BlackRock, Inc. Increases Stake in ONTO INNOVATION INC.

BlackRock, Inc. has filed a Schedule 13G/A amendment with the SEC, disclosing an increased ownership stake in ONTO INNOVATION INC. As of October 17, 2025, BlackRock beneficially owns 5,039,082 shares of common stock, representing a 10.3% ownership interest. This marks a significant increase from their previous holdings, with a 78.787% rise in both the value and number of shares owned. The filing indicates that BlackRock acquired these shares in the ordinary course of business and not with the intent to influence control of the issuer. The amendment also includes certifications and exhibits, such as a Power of Attorney and details on subsidiary identification.