BIIB icon

Biogen
BIIB

Overview Fund Activity

1,018 hedge funds and large institutions have $51.5B invested in Biogen in 2017 Q1 according to their latest regulatory filings, with 90 funds opening new positions, 389 increasing their positions, 395 reducing their positions, and 83 closing their positions.

Holders
1,018
Holders Change
-6
Holders Change %
-0.59%
% of All Funds
25.38%
Holding in Top 10
27
Holding in Top 10 Change
-14
Holding in Top 10 Change %
-34.15%
% of All Funds
0.67%
New
90
Increased
389
Reduced
395
Closed
83
Calls
$808M
Puts
$1.07B
Net Calls
-$265M
Net Calls Change
-$42.8M

Top Buyers

1
BlackRock
1
BlackRock
New York
$4.84B
2
JHIU
2
Janus Henderson Investors US
Colorado
$530M
3
Massachusetts Financial Services
3
Massachusetts Financial Services
Massachusetts
$370M
4
Winslow Capital Management
4
Winslow Capital Management
Minnesota
$345M
5
Goldman Sachs
5
Goldman Sachs
New York
$475M

Top Sellers

1
Fidelity Investments
1
Fidelity Investments
Massachusetts
$1.52B
2
Ameriprise
2
Ameriprise
Minnesota
$512M
3
Viking Global Investors
3
Viking Global Investors
Connecticut
$188M
4
T. Rowe Price Associates
4
T. Rowe Price Associates
Maryland
$2.22B
5
Two Sigma Investments
5
Two Sigma Investments
New York
$1.45M
Name Market Value Shares Shares
Change 		Shares
Change %
BlackRock
1
BlackRock
New York
$4.84B 17,692,259 +17,074,075 +2,762%
Primecap Management
2
Primecap Management
California
$4.23B 15,477,424 -106,963 -0.7%
Vanguard Group
3
Vanguard Group
Pennsylvania
$3.92B 14,352,490 +342,568 +2%
State Street
4
State Street
Massachusetts
$2.62B 9,580,383 +219,502 +2%
ClearBridge Investments
5
ClearBridge Investments
New York
$2.49B 9,121,025 +351,224 +4%
T. Rowe Price Associates
6
T. Rowe Price Associates
Maryland
$2.22B 8,118,191 -600,042 -7%
Wellington Management Group
7
Wellington Management Group
Massachusetts
$1.56B 5,712,355 -131,919 -2%
Fidelity Investments
8
Fidelity Investments
Massachusetts
$1.52B 5,542,590 -2,657,944 -32%
Invesco
9
Invesco
Georgia
$1.13B 4,136,946 -110,936 -3%
JPMorgan Chase & Co
10
JPMorgan Chase & Co
New York
$989M 3,617,561 -18,118 -0.5%
AllianceBernstein
11
AllianceBernstein
Tennessee
$803M 2,937,319 +294,308 +11%
Northern Trust
12
Northern Trust
Illinois
$764M 2,793,765 -70 -0%
Sands Capital Management
13
Sands Capital Management
Virginia
$677M 2,475,937 -102,972 -4%
Geode Capital Management
14
Geode Capital Management
Massachusetts
$648M 2,372,175 +149,832 +7%
JSP
15
Jackson Square Partners
California
$601M 2,198,020 -58,699 -3%
Bank of America
16
Bank of America
North Carolina
$594M 2,173,458 +196,471 +10%
Norges Bank
17
Norges Bank
Norway
$575M 2,103,834 -25,824 -1%
Bank of New York Mellon
18
Bank of New York Mellon
New York
$557M 2,038,169 +17,313 +0.9%
JHIU
19
Janus Henderson Investors US
Colorado
$530M 1,936,719 +1,301,251 +205%
Ameriprise
20
Ameriprise
Minnesota
$512M 1,873,529 -1,704,598 -48%
Franklin Resources
21
Franklin Resources
California
$482M 1,763,224 -25,695 -1%
Goldman Sachs
22
Goldman Sachs
New York
$475M 1,738,842 +440,777 +34%
Deutsche Bank
23
Deutsche Bank
Germany
$436M 1,596,145 +101,331 +7%
D.E. Shaw & Co
24
D.E. Shaw & Co
New York
$426M 1,559,055 -252,028 -14%
TCIM
25
TIAA CREF Investment Management
New York
$405M 1,479,999 +98,956 +7%
1
2 3 4 5