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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.
Top Union Electronics's quarterly market cap
declined
from Jun. 2025 (NT$4,655 Mil) to Sep. 2025 (NT$4,608 Mil) and
declined
from Sep. 2025 (NT$4,608 Mil) to Dec. 2025 (NT$4,462 Mil).
Top Union Electronics's annual market cap
increased
from Dec. 2023 (NT$4,506 Mil) to Dec. 2024 (NT$4,698 Mil) but then
declined
from Dec. 2024 (NT$4,698 Mil) to Dec. 2025 (NT$4,462 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. Top Union Electronics's Enterprise Value for Today is NT$2,539 Mil.
Top Union Electronics (ROCO:6266) 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.
* 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.
ROCO:6266 vs AMAT, LRCX, KLAC: Market Cap Comparison
For the Semiconductor Equipment & Materials subindustry, Top Union Electronics'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.
Top Union Electronics Market Cap vs Semiconductors Industry
For the Semiconductors industry and Technology sector, Top Union Electronics's Market Cap distribution charts can be found below:
* The bar in red indicates where Top Union Electronics'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.
Top Union Electronics'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.
Top Union Electronics (ROCO:6266) has a Market Cap of NT$3,854 Mil as of Jul. 23, 2026. Market cap equals the total value of a company's shares: price times shares outstanding. View historical data on Top Union Electronics and its competitors. According to the industry distribution chart, Top Union Electronics ranks #706 out of 1034 companies in the Semiconductors industry, placing it in the top 68.3%.
Is Top Union Electronics' Market Cap too high?
Top Union Electronics' current Market Cap is NT$3,854 Mil. Based on the distribution chart, Top Union Electronics ranks #706 out of 1034 companies in the Semiconductors industry, which is below the industry midpoint. Overall, Top Union Electronics has a GF Score™ of 91/100 and is considered Modestly Undervalued, reflecting its overall financial health beyond just this single metric.
How does Top Union Electronics' Market Cap compare to AMAT and LRCX?
According to the Semiconductors industry distribution chart, Top Union Electronics ranks #706 out of 1034 companies for Market Cap. This places Top Union Electronics in the lower half of its industry. The industry median Market Cap is 484.67. 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 484.67, 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. 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 Top Union Electronics and its competitors. For the Semiconductors industry, the median Market Cap is 484.67 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Top Union Electronics's current Market Cap is NT$3,854 Mil. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Top Union Electronics stock overvalued right now?
Based on GuruFocus' analysis, Top Union Electronics (ROCO:6266) is currently considered Modestly Undervalued. The stock's GF Value™ is NT$30.96, compared to a current price of NT$25.15 — trading 18.8% below its estimated fair value. The current Market Cap is NT$3,854 Mil. Top Union Electronics' overall GF Score™ is 91/100 with 2 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 Top Union Electronics (ROCO:6266), the current Market Cap is NT$3,854 Mil as of Jul. 23, 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 Top Union Electronics (ROCO:6266) Overvalued in 2026?
Based on GuruFocus' analysis, Top Union Electronics stock appears to be undervalued.
The current stock price of NT$25.15 is trading 18.8% below its estimated GF Value™ of NT$30.96.
GuruFocus considers Top Union Electronics to be Modestly Undervalued.
Key valuation signals for ROCO:6266:
Market Cap: NT$3,854 Mil
GF Value™: NT$30.96 vs. price of NT$25.15 (18.8% below fair value)
No single metric tells the full story. See the ROCO:6266 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
Top Union Electronics Corp is principally engaged in the design, manufacture, and technical support of electronic products and communication equipment, as well as providing surface mount technology (SMT) services, processing, and international trade business. The company operates in America, Taiwan, and China, of which it derives maximum revenue.
91GF Score
Get the complete analysis for ROCO:6266
Market Cap is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.
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