As of September 2026 John B. Sanfilippo & Son has a market cap of โฌ0.72 Billion. This makes John B. Sanfilippo & Son the world's 6726th 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.