Onto Innovation buys 27% stake in Rigaku for about USD 720 million - ONTO News | RalliesOnto Innovation buys 27% stake in Rigaku for about USD 720 million
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ONTO• Onto Innovation closes minority stake acquisition in Rigaku
- Onto Innovation closed its acquisition of a 27% minority stake in Rigaku from Atom Investment, an affiliate of Carlyle.
- Deal value: JPY 113,078,356,600, about USD 720 million.
- The investment deepens a partnership announced in April 2026 to advance X-ray technologies for semiconductor process control.
- Onto will use the fair value option method, will not consolidate Rigaku results, and will nominate one Rigaku board director.
