Levi & Korsinsky has commenced an investigation into Onto Innovation Inc. (NYSE: ONTO) concerning possible breaches of fiduciary duties by certain officers and directors.

The New York-based law firm announced the probe on Sept. 1, 2026, inviting current shareholders to request additional information. The firm stated there is no cost or obligation for shareholders seeking details.

Investigation Details

Levi & Korsinsky is a nationally recognized firm with offices in New York, Connecticut, California, and Washington, D.C. The firm’s attorneys have extensive expertise in prosecuting securities litigation involving financial fraud.

According to the announcement, the firm has recovered hundreds of millions of dollars for aggrieved shareholders in previous securities lawsuits. Prior results do not guarantee similar outcomes.

Shareholder Contact

Shareholders may contact Joseph E. Levi, Esq., via email at jlevi@levikorsinsky.com or by telephone at (212) 363-7500. The firm is located at 33 Whitehall Street, 27th Floor, New York, NY 10004.

Onto Innovation (NYSE: ONTO) has delivered an average annual return of 33.18% over the past five years, significantly outperforming broader market benchmarks.

The semiconductor equipment manufacturer currently holds a market capitalization of $17.93 billion. The stock’s performance reflects strong compounded growth for long-term holders.

Five-Year Performance Metrics

An investor who purchased $1,000 of ONTO shares five years ago would see that position grow to $4,254.24 today. This calculation is based on the stock price of $293.33 at the time of writing.

What the Numbers Show

The data highlights the impact of compounding on equity investments in high-growth sectors. The 21.87% annualized outperformance against the market indicates that Onto Innovation has generated substantial alpha relative to general market indices over this period.