As of December 2025 Arm Holdings has a market cap of HK$1.026 Trillion. This makes Arm Holdings the world's 149th 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 15th, 2025 the market cap of Arm Holdings was reported to be: