As of September 2026 Fiserv has a market cap of C$36.65 Billion. This makes Fiserv the world's 935th 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 Sep 16th, 2026 the market cap of Fiserv was reported to be: