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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.

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

Top Sellers

1
CBOA
1
Commonwealth Bank of Australia
Australia
$13.8M
2
AAM
2
Alken Asset Management
United Kingdom
$648M
3
Acadian Asset Management
3
Acadian Asset Management
Massachusetts
$75.4M
4
RFC
4
Russell Frank Company
Washington
$105M
5
AL
5
AJO LP
Pennsylvania
$269M
Name Market Value Shares Shares
Change 		Shares
Change %
Vanguard Group
1
Vanguard Group
Pennsylvania
$1.31B 15,557,301 +660,721 +4%
State Street
2
State Street
Massachusetts
$784M 9,339,137 +147,985 +2%
AAM
3
Alken Asset Management
United Kingdom
$648M 7,718,495 -979,831 -11%
O
4
OppenheimerFunds
New York
$521M 6,205,250 +447,455 +8%
BIT
5
BlackRock Institutional Trust
California
$466M 5,555,616 -120,768 -2%
LSV Asset Management
6
LSV Asset Management
Illinois
$439M 5,235,466 -147,634 -3%
Norges Bank
7
Norges Bank
Norway
$367M 4,374,526 +240,029 +6%
APG Asset Management
8
APG Asset Management
Netherlands
$363M 4,322,982 +664,009 +18%
Boston Partners
9
Boston Partners
Massachusetts
$360M 4,290,711 +1,948,610 +83%
Invesco
10
Invesco
Georgia
$357M 4,253,644 -96,474 -2%
Bank of New York Mellon
11
Bank of New York Mellon
New York
$321M 3,822,664 +1,173,379 +44%
Allianz Asset Management
12
Allianz Asset Management
Germany
$305M 3,639,855 -577,384 -14%
CIP
13
Cornerstone Investment Partners
Georgia
$292M 3,483,564 -219,987 -6%
HCM
14
Herndon Capital Management
Georgia
$284M 3,384,479 -294,044 -8%
JPMorgan Chase & Co
15
JPMorgan Chase & Co
New York
$279M 3,328,640 +600,941 +22%
AL
16
AJO LP
Pennsylvania
$269M 3,205,120 -719,080 -18%
AQR Capital Management
17
AQR Capital Management
Connecticut
$266M 3,170,350 +316,903 +11%
BIP
18
Brandes Investment Partners
California
$252M 3,001,803 -588,328 -16%
Northern Trust
19
Northern Trust
Illinois
$245M 2,925,990 -22,521 -0.8%
BFA
20
BlackRock Fund Advisors
California
$234M 2,792,156 +140,804 +5%
TAA
21
Turiya Advisors Asia
Hong Kong
$210M 2,497,623 +1,024,493 +70%
PI
22
Putnam Investments
Massachusetts
$207M 2,472,816 +2,375,298 +2,436%
Wellington Management Group
23
Wellington Management Group
Massachusetts
$158M 1,888,152 +519,883 +38%
TCIM
24
TIAA CREF Investment Management
New York
$157M 1,867,277 -69,374 -4%
OTPPB
25
Ontario Teachers' Pension Plan Board
Ontario, Canada
$144M 1,720,091 +292,682 +21%
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