Onto Innovation stock gains as Q1 2026 growth and strong Q2 guidance support AI infrastructure demand

Published on 09/20/2026 at 21:34 | Editorial responsibility: Rafael Müller, Editor-in-Chief AD HOC NEWS

Onto Innovation stock is trading near recent highs as of September 18, 2026, backed by strong Q1 2026 revenue growth and expanding advanced packaging demand. The company’s Q2 2026 guidance points to further margin improvement and earnings growth.

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Onto Innovation stock (ISIN US68383X1054) is trading close to recent highs in mid-September 2026 as investors focus on strong first quarter 2026 growth and upbeat guidance for the second quarter of 2026, with the latest available reference price from Nasdaq data on September 18, 2026 showing the shares at USD 258.09.

Strong Q1 2026 figures and outlook

According to a report from ???? published on September 20, 2026, Onto Innovation reported revenue of USD 292.0 million in the first quarter of 2026, with non-GAAP gross margin of 55.7 percent and non-GAAP operating margin of 26.7 percent.

In the same report, non-GAAP earnings per share for Q1 2026 were stated at USD 1.42, and the company highlighted that its special devices and advanced packaging business contributed USD 160.0 million of revenue in the quarter, compared with USD 80.0 million from advanced node activities, underscoring the importance of advanced packaging as a growth driver.????

Q2 2026 guidance and full-year growth ambitions

The same coverage notes that Onto Innovation has guided for second quarter 2026 revenue between USD 320.0 million and USD 330.0 million, implying an increase of roughly 9.6 percent to 13.0 percent from the USD 292.0 million reported in Q1 2026 if the midpoint of USD 325.0 million is used as a reference.????

Onto Innovation expects non-GAAP gross margin in Q2 2026 to be in a range of 56.0 percent to 56.5 percent and non-GAAP operating margin between 28.0 percent and 28.6 percent, both higher than the 55.7 percent and 26.7 percent reported for Q1 2026, indicating that profitability is set to improve as revenue scales.????

The report further states that Onto Innovation anticipates full-year 2026 revenue to exceed USD 1.3 billion, with second-half 2026 revenue expected to grow at least 15 percent compared with the first half of 2026, while advanced packaging revenue is projected to grow by more than 50 percent and advanced node revenue by about 25 percent in 2026.????

AI infrastructure positioning and capital allocation

An analysis from Simply Wall St on September 20, 2026 describes Onto Innovation as positioned at the intersection of AI infrastructure build-out and semiconductor manufacturing complexity, supplying inspection and metrology tools for advanced AI processors and data center chips and noting that it generates about USD 1.1 billion from semiconductor equipment and services and carries a market capitalization of roughly USD 12.9 billion.

The Taiwanese finance report also mentions that Onto Innovation has announced a cash acquisition of a 27 percent stake in Rigaku for USD 710.0 million, expected to close in the second half of 2026, funded mainly from existing cash and accounted for using a fair value option without full consolidation, indicating a significant strategic investment in measurement and analysis technologies.????

Stock valuation context and analyst view

A recent ownership update reported by MarketBeat on September 20, 2026 notes that Bank of America Corp DE acquired 187,939 shares of Onto Innovation in the second quarter, valued at approximately USD 71,126,000, and that the company is covered by analysts with an average rating of Buy and an average target price of USD 378.00.

In the same MarketBeat article, Onto Innovation stock is described as having opened at USD 264.74 on a recent trading day with a 50-day moving average price of USD 282.08 and a 200-day moving average of USD 271.08, suggesting that the current reference price near USD 258.09 on September 18, 2026 stands modestly below these medium-term averages even as fundamentals and guidance remain solid.MarketBeat

Onto Innovation stock and recent trading level

Per the detailed price summary carried by ???? on September 20, 2026, Onto Innovation shares traded at a closing price of USD 258.09 on Nasdaq on September 18, 2026, after opening at USD 256.94, reaching an intraday high of USD 258.75 and a low of USD 254.87, with average price of USD 256.68 and trading volume of about 29,000 shares for that session.????