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Biogen
BIIB

Overview Fund Activity

968 hedge funds and large institutions have $58.9B invested in Biogen in 2015 Q4 according to their latest regulatory filings, with 139 funds opening new positions, 330 increasing their positions, 372 reducing their positions, and 82 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
968
Holders Change
+46
Holders Change %
+4.99%
% of All Funds
25.42%
Holding in Top 10
37
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
0.97%
New
139
Increased
330
Reduced
372
Closed
82
Calls
$1.24B
Puts
$1.63B
Net Calls
-$397M
Net Calls Change
+$181M

Top Buyers

1
D.E. Shaw & Co
D.E. Shaw & Co
New York
$641M
2
JSP
Jackson Square Partners
California
$874M
3
Westfield Capital Management
Westfield Capital Management
Massachusetts
$157M
4
Millennium Management
Millennium Management
New York
$322M
5
Viking Global Investors
Viking Global Investors
Connecticut
$113M

Top Sellers

1
Fidelity Investments
Fidelity Investments
Massachusetts
$3.96B
2
JHIU
Janus Henderson Investors US
Colorado
$302M
3
SCM
Steadfast Capital Management
New York
$53.3M
4
Sands Capital Management
Sands Capital Management
Virginia
$1.03B
5
Jennison Associates
Jennison Associates
New York
$1.04B
Name Holding Trade Value Shares
Change 		Shares
Change %
Parallax Volatility Advisers
1001
Parallax Volatility Advisers
California
– -$2.22M -7,613 Closed
LMIM
1002
Lockheed Martin Investment Management
Maryland
– -$2.22M -7,600 Closed
DR
1003
Davis Rea
Ontario, Canada
– -$2.17M -7,445 Closed
FWCM
1004
First Western Capital Management
California
– -$1.63M -5,575 Closed
DM
1005
Deerfield Management
New York
– -$1.61M -5,500 Closed
WCM
1006
Wunderlich Capital Managemnt
Tennessee
– -$1.12M -3,850 Closed
NJBEST
1007
New Jersey Better Educational Savings Trust
New Jersey
– -$905K -3,100 Closed
EEG
1008
E.E. Geduld
– -$875K -3,000 Closed
DS
1009
DRW Securities
Illinois
– -$875K -3,000 Closed
SI
1010
Shaker Investments
Ohio
– -$806K -2,761 Closed
HF
1011
HRT Financial
New York
– -$793K -2,719 Closed
RGNCM
1012
R.G. Niederhoffer Capital Management
New York
– -$788K -2,700 Closed
JT
1013
Jump Trading
Illinois
– -$744K -2,551 Closed
SIM
1014
Spark Investment Management
New York
– -$698K -2,400 Closed
Edgewood Management
1015
Edgewood Management
Connecticut
– -$584K -2,000 Closed
SIG
1016
Schooner Investment Group
Pennsylvania
– -$575K -2,000 Closed
JMH
1017
J.M. Hartwell
New York
– -$525K -1,800 Closed
ICM
1018
IronBridge Capital Management
Illinois
– -$522K -1,790 Closed
ITIM
1019
Indiana Trust & Investment Management
Indiana
– -$473K -1,620 Closed
CIA
1020
Choate Investment Advisors
Massachusetts
– -$432K -1,479 Closed
BSA
1021
Braun Stacey Associates
New York
– -$370K -1,269 Closed
CS
1022
Comerica Securities
Michigan
– -$338K -1,157 Closed
EWM
1023
Elite Wealth Management
Washington
– -$298K -1,024 Closed
HM
1024
Harvest Management
New York
– -$292K -1,000 Closed
CSMF
1025
Charles Stewart Mott Foundation
Michigan
– -$287K -984 Closed
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