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Amkor Technology
AMKR

Overview Fund Activity

144 hedge funds and large institutions have $346M invested in Amkor Technology in 2015 Q3 according to their latest regulatory filings, with 15 funds opening new positions, 60 increasing their positions, 53 reducing their positions, and 30 closing their positions.

Holders
144
Holders Change
-16
Holders Change %
-10%
% of All Funds
4.02%
Holding in Top 10
1
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
0.03%
New
15
Increased
60
Reduced
53
Closed
30
Calls
$1.41M
Puts
$3.67M
Net Calls
-$2.26M
Net Calls Change
+$1.71M

Top Buyers

1
Fidelity Investments
1
Fidelity Investments
Massachusetts
$13.1M
2
WC
2
Walthausen & Co
New York
$5.5M
3
APCM
3
Arbiter Partners Capital Management
New York
$18.2M
4
GAM
4
Gotham Asset Management
New York
$3.8M
5
D.E. Shaw & Co
5
D.E. Shaw & Co
New York
$6.37M

Top Sellers

1
Acadian Asset Management
1
Acadian Asset Management
Massachusetts
$11.6M
2
BIT
2
BlackRock Institutional Trust
California
$11.2M
3
Millennium Management
3
Millennium Management
New York
$0
4
RFC
4
Russell Frank Company
Washington
$692K
5
Arrowstreet Capital
5
Arrowstreet Capital
Massachusetts
$1.12M
Name Market Value Shares Shares
Change 		Shares
Change %
PPA
26
Parametric Portfolio Associates
Washington
$3.31M 737,147 +109,060 +17%
GCP
27
GSA Capital Partners
United Kingdom
$2.78M 619,551 +198,714 +47%
Deutsche Bank
28
Deutsche Bank
Germany
$2.57M 573,655 +459,957 +405%
TC
29
TFS Capital
Pennsylvania
$2.45M 546,509 -410,689 -43%
HI
30
HBK Investments
Texas
$2.4M 534,900 +250,300 +88%
Citadel Advisors
31
Citadel Advisors
Florida
$2.28M 506,997 +33,330 +7%
AQR Capital Management
32
AQR Capital Management
Connecticut
$2.16M 480,573 -197,984 -29%
Invesco
33
Invesco
Georgia
$2.1M 467,565 -72,221 -13%
QI
34
QS Investors
New York
$2.1M 466,880 – –
Barrow, Hanley, Mewhinney & Strauss
35
Barrow, Hanley, Mewhinney & Strauss
Texas
$1.91M 426,262 +192,375 +82%
PAM
36
Panagora Asset Management
Massachusetts
$1.86M 414,440 -83,644 -17%
CCM
37
Century Capital Management
Massachusetts
$1.73M 385,140 +345,730 +877%
BIM
38
BlackRock Investment Management
Delaware
$1.64M 364,353 +1,947 +0.5%
TCIM
39
TIAA CREF Investment Management
New York
$1.62M 360,669 +13,673 +4%
Connor, Clark & Lunn Investment Management (CC&L)
40
Connor, Clark & Lunn Investment Management (CC&L)
British Columbia, Canada
$1.5M 334,975 -21,225 -6%
CS
41
Credit Suisse
Switzerland
$1.49M 332,995 -5,801 -2%
Two Sigma Advisers
42
Two Sigma Advisers
New York
$1.38M 296,793 +126,496 +74%
DM
43
Delphi Management
Massachusetts
$1.21M 268,758 -14,088 -5%
OAM
44
Oxford Asset Management
United Kingdom
$1.18M 262,261 +231,839 +762%
HCM
45
Highbridge Capital Management
New York
$1.14M 252,967 -727,888 -74%
Arrowstreet Capital
46
Arrowstreet Capital
Massachusetts
$1.12M 250,351 -736,869 -75%
Asset Management One
47
Asset Management One
Japan
$1.12M 248,838 -143,345 -37%
BIM
48
Bogle Investment Management
Massachusetts
$1.07M 237,828 +237,828 New
CAM
49
ClariVest Asset Management
California
$1.05M 233,100 +12,100 +5%
State Board of Administration of Florida Retirement System
50
State Board of Administration of Florida Retirement System
Florida
$1.05M 232,773 -20,687 -8%
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