As of September 2026 KLA has a market cap of C$323.95 Billion. This makes KLA the world's 77th 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 Sep 20th, 2026 the market cap of KLA was reported to be: