As of December 2025 Sto SE & Co. KGaA has a market cap of ยฃ0.70 Billion. This makes Sto SE & Co. KGaA the world's 6057th 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.