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Amkor Technology
AMKR

Overview Fund Activity

342 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, 118 reducing their positions, and 50 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
342
Holders Change
-1
Holders Change %
-0.29%
% of All Funds
4.59%
Holding in Top 10
3
Holding in Top 10 Change
+1
Holding in Top 10 Change %
+50%
% of All Funds
0.04%
New
54
Increased
138
Reduced
118
Closed
50
Calls
$21.5M
Puts
$230M
Net Calls
-$209M
Net Calls Change
-$97.3M

Top Buyers

1
BlackRock
BlackRock
New York
+$78.5M
2
EARNEST Partners
EARNEST Partners
Georgia
+$43.9M
3
GAM
Gotham Asset Management
New York
+$24.9M
4
AQR Capital Management
AQR Capital Management
Connecticut
+$20.7M
5
Millennium Management
Millennium Management
New York
+$19.6M

Top Sellers

1
AllianceBernstein
AllianceBernstein
Tennessee
-$62.1M
2
Vanguard Group
Vanguard Group
Pennsylvania
-$19.6M
3
Invesco
Invesco
Georgia
-$17.6M
4
Fidelity Investments
Fidelity Investments
Massachusetts
-$11.2M
5
HF
HRT Financial
New York
-$10.9M
Name Holding Trade Value Shares
Change 		Shares
Change %
Vanguard Group
1
Vanguard Group
Pennsylvania
$317M -$19.6M -933,289 -6%
BlackRock
2
BlackRock
New York
$313M +$78.5M +3,741,448 +34%
Dimensional Fund Advisors
3
Dimensional Fund Advisors
Texas
$279M -$2.53M -120,645 -0.9%
LSV Asset Management
4
LSV Asset Management
Illinois
$101M -$7.64M -364,084 -7%
EARNEST Partners
5
EARNEST Partners
Georgia
$92.9M +$43.9M +2,090,325 +90%
American Century Companies
6
American Century Companies
Missouri
$80.1M +$18.5M +880,738 +30%
AQR Capital Management
7
AQR Capital Management
Connecticut
$74.5M +$20.7M +985,727 +38%
State Street
8
State Street
Massachusetts
$69.7M -$5.33M -253,994 -7%
SIM
9
SW Investment Management
Colorado
$55.6M – – –
Principal Financial Group
10
Principal Financial Group
Iowa
$48.9M +$7.16M +341,173 +17%
Geode Capital Management
11
Geode Capital Management
Massachusetts
$47.3M +$576K +27,432 +1%
Charles Schwab
12
Charles Schwab
California
$45.2M +$1.29M +61,413 +3%
Bank of New York Mellon
13
Bank of New York Mellon
New York
$35.5M +$4.67M +222,507 +15%
First Trust Advisors
14
First Trust Advisors
Illinois
$35.4M +$8.37M +398,927 +31%
Jacobs Levy Equity Management
15
Jacobs Levy Equity Management
New Jersey
$35.3M +$5.33M +253,790 +18%
D.E. Shaw & Co
16
D.E. Shaw & Co
New York
$28.1M -$8.94M -426,098 -24%
Millennium Management
17
Millennium Management
New York
$27.9M +$19.6M +933,220 +237%
GAM
18
Gotham Asset Management
New York
$27.8M +$24.9M +1,184,631 +854%
Morgan Stanley
19
Morgan Stanley
New York
$27.4M -$2.04M -97,390 -7%
Fidelity Investments
20
Fidelity Investments
Massachusetts
$27M -$11.2M -531,788 -29%
Renaissance Technologies
21
Renaissance Technologies
New York
$23.6M -$5.13M -244,600 -18%
UIA
22
UG Investment Advisers
Taiwan
$23.3M -$1.18M -56,442 -5%
Voloridge Investment Management
23
Voloridge Investment Management
Florida
$20M -$3.66M -174,473 -15%
Northern Trust
24
Northern Trust
Illinois
$19.4M -$584K -27,821 -3%
Norges Bank
25
Norges Bank
Norway
$17.2M +$17.2M +820,456 New
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