As of December 2025 Westamerica Bancorporation has a market cap of โน114.85 Billion. This makes Westamerica Bancorporation the world's 5528th 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 19th, 2025 the market cap of Westamerica Bancorporation was reported to be: