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Biogen
BIIB

Overview Fund Activity

1,024 hedge funds and large institutions have $34.1B invested in Biogen in 2022 Q4 according to their latest regulatory filings, with 159 funds opening new positions, 323 increasing their positions, 358 reducing their positions, and 96 closing their positions.

Holders
1,024
Holders Change
+45
Holders Change %
+4.6%
% of All Funds
16.52%
Holding in Top 10
24
Holding in Top 10 Change
+3
Holding in Top 10 Change %
+14.29%
% of All Funds
0.39%
New
159
Increased
323
Reduced
358
Closed
96
Calls
$1.29B
Puts
$1.51B
Net Calls
-$216M
Net Calls Change
-$369M

Top Buyers

1
Marshall Wace
1
Marshall Wace
United Kingdom
$345M
2
BlackRock
2
BlackRock
New York
$3.95B
3
DTC
3
Deep Track Capital
Connecticut
$83.1M
4
FCM
4
Farallon Capital Management
California
$164M
5
Barclays
5
Barclays
United Kingdom
$172M

Top Sellers

1
APM
1
Avidity Partners Management
Texas
$0
2
Millennium Management
2
Millennium Management
New York
$93.8M
3
Point72 Asset Management
3
Point72 Asset Management
Connecticut
$340M
4
Goldman Sachs
4
Goldman Sachs
New York
$271M
5
RCM
5
RA Capital Management
Massachusetts
$148M
Name Market Value Shares Shares
Change 		Shares
Change %
Rafferty Asset Management
176
Rafferty Asset Management
New York
$15.6M 56,371 -16,459 -23%
Fidelity International
177
Fidelity International
Bermuda
$15.2M 55,023 +2,747 +5%
Baird Financial Group
178
Baird Financial Group
Wisconsin
$15.2M 54,741 -12,784 -19%
AIG
179
American International Group
New York
$15M 54,322 +5,885 +12%
BPC
180
Banque Pictet & Cie
Switzerland
$15M 53,996 +8,821 +20%
CI
181
Clal Insurance
Israel
$14.7M 53,000 +53,000 New
Macquarie Group
182
Macquarie Group
Australia
$14.7M 52,982 +874 +2%
Hudson Bay Capital Management
183
Hudson Bay Capital Management
Connecticut
$14.5M 52,500 +5,000 +11%
WorldQuant Millennium Advisors
184
WorldQuant Millennium Advisors
New York
$14.4M 52,152 -89,604 -63%
Balyasny Asset Management
185
Balyasny Asset Management
Illinois
$14.2M 51,383 -124,782 -71%
AAF
186
Andra AP-fonden
Sweden
$13.9M 50,200 +11,400 +29%
SIG
187
Senator Investment Group
New York
$13.8M 50,000 +50,000 New
SOADOR
188
State of Alaska Department of Revenue
Alaska
$13.4M 48,421 +842 +2%
Twin Tree Management
189
Twin Tree Management
Texas
$13.3M 48,196 -65,616 -58%
BM
190
Bridger Management
New York
$13.2M 47,777 +47,777 New
OPERF
191
Oregon Public Employees Retirement Fund
Oregon
$13.2M 47,541 +17,546 +58%
Mackenzie Financial
192
Mackenzie Financial
Ontario, Canada
$12.8M 46,063 -7,491 -14%
Aviva
193
Aviva
United Kingdom
$12.8M 46,060 +24,112 +110%
GC
194
Grimes & Company
Massachusetts
$12.7M 46,035 -686 -1%
AIMCA
195
Alberta Investment Management Corp (AIMCo)
Alberta, Canada
$12.7M 45,779 -16,006 -26%
ATN
196
AMF Tjänstepension
Sweden
$12.6M 45,645 – –
Calamos Advisors
197
Calamos Advisors
Illinois
$12.6M 45,359 -8,020 -15%
DnB Asset Management
198
DnB Asset Management
Norway
$11.8M 42,673 -2,217 -5%
LPL Financial
199
LPL Financial
California
$11.8M 42,551 +1,526 +4%
PMEF
200
Point72 Middle East FZE
United Arab Emirates
$11.7M 42,383 +42,383 New
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