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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 %
Twin Tree Management
401
Twin Tree Management
Texas
$575K +$275K +4,331 +92%
JIC
402
Johnson Investment Counsel
Ohio
$570K +$12.6K +199 +2%
Verition Fund Management
403
Verition Fund Management
Connecticut
$565K +$565K +8,904 New
BIM
404
BRC Investment Management
Colorado
$562K +$6.98K +110 +1%
Daiwa Securities Group
405
Daiwa Securities Group
Japan
$562K +$41.9K +661 +8%
DL
406
Delta Lloyd
Netherlands
$562K +$125K +1,968 +29%
DCMA
407
Daiwa Capital Markets America
New York
$562K +$562K +8,864 New
BCMU
408
BlueCrest Capital Management (UK)
Guernsey
$522K +$522K +8,238 New
WSA
409
Wall Street Associates
California
$521K -$403K -6,352 -44%
FCH
410
Freestone Capital Holdings
Washington
$520K +$87.4K +1,378 +20%
BC
411
Brinker Capital
Pennsylvania
$513K +$41.5K +656 +9%
PA
412
Pinnacle Associates
New York
$511K -$243K -3,835 -32%
SBWM
413
Sunflower Bank Wealth Management
Arizona
$503K – – –
WMSA
414
Weiss Multi-Strategy Advisers
New York
$494K +$158K +2,500 +47%
MYAM
415
Meiji Yasuda Asset Management
Japan
$493K +$825 +13 +0.2%
SAM
416
Symphony Asset Management
California
$492K +$492K +7,751 New
EOJOAM
417
E. Ohman J:or Asset Management
Sweden
$485K – – –
MIC
418
MU Investments Company
Japan
$463K -$15K -238 -3%
CC
419
Cipher Capital
New York
$463K +$463K +7,295 New
NFC
420
Northeast Financial Consultants
Connecticut
$461K +$461K +7,277 New
MC
421
Menta Capital
California
$453K +$453K +7,144 New
Fuller & Thaler Asset Management
422
Fuller & Thaler Asset Management
California
$449K – – –
AB
423
Amalgamated Bank
New York
$439K +$439K +6,927 New
P
424
Pitcairn
Pennsylvania
$431K +$25.2K +397 +6%
MA
425
MUFG Americas
New York
$427K -$73.3K -1,157 -15%
15 16
17
18 19