965 hedge funds and large institutions have $90B invested in Biogen in 2015 Q1 according to their latest regulatory filings, with 132 funds opening new positions, 336 increasing their positions, 371 reducing their positions, and 42 closing their positions.

Holders
965
Holders Change
+81
Holders Change %
+9.16%
% of All Funds
25.74%
Holding in Top 10
68
Holding in Top 10 Change
+16
Holding in Top 10 Change %
+30.77%
% of All Funds
1.81%
New
132
Increased
336
Reduced
371
Closed
42
Calls
$1.06B
Puts
$1.64B
Net Calls
-$582M
Net Calls Change
-$200M
Name Market Value Shares Shares
Change
Shares
Change %
American Century Companies
26
American Century Companies
Missouri
$710M 1,680,454 -229,704 -12%
TCIM
27
TIAA CREF Investment Management
New York
$706M 1,670,983 -401,883 -19%
Norges Bank
28
Norges Bank
Norway
$697M 1,650,587 +4,782 +0.3%
Capital World Investors
29
Capital World Investors
California
$643M 1,523,700 -186,800 -11%
Massachusetts Financial Services
30
Massachusetts Financial Services
Massachusetts
$631M 1,494,392 +47,443 +3%
O
31
OppenheimerFunds
New York
$592M 1,402,900 -120,340 -8%
Morgan Stanley
32
Morgan Stanley
New York
$556M 1,317,915 -250,581 -16%
Goldman Sachs
33
Goldman Sachs
New York
$534M 1,264,485 -538,044 -30%
O
34
OrbiMed
New York
$510M 1,206,800 -287,900 -19%
UBS AM
35
UBS AM
Illinois
$495M 1,171,479 -53,191 -4%
Deutsche Bank
36
Deutsche Bank
Germany
$467M 1,106,605 +156,688 +16%
MAA
37
Managed Account Advisors
New Jersey
$449M 1,062,385 +24,829 +2%
JSP
38
Jackson Square Partners
California
$438M 1,038,322 +1,038,322 New
Legal & General Group
39
Legal & General Group
United Kingdom
$396M 937,819 -3,108 -0.3%
D.E. Shaw & Co
40
D.E. Shaw & Co
New York
$385M 912,933 +712,993 +357%
Allianz Asset Management
41
Allianz Asset Management
Germany
$377M 891,872 +62,413 +8%
FAM
42
Fred Alger Management
New York
$360M 852,902 +252,392 +42%
MC
43
Montag & Caldwell
Georgia
$355M 840,440 -82,632 -9%
AQR Capital Management
44
AQR Capital Management
Connecticut
$352M 834,245 -367,044 -31%
Prudential Financial
45
Prudential Financial
New Jersey
$337M 797,374 -33,320 -4%
DCP
46
DSM Capital Partners
Florida
$329M 780,018 -118,147 -13%
New York State Common Retirement Fund
47
New York State Common Retirement Fund
New York
$320M 757,354 -24,404 -3%
BA
48
BlackRock Advisors
Delaware
$306M 725,128 -55,059 -7%
BlackRock
49
BlackRock
New York
$301M 713,338 -5,410 -0.8%
Charles Schwab
50
Charles Schwab
California
$294M 695,357 +33,022 +5%