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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 %
Brown Advisory
176
Brown Advisory
Maryland
$15.7M +$12.2M +43,163 +350%
SO
177
STRS Ohio
Ohio
$15.5M -$2.81M -9,915 -15%
MC
178
Montag & Caldwell
Georgia
$14.9M +$1.86M +6,576 +14%
OAM
179
Oppenheimer Asset Management
New York
$14.9M +$729K +2,575 +5%
WP
180
Woodline Partners
California
$14.8M -$5.95M -21,039 -29%
Two Sigma Advisers
181
Two Sigma Advisers
New York
$14.3M +$14.3M +50,700 New
Aviva
182
Aviva
United Kingdom
$14M +$303K +1,069 +2%
LPL Financial
183
LPL Financial
California
$13.9M +$3.2M +11,320 +30%
Nomura Asset Management
184
Nomura Asset Management
Japan
$13.9M -$1.28M -4,522 -8%
O
185
Ossiam
France
$13.8M +$2.26M +7,989 +20%
PA
186
Perceptive Advisors
New York
$13.8M +$13.8M +48,600 New
ACI
187
AMP Capital Investors
Australia
$13.5M -$1.81M -6,387 -12%
Vontobel Holding
188
Vontobel Holding
Switzerland
$13.5M +$1.32M +4,657 +11%
GPP
189
Great Point Partners
Connecticut
$13.4M +$4.24M +15,000 +46%
HT
190
HAP Trading
New York
$13.4M +$2.68M +9,484 +25%
Stifel Financial
191
Stifel Financial
Missouri
$13.4M -$761K -2,690 -5%
Balyasny Asset Management
192
Balyasny Asset Management
Illinois
$13.2M -$26M -91,744 -66%
KBC Group
193
KBC Group
Belgium
$13.2M -$13.8M -48,763 -51%
PNC Financial Services Group
194
PNC Financial Services Group
Pennsylvania
$13.1M -$810K -2,861 -6%
MP
195
Mangrove Partners
Connecticut
$13M +$13M +45,872 New
US Bancorp
196
US Bancorp
Minnesota
$13M -$632K -2,234 -5%
FAF
197
Fjarde Ap-fonden
Sweden
$12.5M -$198K -700 -2%
GC
198
GMT Capital
Georgia
$12.4M -$877K -3,100 -7%
Calamos Advisors
199
Calamos Advisors
Illinois
$12.2M +$1.08M +3,818 +10%
DnB Asset Management
200
DnB Asset Management
Norway
$12.2M +$591K +2,088 +5%
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