Win Semiconductors (ROCO:3105) FCF Margin %: -15.21% (As of Mar. 2026)


ROCO:3105 Win Semiconductors Corp ROCO:3105
60 GF Score
Price NT$424.00
GF Value NT$169.48
Valuation Significantly Overvalued
! 2 Warning Signs
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What is Win Semiconductors FCF Margin %?

Win Semiconductors ROCO:3105 -8.42% 60 FCF Margin % is -15.21% as of Mar. 2026. GuruFocus rates ROCO:3105 with a GF Score™ of 60/100 and a GF Value™ of NT$169.48 (Significantly Overvalued). The stock has 2 warning signs investors should review. Among 1,023 Semiconductors companies, Win Semiconductors ranks better than 70.67% on this metric.

FCF Margin % is calculated as Free Cash Flow divided by its Revenue. Win Semiconductors's Free Cash Flow for the three months ended in Mar. 2026 was NT$-698 Mil. Win Semiconductors's Revenue for the three months ended in Mar. 2026 was NT$4,590 Mil. Therefore, Win Semiconductors's FCF Margin % for the quarter that ended in Mar. 2026 was -15.21%.

As of today, Win Semiconductors's current FCF Yield % is 0.84%.

The historical rank and industry rank for Win Semiconductors's FCF Margin % or its related term are showing as below:

ROCO:3105' s FCF Margin % Range Over the Past 10 Years
Min: -6.67   Med: 4.96   Max: 20.76
Current: 8.53


During the past 13 years, the highest FCF Margin % of Win Semiconductors was 20.76%. The lowest was -6.67%. And the median was 4.96%.

ROCO:3105's FCF Margin % is ranked better than
70.67% of 1023 companies
in the Semiconductors industry
Industry Median: -0.76 vs ROCO:3105: 8.53


Win Semiconductors FCF Margin % Related Terms


Win Semiconductors FCF Margin % Historical Data

* Premium members only.

The historical data trend for Win Semiconductors's FCF 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.

Win Semiconductors FCF Margin % Chart

Win Semiconductors Annual Data
Trend Dec16 Dec17 Dec18 Dec19 Dec20 Dec21 Dec22 Dec23 Dec24 Dec25
FCF Margin %
Get a 7-Day Free Trial Premium Member Only Premium Member Only -1.57 -6.67 6.13 20.76 19.18

Win Semiconductors Quarterly Data
Jun21 Sep21 Dec21 Mar22 Jun22 Sep22 Dec22 Mar23 Jun23 Sep23 Dec23 Mar24 Jun24 Sep24 Dec24 Mar25 Jun25 Sep25 Dec25 Mar26
FCF 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 27.60 8.72 18.37 21.89 -15.21

ROCO:3105 vs NVDA, AVGO, MU: FCF Margin % Comparison

For the Semiconductors subindustry, Win Semiconductors's FCF Margin %, along with its competitors' market caps and FCF 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.


Win Semiconductors FCF Margin % vs Semiconductors Industry

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

* The bar in red indicates where Win Semiconductors's FCF Margin % falls into.


ROCO:3105
60GF Score
Win Semiconductors Corp ROCO:3105
FCF Margin % is just one metric. See GF Score™, valuation, warning signs, and more.
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Win Semiconductors FCF Margin % Calculation

FCF margin is the ratio of Free Cash Flow divided by net sales or Revenue, usually presented in percent.

Win Semiconductors's FCF Margin for the fiscal year that ended in Dec. 2025 is calculated as

FCF Margin=Free Cash Flow (A: Dec. 2025 )/Revenue (A: Dec. 2025 )
=3190.863/16638.534
=19.18 %

Win Semiconductors's FCF Margin for the quarter that ended in Mar. 2026 is calculated as

FCF Margin=Free Cash Flow (Q: Mar. 2026 )/Revenue (Q: Mar. 2026 )
=-697.946/4590.06
=-15.21 %

* 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 FCF Margin % →
What does a FCF Margin % of -15.21% mean?
Win Semiconductors (ROCO:3105) has a FCF Margin % of -15.21% as of Mar. 2026. Free cash flow margin is the ratio of total free cash flow to net sales. View historical data on Win Semiconductors and its competitors. According to the industry distribution chart, Win Semiconductors ranks #300 out of 1023 companies in the Semiconductors industry, placing it in the top 29.3%.
Is Win Semiconductors' FCF Margin % too high?
Win Semiconductors' current FCF Margin % is -15.21%. Based on the distribution chart, Win Semiconductors ranks #300 out of 1023 companies in the Semiconductors industry, which is above the industry midpoint. Overall, Win Semiconductors has a GF Score™ of 60/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Win Semiconductors' FCF Margin % compare to NVDA and AVGO?
According to the Semiconductors industry distribution chart, Win Semiconductors ranks #300 out of 1023 companies for FCF Margin %. This puts Win Semiconductors in the upper half of its industry. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good FCF Margin % for a Semiconductors company?
A good FCF Margin % depends on the Semiconductors industry context. However, FCF Margin % 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 FCF Margin % mean?
A high FCF Margin % can signal that a stock is expensive relative to its fundamentals. Free cash flow margin is the ratio of total free cash flow to net sales. View historical data on Win Semiconductors and its competitors. Win Semiconductors's current FCF Margin % is -15.21%. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Win Semiconductors stock overvalued right now?
Based on GuruFocus' analysis, Win Semiconductors (ROCO:3105) is currently considered Significantly Overvalued. The stock's GF Value™ is NT$169.48, compared to a current price of NT$424.00 — trading 150.2% above its estimated fair value. The current FCF Margin % is -15.21%. Win Semiconductors' overall GF Score™ is 60/100 with 2 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is FCF Margin % calculated?
FCF Margin % is calculated from a company's financial statements. For Win Semiconductors (ROCO:3105), the current FCF Margin % is -15.21% 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 Win Semiconductors (ROCO:3105) Overvalued in 2026?

Based on GuruFocus' analysis, Win Semiconductors stock appears to be overvalued. The current stock price of NT$424.00 is trading 150.2% above its estimated GF Value™ of NT$169.48. GuruFocus considers Win Semiconductors to be Significantly Overvalued.

Key valuation signals for ROCO:3105:

  • FCF Margin %: -15.21%
  • GF Value™: NT$169.48 vs. price of NT$424.00 (150.2% above fair value)
  • GF Score™: 60/100 with 2 warning signs

No single metric tells the full story. See the ROCO:3105 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.


Win Semiconductors Business Description

Address No. 69, Keji 7th Road, Hwaya Technology Park, Guishan District, Taoyuan, TWN, 33383
Founded in 1999, Win Semiconductors is the largest foundry for nonsilicon-based semiconductor components, most notably gallium arsenide, or GaAs; gallium nitride, or GaN; and silicon carbide, or SiC. Win Semi wielded over 50% share in the GaAs foundry market in 2025, followed by Advanced Wireless Semiconductor and GCS Holdings. The company's headquarters, four factories, and most of its 3,500 employees are based in Taoyuan City, Taiwan. Its products are applied in mobile, Wi-Fi networks, cellular infrastructure (such as base stations), satellite communication, optical communication, and 3D sensing. The company also provides automated testing and inspection services.
60GF Score

Get the complete analysis for ROCO:3105

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

NT$424.00
Price
NT$169.48
GF Value