ONTO Stock Summary and Trading Ideas (Onto Innovation | NYSE:ONTO)

Onto Innovation Inc is engaged in the design, development, manufacture, and support of high-performance control metrology, defect inspection, lithography, and data analysis systems used by microelectronics device manufacturers. The Company and its subsidiaries currently operate in a single operating segment. The company mainly operates in the United States, Southeast Asia, China, Japan, and Europe, with Taiwan and South Korea the sources of total revenue.

Onto Innovation trades on the NYSE stock market under the symbol ONTO.

As of September 24, 2026, ONTO stock price declined to $276.95 with 50,291 million shares trading.

ONTO has a beta of 2.44, meaning it tends to be more sensitive to market movements. ONTO has a correlation of 0.23 to the broad based SPY ETF.

ONTO has a market cap of $16.93 billion. This is considered a Large Cap stock.

Last quarter Onto Innovation reported $343 million in Revenue and $1.93 earnings per share. This beat revenue expectation by $18 million and exceeded earnings estimates by $.24.

In the last 3 years, ONTO traded as high as $386.46 and as low as $85.88.

The top ETF exchange traded funds that ONTO belongs to (by Net Assets): VTI, VB, VBK, VXF, VGT.

ONTO has outperformed the market in the last year with a return of +102.6%, while the SPY ETF gained +16.7%. However, in the most recent history, ONTO shares have underperformed the stock market with its stock returning -12.3% in the last 3 month period and -0.5% for the last 2 week period, while SPY has returned +4.7% and +0.7%, respectively.

ONTO support price is $270.35 and resistance is $294.27 (based on 1 day standard deviation move). This means that using the most recent 20 day stock volatility and applying a one standard deviation move around the stock's closing price, stastically there is a 67% probability that ONTO shares will trade within this expected range on the day.