G-TECH Optoelectronics Corporation (3149.TW)
Miaoli, TW
G-TECH Optoelectronics Corporation, a Taiwanese firm specializing in the processing of optoelectronic glass, is headquartered in Miaoli. Founded in 1996 as Positive Technology Glass Co., Ltd., it rebranded to its current name in May 2001. The company operates across three primary business segments: Optoelectronics, Green Building, and Other Services. Within its Optoelectronics segment, G-TECH manufactures and processes glass for diverse applications, including scanners, photocopiers, and both TN/STN and TFT LCD displays. The company's product portfolio further encompasses specialized glass types such as 3D formed, low-E energy-saving, tempered paint, thinned, coated, strengthened, and cover glass. They also produce smart mirrors featuring easy-clean and fog-proof properties. Under its Green Building segment, G-TECH provides surface processing for architectural glass and offers comprehensive manufacturing services, including tempering, shaping, laminating, and insulating. Beyond specific product lines, G-TECH's expertise covers fundamental glass processing techniques such as cutting, polishing, thinning, strengthening, and various coating applications. G-TECH's diverse glass solutions are integral to various sectors, spanning both consumer electronics and non-consumer markets like architecture and automotive.
No mergers or acquisitions recorded for this company.
| Indicator | 1D | 1W | 2W | 3W | 1M |
|---|
Day Score & sub-scores
Statistical fingerprint & regime detail
Conditional historical analysis
Customize analysis (advanced)
| 1D | 5D | 1M | 3M | 6M | YTD | 1Y | 3Y | 5Y | 10Y | Max |
|---|---|---|---|---|---|---|---|---|---|---|
| +8.37% | +9.43% | +33.73% | +5.49% | +50.13% | +58.24% | +51.77% | +163.86% | +23.94% | +198.98% | -42.61% |
Revenue flow
Revenue by geography
Revenue by segment
Revenue composition
By product
By geography
Income Statement
Balance Sheet
Cash Flow Statement
Key Metrics
Financial Ratios
Employees
Financial Growth (CAGR)
Market Data
| Rating | 2025-01 | Change |
|---|---|---|
| Strong Buy | 1 | 0 |
| Buy | 0 | 0 |
| Hold | 0 | 0 |
| Sell | 0 | 0 |
| Strong Sell | 0 | 0 |
-
Revenue growth Chemicals - Specialty: +4.7%+5.5% ★ Q1'26: +25.4% (vs Q1'25)
-
EPS growth Chemicals - Specialty: +13.2%-102.1% Q1'26: +52.6% (vs Q1'25)
-
FCF margin FCF growth · Chemicals - Specialty: +44.1%-23.1% Q1'26: -45.2% (vs Q1'25)
-
EBIT margin Chemicals - Specialty: +8.8%-26.4% Q1'26: -15.8% (vs Q1'25)
-
ROIC Chemicals - Specialty: +5.6%-17.7% Q1'26: -11.0% (vs Q1'25)
-
Share dilution Chemicals - Specialty: +0.1%+24.0% Q1'26: +22.1% (vs Q1'25)
-
Debt / EBITDA Net debt/EBITDA · Chemicals - Specialty: 0.18×-3.60× Q1'26: -4.41× (vs Q1'25)
* These projections are based on analyst consensus estimates and user-defined valuation multiples. This table is for informational purposes only and does not constitute a recommendation to buy or sell any security. Past performance is not indicative of future results.
| Metric |
Dec 2015 actual |
Dec 2016 actual |
Dec 2017 actual |
Dec 2018 actual |
Dec 2019 actual |
Dec 2020 actual |
Dec 2021 actual |
Dec 2024 actual |
Dec 2025 actual |
|---|---|---|---|---|---|---|---|---|---|
| Revenue |
5.64B
est: 5.83B (-3.2%)
|
2.56B
est: 5.66B (-54.8%)
|
3.63B
est: 3.56B (+1.9%)
|
4.17B
est: 3.09B (+34.9%)
|
2.87B
est: 2.80B (+2.4%)
|
2.45B
est: 2.48B (-1.3%)
|
2.61B
est: 2.41B (+8.6%)
|
2.16B
est: 2.17B (-0.3%)
|
2.28B
est: 2.43B (-6.0%)
|
| EBITDA |
-3.54B
est: 44.40M (-8,072.1%)
|
853.52M
est: 43.15M (+1,878.2%)
|
-135.48M
est: 27.11M (-599.7%)
|
186.49M
est: 23.55M (+692.0%)
|
289.48M
est: 21.33M (+1,257.2%)
|
19.39M
est: 18.90M (+2.6%)
|
127.98M
est: 18.33M (+598.3%)
|
-55.98M
est: -73.69M (+24.0%)
|
-456.46M
est: -82.45M (-453.6%)
|
| EBIT |
-4.87B
est: -436.26M (-1,015.6%)
|
-274.24M
est: -423.99M (+35.3%)
|
65.59M
est: -266.41M (+124.6%)
|
-72.53M
est: -231.38M (+68.7%)
|
-17.85M
est: -209.60M (+91.5%)
|
-256.44M
est: -185.72M (-38.1%)
|
-81.90M
est: -180.10M (+54.5%)
|
-192.35M
est: -231.44M (+16.9%)
|
-601.94M
est: -258.96M (-132.4%)
|
| Net Income |
-5.13B
est: -6.23B (+17.7%)
|
-451.09M
est: -1.21B (+62.7%)
|
19.58M
est: 7.32M (+167.3%)
|
-124.50M
est: -65.91M (-88.9%)
|
-60.37M
est: -68.36M (+11.7%)
|
-293.12M
est: -297.84M (+1.6%)
|
-120.80M
est: -34.18M (-253.4%)
|
-240.76M
est: -191.98M (-25.4%)
|
-604.61M
est: -212.62M (-184.4%)
|
| SGA |
800.14M
est: 467.21M (+71.3%)
|
339.54M
est: 454.07M (-25.2%)
|
302.52M
est: 285.31M (+6.0%)
|
202.29M
est: 247.80M (-18.4%)
|
152.61M
est: 224.47M (-32.0%)
|
165.93M
est: 198.89M (-16.6%)
|
176.32M
est: 192.88M (-8.6%)
|
216.74M
est: 191.95M (+12.9%)
|
249.33M
est: 214.78M (+16.1%)
|
| EPS |
-29.82
est: -36.43 (+18.1%)
|
-2.63
est: -7.06 (+62.8%)
|
0.11
est: 0.04 (+157.0%)
|
-0.63
est: -0.39 (-63.5%)
|
-0.29
est: -0.40 (+27.4%)
|
-1.44
est: -1.74 (+17.3%)
|
-0.90
est: -0.20 (-350.5%)
|
-1.41
est: -0.90 (-55.8%)
|
-2.85
est: -1.00 (-184.4%)
|
| Date | Rating | Overall | DCF | ROE | ROA | D/E | P/E | P/B |
|---|---|---|---|---|---|---|---|---|
| 2026-05-12 | D+ | 1/5 | 1/5 | 1/5 | 1/5 | 1/5 | 1/5 | 2/5 |
| 2026-05-11 | D+ | 1/5 | 1/5 | 1/5 | 1/5 | 1/5 | 1/5 | 2/5 |
| 2026-05-08 | D+ | 1/5 | 1/5 | 1/5 | 1/5 | 1/5 | 1/5 | 2/5 |
| 2026-05-07 | D+ | 1/5 | 1/5 | 1/5 | 1/5 | 1/5 | 1/5 | 2/5 |
| 2026-05-06 | D+ | 1/5 | 1/5 | 1/5 | 1/5 | 1/5 | 1/5 | 2/5 |
| 2026-05-05 | D+ | 1/5 | 1/5 | 1/5 | 1/5 | 1/5 | 1/5 | 2/5 |
| 2026-05-04 | D+ | 1/5 | 1/5 | 1/5 | 1/5 | 1/5 | 1/5 | 2/5 |
| 2026-04-30 | D+ | 1/5 | 1/5 | 1/5 | 1/5 | 1/5 | 1/5 | 2/5 |
| 2026-04-29 | D+ | 1/5 | 1/5 | 1/5 | 1/5 | 1/5 | 1/5 | 2/5 |
| 2026-04-28 | D+ | 1/5 | 1/5 | 1/5 | 1/5 | 1/5 | 1/5 | 2/5 |
| 2026-04-27 | D+ | 1/5 | 1/5 | 1/5 | 1/5 | 1/5 | 1/5 | 2/5 |
| 2026-04-24 | D+ | 1/5 | 1/5 | 1/5 | 1/5 | 1/5 | 1/5 | 2/5 |
| 2026-04-23 | D+ | 1/5 | 1/5 | 1/5 | 1/5 | 1/5 | 1/5 | 2/5 |
| 2026-04-22 | D+ | 1/5 | 1/5 | 1/5 | 1/5 | 1/5 | 1/5 | 2/5 |
| 2026-04-21 | D+ | 1/5 | 1/5 | 1/5 | 1/5 | 1/5 | 1/5 | 2/5 |
| 2026-04-20 | D+ | 1/5 | 1/5 | 1/5 | 1/5 | 1/5 | 1/5 | 2/5 |
| 2026-04-17 | D+ | 1/5 | 1/5 | 1/5 | 1/5 | 1/5 | 1/5 | 2/5 |
| 2026-04-16 | D+ | 1/5 | 1/5 | 1/5 | 1/5 | 1/5 | 1/5 | 2/5 |
Owner Earnings
Ownership Overview
Ownership breakdown not available.
No beneficial ownership filings recorded.
Institutional Activity (13F)
Institutional history not available.
Top holders not available.
ETF Ownership
| # | ETF | Weight | Est. AUM exposure | TER |
|---|---|---|---|---|
| 1 | State Street SPDR S&P Emerging Markets Small Cap ETF EWX | 0.04% | 273.9K | 0.65% |
Insider Activity
No insider activity available.
Insider history not available.
No recent insider transactions.
Executive team
Executive compensation
Executive compensation not available.
No CEO compensation history available.
Proxy statements
No proxy statements available for this company yet.
Recent SEC filings
No SEC filings available for this company yet.
Executive team
| Name | Title | Compensation | Gender |
|---|---|---|---|
| Chih-Ming Chung | Chairman & President | 9M | male |
| Hsien-Yi Hsu | Assistant Manager | 3M | male |
| Hsing-Chiao Lin | Assistant Manager | 3M | male |
| Ju-Wen Wang | Assistant Manager | 3M | male |
| Yung-Cheng Huang | Assistant Manager | 3M | male |
| Yu-Te Hung | Assistant Manager | 3M | male |
| Yao-Chang Wang | Vice President | 2M | male |
| Huo-Sheng Chiu | Vice President | 2M | male |
| Tsung-Tien Tsai | Assistant Manager and R&D Director | — | male |
| Tai-Chiou Wu | Finance Director & Accounting Supervisor | — | male |
No data available for this company.
No Senate trading activity found for this company.
No House trading activity found for this company.
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Community Opinion for 3149.TW
Short-term intention
Target Price Distribution
These are community opinions and do not constitute buy or sell advice to act on. The results shown are based on aggregated opinions and are not an investment recommendation, nor do they intend to influence any investment decision.

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