Win Semiconductors (ROCO:3105) Moat Score: 0/10 (As of Jul. 15, 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.
Reviewed by: Charlie Tian Charlie Tian
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:3105 Win Semiconductors Corp ROCO:3105
60 GF Score
Price NT$378.50
GF Value NT$171.42
Valuation Significantly Overvalued
! 2 Warning Signs
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What is Win Semiconductors Moat Score?

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

Win Semiconductors 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 Win Semiconductors might have No Moat - No discernible moat.

Win Semiconductors  (ROCO:3105) 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

Win Semiconductors Moat Score Related Terms

ROCO:3105
60GF Score
Win Semiconductors Corp ROCO:3105
Moat Score is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

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$378.50 is trading 120.8% above its estimated GF Value™ of NT$171.42. GuruFocus considers Win Semiconductors to be Significantly Overvalued.

Key valuation signals for ROCO:3105:

  • Moat Score: 0
  • GF Value™: NT$171.42 vs. price of NT$378.50 (120.8% 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

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

NT$378.50
Price
NT$171.42
GF Value