As of December 2025 Aspen Insurance has a market cap of โน305.28 Billion. This makes Aspen Insurance the world's 3750th 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 26th, 2025 the market cap of Aspen Insurance was reported to be: