As of January 2026 ON Semiconductor has a market cap of โน2.232 Trillion. This makes ON Semiconductor the world's 972th 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 Jan 13th, 2026 the market cap of ON Semiconductor was reported to be: