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Biogen
BIIB

Overview Fund Activity

646 hedge funds and large institutions have $47.5B invested in Biogen in 2013 Q2 according to their latest regulatory filings, with 646 funds opening new positions, increasing their positions, reducing their positions, and closing their positions.

Holders
646
Holders Change
+646
Holders Change %
–
% of All Funds
21.09%
Holding in Top 10
29
Holding in Top 10 Change
+29
Holding in Top 10 Change %
%
% of All Funds
0.95%
New
646
Increased
–
Reduced
–
Closed
–
Calls
$527M
Puts
$606M
Net Calls
-$78.9M
Net Calls Change
-$78.9M

Top Buyers

No buyers this quarter

Top Sellers

No sellers this quarter
Name Market Value Shares Shares
Change 		Shares
Change %
BG
26
BlackRock Group
United Kingdom
$374M 1,738,635 +1,738,635 New
Geode Capital Management
27
Geode Capital Management
Massachusetts
$350M 1,627,791 +1,627,791 New
WRF
28
Waddell & Reed Financial
Kansas
$350M 1,624,979 +1,624,979 New
Franklin Resources
29
Franklin Resources
California
$346M 1,607,249 +1,607,249 New
MAA
30
Managed Account Advisors
New Jersey
$341M 1,583,856 +1,583,856 New
Renaissance Technologies
31
Renaissance Technologies
New York
$300M 1,393,500 +1,393,500 New
CCI
32
Columbus Circle Investors
$246M 1,140,986 +1,140,986 New
Allianz Asset Management
33
Allianz Asset Management
Germany
$245M 1,139,160 +1,139,160 New
Goldman Sachs
34
Goldman Sachs
New York
$225M 1,044,044 +1,044,044 New
O
35
OrbiMed
New York
$221M 1,025,800 +1,025,800 New
Legal & General Group
36
Legal & General Group
United Kingdom
$220M 1,022,062 +1,022,062 New
Viking Global Investors
37
Viking Global Investors
Connecticut
$208M 966,288 +966,288 New
Massachusetts Financial Services
38
Massachusetts Financial Services
Massachusetts
$207M 960,501 +960,501 New
Prudential Financial
39
Prudential Financial
New Jersey
$196M 909,210 +909,210 New
Adage Capital Partners
40
Adage Capital Partners
Massachusetts
$187M 870,924 +870,924 New
BA
41
BlackRock Advisors
Delaware
$177M 824,775 +824,775 New
JHIU
42
Janus Henderson Investors US
Colorado
$175M 813,610 +813,610 New
AL
43
AJO LP
Pennsylvania
$173M 802,400 +802,400 New
New York State Common Retirement Fund
44
New York State Common Retirement Fund
New York
$167M 776,499 +776,499 New
Deutsche Bank
45
Deutsche Bank
Germany
$154M 714,008 +714,008 New
CS
46
Credit Suisse
Switzerland
$142M 658,624 +658,624 New
BIM
47
BlackRock Investment Management
Delaware
$140M 651,754 +651,754 New
Sumitomo Mitsui Trust Group
48
Sumitomo Mitsui Trust Group
Japan
$137M 636,384 +636,384 New
PAM
49
Panagora Asset Management
Massachusetts
$137M 634,570 +634,570 New
Arrowstreet Capital
50
Arrowstreet Capital
Massachusetts
$133M 617,769 +617,769 New
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