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Western Digital
WDC

Overview Fund Activity

545 hedge funds and large institutions have $16.4B invested in Western Digital in 2015 Q3 according to their latest regulatory filings, with 50 funds opening new positions, 222 increasing their positions, 215 reducing their positions, and 77 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
545
Holders Change
-33
Holders Change %
-5.71%
% of All Funds
15.23%
Holding in Top 10
15
Holding in Top 10 Change
-1
Holding in Top 10 Change %
-6.25%
% of All Funds
0.42%
New
50
Increased
222
Reduced
215
Closed
77
Calls
$345M
Puts
$281M
Net Calls
+$64.8M
Net Calls Change
+$100M

Top Buyers

1
Fidelity Investments
1
Fidelity Investments
Massachusetts
$560M
2
Citadel Advisors
2
Citadel Advisors
Florida
$458M
3
D.E. Shaw & Co
3
D.E. Shaw & Co
New York
$245M
4
AAMU
4
AEGON Asset Management (UK)
United Kingdom
$115M
5
IIM
5
Ivory Investment Management
New York
$169M

Top Sellers

1
Wellington Management Group
1
Wellington Management Group
Massachusetts
$262M
2
AL
2
AJO LP
Pennsylvania
$5.45M
3
T. Rowe Price Associates
3
T. Rowe Price Associates
Maryland
$158M
4
Goldman Sachs
4
Goldman Sachs
New York
$193M
5
Principal Financial Group
5
Principal Financial Group
Iowa
$27.2M
Name Holding Trade Value Shares
Change 		Shares
Change %
Capital Fund Management (CFM)
551
Capital Fund Management (CFM)
France
– -$9.15M -154,384 Closed
ZA
552
Zweig Advisers
Connecticut
– -$9.02M -152,145 Closed
TCM
553
TAM Capital Management
Connecticut
– -$8.48M -143,047 Closed
SI
554
Scout Investments
Missouri
– -$7.38M -124,572 Closed
LFM
555
Lumina Fund Management
New York
– -$7.06M -119,070 Closed
EVM
556
Eaton Vance Management
Massachusetts
– -$6.28M -105,959 Closed
SR
557
Sloane Robinson
United Kingdom
– -$5.56M -93,801 Closed
BUB
558
BBVA USA Bancshares
Texas
– -$5.23M -88,288 Closed
Voloridge Investment Management
559
Voloridge Investment Management
Florida
– -$4.8M -81,009 Closed
DCM
560
Dynamic Capital Management
Jersey
– -$4.61M -77,792 Closed
QT
561
Quantbot Technologies
New York
– -$3.7M -62,485 Closed
FCM
562
Firsthand Capital Management
California
– -$3.14M -52,920 Closed
AGAM
563
Avalon Global Asset Management
California
– -$3.14M -52,920 Closed
PRA
564
Parametric Risk Advisors
Connecticut
– -$3.14M -52,920 Closed
QC
565
Quadrature Capital
United Kingdom
– -$2.88M -48,596 Closed
BBCM
566
Boardman Bay Capital Management
New York
– -$2.8M -47,207 Closed
RIM
567
RS Investment Management
California
– -$2.62M -44,122 Closed
QAM
568
Quantres Asset Management
Cayman Islands
– -$2.36M -39,822 Closed
CIM
569
Cambria Investment Management
California
– -$2.32M -39,189 Closed
RCM
570
Rotella Capital Management
Washington
– -$2.15M -36,250 Closed
OI
571
Oakbrook Investments
Illinois
– -$2.14M -36,113 Closed
BCM
572
Bridgeway Capital Management
Texas
– -$1.91M -32,149 Closed
GCA
573
Gideon Capital Advisors
New York
– -$1.88M -31,649 Closed
EGM
574
Engineers Gate Manager
New York
– -$1.8M -30,290 Closed
PAM
575
Princeton Alpha Management
New Jersey
– -$1.47M -24,765 Closed
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