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Western Digital
WDC

Overview Fund Activity

605 hedge funds and large institutions have $18.7B invested in Western Digital in 2015 Q1 according to their latest regulatory filings, with 75 funds opening new positions, 219 increasing their positions, 247 reducing their positions, and 67 closing their positions.

Holders
605
Holders Change
–
Holders Change %
0%
% of All Funds
16.14%
Holding in Top 10
21
Holding in Top 10 Change
-9
Holding in Top 10 Change %
-30%
% of All Funds
0.56%
New
75
Increased
219
Reduced
247
Closed
67
Calls
$314M
Puts
$292M
Net Calls
+$22.5M
Net Calls Change
+$87.2M

Top Buyers

1
Citadel Advisors
1
Citadel Advisors
Florida
$279M
2
IIM
2
Ivory Investment Management
New York
$142M
3
Fidelity Investments
3
Fidelity Investments
Massachusetts
$209M
4
D.E. Shaw & Co
4
D.E. Shaw & Co
New York
$78.5M
5
Boston Partners
5
Boston Partners
Massachusetts
$683M

Top Sellers

1
Wellington Management Group
1
Wellington Management Group
Massachusetts
$442M
2
T. Rowe Price Associates
2
T. Rowe Price Associates
Maryland
$335M
3
Two Sigma Investments
3
Two Sigma Investments
New York
$36.1M
4
CIP
4
Cornerstone Investment Partners
Georgia
$192M
5
CGM
5
Capital Growth Management
Massachusetts
$0
Name Market Value Shares Shares
Change 		Shares
Change %
UBS Group
76
UBS Group
Switzerland
$52.1M 757,239 -380,178 -33%
Bank of America
77
Bank of America
North Carolina
$51.5M 748,616 -56,746 -7%
Millennium Management
78
Millennium Management
New York
$51.4M 746,844 +289,599 +63%
PAM
79
Panagora Asset Management
Massachusetts
$48.8M 710,014 -42,773 -6%
Adage Capital Partners
80
Adage Capital Partners
Massachusetts
$48.4M 703,307 -59,535 -8%
SCP
81
Seizert Capital Partners
Michigan
$47.5M 690,880 -59,821 -8%
PIM
82
Profit Investment Management
Maryland
$46.8M 680,083 -44,510 -6%
Teacher Retirement System of Texas
83
Teacher Retirement System of Texas
Texas
$45.9M 667,951 +23,815 +4%
AII
84
AGF Investments Inc
Ontario, Canada
$44.8M 651,040 +395,833 +155%
MTB
85
Mizuho Trust & Banking
Japan
$43.3M 629,384 +10,881 +2%
Alyeska Investment Group
86
Alyeska Investment Group
Illinois
$43.3M 628,870 +572,760 +1,021%
HIM
87
Hermes Investment Management
United Kingdom
$42.6M 619,423 -329,163 -35%
FAM
88
Fred Alger Management
New York
$41.5M 603,500 -4,167 -0.7%
HSBC Holdings
89
HSBC Holdings
United Kingdom
$41.4M 600,514 -49,300 -8%
AllianceBernstein
90
AllianceBernstein
Tennessee
$40.2M 584,635 -2,751 -0.5%
New York State Teachers Retirement System (NYSTRS)
91
New York State Teachers Retirement System (NYSTRS)
New York
$39.6M 575,162 -4,374 -0.8%
CAM
92
Contour Asset Management
New York
$39.4M 573,061 -108,702 -16%
TCP
93
Tourbillon Capital Partners
New York
$39.4M 572,594 +166,433 +41%
Mitsubishi UFJ Trust & Banking
94
Mitsubishi UFJ Trust & Banking
Japan
$39.2M 569,222 +12,773 +2%
PI
95
PGGM Investments
Netherlands
$38.3M 557,084 -70,296 -11%
California State Teachers Retirement System (CalSTRS)
96
California State Teachers Retirement System (CalSTRS)
California
$38.3M 557,057 -8,955 -2%
First Trust Advisors
97
First Trust Advisors
Illinois
$37.9M 550,553 -74,721 -12%
USAA
98
United Services Automobile Association
Texas
$37.5M 544,551 +43,545 +9%
Two Sigma Investments
99
Two Sigma Investments
New York
$36.1M 524,470 -1,022,136 -66%
Federated Hermes
100
Federated Hermes
Pennsylvania
$34.7M 504,181 +45,170 +10%
2 3
4
5 6