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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 %
JAM
176
Jupiter Asset Management
United Kingdom
$16.3M +$11.7M +47,739 +252%
Bank Julius Baer & Co
177
Bank Julius Baer & Co
Switzerland
$16.1M -$7.88M -32,194 -33%
SGA
178
Sector Gamma AS
Norway
$16.1M -$430K -1,758 -3%
Zurich Cantonal Bank
179
Zurich Cantonal Bank
Switzerland
$16M +$22.3K +91 +0.1%
PNC Financial Services Group
180
PNC Financial Services Group
Pennsylvania
$15.8M -$1.68M -6,841 -10%
SOADOR
181
State of Alaska Department of Revenue
Alaska
$15.8M -$6.44M -26,282 -29%
Handelsbanken Fonder
182
Handelsbanken Fonder
Sweden
$15.1M -$661K -2,698 -4%
Aberdeen Group
183
Aberdeen Group
United Kingdom
$14.8M -$3.56M -14,557 -19%
US Bancorp
184
US Bancorp
Minnesota
$14.7M -$1.55M -6,325 -10%
SG Americas Securities
185
SG Americas Securities
New York
$14.7M +$6.94M +28,332 +89%
AAF
186
Andra AP-fonden
Sweden
$14.4M +$5.66M +23,100 +64%
Grantham, Mayo, Van Otterloo & Co (GMO)
187
Grantham, Mayo, Van Otterloo & Co (GMO)
Massachusetts
$14.4M +$10.5M +42,740 +268%
Stifel Financial
188
Stifel Financial
Missouri
$13M +$176K +718 +1%
AA
189
Apriem Advisors
California
$13M -$807K -3,297 -6%
E
190
Ergoteles
New York
$12.8M +$5.69M +23,252 +80%
Aviva
191
Aviva
United Kingdom
$12.8M +$291K +1,188 +2%
Twin Tree Management
192
Twin Tree Management
Texas
$12.8M -$4.45M -18,162 -26%
Los Angeles Capital Management
193
Los Angeles Capital Management
California
$12.7M -$47.8M -195,234 -79%
FAF
194
Fjarde Ap-fonden
Sweden
$11.9M -$661K -2,700 -5%
Mitsubishi UFJ Asset Management
195
Mitsubishi UFJ Asset Management
Japan
$11.6M +$174K +710 +2%
FRAF
196
Första AP-fonden
Sweden
$11.3M +$3.18M +13,000 +39%
Simplex Trading
197
Simplex Trading
Illinois
$11.2M +$11.2M +45,903 New
ASRS
198
Arizona State Retirement System
Arizona
$11.2M -$967K -3,951 -8%
O
199
Ossiam
France
$11.1M -$2.82M -11,514 -20%
DZ Bank
200
DZ Bank
Germany
$11M -$14.4M -58,976 -57%
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