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Biogen
BIIB

Overview Fund Activity

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

Top Buyers

1
Fidelity Investments
1
Fidelity Investments
Massachusetts
$9.31B
2
JSP
2
Jackson Square Partners
California
$438M
3
Wellington Management Group
3
Wellington Management Group
Massachusetts
$1.46B
4
D.E. Shaw & Co
4
D.E. Shaw & Co
New York
$385M
5
IC
5
Institutional Capital
Illinois
$279M

Top Sellers

1
T. Rowe Price Associates
1
T. Rowe Price Associates
Maryland
$4.56B
2
JPMorgan Chase & Co
2
JPMorgan Chase & Co
New York
$2.47B
3
Primecap Management
3
Primecap Management
California
$6.99B
4
Goldman Sachs
4
Goldman Sachs
New York
$534M
5
Jennison Associates
5
Jennison Associates
New York
$2.15B
Name Market Value Shares Shares
Change 		Shares
Change %
RMAM
1001
Raab & Moskowitz Asset Management
New Jersey
– – -258 Closed
PIA
1002
Peachtree Investment Advisors
Georgia
– – -65 Closed
JWA
1003
JFS Wealth Advisors
Pennsylvania
– – -55 Closed
CP
1004
Corbenic Partners
Pennsylvania
– – -27 Closed
TIM
1005
Tortoise Investment Management
New York
– – -25 Closed
EWM
1006
Edge Wealth Management
New York
– – -10 Closed
ECM
1007
Exchange Capital Management
Michigan
– – -4 Closed
MIM
1008
Macroview Investment Management
Maryland
– – -2 Closed
BACM
1009
Blue Arrow Capital Management
New York
– – – –
WAM
1010
Wolverine Asset Management
Illinois
– – – –
JCM
1011
JD Capital Management
Connecticut
– – – –
SM
1012
Sabby Management
Florida
– – – –
FIG
1013
Fortress Investment Group
New York
– – – –
ACH
1014
ArrowMark Colorado Holdings
Colorado
– – – –
ACPU
1015
Arrowgrass Capital Partners (US)
Delaware
– – – –
Alyeska Investment Group
1016
Alyeska Investment Group
Illinois
– – – –
SC
1017
Sculptor Capital
New York
– – – –
AG
1018
Artal Group
Luxembourg
– – – –
MWP
1019
MYCIO Wealth Partners
Pennsylvania
– – – –
PAAMCP
1020
Pacific Alternative Asset Management Company (PAAMCO)
California
– – – –
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