BIIB icon

Biogen
BIIB

Overview Fund Activity

1,018 hedge funds and large institutions have $51.5B invested in Biogen in 2017 Q1 according to their latest regulatory filings, with 90 funds opening new positions, 389 increasing their positions, 395 reducing their positions, and 83 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
1,018
Holders Change
-6
Holders Change %
-0.59%
% of All Funds
25.38%
Holding in Top 10
27
Holding in Top 10 Change
-14
Holding in Top 10 Change %
-34.15%
% of All Funds
0.67%
New
90
Increased
389
Reduced
395
Closed
83
Calls
$808M
Puts
$1.07B
Net Calls
-$265M
Net Calls Change
-$42.8M

Top Buyers

1
BlackRock
1
BlackRock
New York
$4.84B
2
JHIU
2
Janus Henderson Investors US
Colorado
$530M
3
Massachusetts Financial Services
3
Massachusetts Financial Services
Massachusetts
$370M
4
Winslow Capital Management
4
Winslow Capital Management
Minnesota
$345M
5
Goldman Sachs
5
Goldman Sachs
New York
$475M

Top Sellers

1
Fidelity Investments
1
Fidelity Investments
Massachusetts
$1.52B
2
Ameriprise
2
Ameriprise
Minnesota
$512M
3
Viking Global Investors
3
Viking Global Investors
Connecticut
$188M
4
T. Rowe Price Associates
4
T. Rowe Price Associates
Maryland
$2.22B
5
Two Sigma Investments
5
Two Sigma Investments
New York
$1.45M
Name Holding Trade Value Shares
Change 		Shares
Change %
SH
1026
SeaTown Holdings
Singapore
– -$14M -49,325 Closed
UONDDL
1027
University of Notre Dame du Lac
Indiana
– -$8.64M -30,470 Closed
LFM
1028
Lumina Fund Management
New York
– -$8.39M -29,600 Closed
TG
1029
TCW Group
California
– -$6.2M -21,850 Closed
SM
1030
Sabby Management
Florida
– -$5.67M -20,000 Closed
IG
1031
Ithaka Group
Virginia
– -$5.13M -18,091 Closed
Lord, Abbett & Co
1032
Lord, Abbett & Co
New Jersey
– -$4.35M -15,339 Closed
GTC
1033
Ghost Tree Capital
New York
– -$4.25M -15,000 Closed
CIM
1034
Calvert Investment Management
Maryland
– -$3.7M -13,056 Closed
ARTA
1035
A.R.T. Advisors
New York
– -$3.46M -12,200 Closed
TCT
1036
TIAA CREF Trust
Missouri
– -$3.15M -11,108 Closed
GLAM
1037
Gardner Lewis Asset Management
Pennsylvania
– -$2.37M -8,355 Closed
PHK
1038
Point72 Hong Kong
Hong Kong
– -$2.19M -7,730 Closed
DCM
1039
Dynamic Capital Management
Jersey
– -$2.18M -7,699 Closed
PL
1040
Parkwood LLC
Ohio
– -$1.94M -6,854 Closed
SA
1041
Sicart Associates
New York
– -$1.93M -6,800 Closed
TI
1042
Trexquant Investment
Connecticut
– -$1.84M -6,500 Closed
MC
1043
Middleton & Co
Massachusetts
– -$1.78M -6,258 Closed
CM
1044
Crestline Management
Texas
– -$1.65M -5,832 Closed
RJA
1045
Robshaw & Julian Associates
New York
– -$1.59M -5,620 Closed
SIA
1046
Sit Investment Associates
Minnesota
– -$1.51M -5,320 Closed
Handelsbanken Fonder
1047
Handelsbanken Fonder
Sweden
– -$1.36M -4,800 Closed
TH
1048
Timber Hill
Connecticut
– -$1.31M -4,623 Closed
SCM
1049
Suffolk Capital Management
New York
– -$1.25M -4,412 Closed
SLG
1050
Stanley-Laman Group
Pennsylvania
– -$1.19M -4,198 Closed
40 41
42
43 44