cap of S$18.94 Billion. This makes Leidos the world's 1458th 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 2nd, 2026 the market cap of Leidos was reported to be: