As of December 2025 KLA has a market cap of HK$1.244 Trillion. This makes KLA the world's 121th 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 Dec 7th, 2025 the market cap of KLA was reported to be: