As of December 2025 Arch Capital has a market cap of โฌ29.58 Billion. This makes Arch Capital the world's 675th 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 4th, 2025 the market cap of Arch Capital was reported to be: