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What smart money is saying about Onto Innovation IncUnited States flag

ONTO · Technology · Semiconductors · Market cap $7.85B

3 funds in our archive have pitched Onto Innovation Inc — most recently Artisan U.S. Small-Cap Growth Strategy in March 2026.

Company profile

Onto Innovation Inc. is a global leader in designing, manufacturing, and supporting cutting-edge process control solutions. The company's diverse portfolio encompasses tools for macro defect inspection, 2D/3D optical metrology, and lithography systems, alongside sophisticated analytical software for process control. These offerings are crucial for optimizing manufacturing processes, enhancing yield, and facilitating device packaging and testing in various industries worldwide. Their solutions are delivered both as standalone systems for specialized functions—such as detecting large flaws, performing packaging lithography, evaluating probe cards, and measuring transparent and opaque thin films—and through an extensive suite of process control software. This software scales from individual tool management to enterprise-wide factory integration. Beyond hardware and software, Onto Innovation also provides essential spare parts and software licensing services. Their technology is vital to a broad spectrum of clients, including manufacturers of semiconductors, advanced packaging, silicon wafers, LEDs, VCSELs, MEMS, CMOS image sensors, power devices, RF filters, and data storage products, as well as those in various industrial and scientific fields. Originally established in 1940 as Rudolph Technologies, Inc., Onto Innovation Inc. maintains its headquarters in Wilmington, Massachusetts.

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2
Reported positions
0
Bought
0
Sold
5
Letters

Position history

Between Q4 2024 and Q2 2026, 2 fund letters reported a position in Onto Innovation Inc, with no move described.

Fund letters reporting a position in Onto Innovation Inc, by quarter
QuarterLettersBoughtSoldTheses
Q2 20262000
Q1 20260001
Q3 20250001
Q4 20240001

Fund activity · 2 positions

  • HoldsArtisan Partners U.S. Small-Cap Growth Strategy
    June 2026
    These are reflected in holdings such as Modine Manufacturing, MACOM Technology Solutions, Lattice Semiconductor, Onto Innovation and SiTime.
    Read the letterOnto Innovation Inc
  • HoldsClearBridge Investments SMID Cap Growth Strategy
    June 2026
    Semiconductor companies including Allegro MicroSystems and Lattice Semiconductor, along with networking and semiconductor capital equipment providers such as Coherent, Credo Technology and Onto Innovation, benefited from demand tied to AI infrastructure, semiconductor cycle improvement, automation and cutting-edge AI applications.
    Read the letterOnto Innovation Inc

Fund coverage · 3 theses

  • Artisan U.S. Small-Cap Growth Strategy
    March 2026

    Onto Innovation Inc is a leading semiconductor process control provider poised to benefit from a potential memory supercycle and resilient competitive positioning.

    Read the full thesis
  • Royce Invest
    September 2025

    Onto Innovation is a leader in providing essential inspection, metrology, and lithography equipment for semiconductor manufacturing, with strong growth prospects driven by technological advancements and a robust product pipeline.

    Read the full thesis
  • Artisan US Mid Cap Growth Strategy
    December 2024

    Onto Innovation is well-positioned for growth in advanced semiconductor packaging and optical metrology due to increasing demand from AI and 3D chip architecture, despite recent short-term cyclical pressures which present a buying opportunity.

    Read the full thesis

Read every full thesis on Onto Innovation Inc

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