Zilltek Technology (ROCO:6679) EBITDA Margin %: 39.61% (As of Dec. 2025) — 77% Above Median


ROCO:6679 Zilltek Technology Corp ROCO:6679
83 GF Score
Price NT$265.50
GF Value NT$317.77
Valuation Modestly Undervalued
! 4 Warning Signs
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What is Zilltek Technology EBITDA Margin %?

Zilltek Technology ROCO:6679 +0.76% 83 EBITDA Margin % is 39.61% as of Dec. 2025, which is 77% above its 10-year median of 22.33. GuruFocus rates ROCO:6679 with a GF Score™ of 83/100 and a GF Value™ of NT$317.77 (Modestly Undervalued). The stock has 4 warning signs investors should review. Among 1,021 Semiconductors companies, Zilltek Technology ranks better than 73.16% on this metric.

EBITDA Margin % is calculated as EBITDA divided by its Revenue. Zilltek Technology's EBITDA for the three months ended in Dec. 2025 was NT$189 Mil. Zilltek Technology's Revenue for the three months ended in Dec. 2025 was NT$477 Mil. Therefore, Zilltek Technology's EBITDA margin for the quarter that ended in Dec. 2025 was 39.61%.


Zilltek Technology  (ROCO:6679) EBITDA Margin % Explanation

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.


Zilltek Technology EBITDA Margin % Related Terms


Zilltek Technology EBITDA Margin % Historical Data

* Premium members only.

The historical data trend for Zilltek Technology's EBITDA 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.

Zilltek Technology EBITDA Margin % Chart

Zilltek Technology Annual Data
Trend Dec16 Dec17 Dec18 Dec19 Dec20 Dec21 Dec22 Dec23 Dec24 Dec25
EBITDA Margin %
Get a 7-Day Free Trial Premium Member Only Premium Member Only 28.76 30.98 25.70 28.86 22.96

Zilltek Technology Quarterly Data
Mar21 Jun21 Sep21 Dec21 Mar22 Jun22 Sep22 Dec22 Mar23 Jun23 Sep23 Dec23 Mar24 Jun24 Sep24 Dec24 Mar25 Jun25 Sep25 Dec25
EBITDA Margin % Get a 7-Day Free Trial Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only 27.48 27.52 -18.92 44.65 39.61

ROCO:6679 vs NVDA, AVGO, MU: EBITDA Margin % Comparison

For the Semiconductors subindustry, Zilltek 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.


Zilltek Technology EBITDA Margin % vs Semiconductors Industry

For the Semiconductors industry and Technology sector, Zilltek Technology's EBITDA Margin % distribution charts can be found below:

* The bar in red indicates where Zilltek Technology's EBITDA Margin % falls into.


ROCO:6679
83GF Score
Zilltek Technology Corp ROCO:6679
EBITDA Margin % is just one metric. See GF Score™, valuation, warning signs, and more.
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Zilltek Technology EBITDA Margin % Calculation

EBITDA margin is the ratio of EBITDA divided by net sales or Revenue, usually presented in percent.

Zilltek Technology's EBITDA Margin % for the fiscal year that ended in Dec. 2025 is calculated as

EBITDA Margin %=EBITDA (A: Dec. 2025 )/Revenue (A: Dec. 2025 )
=451.225/1965.689
=22.96 %

Zilltek Technology's EBITDA Margin % for the quarter that ended in Dec. 2025 is calculated as

EBITDA Margin %=EBITDA (Q: Dec. 2025 )/Revenue (Q: Dec. 2025 )
=188.855/476.746
=39.61 %

* 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.

Frequently Asked Questions Learn more about EBITDA Margin % →
What does a EBITDA Margin % of 39.61% mean?
Zilltek Technology (ROCO:6679) has a EBITDA Margin % of 39.61% as of Dec. 2025. EBITDA Margin is the ratio of EBITDA divided by net sales or Revenue, usually presented in percent. View historical data on Zilltek Technology and its competitors. This is 77% above median its historical median of 22.33. Over the past decade, Zilltek Technology's EBITDA Margin % has ranged from 4.93 to 30.98. According to the industry distribution chart, Zilltek Technology ranks #274 out of 1021 companies in the Semiconductors industry, placing it in the top 26.8%.
Is Zilltek Technology's EBITDA Margin % too high?
Zilltek Technology's current EBITDA Margin % of 39.61% is 77% above median its 10-year median of 22.33. Over the past 10 years, this metric has ranged from a low of 4.93 to a high of 30.98. The Semiconductors industry median EBITDA Margin % is 10.54. Zilltek Technology's value of 39.61% is 275.8% above this industry median. Based on the distribution chart, Zilltek Technology ranks #274 out of 1021 companies in the Semiconductors industry, which is above the industry midpoint. Overall, Zilltek Technology has a GF Score™ of 83/100 and is considered Modestly Undervalued, reflecting its overall financial health beyond just this single metric.
How does Zilltek Technology's EBITDA Margin % compare to NVDA and AVGO?
According to the Semiconductors industry distribution chart, Zilltek Technology ranks #274 out of 1021 companies for EBITDA Margin %. This puts Zilltek Technology in the upper half of its industry. The industry median EBITDA Margin % is 10.54. Zilltek Technology's value of 39.61% is 275.8% above this benchmark. Historically, Zilltek Technology's own EBITDA Margin % has ranged from 4.93 to 30.98 over the past decade. While the company's 10-year median is 22.33 vs. the industry median of 10.54, Zilltek 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 10.54, based on 1,021 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. Zilltek Technology's current EBITDA Margin % of 39.61% is 275.8% 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 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 Zilltek Technology and its competitors. For the Semiconductors industry, the median EBITDA Margin % is 10.54 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Zilltek Technology's current EBITDA Margin % is 39.61%, which is 77% above median its own 10-year median of 22.33. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Zilltek Technology stock overvalued right now?
Based on GuruFocus' analysis, Zilltek Technology (ROCO:6679) is currently considered Modestly Undervalued. The stock's GF Value™ is NT$317.77, compared to a current price of NT$265.50 — trading 16.4% below its estimated fair value. The current EBITDA Margin % is 39.61%, which is 77% above median its 10-year median of 22.33 and 275.8% above the Semiconductors industry median of 10.54. Zilltek Technology's overall GF Score™ is 83/100 with 4 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 Zilltek Technology (ROCO:6679), the current EBITDA Margin % is 39.61% 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 Zilltek Technology (ROCO:6679) Overvalued in 2026?

Based on GuruFocus' analysis, Zilltek Technology stock appears to be undervalued. The current stock price of NT$265.50 is trading 16.4% below its estimated GF Value™ of NT$317.77. GuruFocus considers Zilltek Technology to be Modestly Undervalued.

Key valuation signals for ROCO:6679:

  • EBITDA Margin %: 39.61% (77% above median its 10-year median of 22.33)
  • GF Value™: NT$317.77 vs. price of NT$265.50 (16.4% below fair value)
  • GF Score™: 83/100 with 4 warning signs
  • Industry Position: 275.8% above the Semiconductors median (#274 of 1021)

No single metric tells the full story. See the ROCO:6679 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.


Zilltek Technology Business Description

Address No. 6-1, Duxing Road, 5th Floor, Hsinchu Science Park, Hsinchu City, TWN, 30078
Zilltek Technology Corp engaged in the manufacturing of electronic components, buying/selling services, research and development, manufacturing, and sales of sensor and application chipsets. Company focuses on developing compact, energy-saving, and high-performance MEMS technologies to meet a variety of acoustic applications, including but not limited to laptops, TVs, tablets, smartphones, smart watches, smart speakers, drones, hearing aids, IoT devices, TWS headphones, sports equipment, and mobile infotainment systems. It operates in Taiwan, China and Other countries. Majority of revenue is from Taiwan.
83GF Score

Get the complete analysis for ROCO:6679

EBITDA Margin % is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.

NT$265.50
Price
NT$317.77
GF Value