GCS Holdings (ROCO:4991) OCF Margin %: 23.58% (As of Mar. 2026) — 24% Above Median

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ROCO:4991 GCS Holdings Inc ROCO:4991
62 GF Score
Price NT$382.50
GF Value NT$111.20
Valuation Significantly Overvalued
! 1 Warning Sign
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What is GCS Holdings OCF Margin %?

GCS Holdings ROCO:4991 +9.91% 62 OCF Margin % is 23.58% as of Mar. 2026, which is 24% above its 10-year median of 19.08. GuruFocus rates ROCO:4991 with a GF Score™ of 62/100 and a GF Value™ of NT$111.20 (Significantly Overvalued). The stock has 1 warning sign investors should review. Among 1,022 Semiconductors companies, GCS Holdings ranks better than 86.4% on this metric.

OCF Margin % is calculated as Cash Flow from Operations divided by its Revenue. GCS Holdings's Cash Flow from Operations for the three months ended in Mar. 2026 was NT$169 Mil. GCS Holdings's Revenue for the three months ended in Mar. 2026 was NT$715 Mil. Therefore, GCS Holdings's OCF Margin % for the quarter that ended in Mar. 2026 was 23.58%.

As of today, GCS Holdings's current OCF Yield % is 0.91%.

The historical rank and industry rank for GCS Holdings's OCF Margin % or its related term are showing as below:

ROCO:4991' s OCF Margin % Range Over the Past 10 Years
Min: -5.04   Med: 19.08   Max: 29.89
Current: 27.61


During the past 13 years, the highest OCF Margin % of GCS Holdings was 29.89%. The lowest was -5.04%. And the median was 19.08%.

ROCO:4991's OCF Margin % is ranked better than
86.4% of 1022 companies
in the Semiconductors industry
Industry Median: 9.435 vs ROCO:4991: 27.61


GCS Holdings OCF Margin % Related Terms


GCS Holdings OCF Margin % Historical Data

* Premium members only.

The historical data trend for GCS Holdings's OCF 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.

GCS Holdings OCF Margin % Chart

GCS Holdings Annual Data
Trend Dec16 Dec17 Dec18 Dec19 Dec20 Dec21 Dec22 Dec23 Dec24 Dec25
OCF Margin %
Get a 7-Day Free Trial Premium Member Only Premium Member Only 17.46 -5.04 -4.95 25.37 18.05

GCS Holdings Quarterly Data
Jun21 Sep21 Dec21 Mar22 Jun22 Sep22 Dec22 Mar23 Jun23 Sep23 Dec23 Mar24 Jun24 Sep24 Dec24 Mar25 Jun25 Sep25 Dec25 Mar26
OCF 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 -22.85 12.98 54.65 20.86 23.58

ROCO:4991 vs AMAT, LRCX, KLAC: OCF Margin % Comparison

For the Semiconductor Equipment & Materials subindustry, GCS Holdings's OCF Margin %, along with its competitors' market caps and OCF 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.


GCS Holdings OCF Margin % vs Semiconductors Industry

For the Semiconductors industry and Technology sector, GCS Holdings's OCF Margin % distribution charts can be found below:

* The bar in red indicates where GCS Holdings's OCF Margin % falls into.


ROCO:4991
62GF Score
GCS Holdings Inc ROCO:4991
OCF Margin % is just one metric. See GF Score™, valuation, warning signs, and more.
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GCS Holdings OCF Margin % Calculation

OCF Margin % is the ratio of Cash Flow from Operations divided by net sales or Revenue, usually presented in percent.

GCS Holdings's OCF Margin for the fiscal year that ended in Dec. 2025 is calculated as

OCF Margin=Cash Flow from Operations (A: Dec. 2025 )/Revenue (A: Dec. 2025 )
=396.121/2195.155
=18.05 %

GCS Holdings's OCF Margin for the quarter that ended in Mar. 2026 is calculated as

OCF Margin=Cash Flow from Operations (Q: Mar. 2026 )/Revenue (Q: Mar. 2026 )
=168.507/714.68
=23.58 %

* 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 OCF Margin % →
What does a OCF Margin % of 23.58% mean?
GCS Holdings (ROCO:4991) has a OCF Margin % of 23.58% as of Mar. 2026. OCF Margin is the ratio of Cash Flow from Operations to Total Revenue. View historical data on GCS Holdings and its competitors. This is 24% above median its historical median of 19.08. According to the industry distribution chart, GCS Holdings ranks #139 out of 1022 companies in the Semiconductors industry, placing it in the top 13.6%.
Is GCS Holdings' OCF Margin % too high?
GCS Holdings' current OCF Margin % of 23.58% is 24% above median its 10-year median of 19.08. The Semiconductors industry median OCF Margin % is 9.44. GCS Holdings' value of 23.58% is 149.9% above this industry median. Based on the distribution chart, GCS Holdings ranks #139 out of 1022 companies in the Semiconductors industry, which is in the top quartile — a strong position relative to peers. Overall, GCS Holdings has a GF Score™ of 62/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does GCS Holdings' OCF Margin % compare to AMAT and LRCX?
According to the Semiconductors industry distribution chart, GCS Holdings ranks #139 out of 1022 companies for OCF Margin %. This places GCS Holdings in the top 14% of its industry — outperforming the majority of peers. The industry median OCF Margin % is 9.44. GCS Holdings' value of 23.58% is 149.9% above this benchmark. While the company's 10-year median is 19.08 vs. the industry median of 9.44, GCS Holdings 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 OCF Margin % for a Semiconductors company?
The median OCF Margin % among Semiconductors companies is 9.44, based on 1,022 companies in the industry. Companies in the top quartile (top 25%) have a OCF Margin % significantly above this median, while those in the bottom quartile fall well below. However, OCF Margin % should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. GCS Holdings's current OCF Margin % of 23.58% is 149.9% 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 OCF Margin % mean?
A high OCF Margin % can signal that a stock is expensive relative to its fundamentals. OCF Margin is the ratio of Cash Flow from Operations to Total Revenue. View historical data on GCS Holdings and its competitors. For the Semiconductors industry, the median OCF Margin % is 9.44 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. GCS Holdings's current OCF Margin % is 23.58%, which is 24% above median its own 10-year median of 19.08. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is GCS Holdings stock overvalued right now?
Based on GuruFocus' analysis, GCS Holdings (ROCO:4991) is currently considered Significantly Overvalued. The stock's GF Value™ is NT$111.20, compared to a current price of NT$382.50 — trading 244% above its estimated fair value. The current OCF Margin % is 23.58%, which is 24% above median its 10-year median of 19.08 and 149.9% above the Semiconductors industry median of 9.44. GCS Holdings' overall GF Score™ is 62/100 with 1 warning sign to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is OCF Margin % calculated?
OCF Margin % is calculated from a company's financial statements. For GCS Holdings (ROCO:4991), the current OCF Margin % is 23.58% 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 GCS Holdings (ROCO:4991) Overvalued in 2026?

Based on GuruFocus' analysis, GCS Holdings stock appears to be overvalued. The current stock price of NT$382.50 is trading 244% above its estimated GF Value™ of NT$111.20. GuruFocus considers GCS Holdings to be Significantly Overvalued.

Key valuation signals for ROCO:4991:

  • OCF Margin %: 23.58% (24% above median its 10-year median of 19.08)
  • GF Value™: NT$111.20 vs. price of NT$382.50 (244% above fair value)
  • GF Score™: 62/100 with 1 warning sign
  • Industry Position: 149.9% above the Semiconductors median (#139 of 1022)

No single metric tells the full story. See the ROCO:4991 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.


GCS Holdings Business Description

Address 23155 Kashiwa Court, Torrance, CA, USA, 90505
GCS Holdings Inc through its subsidiaries, is engaged in the manufacturing of compound semiconductor wafers and foundry-related services as well as the licensing of intellectual property. It is also engaged in the research, development, manufacture, and sales of optoelectronics technology products. Its portfolio offerings include Radio Frequency Integrated Circuits (RFIC) and millimeter-wave integrated circuits for the wireless markets, power devices for power electronics, and Photodetectors and Lasers for the optical communications market. Geographically, the company generates a majority of its revenue from China and the rest from the United States, Taiwan, and other markets.
62GF Score

Get the complete analysis for ROCO:4991

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

NT$382.50
Price
NT$111.20
GF Value