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Amkor Technology

454 hedge funds and large institutions have $4.49B invested in Amkor Technology in 2025 Q4 according to their latest regulatory filings, with 123 funds opening new positions, 122 increasing their positions, 156 reducing their positions, and 43 closing their positions.

New
Increased
Maintained
Reduced
Closed

more first-time investments, than exits

New positions opened: | Existing positions closed:

more funds holding in top 10

Funds holding in top 10:

more call options, than puts

Call options by funds: $ | Put options by funds: $

more capital invested

Capital invested by funds: $ → $

19% more funds holding

Funds holding: 382454 (+72)

2.38% more ownership

Funds ownership: 43.59%45.96% (+2.4%)

22% less repeat investments, than reductions

Existing positions increased: 122 | Existing positions reduced: 156

Holders
454
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
7
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$202M
Puts
$101M
Net Calls
Net Calls Change

Top Buyers

1 +$103M
2 +$93.1M
3 +$50.1M
4
UBS Group
UBS Group
Switzerland
+$30M
5
First Trust Advisors
First Trust Advisors
Illinois
+$26.4M

Top Sellers

1 -$44.5M
2 -$41.3M
3 -$35.3M
4
BlackRock
BlackRock
New York
-$32.5M
5
AQR Capital Management
AQR Capital Management
Connecticut
-$32.4M
Name Holding Trade Value Shares
Change
Change in
Stake
Mariner
151
Mariner
Kansas
$1.61M
SIM
152
SummerHaven Investment Management
Connecticut
$1.53M
New York State Teachers Retirement System (NYSTRS)
153
New York State Teachers Retirement System (NYSTRS)
New York
$1.51M
Ohio Public Employees Retirement System (OPERS)
154
Ohio Public Employees Retirement System (OPERS)
Ohio
$1.51M
CPC
155
Cookson Peirce & Co
Pennsylvania
$1.48M
VPIM
156
Vanguard Personalized Indexing Management
California
$1.43M
QCG
157
Quadrant Capital Group
Ohio
$1.43M
Handelsbanken Fonder
158
Handelsbanken Fonder
Sweden
$1.41M
Mercer Global Advisors
159
Mercer Global Advisors
Colorado
$1.4M
AWA
160
Artemis Wealth Advisors
New York
$1.38M
ASRS
161
Arizona State Retirement System
Arizona
$1.36M
TRSOTSOK
162
Teachers Retirement System of the State of Kentucky
Kentucky
$1.35M
Mirae Asset Global Investments
163
Mirae Asset Global Investments
South Korea
$1.35M
Qube Research & Technologies (QRT)
164
Qube Research & Technologies (QRT)
United Kingdom
$1.34M
JF
165
Jump Financial
Illinois
$1.32M
Man Group
166
Man Group
United Kingdom
$1.26M
Comerica Bank
167
Comerica Bank
Texas
$1.25M
CAPTRUST Financial Advisors
168
CAPTRUST Financial Advisors
North Carolina
$1.25M
LSERS
169
Louisiana State Employees Retirement System
Louisiana
$1.24M
EI
170
Ethic Inc
New York
$1.22M
OMC
171
Oasis Management Company
Cayman Islands
$1.22M
SM
172
Sciencast Management
New Jersey
$1.21M
HDIM
173
Hanson & Doremus Investment Management
Vermont
$1.21M
HW
174
Hancock Whitney
Mississippi
$1.19M
Prudential Financial
175
Prudential Financial
New Jersey
$1.16M