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

Top Sellers

1
T. Rowe Price Associates
T. Rowe Price Associates
Maryland
$1.1B
2
Fidelity Investments
Fidelity Investments
Massachusetts
$1.85B
3
Sands Capital Management
Sands Capital Management
Virginia
$0
4
State Street
State Street
Massachusetts
$2.39B
5
Winslow Capital Management
Winslow Capital Management
Minnesota
$1K
Name Holding Trade Value Shares
Change 		Shares
Change %
Chevy Chase Trust
126
Chevy Chase Trust
Maryland
$52.8M -$893K -3,260 -2%
Korea Investment Corp
127
Korea Investment Corp
South Korea
$52.7M -$1.48M -5,409 -3%
AAMU
128
Amundi Asset Management US
Massachusetts
$52.5M -$14.8M -54,177 -22%
Bank of Montreal
129
Bank of Montreal
Ontario, Canada
$52.3M -$15.3M -55,945 -23%
NIPH
130
NN Investment Partners Holdings
Netherlands
$50.8M -$43.4M -158,587 -46%
Russell Investments Group
131
Russell Investments Group
United Kingdom
$50.2M +$14.4M +52,654 +40%
SM
132
Sabby Management
Florida
$50.1M +$50.1M +182,898 New
National Pension Service
133
National Pension Service
South Korea
$50.1M +$1.25M +4,575 +3%
AGDR
134
AdamCapital Gestao de Recursos
Brazil
$49.6M +$23.9M +87,280 +93%
HI
135
HBK Investments
Texas
$49.4M +$41.6M +151,830 +529%
Zurich Cantonal Bank
136
Zurich Cantonal Bank
Switzerland
$49.2M +$5.67M +20,710 +13%
FMI
137
Factory Mutual Insurance
Massachusetts
$48.8M -$767K -2,800 -2%
GLA
138
Great Lakes Advisors
Illinois
$47.5M +$29.9M +122,966 +170%
US Bancorp
139
US Bancorp
Minnesota
$45.3M +$2.75M +10,057 +6%
WRF
140
Waddell & Reed Financial
Kansas
$44.7M – – –
SEI Investments
141
SEI Investments
Pennsylvania
$43.9M -$47.1M -172,152 -52%
SRIM
142
Saratoga Research & Investment Management
California
$43.9M +$3.95M +14,439 +10%
TD Asset Management
143
TD Asset Management
Ontario, Canada
$42.9M -$4.65M -16,996 -10%
RCAMU
144
Rothschild & Co Asset Management US
Connecticut
$42.6M +$9.59M +35,039 +29%
Assenagon Asset Management
145
Assenagon Asset Management
Luxembourg
$42.1M +$16.6M +60,616 +65%
Baird Financial Group
146
Baird Financial Group
Wisconsin
$41.7M +$2.54M +9,269 +6%
ECP
147
Empyrean Capital Partners
California
$41.1M – – –
BCIM
148
British Columbia Investment Management
British Columbia, Canada
$40.9M -$2.96M -10,800 -7%
Nuveen Asset Management
149
Nuveen Asset Management
Illinois
$40.5M -$2.14M -7,813 -5%
Ohio Public Employees Retirement System (OPERS)
150
Ohio Public Employees Retirement System (OPERS)
Ohio
$40.4M -$667K -2,436 -2%
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