As of January 2026 Aspen Insurance has a market cap of A$5.08 Billion. This makes Aspen Insurance the world's 3777th 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 Jan 19th, 2026 the market cap of Aspen Insurance was reported to be: