BIIB icon

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
18.14%
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
1
BlackRock
New York
$3.93B
2
BGC
2
Beutel, Goodman & Co
Ontario, Canada
$156M
3
Assenagon Asset Management
3
Assenagon Asset Management
Luxembourg
$213M
4
JPMorgan Chase & Co
4
JPMorgan Chase & Co
New York
$1.59B
5
Amundi
5
Amundi
France
$242M

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 %
Charles Schwab
26
Charles Schwab
California
$207M 731,198 +7,369 +1%
PAMS
27
Pictet Asset Management (Switzerland)
Switzerland
$192M 676,762 +676,762 New
SCM
28
Sarissa Capital Management
Connecticut
$182M 643,000 – –
VanEck Associates
29
VanEck Associates
New York
$181M 640,075 +43,528 +7%
PPA
30
Parametric Portfolio Associates
Washington
$169M 598,531 -86,433 -13%
Swiss National Bank
31
Swiss National Bank
Switzerland
$168M 595,272 -25,800 -4%
Wells Fargo
32
Wells Fargo
California
$162M 573,576 +23,940 +4%
Nuveen Asset Management
33
Nuveen Asset Management
Illinois
$161M 570,604 -279,302 -33%
BGC
34
Beutel, Goodman & Co
Ontario, Canada
$156M 550,016 +415,883 +310%
BG
35
Bellevue Group
Switzerland
$149M 527,000 -1,100 -0.2%
Franklin Resources
36
Franklin Resources
California
$138M 486,295 +14,995 +3%
California Public Employees Retirement System
37
California Public Employees Retirement System
California
$133M 468,268 -5,238 -1%
HM
38
HealthCor Management
New York
$132M 466,830 +127,530 +38%
Sumitomo Mitsui Trust Group
39
Sumitomo Mitsui Trust Group
Japan
$132M 465,619 -29,106 -6%
Nordea Investment Management
40
Nordea Investment Management
Sweden
$131M 456,986 +11,987 +3%
Parnassus Investments
41
Parnassus Investments
California
$128M 452,053 – –
Susquehanna International Group
42
Susquehanna International Group
Pennsylvania
$111M 391,066 +13,756 +4%
Barclays
43
Barclays
United Kingdom
$109M 384,914 +56,681 +17%
Ameriprise
44
Ameriprise
Minnesota
$108M 380,636 +191,227 +101%
D.E. Shaw & Co
45
D.E. Shaw & Co
New York
$107M 376,491 -413,202 -52%
AC
46
Armistice Capital
New York
$105M 372,000 +4,000 +1%
PAI
47
Palo Alto Investors
California
$102M 361,600 – –
LSV Asset Management
48
LSV Asset Management
Illinois
$102M 361,602 +1,432 +0.4%
AQR Capital Management
49
AQR Capital Management
Connecticut
$99.3M 350,860 -163,602 -32%
Citadel Advisors
50
Citadel Advisors
Florida
$95.2M 336,356 -220,533 -40%
1
2
3 4 5