AMKOR TECHNOLOGY INC (AMKR): Ownership & Insider Activity

Hedge funds and institutional managers reporting a position in AMKR · Information Technology. Based on the most recent 13F filing from each holder, sourced from SEC EDGAR.

Reported Holders
27
13F filers
Aggregate Value
$1.4B
Across holders
Last Price
$51.00
2026-10-08
Sector
Information Technology
GICS
Quarterly fund activity14 increased13 reduced7 exited
Full exits: Verition Fund Management LLC, CAXTON ASSOCIATES LLP, Alphadyne Asset Management LP, MARSHALL WACE, LLP, Holocene Advisors, LP, CAPSTONE INVESTMENT ADVISORS, LLC, ARROWSTREET CAPITAL, LIMITED PARTNERSHIP
Institutional Holders of AMKR
↗
27 holders
Manager⇅Type⇅Shares⇅Market Value▼% of Total⇅% of Portfolio⇅Action⇅QoQ Change⇅Quarter⇅
AQR CAPITAL MANAGEMENT LLC
CIK 0001167557
Hedge Fund3.23M$273.8M19.6%0.1%Reduced+$273.8MQ2 2026
Point72 Asset Management, L.P.
CIK 0001603466
Hedge Fund2.48M$213.6M15.3%0.2%Reduced+$212.4MQ2 2026
Fisher Asset Management, LLC
CIK 0000850529
Institutional Manager1.82M$157.1M11.2%0.0%Reduced$-16.3MQ2 2026
Qube Research & Technologies Ltd
CIK 0001729829
Hedge Fund1.16M$100.2M7.2%0.1%Added+$68.9MQ2 2026
TWO SIGMA INVESTMENTS, LP
CIK 0001179392
Hedge Fund1.07M$92.2M6.6%0.1%Reduced+$91.1MQ2 2026
CITADEL ADVISORS LLC
CIK 0001423053
Hedge Fund1.03M$88.7M6.3%0.0%Added+$59.2MQ2 2026
TCW GROUP INC
CIK 0000850401
Hedge Fund1.03M$88.6M6.3%0.6%Added+$74.0MQ2 2026
Gotham Asset Management, LLC
CIK 0001510387
Hedge Fund816K$70.4M5.0%0.2%Reduced$-22.2MQ2 2026
SHAW D E & CO INC
CIK 0001009207
Hedge Fund625K$53.9M3.9%0.0%Reduced+$25.6MQ2 2026
MILLENNIUM MANAGEMENT LLC
CIK 0001273087
Hedge Fund622K$53.7M3.8%0.0%Reduced+$50.1MQ2 2026
AQR CAPITAL MANAGEMENT LLCReduced
Hedge Fund
$273.8M· 19.6% of total· 0.1% port· 3.23M sh· +$273.8M QoQ· Q2 2026
Point72 Asset Management, L.P.Reduced
Hedge Fund
$213.6M· 15.3% of total· 0.2% port· 2.48M sh· +$212.4M QoQ· Q2 2026
Fisher Asset Management, LLCReduced
Institutional Manager
$157.1M· 11.2% of total· 0.0% port· 1.82M sh· $-16.3M QoQ· Q2 2026
Qube Research & Technologies LtdAdded
Hedge Fund
$100.2M· 7.2% of total· 0.1% port· 1.16M sh· +$68.9M QoQ· Q2 2026
TWO SIGMA INVESTMENTS, LPReduced
Hedge Fund
$92.2M· 6.6% of total· 0.1% port· 1.07M sh· +$91.1M QoQ· Q2 2026
CITADEL ADVISORS LLCAdded
Hedge Fund
$88.7M· 6.3% of total· 0.0% port· 1.03M sh· +$59.2M QoQ· Q2 2026
TCW GROUP INCAdded
Hedge Fund
$88.6M· 6.3% of total· 0.6% port· 1.03M sh· +$74.0M QoQ· Q2 2026
Gotham Asset Management, LLCReduced
Hedge Fund
$70.4M· 5.0% of total· 0.2% port· 816K sh· $-22.2M QoQ· Q2 2026
SHAW D E & CO INCReduced
Hedge Fund
$53.9M· 3.9% of total· 0.0% port· 625K sh· +$25.6M QoQ· Q2 2026
MILLENNIUM MANAGEMENT LLCReduced
Hedge Fund
$53.7M· 3.8% of total· 0.0% port· 622K sh· +$50.1M QoQ· Q2 2026
LIGHT STREET CAPITAL MANAGEMENT, LLCAdded
Hedge Fund
$51.5M· 3.7% of total· 5.7% port· 597K sh· +$16.4M QoQ· Q2 2026
RENAISSANCE TECHNOLOGIES LLCAdded
Hedge Fund
$50.1M· 3.6% of total· 0.1% port· 581K sh· — QoQ· Q2 2026
Man Group plcReduced
Hedge Fund
$26.2M· 1.9% of total· 0.0% port· 304K sh· $-46.7M QoQ· Q2 2026
VOLORIDGE INVESTMENT MANAGEMENT, LLCReduced
Hedge Fund
$21.0M· 1.5% of total· 0.1% port· 243K sh· $-70.6M QoQ· Q2 2026
Squarepoint Ops LLCReduced
Hedge Fund
$18.1M· 1.3% of total· 0.0% port· 210K sh· +$17.6M QoQ· Q2 2026
Brevan Howard Capital Management LPAdded
Hedge Fund
$14.7M· 1.1% of total· 0.1% port· 174K sh· +$10.3M QoQ· Q2 2026
TUDOR INVESTMENT CORP ET ALReduced
Hedge Fund
$9.2M· 0.7% of total· 0.0% port· 107K sh· +$7.9M QoQ· Q2 2026
Walleye Capital LLCAdded
Hedge Fund
$5.7M· 0.4% of total· 0.0% port· 66K sh· +$3.8M QoQ· Q2 2026
Rockefeller Capital Management L.P.Added
Hedge Fund
$3.7M· 0.3% of total· 0.0% port· 42K sh· +$3.3M QoQ· Q2 2026
Rokos Capital Management LLPReduced
Hedge Fund
$3.0M· 0.2% of total· 0.0% port· 34K sh· $-9.3M QoQ· Q2 2026
Hudson Bay Capital Management LPAdded
Hedge Fund
$823K· 0.1% of total· 0.0% port· 10K sh· — QoQ· Q2 2026
MAVERICK CAPITAL LTDAdded
Hedge Fund
$764K· 0.1% of total· 0.0% port· 9K sh· — QoQ· Q2 2026
Bridgewater Associates, LPReduced
Hedge Fund
$616K· 0.0% of total· 0.0% port· 7K sh· $-135.7M QoQ· Q2 2026
ExodusPoint Capital Management, LPAdded
Hedge Fund
$519K· 0.0% of total· 0.0% port· 6K sh· — QoQ· Q2 2026
Magnetar Financial LLCAdded
Hedge Fund
$312K· 0.0% of total· 0.0% port· 4K sh· — QoQ· Q2 2026
Fulcrum Asset Management LLPAdded
Hedge Fund
$287K· 0.0% of total· 0.0% port· 3K sh· — QoQ· Q2 2026
Schonfeld Strategic Advisors LLCAdded
Hedge Fund
$256K· 0.0% of total· 0.0% port· 3K sh· — QoQ· Q2 2026
1–10 of 27
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