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Western Digital

546 hedge funds and large institutions have $18.5B invested in Western Digital in 2014 Q1 according to their latest regulatory filings, with 62 funds opening new positions, 179 increasing their positions, 250 reducing their positions, and 52 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
546
Holders Change
Holders Change %
0%
% of All Funds
15.78%
Holding in Top 10
30
Holding in Top 10 Change
-1
Holding in Top 10 Change %
-3.23%
% of All Funds
0.87%
New
62
Increased
179
Reduced
250
Closed
52
Calls
$317M
Puts
$210M
Net Calls
+$107M
Net Calls Change
+$138M
Name Holding Trade Value Shares
Change
Shares
Change %
PCM
351
Prelude Capital Management
New York
$1.37M -$175K -2,520 -11%
PM
352
Platinum Management
New York
$1.29M +$1.29M +18,522 New
GE
353
General Electric
Ohio
$1.27M +$1.27M +18,338 New
VKH
354
Virtu KCG Holdings
New York
$1.22M +$893K +12,867 +276%
TIA
355
Trust Investment Advisors
Indiana
$1.2M -$179K -2,580 -13%
QSS
356
Quantitative Systematic Strategies
Florida
$1.19M +$744K +10,970 +169%
OA
357
OFI Advisors
Pennsylvania
$1.17M -$110K -1,586 -9%
CIA
358
Covington Investment Advisors
Pennsylvania
$1.13M -$902 -13 -0.1%
AssetMark Inc
359
AssetMark Inc
California
$1.12M -$120K -1,736 -10%
Twin Tree Management
360
Twin Tree Management
Texas
$1.09M +$456K +6,566 +72%
DC
361
Deere & Company
Illinois
$1.07M -$171K -2,467 -14%
Natixis Advisors
362
Natixis Advisors
Massachusetts
$1.07M +$37.6K +542 +4%
CPIM
363
Columbia Partners Investment Management
Virginia
$1.05M -$124K -1,790 -11%
HT
364
HAP Trading
New York
$1.05M +$1.05M +15,061 New
APFBOT
365
Amica Pension Fund Board of Trustees
Rhode Island
$1.03M
TH
366
Timber Hill
Connecticut
$953K -$1.11M -15,953 -54%
TAM
367
Telemark Asset Management
Massachusetts
$918K +$918K +13,230 New
NSAM
368
North Star Asset Management
Wisconsin
$918K
Bessemer Group
369
Bessemer Group
New Jersey
$910K -$103M -1,488,699 -99%
CT
370
Coastline Trust
Rhode Island
$904K -$59.7K -860 -6%
QC
371
QCM Cayman
Texas
$899K +$899K +12,952 New
CI
372
Constellation Investments
Ohio
$895K +$36.7K +529 +4%
CHAM
373
Clear Harbor Asset Management
Connecticut
$811K -$47.8K -688 -6%
AIP
374
Ameritas Investment Partners
Nebraska
$808K -$18.7K -270 -2%
CI
375
Capital International
California
$808K