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.
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.
Silicon Motion TechnologySTU:S9M -4.48%75 EBITDA Margin % is 17.88% as of Mar. 2026, which is 11% below its 10-year median of 20.08. GuruFocus rates STU:S9M with a GF Score™ of 75/100 and a GF Value™ of €103.90 (Significantly Overvalued). The stock has 6 warning signs investors should review. Among 1,023 Semiconductors companies, Silicon Motion Technology ranks better than 60.9% on this metric.
EBITDA Margin % is the ratio of EBITDA divided by net sales or Revenue. It is an performance metric measuring company's operating profitability. EBITDA Margin takes depreciation and amortization, interest expense and tax into account, which makes it easy to compare the relative profitability of companies of different sizes in the same industry.
Silicon Motion Technology EBITDA Margin % Related Terms
Silicon Motion Technology EBITDA Margin % Historical Data
* 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.
STU:S9M vs SWKS, ALGM, MXL: EBITDA Margin % Comparison
For the Semiconductors subindustry, Silicon Motion Technology's EBITDA Margin %, along with its competitors' market caps and EBITDA 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.
Silicon Motion Technology EBITDA Margin % vs Semiconductors Industry
For the Semiconductors industry and Technology sector, Silicon Motion Technology's EBITDA Margin % distribution charts can be found below:
* The bar in red indicates where Silicon Motion Technology's EBITDA 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.
Silicon Motion Technology (STU:S9M) has a EBITDA Margin % of 17.88% as of Mar. 2026. EBITDA Margin is the ratio of EBITDA divided by net sales or Revenue, usually presented in percent. View historical data on Silicon Motion Technology and its competitors. This is 11% below median its historical median of 20.08. Over the past decade, Silicon Motion Technology's EBITDA Margin % has ranged from 9.86 to 28.68. According to the industry distribution chart, Silicon Motion Technology ranks #400 out of 1023 companies in the Semiconductors industry, placing it in the top 39.1%.
Is Silicon Motion Technology's EBITDA Margin % too high?
Silicon Motion Technology's current EBITDA Margin % of 17.88% is 11% below median its 10-year median of 20.08. Over the past 10 years, this metric has ranged from a low of 9.86 to a high of 28.68. The Semiconductors industry median EBITDA Margin % is 10.71. Silicon Motion Technology's value of 17.88% is 66.9% above this industry median. Based on the distribution chart, Silicon Motion Technology ranks #400 out of 1023 companies in the Semiconductors industry, which is above the industry midpoint. Overall, Silicon Motion Technology has a GF Score™ of 75/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Silicon Motion Technology's EBITDA Margin % compare to SWKS and ALGM?
According to the Semiconductors industry distribution chart, Silicon Motion Technology ranks #400 out of 1023 companies for EBITDA Margin %. This puts Silicon Motion Technology in the upper half of its industry. The industry median EBITDA Margin % is 10.71. Silicon Motion Technology's value of 17.88% is 66.9% above this benchmark. Historically, Silicon Motion Technology's own EBITDA Margin % has ranged from 9.86 to 28.68 over the past decade. While the company's 10-year median is 20.08 vs. the industry median of 10.71, Silicon Motion Technology 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 EBITDA Margin % for a Semiconductors company?
The median EBITDA Margin % among Semiconductors companies is 10.71, based on 1,023 companies in the industry. Companies in the top quartile (top 25%) have a EBITDA Margin % significantly above this median, while those in the bottom quartile fall well below. However, EBITDA Margin % should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Silicon Motion Technology's current EBITDA Margin % of 17.88% is 66.9% 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 EBITDA Margin % mean?
A high EBITDA Margin % can signal that a stock is expensive relative to its fundamentals. EBITDA Margin is the ratio of EBITDA divided by net sales or Revenue, usually presented in percent. View historical data on Silicon Motion Technology and its competitors. For the Semiconductors industry, the median EBITDA Margin % is 10.71 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Silicon Motion Technology's current EBITDA Margin % is 17.88%, which is 11% below median its own 10-year median of 20.08. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Silicon Motion Technology stock overvalued right now?
Based on GuruFocus' analysis, Silicon Motion Technology (STU:S9M) is currently considered Significantly Overvalued. The stock's GF Value™ is €103.90, compared to a current price of €256.00 — trading 146.4% above its estimated fair value. The current EBITDA Margin % is 17.88%, which is 11% below median its 10-year median of 20.08 and 66.9% above the Semiconductors industry median of 10.71. Silicon Motion Technology's overall GF Score™ is 75/100 with 6 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is EBITDA Margin % calculated?
EBITDA Margin % is calculated from a company's financial statements. For Silicon Motion Technology (STU:S9M), the current EBITDA Margin % is 17.88% as of Mar. 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 Silicon Motion Technology (STU:S9M) Overvalued in 2026?
Based on GuruFocus' analysis, Silicon Motion Technology stock appears to be overvalued.
The current stock price of €256.00 is trading 146.4% above its estimated GF Value™ of €103.90.
GuruFocus considers Silicon Motion Technology to be Significantly Overvalued.
Key valuation signals for STU:S9M:
EBITDA Margin %: 17.88% (11% below median its 10-year median of 20.08)
GF Value™: €103.90 vs. price of €256.00 (146.4% above fair value)
Industry Position: 66.9% above the Semiconductors median (#400 of 1023)
No single metric tells the full story. See the STU:S9M stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
Silicon Motion Technology Corp is engaged in developing NAND flash controllers for SSDs and other solid-state storage devices. Its only operating segment is to develop NAND flash controllers and SSD solutions. The company derives revenue from product categories such as Mobile Storage, Mobile Communications, and others. Silicon's geographical segments are Taiwan, the United States, Korea, China, Singapore, Malaysia, and others. The company's products are used in Personal Computing, Smartphone/Tablet/CE, Flash Card/USB Flash Drive, Industrial and Embedded, Automotive, and Enterprise and Data centers.
75GF Score
Get the complete analysis for STU:S9M
EBITDA Margin % is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.
Quick Browse
Personalize
Premium Gurus 
Create New Portfolio
STU:S9M has been successfully added to your 
