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Western Digital
WDC

Overview Fund Activity

713 hedge funds and large institutions have $16.7B invested in Western Digital in 2016 Q4 according to their latest regulatory filings, with 143 funds opening new positions, 238 increasing their positions, 265 reducing their positions, and 61 closing their positions.

Holders
713
Holders Change
+69
Holders Change %
+10.71%
% of All Funds
17.85%
Holding in Top 10
36
Holding in Top 10 Change
+4
Holding in Top 10 Change %
+12.5%
% of All Funds
0.9%
New
143
Increased
238
Reduced
265
Closed
61
Calls
$480M
Puts
$821M
Net Calls
-$341M
Net Calls Change
+$3.33M

Top Buyers

1
IAM
1
Iridian Asset Management
Connecticut
$109M
2
Viking Global Investors
2
Viking Global Investors
Connecticut
$95.5M
3
AAM
3
Amerigo Asset Management
Cayman Islands
$143M
4
Ameriprise
4
Ameriprise
Minnesota
$249M
5
Bank of New York Mellon
5
Bank of New York Mellon
New York
$257M

Top Sellers

1
AIG
1
American International Group
New York
$9.39M
2
T. Rowe Price Associates
2
T. Rowe Price Associates
Maryland
$335M
3
Fidelity Investments
3
Fidelity Investments
Massachusetts
$391M
4
IIM
4
Ivory Investment Management
New York
$14.2M
5
JPMorgan Chase & Co
5
JPMorgan Chase & Co
New York
$122M
Name Market Value Shares Shares
Change 		Shares
Change %
GT
101
Glenmede Trust
Pennsylvania
$33.6M 654,099 +36,327 +6%
N
102
Natixis
France
$33.4M 650,986 +609,937 +1,486%
Millennium Management
103
Millennium Management
New York
$33M 642,352 +78,116 +14%
FPCG
104
Fort Pitt Capital Group
Pennsylvania
$32.3M 628,486 +64,514 +11%
MRCP
105
Maple Rock Capital Partners
Ontario, Canada
$32.3M 628,425 +165,375 +36%
Prudential Financial
106
Prudential Financial
New Jersey
$32.1M 625,361 -581,555 -48%
RhumbLine Advisers
107
RhumbLine Advisers
Massachusetts
$32.1M 625,118 +59,157 +10%
Principal Financial Group
108
Principal Financial Group
Iowa
$32M 622,408 +39,941 +7%
SFM
109
Systematic Financial Management
New Jersey
$31.6M 615,073 -197,828 -24%
RG
110
Renaissance Group
Kentucky
$31M 603,485 -52,906 -8%
New York State Teachers Retirement System (NYSTRS)
111
New York State Teachers Retirement System (NYSTRS)
New York
$30.9M 600,745 -4,038 -0.7%
Barclays
112
Barclays
United Kingdom
$30.7M 596,897 -227,082 -28%
BA
113
BlackRock Advisors
Delaware
$30.5M 593,289 -1,333,774 -69%
BA
114
Boston Advisors
Massachusetts
$30.4M 592,787 +592,787 New
Bank of Montreal
115
Bank of Montreal
Ontario, Canada
$28.6M 593,459 -18,475 -3%
State Board of Administration of Florida Retirement System
116
State Board of Administration of Florida Retirement System
Florida
$28M 544,606 +14,125 +3%
Adage Capital Partners
117
Adage Capital Partners
Massachusetts
$27.8M 541,288 -14,686 -3%
AAMU
118
Amundi Asset Management US
Massachusetts
$27M 525,265 +206,311 +65%
GH
119
GAM Holding
Switzerland
$27M 525,078 +34,912 +7%
LC
120
Loews Corp
New York
$26.8M 522,466 -13,230 -2%
Canada Pension Plan Investment Board
121
Canada Pension Plan Investment Board
Ontario, Canada
$26.4M 514,111 +347,795 +209%
BJ
122
BlackRock Japan
Japan
$25.5M 497,300 +16,486 +3%
AIP
123
ARS Investment Partners
New York
$25.3M 493,535 +27,545 +6%
FMI
124
Factory Mutual Insurance
Massachusetts
$24.9M 477,868 +19,845 +4%
SCI
125
SkyBridge Capital II
New York
$23.6M 458,517 +51,112 +13%
3 4
5
6 7