ONTO (Onto Innovation) Institutional Ownership: 107.95% (As of Jul. 09, 2026)


ONTO Onto Innovation Inc ONTO
85 GF Score
Price $291.45
GF Value $191.80
Valuation Significantly Overvalued
! 2 Warning Signs
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What is Onto Innovation Institutional Ownership?

Onto Innovation ONTO +4.12% 85 Institutional Ownership is 107.95% as of Jul. 09, 2026. GuruFocus rates ONTO with a GF Score™ of 85/100 and a GF Value™ of $191.80 (Significantly Overvalued). The stock has 2 warning signs investors should review.

Institutional ownership is the percentage of shares that are owned by institutions out of the total shares outstanding. As of today, Onto Innovation's institutional ownership is 107.95%.

Insider Ownership is the percentage of shares that are owned by company insiders relative to the total shares outstanding. As of today, Onto Innovation's Insider Ownership is 5.97%.

Float Percentage Of Total Shares Outstanding is the percentage of float shares relative to the total shares outstanding. As of today, Onto Innovation's Float Percentage Of Total Shares Outstanding is 78.97%.

Onto Innovation Institutional Ownership Historical Data

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The historical data trend for Onto Innovation's Institutional Ownership can be seen below:

* For Operating Data section: All numbers are indicated by the unit behind each term and all currency related amount are in USD.
* For other sections: All numbers are in millions except for per share data, ratio, and percentage. All currency related amount are indicated in the company's associated stock exchange currency.

Onto Innovation Institutional Ownership Chart

Onto Innovation Historical Data

The historical data trend for Onto Innovation can be seen below:

2025-09-30 2025-10-31 2025-11-30 2025-12-31 2026-01-31 2026-02-28 2026-03-31 2026-04-30 2026-05-31 2026-06-30
Institutional Ownership 63.96 65.90 65.51 68.07 67.33 65.65 66.17 65.77 66.21 66.01
ONTO
85GF Score
Onto Innovation Inc ONTO
Institutional Ownership is just one metric. See GF Score™, valuation, warning signs, and more.
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Onto Innovation Institutional Ownership Calculation

The percentage of shares that are owned by institutions out of the total shares outstanding.

What does a Institutional Ownership of 107.95% mean?
Onto Innovation (ONTO) has a Institutional Ownership of 107.95% as of Jul. 09, 2026. Institutional ownership equals the percent of shares owned by financial institutions relative to total shares. View historical data on Onto Innovation and its competitors.
Is Onto Innovation's Institutional Ownership too high?
Onto Innovation's current Institutional Ownership is 107.95%. 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 Institutional Ownership compare to NVMI and AMKR?
Onto Innovation's Institutional Ownership of 107.95% can be compared against companies in the Semiconductors industry. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good Institutional Ownership for a Semiconductors company?
A good Institutional Ownership depends on the Semiconductors industry context. However, Institutional Ownership 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 Institutional Ownership mean?
A high Institutional Ownership can signal that a stock is expensive relative to its fundamentals. Institutional ownership equals the percent of shares owned by financial institutions relative to total shares. View historical data on Onto Innovation and its competitors. Onto Innovation's current Institutional Ownership is 107.95%. 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 $191.80, compared to a current price of $291.45 — trading 52% above its estimated fair value. The current Institutional Ownership is 107.95%. Onto Innovation's overall GF Score™ is 85/100 with 2 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is Institutional Ownership calculated?
Institutional Ownership is calculated from a company's financial statements. For Onto Innovation (ONTO), the current Institutional Ownership is 107.95% as of Jul. 09, 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 $291.45 is trading 52% above its estimated GF Value™ of $191.80. GuruFocus considers Onto Innovation to be Significantly Overvalued.

Key valuation signals for ONTO:

  • Institutional Ownership: 107.95%
  • GF Value™: $191.80 vs. price of $291.45 (52% above fair value)
  • GF Score™: 85/100 with 2 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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Institutional Ownership is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.

$291.45
Price
$191.80
GF Value