Greatek Electronics Inc.

TWSE:2441 Stock Report

Market Cap: NT$36.3b

Greatek Electronics Ownership

Who are the major shareholders and have insiders been buying or selling?

Recent Insider Transactions

Insider Trading Volume

Insider Buying: Insufficient data to determine if insiders have bought more shares than they have sold in the past 3 months.

Ownership Breakdown

What is the ownership structure of 2441?
Owner TypeNumber of SharesOwnership Percentage
Private Companies14,595,0382.57%
Individual Insiders18,545,8893.26%
Institutions40,003,8297.03%
General Public241,002,78642.4%
Public Companies254,698,37944.8%

Dilution of Shares: Shareholders have not been meaningfully diluted in the past year.

Top Shareholders

Top 25 shareholders own 57.51% of the company
OwnershipNameSharesCurrent ValueChange %Portfolio %
42.9%
Powertech Technology Inc.
244,064,379NT$15.6b0%no data
2.31%
Chang Gung Medical Foundation
13,164,000NT$839.9m0%0.65%
1.77%
Zhuang Xian Que
10,051,886NT$641.3m0%no data
1.06%
Chang Wah Electromaterials Inc.
6,020,000NT$384.1m0%no data
1.04%
Dimensional Fund Advisors LP
5,942,474NT$379.1m0.01%no data
1.02%
Hong Wei Venture Capital Co., Ltd.
5,823,602NT$371.5m0%79.4%
1.01%
Qiu Xia Yang
5,731,763NT$365.7m0%no data
0.94%
Norges Bank Investment Management
5,334,000NT$340.3m0%no data
0.81%
Weltrend Semiconductor, Inc.
4,614,000NT$294.4m0%no data
0.79%
BlackRock, Inc.
4,491,086NT$286.5m2.25%no data
0.72%
The Vanguard Group, Inc.
4,086,961NT$260.7m0%no data
0.64%
Boston Partners Global Investors, Inc.
3,626,000NT$231.3m0%no data
0.6%
Teachers Insurance and Annuity Association-College Retirement Equities Fund
3,406,000NT$217.3m0%no data
0.46%
BNY Asset Management
2,624,000NT$167.4m0%no data
0.37%
Jian Chao Ning
2,124,224NT$135.5m0%no data
0.36%
Mega International Investment Trust Co., Ltd.
2,065,862NT$131.8m0%0.3%
0.16%
Tuohai Investment Enterprise Co., Ltd.
931,038NT$59.4m-6.99%no data
0.11%
Union Asset Management Holding AG
599,124NT$38.2m0%no data
0.097%
American Century Investment Management Inc
549,236NT$35.0m10.9%no data
0.091%
State Street Global Advisors, Inc.
517,474NT$33.0m14.1%no data
0.088%
Ruida International Investment Co., Ltd.
500,000NT$31.9m0%no data
0.055%
Zhen Wen Li
313,914NT$20.0m0%no data
0.038%
First Trust Advisors LP
218,394NT$13.9m2.27%no data
0.033%
GWL Investment Management Ltd.
185,301NT$11.8m12.1%no data
0.029%
Geode Capital Management, LLC
166,854NT$10.6m-0.5%no data

Company Analysis and Financial Data Status

DataLast Updated (UTC time)
Company Analysis2025/10/15 06:19
End of Day Share Price 2025/10/15 00:00
Earnings2025/06/30
Annual Earnings2024/12/31

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.

PackageDataTimeframeExample US Source *
Company Financials10 years
  • Income statement
  • Cash flow statement
  • Balance sheet
Analyst Consensus Estimates+3 years
  • Forecast financials
  • Analyst price targets
Market Prices30 years
  • Stock prices
  • Dividends, Splits and Actions
Ownership10 years
  • Top shareholders
  • Insider trading
Management10 years
  • Leadership team
  • Board of directors
Key Developments10 years
  • Company announcements

* 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

Greatek Electronics Inc. is covered by 4 analysts. 0 of those analysts submitted the estimates of revenue or earnings used as inputs to our report. Analysts submissions are updated throughout the day.

AnalystInstitution
Ashley ChungCLSA
Jason WangMasterlink Securities Corp.
Kuan Ming ChenSinoPac Securities Investment Service