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Biogen
BIIB

Overview Fund Activity

986 hedge funds and large institutions have $37.1B invested in Biogen in 2019 Q3 according to their latest regulatory filings, with 77 funds opening new positions, 319 increasing their positions, 415 reducing their positions, and 94 closing their positions.

Holders
986
Holders Change
-23
Holders Change %
-2.28%
% of All Funds
21.66%
Holding in Top 10
17
Holding in Top 10 Change
+1
Holding in Top 10 Change %
+6.25%
% of All Funds
0.37%
New
77
Increased
319
Reduced
415
Closed
94
Calls
$1.07B
Puts
$1.38B
Net Calls
-$312M
Net Calls Change
+$6.8M

Top Buyers

1
Renaissance Technologies
1
Renaissance Technologies
New York
$983M
2
Assenagon Asset Management
2
Assenagon Asset Management
Luxembourg
$157M
3
HM
3
HealthCor Management
New York
$83.1M
4
CCM
4
Camber Capital Management
Massachusetts
$81.5M
5
BS
5
Banco Santander
Spain
$79.8M

Top Sellers

1
Capital World Investors
1
Capital World Investors
California
$757M
2
Vanguard Group
2
Vanguard Group
Pennsylvania
$3.28B
3
BlackRock
3
BlackRock
New York
$3.59B
4
Franklin Resources
4
Franklin Resources
California
$133M
5
Massachusetts Financial Services
5
Massachusetts Financial Services
Massachusetts
$107M
Name Market Value Shares Shares
Change 		Shares
Change %
BlackRock
1
BlackRock
New York
$3.59B 15,439,047 -573,590 -4%
Primecap Management
2
Primecap Management
California
$3.32B 14,260,012 -293,990 -2%
Vanguard Group
3
Vanguard Group
Pennsylvania
$3.28B 14,095,526 -719,828 -5%
State Street
4
State Street
Massachusetts
$1.97B 8,440,419 -324,156 -4%
ClearBridge Investments
5
ClearBridge Investments
New York
$1.45B 6,232,677 -46,421 -0.7%
Renaissance Technologies
6
Renaissance Technologies
New York
$983M 4,221,206 +1,738,129 +70%
Wellington Management Group
7
Wellington Management Group
Massachusetts
$855M 3,672,196 -126,769 -3%
AQR Capital Management
8
AQR Capital Management
Connecticut
$815M 3,516,611 -277,141 -7%
Geode Capital Management
9
Geode Capital Management
Massachusetts
$776M 3,335,552 +48,970 +1%
Capital World Investors
10
Capital World Investors
California
$757M 3,251,471 -823,456 -20%
Invesco
11
Invesco
Georgia
$668M 2,868,384 -124,426 -4%
Northern Trust
12
Northern Trust
Illinois
$650M 2,792,655 -90,235 -3%
D.E. Shaw & Co
13
D.E. Shaw & Co
New York
$621M 2,668,853 +95,877 +4%
Arrowstreet Capital
14
Arrowstreet Capital
Massachusetts
$620M 2,662,355 +167,598 +7%
Norges Bank
15
Norges Bank
Norway
$525M 2,254,989 +188,745 +9%
Bank of New York Mellon
16
Bank of New York Mellon
New York
$440M 1,891,379 +163,894 +9%
Deutsche Bank
17
Deutsche Bank
Germany
$418M 1,793,473 +77,240 +5%
Goldman Sachs
18
Goldman Sachs
New York
$417M 1,790,809 +606 +0%
Fidelity Investments
19
Fidelity Investments
Massachusetts
$400M 1,719,672 -322,604 -16%
Boston Partners
20
Boston Partners
Massachusetts
$353M 1,512,448 -57,411 -4%
AllianceBernstein
21
AllianceBernstein
Tennessee
$348M 1,495,086 -235,507 -14%
American Century Companies
22
American Century Companies
Missouri
$337M 1,447,074 +3,808 +0.3%
Bank of America
23
Bank of America
North Carolina
$312M 1,339,207 -79,980 -6%
Legal & General Group
24
Legal & General Group
United Kingdom
$289M 1,239,684 +17,002 +1%
Nuveen Asset Management
25
Nuveen Asset Management
Illinois
$281M 1,208,415 -110,665 -8%
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