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Biogen
BIIB

Overview Fund Activity

1,100 hedge funds and large institutions have $51.4B invested in Biogen in 2018 Q1 according to their latest regulatory filings, with 94 funds opening new positions, 424 increasing their positions, 416 reducing their positions, and 101 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
1,100
Holders Change
-21
Holders Change %
-1.87%
% of All Funds
25.25%
Holding in Top 10
26
Holding in Top 10 Change
-2
Holding in Top 10 Change %
-7.14%
% of All Funds
0.6%
New
94
Increased
424
Reduced
416
Closed
101
Calls
$695M
Puts
$1.05B
Net Calls
-$355M
Net Calls Change
+$102M

Top Buyers

1
Deutsche Bank
1
Deutsche Bank
Germany
$963M
2
Arrowstreet Capital
2
Arrowstreet Capital
Massachusetts
$313M
3
Renaissance Technologies
3
Renaissance Technologies
New York
$172M
4
AllianceBernstein
4
AllianceBernstein
Tennessee
$1.1B
5
CCM
5
Camber Capital Management
Massachusetts
$141M

Top Sellers

1
T. Rowe Price Associates
1
T. Rowe Price Associates
Maryland
$1.1B
2
Fidelity Investments
2
Fidelity Investments
Massachusetts
$1.85B
3
Sands Capital Management
3
Sands Capital Management
Virginia
$0
4
State Street
4
State Street
Massachusetts
$2.39B
5
Winslow Capital Management
5
Winslow Capital Management
Minnesota
$1K
Name Holding Trade Value Shares
Change 		Shares
Change %
DFO
1101
Duquesne Family Office
New York
– -$34.9M -109,400 Closed
CIM
1102
Chiron Investment Management
New York
– -$29M -91,096 Closed
SGA
1103
Sector Gamma AS
Norway
– -$21M -65,800 Closed
BCM
1104
BlueCrest Capital Management
Jersey
– -$16.1M -50,461 Closed
GCC
1105
Game Creek Capital
Massachusetts
– -$10.5M -33,109 Closed
NLGIA
1106
Nippon Life Global Investors Americas
New York
– -$9.84M -30,900 Closed
LG
1107
Leuthold Group
Minnesota
– -$7.84M -24,619 Closed
ORI
1108
Oak Ridge Investments
Illinois
– -$6.75M -21,180 Closed
Marshall Wace
1109
Marshall Wace
United Kingdom
– -$6.49M -20,356 Closed
SSA
1110
Schonfeld Strategic Advisors
New York
– -$6.37M -20,000 Closed
MIH
1111
Madison Investment Holdings
Wisconsin
– -$5.13M -16,099 Closed
ECM
1112
Endurant Capital Management
California
– -$4.91M -15,399 Closed
AF
1113
Ally Financial
Michigan
– -$4.78M -15,000 Closed
SFA
1114
Sequoia Financial Advisors
Ohio
– -$4.43M -13,896 Closed
Simplex Trading
1115
Simplex Trading
Illinois
– -$4.4M -13,807 Closed
UFF
1116
USA Financial Formulas
Michigan
– -$4.09M -12,849 Closed
Group One Trading
1117
Group One Trading
Illinois
– -$3.37M -10,566 Closed
VF
1118
Virtu Financial
New York
– -$3.27M -10,267 Closed
SC
1119
Scotia Capital
Ontario, Canada
– -$3.17M -9,953 Closed
SAM
1120
Stansberry Asset Management
Texas
– -$2.62M -8,212 Closed
HAI
1121
Hennessy Advisors Inc
California
– -$2.39M -7,500 Closed
JCM
1122
Jafra Capital Management
New York
– -$2.39M -7,500 Closed
TI
1123
Trexquant Investment
Connecticut
– -$2.02M -6,338 Closed
CC
1124
Cognios Capital
Kansas
– -$2.01M -6,318 Closed
JIR
1125
James Investment Research
Ohio
– -$1.72M -5,400 Closed
43 44
45
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