As of October 2026 ON Semiconductor has a market cap of โน3.182 Trillion. This makes ON Semiconductor the world's 743th 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 2nd, 2026 the market cap of ON Semiconductor was reported to be: