William Blair Investment Management LLC Takes Position in Onto Innovation Inc. $ONTO

Posted by Brenda Bartman on Aug 22nd, 2026

William Blair Investment Management LLC bought a new stake in shares of Onto Innovation Inc. (NYSE:ONTO – Free Report) in the second quarter, according to its most recent filing with the Securities and Exchange Commission. The fund bought 665,377 shares of the semiconductor company’s stock, valued at approximately $251,812,000. Onto Innovation comprises 0.8% of William Blair Investment Management LLC’s holdings, making the stock its 18th largest holding. William Blair Investment Management LLC owned about 1.36% of Onto Innovation as of its most recent SEC filing.

A number of other institutional investors also recently bought and sold shares of the stock. NewEdge Advisors LLC raised its holdings in Onto Innovation by 312.5% during the first quarter. NewEdge Advisors LLC now owns 4,121 shares of the semiconductor company’s stock valued at $500,000 after acquiring an additional 3,122 shares during the period. Goldman Sachs Group Inc. grew its position in shares of Onto Innovation by 76.4% during the first quarter. Goldman Sachs Group Inc. now owns 482,256 shares of the semiconductor company’s stock valued at $58,517,000 after purchasing an additional 208,907 shares in the last quarter. UBS AM A Distinct Business Unit of UBS Asset Management Americas LLC grew its position in shares of Onto Innovation by 8.8% during the first quarter. UBS AM A Distinct Business Unit of UBS Asset Management Americas LLC now owns 163,259 shares of the semiconductor company’s stock valued at $19,810,000 after purchasing an additional 13,175 shares in the last quarter. Cetera Investment Advisers increased its holdings in shares of Onto Innovation by 6.3% in the second quarter. Cetera Investment Advisers now owns 4,017 shares of the semiconductor company’s stock worth $405,000 after purchasing an additional 238 shares during the last quarter. Finally, Russell Investments Group Ltd. lifted its position in shares of Onto Innovation by 182.4% in the second quarter. Russell Investments Group Ltd. now owns 6,631 shares of the semiconductor company’s stock worth $666,000 after buying an additional 4,283 shares in the last quarter. 98.35% of the stock is owned by institutional investors.

Onto Innovation Stock Performance

ONTO opened at $293.68 on Friday. The firm’s 50-day moving average price is $304.92 and its 200-day moving average price is $263.43. The company has a market cap of $14.41 billion, a P/E ratio of 110.41, a price-to-earnings-growth ratio of 1.00 and a beta of 1.59. Onto Innovation Inc. has a 52-week low of $101.00 and a 52-week high of $386.46. The company has a quick ratio of 8.33, a current ratio of 9.73 and a debt-to-equity ratio of 0.77.

Onto Innovation (NYSE:ONTO – Get Free Report) last posted its quarterly earnings results on Thursday, August 6th. The semiconductor company reported $1.93 earnings per share (EPS) for the quarter, topping analysts’ consensus estimates of $1.69 by $0.24. Onto Innovation had a net margin of 11.84% and a return on equity of 13.44%. The company had revenue of $343.13 million during the quarter, compared to analyst estimates of $325.29 million. During the same period last year, the firm posted $1.25 EPS. Onto Innovation’s revenue for the quarter was up 35.3% compared to the same quarter last year. Onto Innovation has set its Q3 2026 guidance at 2.180-2.380 EPS. As a group, equities analysts anticipate that Onto Innovation Inc. will post 7.88 EPS for the current fiscal year.

Wall Street Analysts Forecast Growth

A number of analysts have issued reports on the company. Weiss Ratings downgraded Onto Innovation from a “hold (c)” rating to a “hold (c-)” rating in a research note on Friday, August 7th. Cantor Fitzgerald increased their target price on Onto Innovation from $350.00 to $410.00 and gave the company an “overweight” rating in a research report on Monday, June 29th. Needham & Company LLC raised their target price on shares of Onto Innovation from $330.00 to $360.00 and gave the company a “buy” rating in a report on Friday, August 7th. The Goldman Sachs Group assumed coverage on shares of Onto Innovation in a research report on Monday. They issued a “buy” rating and a $400.00 price target on the stock. Finally, Morgan Stanley restated an “overweight” rating and set a $383.00 price objective on shares of Onto Innovation in a research report on Friday, August 7th. Two research analysts have rated the stock with a Strong Buy rating, ten have assigned a Buy rating and one has assigned a Hold rating to the company. According to data from MarketBeat.com, the stock has a consensus rating of “Buy” and a consensus price target of $380.30.

Check Out Our Latest Stock Analysis on ONTO

Onto Innovation Company Profile

(Free Report)

Onto Innovation (NYSE:ONTO) is a global supplier of advanced process control and inspection systems for semiconductor and electronics manufacturers. The company’s solutions span metrology, inspection, defect review and lithography mask repair, helping customers optimize yield, reduce costs and improve device performance. By integrating high-resolution optical and e-beam tools with sophisticated software analytics, Onto Innovation enables wafer, mask and advanced packaging producers to maintain tight process control across leading-edge nodes and specialty applications.

Key products include high-throughput wafer metrology systems, optical and e-beam defect inspection platforms, mask inspection and repair tools, and data-driven software for yield management and process optimization.