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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 Market Value Shares Shares
Change 		Shares
Change %
Primecap Management
1
Primecap Management
California
$3.87B 15,822,066 +125,362 +0.8%
BlackRock
2
BlackRock
New York
$3.29B 13,419,601 -1,043,678 -7%
Vanguard Group
3
Vanguard Group
Pennsylvania
$2.91B 11,896,510 -451,562 -4%
State Street
4
State Street
Massachusetts
$1.71B 6,992,015 -531,681 -7%
Wellington Management Group
5
Wellington Management Group
Massachusetts
$1.42B 5,781,973 +924,781 +19%
ClearBridge Investments
6
ClearBridge Investments
New York
$881M 3,598,673 -418,011 -10%
Renaissance Technologies
7
Renaissance Technologies
New York
$744M 3,037,762 -779,199 -20%
JPMorgan Chase & Co
8
JPMorgan Chase & Co
New York
$713M 2,912,021 +838,296 +40%
Geode Capital Management
9
Geode Capital Management
Massachusetts
$674M 2,759,498 -130,480 -5%
Northern Trust
10
Northern Trust
Illinois
$539M 2,200,958 -182,232 -8%
Bank of New York Mellon
11
Bank of New York Mellon
New York
$525M 2,146,092 -165,321 -7%
Fidelity Investments
12
Fidelity Investments
Massachusetts
$485M 1,981,868 +897,042 +83%
Norges Bank
13
Norges Bank
Norway
$466M 1,903,653 -111,376 -6%
T. Rowe Price Associates
14
T. Rowe Price Associates
Maryland
$413M 1,687,298 +316,017 +23%
Legal & General Group
15
Legal & General Group
United Kingdom
$301M 1,230,474 -44,714 -4%
UBS AM
16
UBS AM
Illinois
$291M 1,190,397 -139,251 -10%
Dimensional Fund Advisors
17
Dimensional Fund Advisors
Texas
$273M 1,116,551 +38,870 +4%
AQR Capital Management
18
AQR Capital Management
Connecticut
$245M 1,017,422 -1,199,563 -54%
Deutsche Bank
19
Deutsche Bank
Germany
$245M 1,001,668 -178,143 -15%
American Century Companies
20
American Century Companies
Missouri
$239M 976,022 -91,986 -9%
LSV Asset Management
21
LSV Asset Management
Illinois
$230M 938,341 -50,751 -5%
PAMU
22
Pictet Asset Management (UK)
United Kingdom
$230M 937,627 +26,620 +3%
Nuveen Asset Management
23
Nuveen Asset Management
Illinois
$221M 903,310 +267,114 +42%
Invesco
24
Invesco
Georgia
$206M 839,970 -61,055 -7%
Morgan Stanley
25
Morgan Stanley
New York
$190M 777,503 +84,106 +12%
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