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Biogen
BIIB

Overview Fund Activity

1,002 hedge funds and large institutions have $29.5B invested in Biogen in 2021 Q4 according to their latest regulatory filings, with 143 funds opening new positions, 293 increasing their positions, 392 reducing their positions, and 153 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
1,002
Holders Change
-31
Holders Change %
-3%
% of All Funds
15.47%
Holding in Top 10
11
Holding in Top 10 Change
-4
Holding in Top 10 Change %
-26.67%
% of All Funds
0.17%
New
143
Increased
293
Reduced
392
Closed
153
Calls
$1.1B
Puts
$1.52B
Net Calls
-$420M
Net Calls Change
+$46.5M

Top Buyers

1
SAM
1
Southeastern Asset Management
Tennessee
$206M
2
Arrowstreet Capital
2
Arrowstreet Capital
Massachusetts
$232M
3
Wellington Management Group
3
Wellington Management Group
Massachusetts
$1.48B
4
Point72 Asset Management
4
Point72 Asset Management
Connecticut
$147M
5
Barclays
5
Barclays
United Kingdom
$196M

Top Sellers

1
JPMorgan Chase & Co
1
JPMorgan Chase & Co
New York
$1.09B
2
Fidelity Investments
2
Fidelity Investments
Massachusetts
$44.9M
3
ClearBridge Investments
3
ClearBridge Investments
New York
$605M
4
T. Rowe Price Associates
4
T. Rowe Price Associates
Maryland
$271M
5
Primecap Management
5
Primecap Management
California
$3.78B
Name Holding Trade Value Shares
Change 		Shares
Change %
SO
176
STRS Ohio
Ohio
$12.3M -$886K -3,692 -7%
PA
177
Perceptive Advisors
New York
$11.7M – – –
IBT
178
International Biotechnology Trust
United Kingdom
$11.4M +$5.28M +22,000 +86%
Aviva
179
Aviva
United Kingdom
$11.1M -$846K -3,527 -7%
LPL Financial
180
LPL Financial
California
$11M -$785K -3,273 -7%
DnB Asset Management
181
DnB Asset Management
Norway
$11M +$645K +2,688 +6%
OAM
182
Oppenheimer Asset Management
New York
$10.9M -$1.67M -6,960 -13%
Calamos Advisors
183
Calamos Advisors
Illinois
$10.8M +$418K +1,743 +4%
Rafferty Asset Management
184
Rafferty Asset Management
New York
$10.8M +$3.79M +15,793 +54%
Mackenzie Financial
185
Mackenzie Financial
Ontario, Canada
$10.7M +$1.13M +4,691 +12%
Hudson Bay Capital Management
186
Hudson Bay Capital Management
Connecticut
$10.6M +$5.76M +24,000 +120%
GC
187
GMT Capital
Georgia
$10.5M – – –
Stifel Financial
188
Stifel Financial
Missouri
$10.5M -$820K -3,420 -7%
IMRF
189
Illinois Municipal Retirement Fund
Illinois
$10.4M +$1.73M +7,221 +20%
Allspring Global Investments
190
Allspring Global Investments
North Carolina
$10.4M +$10.4M +43,262 New
Group One Trading
191
Group One Trading
Illinois
$10.3M +$10.3M +42,771 New
FAF
192
Fjarde Ap-fonden
Sweden
$10.3M -$360K -1,500 -3%
GC
193
Grimes & Company
Massachusetts
$9.96M -$74.9K -312 -0.7%
Nomura Asset Management
194
Nomura Asset Management
Japan
$9.93M -$1.88M -7,843 -16%
AP
195
Atwood & Palmer
Missouri
$9.89M +$253K +1,056 +3%
PNC Financial Services Group
196
PNC Financial Services Group
Pennsylvania
$9.8M -$1.33M -5,533 -12%
ASRS
197
Arizona State Retirement System
Arizona
$9.79M -$280K -1,166 -3%
NIPH
198
NN Investment Partners Holdings
Netherlands
$9.79M +$556K +2,316 +6%
KBC Group
199
KBC Group
Belgium
$9.76M -$1.39M -5,801 -12%
CA
200
CSM Advisors
Pennsylvania
$9.71M -$84K -350 -0.9%
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