GCS Holdings (ROCO:4991) Moat Score: 0/10 (As of Jul. 22, 2026)

Author: Vera Yuan Vera Yuan
Vera Yuan
Vera Yuan
Director of Data and Quant Analytics at GuruFocus
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.
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Charlie Tian
Charlie Tian
Founder & CEO of GuruFocus
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.

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 Moat Score?

GCS Holdings has the Moat Score of 0, which implies that the company might have No Moat - No discernible moat.

GCS Holdings has

Moat Score is a ranking system developed by GuruFocus to assess a company's ability to sustain a competitive advantage, rated on a scale from 0 to 10. It takes into account key factors such as market leadership, cost advantages, network effects, customer switching costs, and more.

The company's Moat Score is based on these criteria:

1. Market leadership and sustainable market share
2. Network effects and significant customer switching costs
3. Valuable intellectual property and patents
4. Strong brand strength and deep customer loyalty
5. Durable cost advantages (e.g., economies of scale, proprietary technology)
6. Significant regulatory barriers and exclusive licenses
7. Superior distribution network
8. Strong and sustainable pricing power
9. Consistent and impactful innovation and R&D capabilities

Based on the research, GuruFocus believes GCS Holdings might have No Moat - No discernible moat.


GCS Holdings  (ROCO:4991) Moat Score Explanation

The Moat Score ranges from 0 to 10, with 10 as the highest. GuruFocus divided Moat Score into following 8 categories:

Moat Score Moat Level
10Wide Moat - Exceptionally dominant and durable wide moat
8 - 9Wide Moat - Clear and robust wide moat
7Wide Moat - Entry-level wide moat, clearly possessing durable advantages
6Narrow Moat - Strong narrow moat, clearly distinguishable but not wide
5Narrow Moat - Solid narrow moat
4Narrow Moat - Discernible but modest moat
1 - 3No Moat - Very weak/transient advantages
0No Moat - No discernible moat

GCS Holdings Moat Score Related Terms

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

  • Moat Score: 0
  • GF Value™: NT$111.20 vs. price of NT$382.50 (244% above fair value)
  • GF Score™: 62/100 with 1 warning sign

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

Moat Score 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