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ONTO vs. KLAC: Which Semiconductor Equipment Stock is Better?

A Zacks analysis compares Onto Innovation (ONTO) and KLA Corporation (KLAC) in the semiconductor equipment sector, focusing on growth paths, valuations, and exposure to advanced packaging technology amid AI-driven chip demand.

June 22, 2026
2 min read
Source: Zacks
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According to a report by Zacks, investors are comparing Onto Innovation (ONTO) and KLA Corporation (KLAC) as AI-driven chip demand boosts the semiconductor equipment sector. The two stocks differ in growth trajectories, valuations, and exposure to advanced packaging.

Recommendation Change

No specific rating changes were mentioned in the report; it offers an objective comparison.

Analyst Rationale

The analysis focuses on three key factors:

  • Growth: Both companies benefit from AI demand, but KLA has a broader portfolio in wafer inspection.
  • Valuation: Valuation multiples differ, with ONTO potentially trading at a premium due to faster growth.
  • Advanced Packaging Exposure: ONTO is more focused on advanced packaging, a fast-growing segment for AI chips.

Context

Recent performance for both stocks has been positive, driven by semiconductor demand. ONTO has shown stronger revenue growth, while KLAC offers more stability and profitability. Other analysts view both as solid picks in the sector.

What to Conclude

The choice between ONTO and KLAC depends on investor goals: growth-oriented investors may prefer ONTO, while those seeking stability and dividends might lean toward KLAC. Reviewing financials and valuations is recommended before deciding.

Frequently Asked Questions

ONTO is more focused on advanced packaging and faster growth, while KLAC has a broader portfolio in wafer inspection and offers greater stability.

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This article was rewritten in Wrqti's editorial style based on information from the original source above. Content is informational only — not investment advice.