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3S Silicon TechROCO:5297 -0.71%68 Gross Margin % is 47.03% as of Dec. 2025, which is 8% above its 10-year median of 43.73. GuruFocus rates ROCO:5297 with a GF Score™ of 68/100 and a GF Value™ of NT$26.91 (Significantly Overvalued). The stock has 5 warning signs investors should review. Among 1,011 Semiconductors companies, 3S Silicon Tech ranks better than 78.34% on this metric.
Warren Buffett believes that firms with excellent long term economics tend to have consistently higher margins.
Durable competitive advantage creates a high Gross Margin % because of the freedom to price in excess of cost. Companies can be categorized by their Gross Margin %
1. Greater than 40% = Durable competitive advantage
2. Less than 40% = Competition eroding margins
3. Less than 20% = no sustainable competitive advantage
Consistency of Gross Margin is key
3S Silicon Tech had a gross margin of 47.03% for the quarter that ended in Dec. 2025 => Durable competitive advantage
Be Aware
If a company loses its competitive advantages, usually its gross margin declines well before its sales declines. Watching Gross Margin % and Operating Margin % closely helps avoid value trap situations.
3S Silicon Tech Gross Margin % Related Terms
3S Silicon Tech Gross Margin % Historical Data
* Premium members only.
The historical data trend for 3S Silicon Tech's Gross Margin % 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.
ROCO:5297 vs NVDA, AVGO, MU: Gross Margin % Comparison
For the Semiconductors subindustry, 3S Silicon Tech's Gross Margin %, along with its competitors' market caps and Gross Margin % 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.
3S Silicon Tech Gross Margin % vs Semiconductors Industry
For the Semiconductors industry and Technology sector, 3S Silicon Tech's Gross Margin % distribution charts can be found below:
* The bar in red indicates where 3S Silicon Tech's Gross Margin % falls into.
* 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.
A positive Gross Profit is only the first step for a company to make a net profit. The gross profit needs to be big enough to also cover related labor, equipment, rental, marketing/advertising, research and development and a lot of other costs in selling the products.
3S Silicon Tech (ROCO:5297) has a Gross Margin % of 47.03% as of Dec. 2025. Gross margin is the ratio of total gross profit to net sales. View historical data on 3S Silicon Tech and its competitors. This is near median its historical median of 43.73. Over the past decade, 3S Silicon Tech's Gross Margin % has ranged from 39.51 to 52.61. According to the industry distribution chart, 3S Silicon Tech ranks #219 out of 1011 companies in the Semiconductors industry, placing it in the top 21.7%.
Is 3S Silicon Tech's Gross Margin % too high?
3S Silicon Tech's current Gross Margin % of 47.03% is near median its 10-year median of 43.73. Over the past 10 years, this metric has ranged from a low of 39.51 to a high of 52.61. The Semiconductors industry median Gross Margin % is 29.61. 3S Silicon Tech's value of 47.03% is 58.8% above this industry median. Based on the distribution chart, 3S Silicon Tech ranks #219 out of 1011 companies in the Semiconductors industry, which is in the top quartile — a strong position relative to peers. Overall, 3S Silicon Tech has a GF Score™ of 68/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does 3S Silicon Tech's Gross Margin % compare to NVDA and AVGO?
According to the Semiconductors industry distribution chart, 3S Silicon Tech ranks #219 out of 1011 companies for Gross Margin %. This places 3S Silicon Tech in the top 22% of its industry — outperforming the majority of peers. The industry median Gross Margin % is 29.61. 3S Silicon Tech's value of 47.03% is 58.8% above this benchmark. Historically, 3S Silicon Tech's own Gross Margin % has ranged from 39.51 to 52.61 over the past decade. While the company's 10-year median is 43.73 vs. the industry median of 29.61, 3S Silicon Tech has consistently been above the industry average. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good Gross Margin % for a Semiconductors company?
The median Gross Margin % among Semiconductors companies is 29.61, based on 1,011 companies in the industry. Companies in the top quartile (top 25%) have a Gross Margin % significantly above this median, while those in the bottom quartile fall well below. However, Gross Margin % should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. 3S Silicon Tech's current Gross Margin % of 47.03% is 58.8% 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 Gross Margin % mean?
A high Gross Margin % can signal that a stock is expensive relative to its fundamentals. Gross margin is the ratio of total gross profit to net sales. View historical data on 3S Silicon Tech and its competitors. For the Semiconductors industry, the median Gross Margin % is 29.61 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. 3S Silicon Tech's current Gross Margin % is 47.03%, which is near median its own 10-year median of 43.73. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is 3S Silicon Tech stock overvalued right now?
Based on GuruFocus' analysis, 3S Silicon Tech (ROCO:5297) is currently considered Significantly Overvalued. The stock's GF Value™ is NT$26.91, compared to a current price of NT$69.50 — trading 158.3% above its estimated fair value. The current Gross Margin % is 47.03%, which is near median its 10-year median of 43.73 and 58.8% above the Semiconductors industry median of 29.61. 3S Silicon Tech's overall GF Score™ is 68/100 with 5 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is Gross Margin % calculated?
Gross Margin % is calculated from a company's financial statements. For 3S Silicon Tech (ROCO:5297), the current Gross Margin % is 47.03% as of Dec. 2025. 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 3S Silicon Tech (ROCO:5297) Overvalued in 2026?
Based on GuruFocus' analysis, 3S Silicon Tech stock appears to be overvalued.
The current stock price of NT$69.50 is trading 158.3% above its estimated GF Value™ of NT$26.91.
GuruFocus considers 3S Silicon Tech to be Significantly Overvalued.
Key valuation signals for ROCO:5297:
Gross Margin %: 47.03% (near median its 10-year median of 43.73)
GF Value™: NT$26.91 vs. price of NT$69.50 (158.3% above fair value)
Industry Position: 58.8% above the Semiconductors median (#219 of 1011)
No single metric tells the full story. See the ROCO:5297 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
3S Silicon Tech Inc. is a Taiwan-based company that offers die bonding for discrete power devices. Its products include clip-die bonders for power devices, snap ovens, customized equipment, and an open lab platform. 3S also provides intelligent automatic assembly machine systems, focusing on the packaging technology of discrete power semiconductors, supported by solutions and services. The company's systems include die-attach machines, stencil printers, copper strip die bonders, vacuum reflow ovens, and formic acid vacuum reflow ovens.
68GF Score
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