As of January 2026 AmTrust Financial Services has a market cap of NZ$5.50 Billion. This makes AmTrust Financial Services the world's 3881th 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 6th, 2026 the market cap of AmTrust Financial Services was reported to be: