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Western Digital
WDC

Overview Fund Activity

546 hedge funds and large institutions have $17.1B invested in Western Digital in 2013 Q4 according to their latest regulatory filings, with 92 funds opening new positions, 172 increasing their positions, 232 reducing their positions, and 41 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
546
Holders Change
+47
Holders Change %
+9.42%
% of All Funds
15.86%
Holding in Top 10
31
Holding in Top 10 Change
+16
Holding in Top 10 Change %
+106.67%
% of All Funds
0.9%
New
92
Increased
172
Reduced
232
Closed
41
Calls
$175M
Puts
$206M
Net Calls
-$30.8M
Net Calls Change
-$8.47M

Top Buyers

1
PI
Putnam Investments
Massachusetts
$207M
2
Boston Partners
Boston Partners
Massachusetts
$360M
3
CGM
Capital Growth Management
Massachusetts
$138M
4
Robeco Institutional Asset Management
Robeco Institutional Asset Management
Netherlands
$117M
5
Bank of New York Mellon
Bank of New York Mellon
New York
$321M

Top Sellers

1
CBOA
Commonwealth Bank of Australia
Australia
$13.8M
2
AAM
Alken Asset Management
United Kingdom
$648M
3
Acadian Asset Management
Acadian Asset Management
Massachusetts
$75.4M
4
RFC
Russell Frank Company
Washington
$105M
5
AL
AJO LP
Pennsylvania
$269M
Name Holding Trade Value Shares
Change 		Shares
Change %
ECM
551
Empire Capital Management
Connecticut
– -$10.1M -211,680 Closed
SCM
552
Stevens Capital Management
Pennsylvania
– -$6.24M -130,284 Closed
ST
553
Spot Trading
Illinois
– -$4.98M -104,005 Closed
ARTA
554
A.R.T. Advisors
New York
– -$4.52M -94,261 Closed
NCCM
555
Nine Chapters Capital Management
New Jersey
– -$1.88M -39,293 Closed
MMG
556
Monetary Management Group
Missouri
– -$1.71M -35,589 Closed
MCM
557
Moon Capital Management
New York
– -$1.5M -31,362 Closed
JIM
558
Jupiter Investment Management
United Kingdom
– -$1.45M -30,164 Closed
IA
559
Icon Advisers
Colorado
– -$1.34M -27,915 Closed
GC
560
Guardian Capital
Ontario, Canada
– -$1.28M -26,632 Closed
BTS
561
BB&T Securities
Virginia
– -$11.8M -24,620 Closed
CCM
562
Cai Capital Management
New York
– -$1.17M -24,392 Closed
PL
563
Perpetual Ltd
Australia
– -$1M -20,923 Closed
FAAS
564
First Allied Advisory Services
California
– -$764K -15,754 Closed
HT
565
HAP Trading
New York
– -$698K -14,561 Closed
DCM
566
Dynamic Capital Management
Jersey
– -$666K -13,888 Closed
AIM
567
Acuity Investment Management
Ontario, Canada
– -$652K -13,627 Closed
TAS
568
TIFF Advisory Services
Pennsylvania
– -$647K -13,495 Closed
JIP
569
Jaffetilchin Investment Partners
Florida
– -$635K -13,256 Closed
CPO
570
Cerity Partners OCIO
New York
– -$580K -12,103 Closed
AIM
571
abrdn Investment Management
United Kingdom
– -$575K -11,992 Closed
NBC
572
Neuberger Berman Canada
Ontario, Canada
– -$536K -11,179 Closed
T
573
TradeWorx
New Jersey
– -$500K -10,424 Closed
HCM
574
Highbridge Capital Management
New York
– -$472K -9,840 Closed
MCM
575
Matarin Capital Management
New York
– -$439K -9,164 Closed
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