Onto Innovation Inc. (ONTO) and Rigaku Deepen their Strategic Partnership

Onto Innovation Inc. (NYSE:ONTO) is one of the 12 Best Photonics Stocks to Buy Now.

On April 21, 2026, Onto Innovation Inc. (NYSE:ONTO) expanded its strategic relationship with Rigaku Holdings for better next-generation semiconductor process control. According to the company, increasing design complexity and advanced packaging “is creating an increase in reliance on novel and exotic materials,” pushing demand for optical metrology while opening up “emerging opportunities” for X-ray technology.

On May 5, 2026, Onto Innovation Inc. (NYSE:ONTO) reported record revenue of $292 million for the first quarter of 2026, representing nearly 10% sequential growth from the fourth quarter of 2025. The Dragonfly G5 system qualified at a leading 2.5D logic and high-bandwidth memory customer, while the Atlas G6 system was selected by a second logic customer, resulting in 13% advanced-node growth.

The company also stated that it will purchase a 27% share in Rigaku for approximately $710 million, with the transaction expected to be completed in the second half of 2026. CEO Mike Plisinski said that client uptake and new capabilities “enable us to provide increased value” while addressing future issues.

Onto Innovation Inc. (ONTO) and Rigaku Deepen their Strategic Partnership

Onto Innovation Inc. (NYSE:ONTO) is a firm that works in high-performance control metrology, defect inspection, lithography, and data analysis solutions for microelectronic device manufacturers. It also provides process and yield management systems for bare silicon wafer production and processing facilities.

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