As of December 2025 Fortis has a market cap of C$35.92 Billion. This makes Fortis the world's 892th 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 4th, 2025 the market cap of Fortis was reported to be: