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Biogen
BIIB

Overview Fund Activity

1,056 hedge funds and large institutions have $31.7B invested in Biogen in 2020 Q4 according to their latest regulatory filings, with 170 funds opening new positions, 287 increasing their positions, 430 reducing their positions, and 148 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
1,056
Holders Change
+9
Holders Change %
+0.86%
% of All Funds
18.74%
Holding in Top 10
7
Holding in Top 10 Change
-11
Holding in Top 10 Change %
-61.11%
% of All Funds
0.12%
New
170
Increased
287
Reduced
430
Closed
148
Calls
$1.98B
Puts
$1.64B
Net Calls
+$341M
Net Calls Change
+$456M

Top Buyers

1
Wellington Management Group
Wellington Management Group
Massachusetts
$1.42B
2
Fidelity Investments
Fidelity Investments
Massachusetts
$485M
3
JPMorgan Chase & Co
JPMorgan Chase & Co
New York
$713M
4
BG
Bellevue Group
Switzerland
$138M
5
DM
Deerfield Management
New York
$110M

Top Sellers

1
AQR Capital Management
AQR Capital Management
Connecticut
$245M
2
BlackRock
BlackRock
New York
$3.29B
3
Renaissance Technologies
Renaissance Technologies
New York
$744M
4
State Street
State Street
Massachusetts
$1.71B
5
KBC Group
KBC Group
Belgium
$132M
Name Holding Trade Value Shares
Change 		Shares
Change %
SOMRS
126
State of Michigan Retirement System
Michigan
$28.8M -$686K -2,800 -2%
SM
127
Sabby Management
Florida
$28.6M +$17.7M +72,434 +163%
PI
128
PGGM Investments
Netherlands
$28.6M -$19.7M -80,309 -41%
PHS
129
PFM Health Sciences
California
$28.1M +$6.09M +24,888 +28%
SCP
130
Seizert Capital Partners
Michigan
$27.9M -$2.01M -8,221 -7%
VRS
131
Virginia Retirement Systems
Virginia
$27.7M -$2.28M -9,300 -8%
Royal London Asset Management
132
Royal London Asset Management
United Kingdom
$27.7M +$494K +2,017 +2%
BNP Paribas Financial Markets
133
BNP Paribas Financial Markets
France
$27.5M -$15.1M -61,825 -36%
Janus Henderson Group
134
Janus Henderson Group
United Kingdom
$27.4M -$1.94M -7,933 -7%
Chevy Chase Trust
135
Chevy Chase Trust
Maryland
$27.4M -$1.61M -6,568 -6%
BGIM
136
Brandywine Global Investment Management
Pennsylvania
$26.9M -$32M -130,608 -54%
Toronto Dominion Bank
137
Toronto Dominion Bank
Ontario, Canada
$25.5M +$1.59M +6,506 +7%
State of New Jersey Common Pension Fund D
138
State of New Jersey Common Pension Fund D
New Jersey
$25.4M -$1.08M -4,414 -4%
FCM
139
Farallon Capital Management
California
$25.2M +$25.2M +103,000 New
GLA
140
Great Lakes Advisors
Illinois
$24.7M +$3.83M +15,634 +18%
ATN
141
AMF Tjänstepension
Sweden
$24.7M +$4.57M +18,682 +23%
RSCM
142
Rock Springs Capital Management
Maryland
$24.5M -$17.8M -72,500 -42%
Ameriprise
143
Ameriprise
Minnesota
$24.3M -$6.8M -27,783 -22%
SEI Investments
144
SEI Investments
Pennsylvania
$24.3M -$5.93M -24,230 -20%
Fisher Asset Management
145
Fisher Asset Management
Washington
$24.1M +$1.14M +4,648 +5%
Vontobel Holding
146
Vontobel Holding
Switzerland
$23.7M +$23.7M +88,056 New
MSL
147
Mackay Shields LLC
New York
$23.5M +$1.45M +5,933 +7%
BCM
148
Bridgeway Capital Management
Texas
$23.4M -$2.06M -8,400 -8%
Treasurer of the State of North Carolina
149
Treasurer of the State of North Carolina
North Carolina
$23.3M +$1.97M +8,060 +9%
GC
150
Guggenheim Capital
Illinois
$23.2M -$1.64M -6,702 -7%
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