Onto Innovation
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Onto Innovation (ONTO) investor relations material

Onto Innovation Q4 2025 earnings summary

Complete event summary combining all related documents: earnings call transcript, report, and slide presentation.
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Q4 2025 earnings summary19 Feb, 2026

Executive summary

  • Achieved record Q4 revenue of $267 million and full-year revenue of $1,005 million for 2025.

  • Completed the acquisition of Semilab in mid-November, contributing $9 million in Q4 revenue.

  • Advanced packaging orders for AI devices more than doubled in Q4, driving strong momentum into 2026.

  • Backlog nearly doubled over the last three months, providing strong visibility and support for continued growth.

  • Secured a $240+ million volume purchase agreement with a leading HBM manufacturer for DragonflyⓇ systems.

Financial highlights

  • Q4 gross margin improved by 50 basis points to 54.6% from Q3; non-GAAP gross margin was 54.6% (up from 54.5%).

  • Q4 operating margin rose to 25.2% non-GAAP; GAAP operating income was $13.9 million (5.2% margin), non-GAAP $67.2 million (25.2% margin).

  • Adjusted diluted EPS for Q4 was $1.26; GAAP EPS $0.21.

  • Generated record quarterly cash of $95 million, with cash conversion at 150% of non-GAAP net income.

  • Adopted the One Big Beautiful Bill Tax Act, resulting in $19 million cash tax savings in 2025 and an estimated $14 million in 2026.

Outlook and guidance

  • Q1 2026 revenue expected between $275 million and $285 million; Q2 revenue projected to exceed $300 million.

  • Core business growth for H1 2026 forecasted at 12%-14% over H2 2025.

  • Gross margin expected to improve by 50 basis points in Q1 2026; Q1 2026 gross margin projected at 54.6% to 55.6%.

  • Q1 2026 non-GAAP operating margin guidance at 25.5%-26.5%; GAAP at 14.2%-15.6%.

  • Q1 EPS expected in the range of $1.26-$1.36 non-GAAP, $0.74-$0.84 GAAP, with a 16% tax rate and 49.9 million shares outstanding.

  • Advanced packaging revenue projected to grow over 30% in 2026; advanced nodes expected to grow in the mid-teens percentage.

How does the HBM deal impact 2026 growth outlook?
What capabilities did Semilab acquisition add?
Explain Q1 2026 non-GAAP operating margin gap
HBM VPA: 2026/2027 revenue split evolution
Panel-level packaging: Drivers for renewed growth
G5 adoption: Triggers for accelerated upside
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Frequently asked questions

Onto Innovation Inc. is a innovative company involved in the design, development, manufacture, and support of process control tools that performs macro defect inspection and 2D/3D optical metrology, lithography systems, and process control analytical software worldwide. ONTO is based in Santa Clara, California and has roughly 180 employees working in 3 sites (2 in Santa Clara, 1 in Taiwan). The company offers a wide-ranging product portfolio for conventional photomask inspection as well as ultra-violet lithography, multiple patterning lithography, EUV mask inspection and process control.

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