As of October 2026 Onto Innovation has a market cap of S$25.62 Billion. This makes Onto Innovation the world's 1151th 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 3rd, 2026 the market cap of Onto Innovation was reported to be: