As of December 2025 Hanover Insurance Group has a market cap of โน581.33 Billion. This makes Hanover Insurance Group the world's 2633th 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 10th, 2025 the market cap of Hanover Insurance Group was reported to be: