Amkor Technology, Inc.

NasdaqGS:AMKR Stock Report

Market Cap: US$11.8b

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
25 Feb 26SellUS$738,563Farshad HaghighiIndividual14,625US$50.50
24 Feb 26SellUS$451,498Marie Rutten GuillaumeIndividual9,252US$48.80
24 Feb 26SellUS$583,148Kevin EngelIndividual11,962US$48.75
17 Feb 26SellUS$208,516Kevin EngelIndividual4,530US$46.03
12 Feb 26BuyUS$484,900,000James KimIndividual10,000,000US$48.49
15 Jan 26SellUS$531,400Marie Rutten GuillaumeIndividual10,000US$53.14
12 Dec 25SellUS$928,800Gil TilyIndividual20,000US$46.44
12 Dec 25SellUS$508,310Kevin EngelIndividual11,000US$46.21
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

Insider Trading Volume

Insider Buying: AMKR insiders have bought more shares than they have sold in the past 3 months.

Ownership Breakdown

What is the ownership structure of AMKR?
Owner TypeNumber of SharesOwnership Percentage
State or Government99,3560.0402%
General Public6,854,2192.77%
Private Companies53,658,10621.7%
Individual Insiders71,660,17429%
Institutions115,037,20846.5%

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

Top Shareholders

Top 25 shareholders own 78.48% of the company
OwnershipNameSharesCurrent ValueChange %Portfolio %
14%
James Kim
34,727,364US$1.7b-36.9%no data
7.88%
Sujochil, LP
19,484,809US$931.8m0%no data
6.76%
Susan Y. Kim 2012 Irrevocable Trust U/A Dated 7/26/12
16,710,668US$799.1m0%no data
6.75%
John Kim
16,694,683US$798.3m0%no data
6.35%
The Vanguard Group, Inc.
15,704,172US$751.0m-0.48%0.01%
5.67%
Susan Kim
14,020,834US$670.5m-25.6%no data
5.23%
BlackRock, Inc.
12,922,945US$618.0m-6.59%0.01%
5.16%
Dimensional Fund Advisors LP
12,772,891US$610.8m-2.88%0.08%
3.37%
Family Trust Under The John T. Kim 2018 Irrevocable Trust Agreement Dated 2/6/18
8,326,914US$398.2m1,570%no data
1.53%
EARNEST Partners, LLC
3,792,424US$181.4m-9.84%0.66%
1.53%
James J Kim Family Control Group
3,789,479US$181.2m0%no data
1.45%
American Century Investment Management Inc
3,576,888US$171.0m-6.75%0.06%
1.4%
State Street Global Advisors, Inc.
3,473,925US$166.1m1.39%no data
1.32%
AQR Capital Management, LLC
3,256,695US$155.7m-21.8%0.08%
1.24%
Point72 Asset Management, L.P.
3,064,101US$146.5m308%0.23%
1.14%
LSV Asset Management
2,820,062US$134.9m-29.2%0.25%
1.1%
First Trust Advisors LP
2,722,310US$130.2m37.4%0.08%
1.06%
Discovery Capital Management, LLC
2,614,934US$125.0m0%6.46%
0.9%
Geode Capital Management, LLC
2,232,211US$106.7m-2.07%0.01%
0.89%
Principal Global Investors, LLC
2,199,115US$105.2m-3.09%0.05%
0.85%
Charles Schwab Investment Management, Inc.
2,099,349US$100.4m-4.36%0.01%
0.85%
Fisher Asset Management, LLC
2,095,027US$100.2m205%0.03%
0.79%
John T. Kim 2012 Generation-Skipping Trust U/A Dated 12/11/12
1,957,350US$93.6m0%no data
0.62%
UBS Asset Management AG
1,531,156US$73.2m119%0.01%
0.61%
Alexandra Panichello
1,507,900US$72.1m0%no data

Company Analysis and Financial Data Status

DataLast Updated (UTC time)
Company Analysis2026/03/01 16:39
End of Day Share Price 2026/02/27 00:00
Earnings2025/12/31
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

Amkor Technology, Inc. is covered by 13 analysts. 9 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.