As of October 2026 ON Semiconductor has a market cap of ยฃ22.78 Billion. This makes ON Semiconductor the world's 813th 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 Oct 11th, 2026 the market cap of ON Semiconductor was reported to be: