Amkor Technology, Inc.

NasdaqGS:AMKR Stock Report

Market Cap: US$8.6b

Amkor Technology Ownership

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

Recent Insider Transactions

NasdaqGS:AMKR Recent Insider Transactions by Companies or Individuals
DateValueNameEntityRoleSharesMax Price
09 Sep 25SellUS$294,800Farshad HaghighiIndividual11,792US$25.00
01 Aug 25BuyUS$9,648,720James J Kim Family Control GroupCompany441,589US$21.85
01 Aug 25BuyUS$9,648,720James J Kim Family Control GroupCompany441,589US$21.85
01 Aug 25SellUS$9,648,720James KimIndividual441,589US$21.85
31 Jul 25SellUS$353,727Mark RogersIndividual15,000US$23.58
25 Feb 25SellUS$107,561Kevin EngelIndividual4,959US$21.69
24 Feb 25BuyUS$18,999,995James J Kim Family Control GroupCompany869,565US$21.85
24 Feb 25BuyUS$18,999,995James J Kim Family Control GroupCompany869,565US$21.85
24 Feb 25SellUS$18,999,995James KimIndividual869,565US$21.85

Insider Trading Volume

Insider Buying: AMKR insiders have only sold shares in the past 3 months.

Ownership Breakdown

What is the ownership structure of AMKR?
Owner TypeNumber of SharesOwnership Percentage
State or Government94,4430.0373%
Private Companies45,352,49217.9%
Individual Insiders97,180,46938.4%
Institutions110,593,13043.7%

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

Top Shareholders

Top 25 shareholders own 86.77% of the company
OwnershipNameSharesCurrent ValueChange %Portfolio %
22.5%
James Kim
55,607,631US$1.9b1.77%no data
7.95%
Susan Kim
19,642,583US$685.9m18.6%no data
7.88%
Sujochil, LP
19,484,809US$680.4m0%no data
6.76%
Susan Y. Kim 2012 Irrevocable Trust U/A Dated 7/26/12
16,710,668US$583.5m0%no data
6.46%
John Kim
15,969,683US$557.7m4.71%no data
6.38%
The Vanguard Group, Inc.
15,779,847US$551.0m4.56%0.01%
5.6%
BlackRock, Inc.
13,834,810US$483.1m-7.18%0.01%
5.32%
Dimensional Fund Advisors LP
13,151,210US$459.2m-0.95%0.06%
1.7%
EARNEST Partners, LLC
4,206,353US$146.9m-4.94%0.61%
1.68%
AQR Capital Management, LLC
4,161,832US$145.3m18%0.09%
1.61%
LSV Asset Management
3,981,356US$139.0m-17.6%0.27%
1.55%
American Century Investment Management Inc
3,835,987US$134.0m0.46%0.05%
1.53%
James J Kim Family Control Group
3,789,479US$132.3m13.2%no data
1.39%
State Street Global Advisors, Inc.
3,426,411US$119.7m3.23%no data
1.07%
SW Investment Management LLC
2,650,000US$92.5m0%19.36%
0.92%
Geode Capital Management, LLC
2,279,431US$79.6m1.06%no data
0.92%
Principal Global Investors, LLC
2,269,342US$79.2m-2.65%0.03%
0.89%
Charles Schwab Investment Management, Inc.
2,195,166US$76.7m1.94%0.01%
0.8%
First Trust Advisors LP
1,981,609US$69.2m17.6%0.04%
0.79%
John T. Kim 2012 Generation-Skipping Trust U/A Dated 12/11/12
1,957,350US$68.4m0%no data
0.64%
Arrowstreet Capital, Limited Partnership
1,574,607US$55.0m306%0.03%
0.61%
Alexandra Panichello
1,507,900US$52.7m0%no data
0.61%
Jacqueline Panichello
1,507,900US$52.7m0%no data
0.61%
Dylan Panichello
1,507,900US$52.7m0%no data
0.6%
2023 Grantor Retained Annuity Trust Of Susan Y. Kim
1,483,000US$51.8m0%no data

Company Analysis and Financial Data Status

DataLast Updated (UTC time)
Company Analysis2025/11/28 02:35
End of Day Share Price 2025/11/26 00:00
Earnings2025/09/30
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

Amkor Technology, Inc. is covered by 14 analysts. 10 of those analysts submitted the estimates of revenue or earnings used as inputs to our report. Analysts submissions are updated throughout the day.

AnalystInstitution
Steven LiuAletheia Analyst Network Limited
Christopher MuseBarclays
Craig EllisB. Riley Securities, Inc.