Onto InnovationONTO +3.21%85 Market Cap is $16,545 Mil as of Jun. 25, 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 1,034 Semiconductors companies, Onto Innovation ranks better than 90.91% on this metric.
Market cap is the total market value to buy the whole company. It is equal to the share price times the number of Shares Outstanding (EOP). Onto Innovation's share price for the quarter that ended in Mar. 2026 was $205.07. Onto Innovation's Shares Outstanding (EOP) for the quarter that ended in Mar. 2026 was 50 Mil. Therefore, Onto Innovation's market cap for the quarter that ended in Mar. 2026 was $10,201 Mil.
Onto Innovation's quarterly market cap
increased
from Sep. 2025 ($6,333 Mil) to Dec. 2025 ($7,846 Mil) and
increased
from Dec. 2025 ($7,846 Mil) to Mar. 2026 ($10,201 Mil).
Onto Innovation's annual market cap
increased
from Dec. 2023 ($7,505 Mil) to Dec. 2024 ($8,206 Mil) but then
declined
from Dec. 2024 ($8,206 Mil) to Dec. 2025 ($7,846 Mil).
Enterprise Value is the theoretical takeover price. It is more comprehensive than market capitalization (market cap), which only includes common equity. Enterprise Value is calculated as the market cap plus debt and minority interest and preferred shares, minus total cash and cash equivalents. Onto Innovation's Enterprise Value for Today is $15,923 Mil.
Onto Innovation (NYSE:ONTO) Market Cap Explanation
Market cap is not the real price you pay for a company. If you buy the company and become its owner, you become the owner of the cash the company has, and you also assume the companys debt. The real price you pay is the Enterprise Value.
Warren Buffett uses the ratio of total market cap of all public traded companies over GDP to measure if the market is expensive. As of April 2012, the US total market cap is about $14.7 trillion, while the US GDP is about $15 trillion. The market was modestly overvalued.
Onto Innovation Market Cap Related Terms
Onto Innovation Market Cap Historical Data
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The historical data trend for Onto Innovation's Market Cap 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.
For the Semiconductor Equipment & Materials subindustry, Onto Innovation's Market Cap, along with its competitors' market caps and Market Cap 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 Market Cap vs Semiconductors Industry
For the Semiconductors industry and Technology sector, Onto Innovation's Market Cap distribution charts can be found below:
* The bar in red indicates where Onto Innovation's Market Cap falls into.
Market cap is the short version of market capitalization. It is the total market value to buy the whole company. It is equal to the share price times the number of shares outstanding.
Onto Innovation's Market Cap for the fiscal year that ended in Dec. 2025 is calculated as
* 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 (ONTO) has a Market Cap of $16,545 Mil as of Jun. 25, 2026. Market cap equals the total value of a company's shares: price times shares outstanding. View historical data on Onto Innovation and its competitors. According to the industry distribution chart, Onto Innovation ranks #94 out of 1034 companies in the Semiconductors industry, placing it in the top 9.1%.
Is Onto Innovation's Market Cap too high?
Onto Innovation's current Market Cap is $16,545 Mil. The Semiconductors industry median Market Cap is 548.73. Onto Innovation's value of $16,545 Mil is 2915.2% above this industry median. Based on the distribution chart, Onto Innovation ranks #94 out of 1034 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 Market Cap compare to NVMI and FORM?
According to the Semiconductors industry distribution chart, Onto Innovation ranks #94 out of 1034 companies for Market Cap. This places Onto Innovation in the top 9% of its industry — outperforming the majority of peers. The industry median Market Cap is 548.73. Onto Innovation's value of $16,545 Mil is 2915.2% above this benchmark. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good Market Cap for a Semiconductors company?
The median Market Cap among Semiconductors companies is 548.73, based on 1,034 companies in the industry. Companies in the top quartile (top 25%) have a Market Cap significantly above this median, while those in the bottom quartile fall well below. However, Market Cap should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Onto Innovation's current Market Cap of $16,545 Mil is 2915.2% above the industry median. Use the industry distribution chart on this page to see where any company falls relative to its peers.
What does a high Market Cap mean?
A high Market Cap can signal that a stock is expensive relative to its fundamentals. Market cap equals the total value of a company's shares: price times shares outstanding. View historical data on Onto Innovation and its competitors. For the Semiconductors industry, the median Market Cap is 548.73 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Onto Innovation's current Market Cap is $16,545 Mil. 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 $332.60 — trading 75.7% above its estimated fair value. The current Market Cap is $16,545 Mil and 2915.2% above the Semiconductors industry median of 548.73. 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 Market Cap calculated?
Market Cap is calculated from a company's financial statements. For Onto Innovation (ONTO), the current Market Cap is $16,545 Mil as of Jun. 25, 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 $332.60 is trading 75.7% above its estimated GF Value™ of $189.26.
GuruFocus considers Onto Innovation to be Significantly Overvalued.
Key valuation signals for ONTO:
Market Cap: $16,545 Mil
GF Value™: $189.26 vs. price of $332.60 (75.7% above fair value)
Industry Position: 2915.2% above the Semiconductors median (#94 of 1034)
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 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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