GCS Holdings (4991) Fair Value & Analysis
Technology · TW · Market cap 42.2B TWD
Fair value as of: Jul 20, 2026
From 26 valuation models · updated yesterday
Share price −38.5% over the past month.
Price vs Fair Value (12 months)
12‑month range 130.00 TWD – 870.00 TWD · fair‑value band 163.25 TWD – 569.11 TWD · the 348.00 TWD price screens below the 407.16 TWD fair value. As of Jul 20, 2026.
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GCS Holdings (4991) currently trades at 348.00 TWD, while our model-based Fair Value estimate is 407.16 TWD, implying the stock looks roughly 17.0% undervalued today. We read business quality at 71/100 (solid quality), in the Technology sector. Bull case: trading below our estimate, it may offer upside if the fundamentals hold. Bear case: a low price can be a value trap when quality is weak or the data is thin (evidence: high), always confirm before acting.
Over the trailing twelve months, GCS Holdings generated revenue of 2.4B TWD at a net margin of 12.0%. Revenue grew 51.0% year over year. It earns a return on equity of 8.0%. The balance sheet holds a net cash position of 49.5M TWD. Fundamentals as of Jul 20, 2026
Our scenario range runs from 163.25 TWD (bear case) to 569.11 TWD (bull case); at 348.00 TWD, the current price sits within that range. The share trades about 61% below its 52-week high and 373% above its 52-week low, currently above its 200-day average. For context, the median of 10 Technology peers we cover trades at -71% fair-value upside, at 17%, 4991 screens cheaper than that median.
Key figures & financial health
More key figures
Figures from reported company fundamentals (EODHD) · as of Jul 20, 2026. TTM = trailing twelve months.
About the company
GCS Holdings, Inc., together with its subsidiaries, manufactures and sells compound semiconductor wafer and foundry related services in China, the United States, Taiwan, and internationally. It also researches, develops, manufactures, and sells optoelectronics technology products and optical chips, as well as grants royalty rights for intellectual property. The company engages in the wholesaling and retailing of electronic components; provision of product design, research development, and outsourcing management services; manufacturing and selling of semiconductor discrete devices, as well as photodiodes and avalanche photo diodes for telecommunication systems and data communication networks; and manufacturing, wholesaling, and retailing of telecommunication devices. In addition, it is involved in research, development, production, and sales of KGD-brand optoelectronic products, RF devices, power electronics devices, and optoelectronic devices wafer foundry; provides whole plant …
Revenue & earnings trend
FY2021 – FY2025 · reported fiscal years
GCS Holdings reported revenue of 2.2B TWD in FY2025 versus 1.2B TWD in FY2021, a compound +15.4%/yr. Reported net income was 17.5M TWD in FY2025.
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Similar stocks
10 more Semiconductor Equipment & Materials stocks, each showing price versus our Fair Value estimate (as of Jul 20, 2026).
| Stock | Price | Fair Value | vs Fair Value |
|---|---|---|---|
| ASML Holding ASML | C$50.50 | C$21.24 | -58% |
| Applied Materials, Inc AP2 | €547.30 | €143.71 | -74% |
| Lam Research Corporation LRCX | $303.28 | $101.48 | -67% |
| KLA Corporation KLAC | $1,929 | $742.75 | -61% |
| Tokyo Electron Limited TOELF | $400.05 | $117.43 | -71% |
| NAURA Technology Group 002371 | ¥619.20 | ¥77.68 | -87% |
| Advanced Micro-Fabrication Equipment Inc 688012 | ¥372.74 | ¥45.07 | -88% |
| Piotech Inc 688072 | ¥618.00 | ¥112.44 | -82% |
| Hon. Precision, Inc 7769 | 6,810 TWD | 2,841 TWD | -58% |
| Hangzhou Changchuan Technology Co 300604 | ¥268.49 | ¥33.33 | -88% |
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How we calculate Fair Value
Each company is valued through a stack of independent intrinsic-value models (DCF variants, residual-income, multiples and more), blended into one family-balanced consensus and weighted by how much trustworthy data backs it. A separate quality layer scores the fundamentals. Every input is real reported data, nothing guessed.
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Not financial advice · no buy/sell recommendation. Model-based estimates are not certainties; their reliability depends on data quality and assumptions.