13 Best Nanotechnology Stocks to Buy Now

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9. Onto Innovation Inc. (NYSE:ONTO)

Number of Hedge Fund Holders: 57

Onto Innovation Inc. (NYSE:ONTO) is one of the Best Nanotechnology Stocks.

According to TheFly, on November 18, 2025, B. Riley analyst Craig Ellis increased the company’s price objective for Onto Innovation Inc. (NYSE:ONTO) from $173 to $180. The analyst kept a Buy rating. The update came after the company finished acquiring Semilab International.

Onto Innovation Inc. (NYSE:ONTO) stated on November 17 that it had successfully closed the acquisition of important product lines from the materials analysis division of Semilab International. The FAaST®, CnCV®, and MBIR product lines are added to its portfolio in inline wafer contamination monitoring, materials characterization, and surface charge metrology through the $495 million transaction.

Onto Innovation Inc. (NYSE:ONTO) raised its fourth-quarter revenue estimates to $258-$275 million, with the purchase projected to add $8-10 million by January 3, 2026. The merger is anticipated to be immediately accretive, adding $0.02-$0.04 to diluted EPS in Q4, excluding purchase accounting. It is projected that the purchased product lines will generate around $120 million in sales in 2026, with the second half accounting for the majority of this amount.

Onto Innovation Inc. (NYSE:ONTO) designs, develops, produces, and supports high-performance control metrology, defect inspection, lithography, and data analysis systems for use by producers of microelectronic devices.

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