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Biogen
BIIB

Overview Fund Activity

1,033 hedge funds and large institutions have $34.8B invested in Biogen in 2021 Q3 according to their latest regulatory filings, with 72 funds opening new positions, 349 increasing their positions, 395 reducing their positions, and 124 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
1,033
Holders Change
-65
Holders Change %
-5.92%
% of All Funds
18.14%
Holding in Top 10
15
Holding in Top 10 Change
-12
Holding in Top 10 Change %
-44.44%
% of All Funds
0.26%
New
72
Increased
349
Reduced
395
Closed
124
Calls
$1.24B
Puts
$1.7B
Net Calls
-$467M
Net Calls Change
-$356M

Top Buyers

1
BlackRock
BlackRock
New York
$3.93B
2
BGC
Beutel, Goodman & Co
Ontario, Canada
$156M
3
Assenagon Asset Management
Assenagon Asset Management
Luxembourg
$213M
4
JPMorgan Chase & Co
JPMorgan Chase & Co
New York
$1.59B
5
Amundi
Amundi
France
$242M

Top Sellers

1
Marshall Wace
Marshall Wace
United Kingdom
$3.23M
2
D.E. Shaw & Co
D.E. Shaw & Co
New York
$107M
3
Capital World Investors
Capital World Investors
California
$0
4
Renaissance Technologies
Renaissance Technologies
New York
$278M
5
Northern Trust
Northern Trust
Illinois
$498M
Name Holding Trade Value Shares
Change 		Shares
Change %
PAG
201
Private Advisor Group
New Jersey
$12M +$9.81M +34,676 +445%
ASRS
202
Arizona State Retirement System
Arizona
$11.9M -$197K -697 -2%
GC
203
Grimes & Company
Massachusetts
$11.8M -$3.68K -13 -0%
PAM
204
Premier Asset Management
Illinois
$11.8M +$708K +2,502 +6%
QOP
205
Quinn Opportunity Partners
Virginia
$11.7M +$566K +2,000 +5%
CA
206
CSM Advisors
Pennsylvania
$11.5M -$2.83K -10 -0%
AB
207
Amalgamated Bank
New York
$11.4M -$617K -2,182 -5%
AP
208
Atwood & Palmer
Missouri
$11.4M +$99.9K +353 +0.9%
Mackenzie Financial
209
Mackenzie Financial
Ontario, Canada
$11.3M -$1.88M -6,627 -14%
PA
210
Profund Advisors
Maryland
$10.9M -$137K -485 -1%
NIPH
211
NN Investment Partners Holdings
Netherlands
$10.9M +$2.34M +8,264 +27%
FMI
212
Factory Mutual Insurance
Massachusetts
$10.9M – – –
EAM
213
EULAV Asset Management
Florida
$10.5M +$4.25K +15 +0%
IMRF
214
Illinois Municipal Retirement Fund
Illinois
$10.2M +$1.47M +5,210 +17%
MF
215
Magnetar Financial
Illinois
$10M +$7M +24,737 +231%
MIM
216
MetLife Investment Management
New Jersey
$9.53M -$352K -1,245 -4%
UIM
217
USS Investment Management
United Kingdom
$9.52M +$1.75M +6,168 +22%
NGM
218
North Growth Management
British Columbia, Canada
$9.5M – – –
Osaic Holdings
219
Osaic Holdings
Arizona
$9.47M -$840K -2,967 -8%
SI
220
Sofinnova Investments
California
$9.4M -$21.9M -77,380 -70%
IC
221
Ikarian Capital
Texas
$9.12M -$26.5M -93,719 -74%
GIBU
222
Gulf International Bank (UK)
United Kingdom
$9M -$104K -366 -1%
EIP
223
Easterly Investment Partners
Massachusetts
$8.91M +$8.91M +31,471 New
FRAF
224
Första AP-fonden
Sweden
$8.89M -$1.87M -6,600 -17%
CFG
225
Citizens Financial Group
Rhode Island
$8.82M +$519K +1,834 +6%
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