As of December 2025 Bank of Montreal has a market cap of โน8.232 Trillion. This makes Bank of Montreal the world's 228th 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 Bank of Montreal was reported to be: