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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
COPPSERS
151
Commonwealth of Pennsylvania Public School Employees Retirement System
Pennsylvania
$613K
LCM
152
Landscape Capital Management
New Jersey
$613K
Pathstone Holdings
153
Pathstone Holdings
New Jersey
$610K
Two Sigma Investments
154
Two Sigma Investments
New York
$582K
FM
155
Foster & Motley
Ohio
$580K
Handelsbanken Fonder
156
Handelsbanken Fonder
Sweden
$579K
SOMRS
157
State of Michigan Retirement System
Michigan
$574K
Thrivent Financial for Lutherans
158
Thrivent Financial for Lutherans
Minnesota
$562K
KK
159
KLP Kapitalforvaltning
Norway
$556K
Lazard Asset Management
160
Lazard Asset Management
New York
$551K
N
161
Natixis
France
$544K
GC
162
Guggenheim Capital
Illinois
$535K
HI
163
Horizon Investments
North Carolina
$535K
NMIMC
164
Northwestern Mutual Investment Management Company
Wisconsin
$533K
TI
165
Tidal Investments
Wisconsin
$530K
BCI
166
Brinker Capital Investments
Pennsylvania
$519K
STA
167
Summit Trail Advisors
New York
$511K
OPERF
168
Oregon Public Employees Retirement Fund
Oregon
$489K
SRL
169
Scientech Research LLC
New Jersey
$471K
AIP
170
Ameritas Investment Partners
Nebraska
$463K
ProShare Advisors
171
ProShare Advisors
Maryland
$462K
SCM
172
Sterling Capital Management
North Carolina
$450K
CAPTRUST Financial Advisors
173
CAPTRUST Financial Advisors
North Carolina
$444K
Mercer Global Advisors
174
Mercer Global Advisors
Colorado
$439K
COI
175
Connable Office Inc
Michigan
$437K