As of May 2026 ON Semiconductor has a market cap of A$56.21 Billion. This makes ON Semiconductor the world's 620th 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 May 1st, 2026 the market cap of ON Semiconductor was reported to be: