As of January 2026 Fortis has a market cap of NZ$45.23 Billion. This makes Fortis the world's 916th 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 11th, 2026 the market cap of Fortis was reported to be: