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Biogen
BIIB

Overview Fund Activity

1,056 hedge funds and large institutions have $31.7B invested in Biogen in 2020 Q4 according to their latest regulatory filings, with 170 funds opening new positions, 287 increasing their positions, 430 reducing their positions, and 148 closing their positions.

Holders
1,056
Holders Change
+9
Holders Change %
+0.86%
% of All Funds
18.74%
Holding in Top 10
7
Holding in Top 10 Change
-11
Holding in Top 10 Change %
-61.11%
% of All Funds
0.12%
New
170
Increased
287
Reduced
430
Closed
148
Calls
$1.98B
Puts
$1.64B
Net Calls
+$341M
Net Calls Change
+$456M

Top Buyers

1
Wellington Management Group
1
Wellington Management Group
Massachusetts
$1.42B
2
Fidelity Investments
2
Fidelity Investments
Massachusetts
$485M
3
JPMorgan Chase & Co
3
JPMorgan Chase & Co
New York
$713M
4
BG
4
Bellevue Group
Switzerland
$138M
5
DM
5
Deerfield Management
New York
$110M

Top Sellers

1
AQR Capital Management
1
AQR Capital Management
Connecticut
$245M
2
BlackRock
2
BlackRock
New York
$3.29B
3
Renaissance Technologies
3
Renaissance Technologies
New York
$744M
4
State Street
4
State Street
Massachusetts
$1.71B
5
KBC Group
5
KBC Group
Belgium
$132M
Name Holding Trade Value Shares
Change 		Shares
Change %
Charles Schwab
26
Charles Schwab
California
$174M -$6.04M -24,678 -3%
D.E. Shaw & Co
27
D.E. Shaw & Co
New York
$168M +$78.3M +319,901 +87%
Susquehanna International Group
28
Susquehanna International Group
Pennsylvania
$166M +$70M +286,040 +73%
Bank of America
29
Bank of America
North Carolina
$166M -$58.9M -240,556 -26%
PPA
30
Parametric Portfolio Associates
Washington
$158M -$17.3M -70,773 -10%
Berkshire Hathaway
31
Berkshire Hathaway
Nebraska
$157M – – –
SCM
32
Sarissa Capital Management
Connecticut
$157M – – –
Sumitomo Mitsui Trust Group
33
Sumitomo Mitsui Trust Group
Japan
$147M -$17.6M -71,807 -11%
Wells Fargo
34
Wells Fargo
California
$147M -$37.6M -153,694 -20%
Swiss National Bank
35
Swiss National Bank
Switzerland
$146M -$9.13M -37,300 -6%
BG
36
Bellevue Group
Switzerland
$138M +$136M +555,400 +6,458%
Goldman Sachs
37
Goldman Sachs
New York
$134M -$82.8M -338,247 -38%
KBC Group
38
KBC Group
Belgium
$132M -$114M -84,866 -46%
AAMU
39
Amundi Asset Management US
Massachusetts
$132M +$8.54M +34,888 +7%
O
40
OrbiMed
New York
$130M -$45.7M -186,500 -26%
Marshall Wace
41
Marshall Wace
United Kingdom
$127M +$98.7M +403,268 +346%
Nordea Investment Management
42
Nordea Investment Management
Sweden
$127M -$761K -3,108 -0.6%
VanEck Associates
43
VanEck Associates
New York
$127M +$19.9M +81,406 +19%
Acadian Asset Management
44
Acadian Asset Management
Massachusetts
$123M -$5.17M -21,114 -4%
Barclays
45
Barclays
United Kingdom
$123M +$19.9M +81,422 +19%
Prudential Financial
46
Prudential Financial
New Jersey
$120M -$25.3M -103,221 -17%
Franklin Resources
47
Franklin Resources
California
$116M -$29.5M -120,445 -20%
DM
48
Deerfield Management
New York
$110M +$110M +448,000 New
First Trust Advisors
49
First Trust Advisors
Illinois
$101M -$4.95M -20,223 -5%
GT
50
Glenmede Trust
Pennsylvania
$96.7M -$2.64M -10,788 -3%
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