$ONTO (ONTO INNOVATION) — 8-K: Onto Innovation closes $720M acquisition of 27% stake in Rigaku Holdings

Onto Innovation completed its acquisition of a 27% minority equity stake in Rigaku Holdings Corporation for 113 billion yen, or approximately US$720 million. The investment deepens a strategic collaboration to advance X-ray-based process control solutions for semiconductor manufacturing. Onto Innovation will account for the investment under the fair value option method and will nominate a director to Rigaku's board.

Onto Innovation completed its acquisition of a 27% minority equity stake in Rigaku Holdings Corporation for 113 billion yen, or approximately US$720 million. The investment deepens a strategic collabo