Amkor Technology, Inc. AMKR
We take great care to ensure that the data presented and summarized in this overview for AMKOR TECHNOLOGY, INC. is accurate and up-to-date, based on a comprehensive analysis of 13F filing forms for institutional ownership and form 4 filings for insider transactions. Please note that this data may differ from other sources and should not be relied upon as the sole basis for investment decisions.
Top Institutions Holding AMKR
View all-
Vanguard Group Inc Valley Forge, PA15.8MShares$487 Million0.01% of portfolio
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Dimensional Fund Advisors LP Austin, TX13.2MShares$406 Million0.08% of portfolio
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Black Rock Inc. New York, NY12.1MShares$375 Million0.01% of portfolio
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Aqr Capital Management LLC Greenwich, CT4.21MShares$130 Million0.08% of portfolio
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Earnest Partners LLC Atlanta, GA4.21MShares$130 Million0.55% of portfolio
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Lsv Asset Management Chicago, IL3.98MShares$123 Million0.25% of portfolio
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American Century Companies Inc Kansas City, MO3.84MShares$118 Million0.06% of portfolio
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State Street Corp Boston, MA3.43MShares$106 Million0.0% of portfolio
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Sw Investment Management LLC Chicago, IL2.65MShares$81.9 Million16.74% of portfolio
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Geode Capital Management, LLC Boston, MA2.28MShares$70.4 Million0.0% of portfolio
Latest Institutional Activity in AMKR
Top Purchases
Top Sells
About AMKR
Amkor Technology, Inc. provides outsourced semiconductor packaging and test services in the United States, Japan, Europe, the Middle East, Africa, and the rest of the Asia Pacific. It offers turnkey packaging and test services, including semiconductor wafer bump, wafer probe, wafer back-grind, package design, packaging, and test and drop shipment services. The company also provides flip chip-scale package products for use in smartphones, tablets, and other mobile consumer electronic devices; flip-chip stacked chip-scale packages that are used to stack memory on top of digital baseband, and as applications processors in mobile devices; and flip-chip ball grid array packages for various networking, storage, computing, and consumer applications. In addition, it offers wafer-level CSP packages that are used in power management, transceivers, sensors, wireless charging, codecs, radar, and specialty silicon; wafer-level fan-out packages for use in ICs; and silicon wafer integrated fan-out technology, which replaces a laminate substrate with a thinner structure. Further, the company provides lead frame packages that are used in electronic devices for low to medium pin count analog and mixed-signal applications; substrate-based wirebond packages, which are used to connect a die to a substrate; micro-electro-mechanical systems (MEMS) packages that are miniaturized mechanical and electromechanical devices; and advanced system-in-package modules, which are used in radio frequency and front end modules, basebands, connectivity, fingerprint sensors, display and touch screen drivers, sensors and MEMS, and NAND memory and solid-state drives. It primarily serves integrated device manufacturers, fabless semiconductor companies, original equipment manufacturers, and contract foundries. Amkor Technology, Inc. was founded in 1968 and is headquartered in Tempe, Arizona.
Insider Transactions at AMKR
Insider Transaction List
View all| Date | Insider | Transaction | Ownership Type | Shares Traded | Value / Price |
|---|---|---|---|---|---|
|
Dec 04
2025
|
2023 Grantor Retained Annuity Trust Of Susan Y. Kim Dated 9/15/2023 |
SELL
Bona fide gift
|
Direct |
758,000
-51.11%
|
-
|
|
Dec 04
2025
|
Susan Y Kim Director |
BUY
Bona fide gift
|
Direct |
758,000
+11.07%
|
-
|
|
Dec 04
2025
|
Susan Y Kim Director |
SELL
Bona fide gift
|
Indirect |
758,000
-29.08%
|
-
|
|
Nov 21
2025
|
James J Kim > 10% Shareholder |
BUY
Bona fide gift
|
Indirect |
965,000
+50.0%
|
-
|
|
Nov 20
2025
|
2024 Grantor Retained Annuity Trust Of James J. Kim Dtd. 8/5/2024 |
SELL
Bona fide gift
|
Direct |
965,000
-43.86%
|
-
|
|
Nov 20
2025
|
2024 Grantor Retained Annuity Trust Of Agnes C. Kim Dtd. 8/5/2024 |
SELL
Bona fide gift
|
Direct |
705,000
-44.06%
|
-
|
|
Nov 20
2025
|
Agnes C Kim |
BUY
Bona fide gift
|
Indirect |
705,000
+50.0%
|
-
|
|
Nov 20
2025
|
2024 Grantor Retained Annuity Trust Of Susan Y. Kim Dtd. 8/5/2024 |
SELL
Bona fide gift
|
Direct |
876,000
-43.8%
|
-
|
|
Nov 20
2025
|
Susan Y Kim Director |
SELL
Bona fide gift
|
Indirect |
2,546,000
-20.98%
|
-
|
|
Nov 20
2025
|
Susan Y Kim Director |
BUY
Grant, award, or other acquisition
|
Indirect |
965,000
+17.92%
|
-
|
|
Nov 20
2025
|
Susan Y Kim Director |
BUY
Bona fide gift
|
Direct |
876,000
+14.11%
|
-
|
|
Nov 17
2025
|
Mark N Rogers EVP & General Counsel |
SELL
Open market or private sale
|
Direct |
20,000
-45.6%
|
$620,000
$31.69 P/Share
|
|
Nov 17
2025
|
Mark N Rogers EVP & General Counsel |
BUY
Exercise of conversion of derivative security
|
Direct |
20,000
+31.32%
|
$140,000
$7.4 P/Share
|
|
Nov 17
2025
|
Guillaume Marie Jean Rutten President and CEO |
SELL
Open market or private sale
|
Direct |
10,000
-2.8%
|
$310,000
$31.68 P/Share
|
|
Nov 14
2025
|
Farshad Haghighi Executive Vice President |
SELL
Payment of exercise price or tax liability
|
Direct |
797
-2.3%
|
$24,707
$31.68 P/Share
|
|
Nov 14
2025
|
Farshad Haghighi Executive Vice President |
BUY
Exercise of conversion of derivative security
|
Direct |
797
+2.23%
|
-
|
|
Nov 14
2025
|
Kevin Engel Executive Vice President |
SELL
Payment of exercise price or tax liability
|
Direct |
669
-1.44%
|
$20,739
$31.68 P/Share
|
|
Nov 14
2025
|
Kevin Engel Executive Vice President |
BUY
Exercise of conversion of derivative security
|
Direct |
669
+1.41%
|
-
|
|
Nov 04
2025
|
John T Kim > 10% Shareholder |
SELL
Bona fide gift
|
Indirect |
846,750
-20.77%
|
-
|
|
Nov 04
2025
|
John T Kim > 10% Shareholder |
BUY
Bona fide gift
|
Direct |
846,750
+6.7%
|
-
|
Last 12 Months Summary
| Bona fide gift | 16M shares |
|---|---|
| Grant, award, or other acquisition | 1M shares |
| Exercise of conversion of derivative security | 408K shares |
| Open market or private purchase | 6.56M shares |
| Bona fide gift | 25.9M shares |
|---|---|
| Open market or private sale | 2.7M shares |
| Payment of exercise price or tax liability | 51.5K shares |