ONTO (Onto Innovation) Moat Score: 6/10 (As of Jun. 28, 2026)


ONTO Onto Innovation Inc ONTO
85 GF Score
Price $323.92
GF Value $189.26
Valuation Significantly Overvalued
! 6 Warning Signs
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What is Onto Innovation Moat Score?

Onto Innovation ONTO -5.90% 85 Moat Score is 6 as of Jun. 28, 2026. GuruFocus rates ONTO with a GF Score™ of 85/100 and a GF Value™ of $189.26 (Significantly Overvalued). The stock has 6 warning signs investors should review. Among 1,000 Semiconductors companies, Onto Innovation ranks better than 97% on this metric.

Onto Innovation has the Moat Score of 6, which implies that the company might have Narrow Moat - Strong narrow moat, clearly distinguishable but not wide.

Onto Innovation has Narrow Moat: Onto Innovation Inc has a strong narrow moat due to its proprietary technology and consistent innovation. The company benefits from economies of scale and some customer loyalty, but lacks significant regulatory barriers or exclusive licenses to qualify for a wide moat.

Moat Score is a ranking system developed by GuruFocus to assess a company's ability to sustain a competitive advantage, rated on a scale from 0 to 10. It takes into account key factors such as market leadership, cost advantages, network effects, customer switching costs, and more.

The company's Moat Score is based on these criteria:

1. Market leadership and sustainable market share
2. Network effects and significant customer switching costs
3. Valuable intellectual property and patents
4. Strong brand strength and deep customer loyalty
5. Durable cost advantages (e.g., economies of scale, proprietary technology)
6. Significant regulatory barriers and exclusive licenses
7. Superior distribution network
8. Strong and sustainable pricing power
9. Consistent and impactful innovation and R&D capabilities

Based on the research, GuruFocus believes Onto Innovation might have Narrow Moat - Strong narrow moat, clearly distinguishable but not wide.

Onto Innovation  (NYSE:ONTO) Moat Score Explanation

The Moat Score ranges from 0 to 10, with 10 as the highest. GuruFocus divided Moat Score into following 8 categories:

Moat Score Moat Level
10Wide Moat - Exceptionally dominant and durable wide moat
8 - 9Wide Moat - Clear and robust wide moat
7Wide Moat - Entry-level wide moat, clearly possessing durable advantages
6Narrow Moat - Strong narrow moat, clearly distinguishable but not wide
5Narrow Moat - Solid narrow moat
4Narrow Moat - Discernible but modest moat
1 - 3No Moat - Very weak/transient advantages
0No Moat - No discernible moat

Onto Innovation Moat Score Related Terms

ONTO vs NVMI, FORM, AMKR: Moat Score Comparison

For the Semiconductor Equipment & Materials subindustry, Onto Innovation's Moat Score, along with its competitors' market caps and Moat Score data, can be viewed below:

* Competitive companies are chosen from companies within the same industry, with headquarter located in same country, with closest market capitalization; x-axis shows the market cap, and y-axis shows the term value; the bigger the dot, the larger the market cap. Note that "N/A" values will not show up in the chart.

Onto Innovation Moat Score vs Semiconductors Industry

For the Semiconductors industry and Technology sector, Onto Innovation's Moat Score distribution charts can be found below:

* The bar in red indicates where Onto Innovation's Moat Score falls into.


ONTO
85GF Score
Onto Innovation Inc ONTO
Moat Score is just one metric. See GF Score™, valuation, warning signs, and more.
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Frequently Asked Questions Learn more about Moat Score →
What does a Moat Score of 6 mean?
Onto Innovation (ONTO) has a Moat Score of 6 as of Jun. 28, 2026. Moat Score is a ranking system developed by GuruFocus to assess a company's ability to sustain a competitive advantage, rated on a scale from 0 to 10. It takes into account key factors such as market leadership, cost advantages, network effects, customer switching costs, and more. According to the industry distribution chart, Onto Innovation ranks #30 out of 1000 companies in the Semiconductors industry, placing it in the top 3%.
Is Onto Innovation's Moat Score too high?
Onto Innovation's current Moat Score is 6. Based on the distribution chart, Onto Innovation ranks #30 out of 1000 companies in the Semiconductors industry, which is in the top quartile — a strong position relative to peers. Overall, Onto Innovation has a GF Score™ of 85/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Onto Innovation's Moat Score compare to NVMI and FORM?
According to the Semiconductors industry distribution chart, Onto Innovation ranks #30 out of 1000 companies for Moat Score. This places Onto Innovation in the top 3% of its industry — outperforming the majority of peers. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good Moat Score for a Semiconductors company?
A good Moat Score depends on the Semiconductors industry context. However, Moat Score should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Use the industry distribution chart on this page to see where any company falls relative to its peers.
What does a high Moat Score mean?
A high Moat Score can signal that a stock is expensive relative to its fundamentals. Moat Score is a ranking system developed by GuruFocus to assess a company's ability to sustain a competitive advantage, rated on a scale from 0 to 10. It takes into account key factors such as market leadership, cost advantages, network effects, customer switching costs, and more. Onto Innovation's current Moat Score is 6. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Onto Innovation stock overvalued right now?
Based on GuruFocus' analysis, Onto Innovation (ONTO) is currently considered Significantly Overvalued. The stock's GF Value™ is $189.26, compared to a current price of $323.92 — trading 71.2% above its estimated fair value. The current Moat Score is 6. Onto Innovation's overall GF Score™ is 85/100 with 6 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is Moat Score calculated?
Moat Score is calculated from a company's financial statements. For Onto Innovation (ONTO), the current Moat Score is 6 as of Jun. 28, 2026. GuruFocus calculates this using data sourced from SEC filings and annual reports. See the calculation section and 30-year financial data on this page for the full breakdown.

Is Onto Innovation (ONTO) Overvalued in 2026?

Based on GuruFocus' analysis, Onto Innovation stock appears to be overvalued. The current stock price of $323.92 is trading 71.2% above its estimated GF Value™ of $189.26. GuruFocus considers Onto Innovation to be Significantly Overvalued.

Key valuation signals for ONTO:

  • Moat Score: 6
  • GF Value™: $189.26 vs. price of $323.92 (71.2% above fair value)
  • GF Score™: 85/100 with 6 warning signs

No single metric tells the full story. See the ONTO stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.

Onto Innovation Business Description

Other Exchanges ONTO:MexicoNNM:Germany
Address 16 Jonspin Road, Wilmington, MA, USA, 01887
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.
85GF Score

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$323.92
Price
$189.26
GF Value