GCS Holdings (4991) Stock Overview
Manufactures and sells compound semiconductor wafer and foundry related services in China, the United States, Taiwan, and internationally. More details
| Snowflake Score | |
|---|---|
| Valuation | 1/6 |
| Future Growth | 4/6 |
| Past Performance | 2/6 |
| Financial Health | 5/6 |
| Dividends | 0/6 |
4991 Community Fair Values
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GCS Holdings, Inc. Competitors
Price History & Performance
| Historical stock prices | |
|---|---|
| Current Share Price | NT$142.50 |
| 52 Week High | NT$185.50 |
| 52 Week Low | NT$42.00 |
| Beta | 0.17 |
| 1 Month Change | -9.24% |
| 3 Month Change | -0.35% |
| 1 Year Change | 234.90% |
| 3 Year Change | 274.51% |
| 5 Year Change | 187.30% |
| Change since IPO | 565.52% |
Recent News & Updates
Recent updates
Is Now An Opportune Moment To Examine GCS Holdings, Inc. (GTSM:4991)?
Apr 08
Are GCS Holdings, Inc.'s (GTSM:4991) Mixed Financials Driving The Negative Sentiment?
Mar 16Would Shareholders Who Purchased GCS Holdings' (GTSM:4991) Stock Three Years Be Happy With The Share price Today?
Mar 01A Look At The Fair Value Of GCS Holdings, Inc. (GTSM:4991)
Feb 12Is GCS Holdings (GTSM:4991) A Risky Investment?
Jan 28
Should You Be Impressed By GCS Holdings' (GTSM:4991) Returns on Capital?
Jan 13Should You Think About Buying GCS Holdings, Inc. (GTSM:4991) Now?
Dec 29GCS Holdings, Inc.'s (GTSM:4991) Financials Are Too Obscure To Link With Current Share Price Momentum: What's In Store For the Stock?
Dec 14GCS Holdings' (GTSM:4991) Stock Price Has Reduced 38% In The Past Three Years
Nov 29Shareholder Returns
| 4991 | TW Semiconductor | TW Market | |
|---|---|---|---|
| 7D | 8.0% | 6.6% | 4.4% |
| 1Y | 234.9% | 32.8% | 18.0% |
Return vs Industry: 4991 exceeded the TW Semiconductor industry which returned 30.3% over the past year.
Return vs Market: 4991 exceeded the TW Market which returned 15.9% over the past year.
Price Volatility
| 4991 volatility | |
|---|---|
| 4991 Average Weekly Movement | 10.2% |
| Semiconductor Industry Average Movement | 5.8% |
| Market Average Movement | 4.7% |
| 10% most volatile stocks in TW Market | 8.2% |
| 10% least volatile stocks in TW Market | 2.2% |
Stable Share Price: 4991's share price has been volatile over the past 3 months compared to the TW market.
Volatility Over Time: 4991's weekly volatility (10%) has been stable over the past year, but is still higher than 75% of TW stocks.
About the Company
| Founded | Employees | CEO | Website |
|---|---|---|---|
| 1997 | n/a | Brian Ann | www.gcsincorp.com |
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. In addition, 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.
GCS Holdings, Inc. Fundamentals Summary
| 4991 fundamental statistics | |
|---|---|
| Market cap | NT$16.19b |
| Earnings (TTM) | NT$39.93m |
| Revenue (TTM) | NT$1.90b |
Is 4991 overvalued?
See Fair Value and valuation analysisEarnings & Revenue
| 4991 income statement (TTM) | |
|---|---|
| Revenue | NT$1.90b |
| Cost of Revenue | NT$1.11b |
| Gross Profit | NT$787.38m |
| Other Expenses | NT$747.45m |
| Earnings | NT$39.93m |
Last Reported Earnings
Jun 30, 2025
Next Earnings Date
n/a
| Earnings per share (EPS) | 0.35 |
| Gross Margin | 41.49% |
| Net Profit Margin | 2.10% |
| Debt/Equity Ratio | 6.0% |
How did 4991 perform over the long term?
See historical performance and comparisonCompany Analysis and Financial Data Status
| Data | Last Updated (UTC time) |
|---|---|
| Company Analysis | 2025/10/03 07:51 |
| End of Day Share Price | 2025/10/03 00:00 |
| Earnings | 2025/06/30 |
| Annual Earnings | 2024/12/31 |
Data Sources
The data used in our company analysis is from S&P Global Market Intelligence LLC. The following data is used in our analysis model to generate this report. Data is normalised which can introduce a delay from the source being available.
| Package | Data | Timeframe | Example US Source * |
|---|---|---|---|
| Company Financials | 10 years |
| |
| Analyst Consensus Estimates | +3 years |
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| Market Prices | 30 years |
| |
| Ownership | 10 years |
| |
| Management | 10 years |
| |
| Key Developments | 10 years |
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* Example for US securities, for non-US equivalent regulatory forms and sources are used.
Unless specified all financial data is based on a yearly period but updated quarterly. This is known as Trailing Twelve Month (TTM) or Last Twelve Month (LTM) Data. Learn more.
Analysis Model and Snowflake
Details of the analysis model used to generate this report is available on our Github page, we also have guides on how to use our reports and tutorials on Youtube.
Learn about the world class team who designed and built the Simply Wall St analysis model.
Industry and Sector Metrics
Our industry and section metrics are calculated every 6 hours by Simply Wall St, details of our process are available on Github.
Analyst Sources
GCS Holdings, Inc. is covered by 4 analysts. 1 of those analysts submitted the estimates of revenue or earnings used as inputs to our report. Analysts submissions are updated throughout the day.
| Analyst | Institution |
|---|---|
| Changrong Chen | Capital Securities Corporation |
| null null | Capital Securities Corporation |
| Shuchun Hsiao | Masterlink Securities Corp. |