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Amkor Technology

343 hedge funds and large institutions have $2.37B invested in Amkor Technology in 2025 Q2 according to their latest regulatory filings, with 54 funds opening new positions, 138 increasing their positions, 119 reducing their positions, and 50 closing their positions.

New
Increased
Maintained
Reduced
Closed

more funds holding in top 10

Funds holding in top 10:

more capital invested

Capital invested by funds: $ → $

more repeat investments, than reductions

Existing positions increased: | Existing positions reduced:

more ownership

Funds ownership:

8% more first-time investments, than exits

New positions opened: 54 | Existing positions closed: 50

0% more funds holding

Funds holding: 343343 (0)

91% less call options, than puts

Call options by funds: $21.5M | Put options by funds: $230M

Holders
343
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
3
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$21.5M
Puts
$230M
Net Calls
Net Calls Change

Top Buyers

1 +$78.5M
2 +$43.9M
3 +$24.9M
4
AQR Capital Management
AQR Capital Management
Connecticut
+$20.7M
5
Millennium Management
Millennium Management
New York
+$19.6M

Top Sellers

1 -$62.1M
2 -$19.6M
3 -$17.6M
4
Fidelity Investments
Fidelity Investments
Massachusetts
-$11.2M
5
HF
HRT Financial
New York
-$10.9M
Name Holding Trade Value Shares
Change
Change in
Stake
Prudential Financial
126
Prudential Financial
New Jersey
$1.04M
Group One Trading
127
Group One Trading
Illinois
$1.03M
MFS
128
Mirabella Financial Services
United Kingdom
$1.01M
State Board of Administration of Florida Retirement System
129
State Board of Administration of Florida Retirement System
Florida
$999K
KBC Group
130
KBC Group
Belgium
$969K
VRS
131
Virginia Retirement Systems
Virginia
$968K
PFSRSONJ
132
Police & Firemen's Retirement System of New Jersey
New Jersey
$912K
State of Tennessee, Department of Treasury
133
State of Tennessee, Department of Treasury
Tennessee
$905K
IFU
134
iSAM Funds (UK)
United Kingdom
$863K
Wealth Enhancement Advisory Services
135
Wealth Enhancement Advisory Services
Minnesota
$860K
SDIC
136
South Dakota Investment Council
South Dakota
$852K
New York State Teachers Retirement System (NYSTRS)
137
New York State Teachers Retirement System (NYSTRS)
New York
$836K
YCM
138
Yousif Capital Management
Michigan
$795K
VPIM
139
Vanguard Personalized Indexing Management
California
$781K
New York State Common Retirement Fund
140
New York State Common Retirement Fund
New York
$772K
Comerica Bank
141
Comerica Bank
Texas
$766K
ASRS
142
Arizona State Retirement System
Arizona
$757K
TRSOTSOK
143
Teachers Retirement System of the State of Kentucky
Kentucky
$720K
HDIM
144
Hanson & Doremus Investment Management
Vermont
$696K
Creative Planning
145
Creative Planning
Kansas
$693K
EI
146
Ethic Inc
New York
$690K
LSERS
147
Louisiana State Employees Retirement System
Louisiana
$672K
QCG
148
Quadrant Capital Group
Ohio
$661K
Zurich Cantonal Bank
149
Zurich Cantonal Bank
Switzerland
$639K
BC
150
Bridgefront Capital
Texas
$639K