ONTO · Analysis updated Nov 10, 2026, 6:00 PM ET

Why is Onto Innovation Inc. (ONTO) stock moving?

Onto Innovation reported Q3 2026 results on Nov 9 with record revenue of $409.7M, up 88% year over year, and adjusted EPS of $2.44 above the $2.30 estimate. Management guided Q4 sales to $430M-$450M against a $413M consensus, guided adjusted EPS to $2.59-$2.79, said backlog rose above $1.3B, and expects 2026 revenue growth above 45%. The stock fell from about $220 on Oct 29 to a $155.99 close on Nov 5 ahead of results, then rose 12% on Nov 9 to $194.04 and closed at $197.51 on Nov 10 on heavy volume of about 1.98M shares. Brokers reiterated buy-type ratings but cut targets to a range of $250-$450, with most notes between $285 and $350 and the last close of $197.51 well below those levels. The main risks are the sharp recent drawdown, volatility, and the semiconductor capital-spending cycle, which the news items do not address directly.

News behind the analysis

About Onto Innovation Inc.

Technology · Semiconductor equipment (process control)

Onto Innovation, based in Wilmington, Massachusetts, makes machines that inspect and measure chips during manufacturing, plus the software that goes with them. Its best-known product is the Dragonfly inspection line, used in advanced packaging, such as the high-bandwidth memory (HBM) and 2.5D chip stacks inside AI processors. In 2026 it also bought a minority stake of about 27% in Japan's Rigaku.

How it makes money

It mostly makes money selling inspection, measurement (metrology) and lithography systems to chipmakers, memory producers and packaging firms, and it also earns from service, spare parts and software. Revenue comes from two main areas. Advanced packaging is expected to grow about 80% in 2026. Advanced nodes means leading-edge logic and memory chips, with the Atlas G6 as a key system there. Management expects 2026 revenue above about $1.3 billion. Q2 2026 revenue was a record of about $343 million, and the order backlog was over $1.1 billion.

What usually moves ONTO

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This analysis is for informational purposes only and is not investment advice. Figures are drawn from the supplied news and market data and may be incomplete or out of date. Investing involves risk, including possible loss of principal.