Unimicron Technology Corp.

TWSE:3037 Stock Report

Market Cap: NT$1.5t

Unimicron Technology 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 3037?
Owner TypeNumber of SharesOwnership Percentage
Individual Insiders18,952,7381.19%
Private Companies26,118,8921.64%
Public Companies204,423,72312.9%
Institutions444,782,63028%
General Public894,066,53856.3%

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

Top Shareholders

Top 25 shareholders own 37.16% of the company
OwnershipNameSharesCurrent ValueChange %Portfolio %
12.9%
United Microelectronics Corporation
204,423,723NT$198.1b0%86.79%
3.63%
BlackRock, Inc.
57,621,004NT$55.8b14.6%0.02%
2.82%
Vanguard Capital Management, LLC
44,776,810NT$43.4b0.22%0.02%
1.61%
Norges Bank Investment Management
25,525,086NT$24.7b0%0.04%
1.5%
Yann Yuan Investment Co., Ltd.
23,778,763NT$23.0b0%no data
1.35%
Uni-President Assets Management Corp.
21,497,174NT$20.8b740%4.86%
1.23%
Yuanta Securities Investment Trust Co., Ltd.
19,540,134NT$18.9b-37.1%0.62%
1.18%
Dimensional Fund Advisors LP
18,756,856NT$18.2b0.12%0.06%
1.05%
Fuh Hwa Securities Investment Trust Co., Ltd.
16,748,363NT$16.2b774%2.29%
1.04%
Nomura Asset Management Taiwan Ltd.
16,578,198NT$16.1b64.6%5.56%
1%
Fidelity International Ltd
15,882,912NT$15.4b2.37%0.15%
0.9%
Cathay Securities Investment Trust Co., LTD
14,294,388NT$13.9b124%1.07%
0.87%
Tzyy Jang Tseng
13,743,556NT$13.3b1.56%no data
0.72%
Vanguard Fiduciary Trust Company
11,447,585NT$11.1b0.3%0.04%
0.69%
Schroder Investment Management Limited
11,032,000NT$10.7b0%0.14%
0.69%
Polar Capital Holdings Plc
10,904,470NT$10.6b-2.35%0.7%
0.68%
T. Rowe Price Group, Inc.
10,853,000NT$10.5b41%0.03%
0.68%
FMR LLC
10,831,140NT$10.5b-44.8%0.01%
0.45%
American Century Investment Management Inc
7,216,558NT$7.0b11.5%0.07%
0.42%
Geode Capital Management, LLC
6,695,340NT$6.5b0.78%0.01%
0.4%
RBC Global Asset Management Inc.
6,381,389NT$6.2b0%0.08%
0.4%
Allianz Asset Management GmbH
6,284,373NT$6.1b936%0.15%
0.34%
Eastspring Investments (Singapore) Limited
5,382,286NT$5.2b11.5%0.5%
0.33%
Capital Investment Trust Corporation
5,305,513NT$5.1b207%0.49%
0.3%
State Street Global Advisors, Inc.
4,740,923NT$4.6b0.15%no data

Company Analysis and Financial Data Status

DataLast Updated (UTC time)
Company Analysis2026/06/10 10:00
End of Day Share Price 2026/06/10 00:00
Earnings2026/03/31
Annual Earnings2025/12/31

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

Unimicron Technology Corp. is covered by 33 analysts. 17 of those analysts submitted the estimates of revenue or earnings used as inputs to our report. Analysts submissions are updated throughout the day.

AnalystInstitution
Yingchao YangBarclays
Hsin-Shan GaiBarclays
Hanxu WangBernstein