As of January 2026 Leidos has a market cap of A$36.62 Billion. This makes Leidos the world's 982th 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 Jan 14th, 2026 the market cap of Leidos was reported to be: