With a market capitalization (market cap) of $15.69B — a measure of how much the company is worth — Onto Innovation Inc. is the 715th most valuable company in Technology as of August 19, 2026. Shares trade at $315.42, down +10.18% on the day.
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Onto Innovation Inc. is a global leader in designing, manufacturing, and supporting cutting-edge process control solutions. The company's diverse portfolio encompasses tools for macro defect inspection, 2D/3D optical metrology, and lithography systems, alongside sophisticated analytical software for process control. These offerings are crucial for optimizing manufacturing processes, enhancing yield, and facilitating device packaging and testing in various industries worldwide. Their solutions are delivered both as standalone systems for specialized functions—such as detecting large flaws, performing packaging lithography, evaluating probe cards, and measuring transparent and opaque thin films—and through an extensive suite of process control software. This software scales from individual tool management to enterprise-wide factory integration. Beyond hardware and software, Onto Innovation also provides essential spare parts and software licensing services. Their technology is vital to a broad spectrum of clients, including manufacturers of semiconductors, advanced packaging, silicon wafers, LEDs, VCSELs, MEMS, CMOS image sensors, power devices, RF filters, and data storage products, as well as those in various industrial and scientific fields. Originally established in 1940 as Rudolph Technologies, Inc., Onto Innovation Inc. maintains its headquarters in Wilmington, Massachusetts.
Visit websiteAs of August 19, 2026, Onto Innovation Inc. (ONTO) is worth $15.69B — this is its market capitalization, the total value of all its outstanding shares.
Onto Innovation Inc.’s market cap is $15.69B, which ranks it #715 among the most valuable companies in the Technology sector tracked on MarketCapLens.
Onto Innovation Inc. (ONTO) shares trade at $315.42, down 10.18% on the day, as of August 19, 2026.
Onto Innovation Inc. trades at a price-to-earnings (P/E) ratio of 113.5, based on its latest share price and annual earnings per share.
Fundamentals are annual. Figures labeled with their fiscal year.
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