As of December 2025 Arm Holdings has a market cap of HK$1.080 Trillion. This makes Arm Holdings the world's 141th 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 13th, 2025 the market cap of Arm Holdings was reported to be: