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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.

Holders
1,033
Holders Change
-65
Holders Change %
-5.92%
% of All Funds
18.15%
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
1
BlackRock
New York
$3.93B
2
PAMS
2
Pictet Asset Management (Switzerland)
Switzerland
$192M
3
BGC
3
Beutel, Goodman & Co
Ontario, Canada
$156M
4
Assenagon Asset Management
4
Assenagon Asset Management
Luxembourg
$213M
5
JPMorgan Chase & Co
5
JPMorgan Chase & Co
New York
$1.59B

Top Sellers

1
Marshall Wace
1
Marshall Wace
United Kingdom
$3.23M
2
D.E. Shaw & Co
2
D.E. Shaw & Co
New York
$107M
3
Capital World Investors
3
Capital World Investors
California
$0
4
Renaissance Technologies
4
Renaissance Technologies
New York
$278M
5
Northern Trust
5
Northern Trust
Illinois
$498M
Name Market Value Shares Shares
Change 		Shares
Change %
Primecap Management
1
Primecap Management
California
$4.6B 16,258,915 -199,591 -1%
BlackRock
2
BlackRock
New York
$3.93B 13,896,253 +689,662 +5%
Vanguard Group
3
Vanguard Group
Pennsylvania
$3.31B 11,691,876 -61,457 -0.5%
State Street
4
State Street
Massachusetts
$1.95B 6,903,536 +223,496 +3%
JPMorgan Chase & Co
5
JPMorgan Chase & Co
New York
$1.59B 5,605,297 +250,531 +5%
Wellington Management Group
6
Wellington Management Group
Massachusetts
$1.58B 5,577,720 -24,141 -0.4%
ClearBridge Investments
7
ClearBridge Investments
New York
$952M 3,363,927 -201,185 -6%
Geode Capital Management
8
Geode Capital Management
Massachusetts
$783M 2,775,266 -118,484 -4%
T. Rowe Price Associates
9
T. Rowe Price Associates
Maryland
$505M 1,784,136 +171,573 +11%
Northern Trust
10
Northern Trust
Illinois
$498M 1,758,890 -308,649 -15%
Norges Bank
11
Norges Bank
Norway
$459M 1,622,011 -199,140 -11%
Bank of New York Mellon
12
Bank of New York Mellon
New York
$456M 1,609,799 -156,033 -9%
Legal & General Group
13
Legal & General Group
United Kingdom
$398M 1,406,196 +20,504 +1%
Deutsche Bank
14
Deutsche Bank
Germany
$391M 1,381,482 -33,712 -2%
UBS AM
15
UBS AM
Illinois
$352M 1,244,986 +106,513 +9%
Fidelity Investments
16
Fidelity Investments
Massachusetts
$333M 1,177,553 -174,665 -13%
American Century Companies
17
American Century Companies
Missouri
$322M 1,138,819 -103,224 -8%
Dimensional Fund Advisors
18
Dimensional Fund Advisors
Texas
$320M 1,130,190 -57,498 -5%
Invesco
19
Invesco
Georgia
$280M 990,579 -52,879 -5%
Renaissance Technologies
20
Renaissance Technologies
New York
$278M 981,707 -348,296 -26%
Amundi
21
Amundi
France
$242M 855,003 +235,305 +38%
Goldman Sachs
22
Goldman Sachs
New York
$226M 799,928 -41,150 -5%
Morgan Stanley
23
Morgan Stanley
New York
$213M 753,715 +51,540 +7%
Assenagon Asset Management
24
Assenagon Asset Management
Luxembourg
$213M 751,389 +399,310 +113%
Bank of America
25
Bank of America
North Carolina
$210M 742,849 +50,598 +7%
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