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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
+$199M
2
Boston Partners
Boston Partners
Massachusetts
+$163M
3
CGM
Capital Growth Management
Massachusetts
+$138M
4
Robeco Institutional Asset Management
Robeco Institutional Asset Management
Netherlands
+$110M
5
Bank of New York Mellon
Bank of New York Mellon
New York
+$98.4M

Top Sellers

1
CBOA
Commonwealth Bank of Australia
Australia
-$235M
2
AAM
Alken Asset Management
United Kingdom
-$82.2M
3
Acadian Asset Management
Acadian Asset Management
Massachusetts
-$65.1M
4
RFC
Russell Frank Company
Washington
-$64.5M
5
AL
AJO LP
Pennsylvania
-$60.3M
Name Holding Trade Value Shares
Change 		Shares
Change %
FCB
351
First Citizens Bancorporation
South Carolina
$1.23M -$65.4K -1,032 -5%
OA
352
OFI Advisors
Pennsylvania
$1.17M -$111K -1,756 -9%
LS
353
Livforsakringsbolaget Skandia
Sweden
$1.15M -$369K -5,821 -24%
DC
354
Deere & Company
Illinois
$1.14M – – –
AssetMark Inc
355
AssetMark Inc
California
$1.13M +$1.13M +17,846 New
CPIM
356
Columbia Partners Investment Management
Virginia
$1.07M -$76.5K -1,207 -7%
VAM
357
Visium Asset Management
New York
$1.04M +$1.04M +16,429 New
CIA
358
Covington Investment Advisors
Pennsylvania
$1.04M +$15.1K +238 +1%
Parallax Volatility Advisers
359
Parallax Volatility Advisers
California
$988K +$111K +1,745 +13%
SGH
360
Schonfeld Group Holdings
New York
$981K +$981K +15,470 New
IIM
361
Ironwood Investment Management
Massachusetts
$956K – – –
FAAM
362
First Allied Asset Management
California
$946K +$23.8K +374 +3%
Natixis Advisors
363
Natixis Advisors
Massachusetts
$946K +$175K +2,758 +23%
APFBOT
364
Amica Pension Fund Board of Trustees
Rhode Island
$945K – – –
CT
365
Coastline Trust
Rhode Island
$881K -$49.9K -787 -5%
SFP
366
Santa Fe Partners
New Mexico
$864K -$110K -1,734 -11%
NSAM
367
North Star Asset Management
Wisconsin
$839K – – –
AII
368
AGF Investments Inc
Ontario, Canada
$831K +$831K +13,098 New
CI
369
Constellation Investments
Ohio
$784K +$52.4K +827 +7%
CHAM
370
Clear Harbor Asset Management
Connecticut
$784K +$784K +12,370 New
Creative Planning
371
Creative Planning
Kansas
$773K +$517K +8,147 +202%
Tudor Investment Corp
372
Tudor Investment Corp
Connecticut
$764K +$278K +4,377 +57%
HIM
373
Herald Investment Management
United Kingdom
$755K – – –
AIP
374
Ameritas Investment Partners
Nebraska
$755K +$375K +5,923 +99%
SCM
375
Stux Capital Management
New York
$755K +$755K +11,907 New
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