Onto Innovation (MEX:ONTO) 1-Year Share Buyback Ratio: -0.20% (As of Jun. 2026 )

Author: Vera Yuan Vera Yuan
Vera Yuan
Vera Yuan
Director of Data and Quant Analytics at GuruFocus
Focused on building reliable datasets, financial models, and research tools for value-minded investors. Committed to turning complex data into practical guidance for value-investing and long-term wealth.
Reviewed by: Charlie Tian Charlie Tian
Charlie Tian
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Founder & CEO of GuruFocus
Dr. Charlie Tian is the founder and CEO of GuruFocus.com, a leading global investment research platform established in 2004. With a Ph.D. in physics, Dr. Tian transitioned from science to finance, applying a data-driven, disciplined approach to value investing.

MEX:ONTO Onto Innovation Inc MEX:ONTO
66 GF Score
Price MXN4,520.00
GF Value MXN3,626.10
Valuation Modestly Overvalued
! 1 Warning Sign
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What is Onto Innovation 1-Year Share Buyback Ratio?

Onto Innovation MEX:ONTO 66 1-Year Share Buyback Ratio is -0.20 as of Jun. 2026. GuruFocus rates MEX:ONTO with a GF Score™ of 66/100 and a GF Value™ of MXN3,626.10 (Modestly Overvalued). The stock has 1 warning sign investors should review. Among 595 Semiconductors companies, Onto Innovation ranks better than 74.96% on this metric.

Shares Outstanding (EOP) are shares that have been authorized, issued, and purchased by investors and are held by them.

1-Year Share Buyback Ratio measures the proportion of a company's outstanding shares repurchased over the past year, calculated as the percentage change in shares outstanding from the previous year to the current year. A positive ratio may indicates share buybacks over the period, while a zero or negative ratio suggests no buybacks or potential share issuance. Onto Innovation's current 1-Year Share Buyback Ratio was -0.20%.

MEX:ONTO's 1-Year Share Buyback Ratio is ranked better than
74.96% of 595 companies
in the Semiconductors industry
Industry Median: -1.5 vs MEX:ONTO: -0.20

Onto Innovation  (MEX:ONTO) 1-Year Share Buyback Ratio Explanation

A positive ratio may indicates share buybacks over the period, while a zero or negative ratio suggests no buybacks or potential share issuance.


Be Aware

Investors usually like share buybacks. But as pointed by Warren Buffett, only if a company buys back shares at the prices below the stock's intrinsic value, it rewards remaining shareholders. If a company buys its overvalued stocks back, it destroys shareholder value.


Onto Innovation 1-Year Share Buyback Ratio Related Terms


MEX:ONTO vs NVMI, AMKR, FORM: 1-Year Share Buyback Ratio Comparison

For the Semiconductor Equipment & Materials subindustry, Onto Innovation's 1-Year Share Buyback Ratio, along with its competitors' market caps and 1-Year Share Buyback Ratio 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 1-Year Share Buyback Ratio vs Semiconductors Industry

For the Semiconductors industry and Technology sector, Onto Innovation's 1-Year Share Buyback Ratio distribution charts can be found below:

* The bar in red indicates where Onto Innovation's 1-Year Share Buyback Ratio falls into.


MEX:ONTO
66GF Score
Onto Innovation Inc MEX:ONTO
1-Year Share Buyback Ratio is just one metric. See GF Score™, valuation, warning signs, and more.
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Onto Innovation 1-Year Share Buyback Ratio Calculation

Onto Innovation's 1-Year Share Buyback Ratio for the quarter that ended in Jun. 2026 is calculated as

1-Year Share Buyback Ratio=(Shares Outstanding (EOP) (Jun. 2025 ) - Shares Outstanding (EOP) (Jun. 2026 )) / Shares Outstanding (EOP) (Jun. 2025 )
=(48.936 - 49.033) / 48.936
=-0.2%

* 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.

What does a 1-Year Share Buyback Ratio of -0.20 mean?
Onto Innovation (MEX:ONTO) has a 1-Year Share Buyback Ratio of -0.20 as of Jun. 2026. The 1-Year Share Buyback Ratio measures the proportion of a company's outstanding shares repurchased over the past year, calculated as the percentage change in shares outstanding from the previous year to the current year. View historical data for Onto Innovation and its competitors. According to the industry distribution chart, Onto Innovation ranks #149 out of 595 companies in the Semiconductors industry, placing it in the top 25%.
Is Onto Innovation's 1-Year Share Buyback Ratio too high?
Onto Innovation's current 1-Year Share Buyback Ratio is -0.20. Based on the distribution chart, Onto Innovation ranks #149 out of 595 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 66/100 and is considered Modestly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Onto Innovation's 1-Year Share Buyback Ratio compare to NVMI and AMKR?
According to the Semiconductors industry distribution chart, Onto Innovation ranks #149 out of 595 companies for 1-Year Share Buyback Ratio. This places Onto Innovation in the top 25% 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 1-Year Share Buyback Ratio for a Semiconductors company?
A good 1-Year Share Buyback Ratio depends on the Semiconductors industry context. However, 1-Year Share Buyback Ratio 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 1-Year Share Buyback Ratio mean?
A high 1-Year Share Buyback Ratio can signal that a stock is expensive relative to its fundamentals. The 1-Year Share Buyback Ratio measures the proportion of a company's outstanding shares repurchased over the past year, calculated as the percentage change in shares outstanding from the previous year to the current year. View historical data for Onto Innovation and its competitors. Onto Innovation's current 1-Year Share Buyback Ratio is -0.20. 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 (MEX:ONTO) is currently considered Modestly Overvalued. The stock's GF Value™ is MXN3,626.10, compared to a current price of MXN4,520.00 — trading 24.7% above its estimated fair value. The current 1-Year Share Buyback Ratio is -0.20. Onto Innovation's overall GF Score™ is 66/100 with 1 warning sign to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is 1-Year Share Buyback Ratio calculated?
1-Year Share Buyback Ratio is calculated from a company's financial statements. For Onto Innovation (MEX:ONTO), the current 1-Year Share Buyback Ratio is -0.20 as of Jun. 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 (MEX:ONTO) Overvalued in 2026?

Based on GuruFocus' analysis, Onto Innovation stock appears to be overvalued. The current stock price of MXN4,520.00 is trading 24.7% above its estimated GF Value™ of MXN3,626.10. GuruFocus considers Onto Innovation to be Modestly Overvalued.

Key valuation signals for MEX:ONTO:

  • 1-Year Share Buyback Ratio: -0.20
  • GF Value™: MXN3,626.10 vs. price of MXN4,520.00 (24.7% above fair value)
  • GF Score™: 66/100 with 1 warning sign

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


Onto Innovation Business Description

Other Exchanges ONTO:USANNM: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.
66GF Score

Get the complete analysis for MEX:ONTO

1-Year Share Buyback Ratio is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.

MXN4,520.00
Price
MXN3,626.10
GF Value