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Biogen
BIIB

Overview Fund Activity

1,089 hedge funds and large institutions have $35.6B invested in Biogen in 2021 Q1 according to their latest regulatory filings, with 140 funds opening new positions, 357 increasing their positions, 406 reducing their positions, and 99 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
1,089
Holders Change
+33
Holders Change %
+3.13%
% of All Funds
19.18%
Holding in Top 10
13
Holding in Top 10 Change
+6
Holding in Top 10 Change %
+85.71%
% of All Funds
0.23%
New
140
Increased
357
Reduced
406
Closed
99
Calls
$1.45B
Puts
$1.37B
Net Calls
+$74.1M
Net Calls Change
-$267M

Top Buyers

1
JPMorgan Chase & Co
JPMorgan Chase & Co
New York
$1.09B
2
Primecap Management
Primecap Management
California
$4.69B
3
SAM
Southeastern Asset Management
Tennessee
$169M
4
ClearBridge Investments
ClearBridge Investments
New York
$1.11B
5
A
AustralianSuper
Australia
$142M

Top Sellers

1
Renaissance Technologies
Renaissance Technologies
New York
$542M
2
O
OrbiMed
New York
$22.9M
3
Susquehanna International Group
Susquehanna International Group
Pennsylvania
$72.9M
4
Marshall Wace
Marshall Wace
United Kingdom
$45.5M
5
State Street
State Street
Massachusetts
$1.87B
Name Holding Trade Value Shares
Change 		Shares
Change %
GC
176
GMT Capital
Georgia
$17.2M -$3.52M -12,600 -17%
AA
177
Apriem Advisors
California
$17.1M +$2.29M +8,172 +15%
O
178
Ossiam
France
$17M +$4.27M +15,256 +34%
Stifel Financial
179
Stifel Financial
Missouri
$16.9M +$1.99M +7,125 +13%
SOADOR
180
State of Alaska Department of Revenue
Alaska
$16.8M -$1.31M -4,698 -7%
PNC Financial Services Group
181
PNC Financial Services Group
Pennsylvania
$16.4M -$1.7M -6,072 -9%
US Bancorp
182
US Bancorp
Minnesota
$16.4M -$451K -1,612 -3%
MSL
183
Mackay Shields LLC
New York
$15.8M -$11.1M -39,587 -41%
Mitsubishi UFJ Asset Management
184
Mitsubishi UFJ Asset Management
Japan
$15M +$1.71M +6,117 +13%
Mirae Asset Global Investments
185
Mirae Asset Global Investments
South Korea
$14.9M -$6.84M -24,445 -31%
AAF
186
Andra AP-fonden
Sweden
$14.8M -$1.73M -6,200 -11%
ACM
187
Argent Capital Management
Missouri
$14.3M +$4.41M +15,760 +45%
DnB Asset Management
188
DnB Asset Management
Norway
$14.3M -$34.8M -124,326 -71%
Aviva
189
Aviva
United Kingdom
$14.2M -$450K -1,610 -3%
SGA
190
Sector Gamma AS
Norway
$13.8M -$4.57M -16,325 -25%
PAM
191
Premier Asset Management
Illinois
$13.6M +$5.89M +21,067 +76%
IBT
192
International Biotechnology Trust
United Kingdom
$13.6M +$4.39M +15,700 +48%
Teacher Retirement System of Texas
193
Teacher Retirement System of Texas
Texas
$13.5M +$4.78M +17,093 +55%
FAF
194
Fjarde Ap-fonden
Sweden
$13.4M -$196K -700 -1%
Mackenzie Financial
195
Mackenzie Financial
Ontario, Canada
$13.3M -$8.57M -30,622 -39%
PC
196
PointState Capital
New York
$13.3M +$10.9M +38,900 +458%
OAM
197
Oppenheimer Asset Management
New York
$13M +$721K +2,577 +6%
EDRH
198
Edmond de Rothschild Holding
Switzerland
$12.9M +$2.52M +9,000 +24%
PTC
199
Philadelphia Trust Company
Pennsylvania
$12.4M +$559 +2 +0%
ASRS
200
Arizona State Retirement System
Arizona
$12.1M -$647K -2,314 -5%
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