BIIB icon

Biogen
BIIB

Overview Fund Activity

946 hedge funds and large institutions have $49.3B invested in Biogen in 2016 Q1 according to their latest regulatory filings, with 95 funds opening new positions, 363 increasing their positions, 350 reducing their positions, and 103 closing their positions.

Holders
946
Holders Change
-22
Holders Change %
-2.27%
% of All Funds
25.25%
Holding in Top 10
32
Holding in Top 10 Change
-5
Holding in Top 10 Change %
-13.51%
% of All Funds
0.85%
New
95
Increased
363
Reduced
350
Closed
103
Calls
$1.05B
Puts
$1.13B
Net Calls
-$73.9M
Net Calls Change
+$323M

Top Buyers

1
T. Rowe Price Associates
1
T. Rowe Price Associates
Maryland
$2.11B
2
Fidelity Investments
2
Fidelity Investments
Massachusetts
$3.51B
3
Primecap Management
3
Primecap Management
California
$4.23B
4
VAM
4
Visium Asset Management
New York
$99.3M
5
Invesco
5
Invesco
Georgia
$941M

Top Sellers

1
Wellington Management Group
1
Wellington Management Group
Massachusetts
$1.21B
2
State Street
2
State Street
Massachusetts
$2.32B
3
AQR Capital Management
3
AQR Capital Management
Connecticut
$74.9M
4
JPMorgan Chase & Co
4
JPMorgan Chase & Co
New York
$985M
5
BFA
5
BlackRock Fund Advisors
California
$1.24B
Name Market Value Shares Shares
Change 		Shares
Change %
Primecap Management
1
Primecap Management
California
$4.23B 16,246,726 +436,101 +3%
Fidelity Investments
2
Fidelity Investments
Massachusetts
$3.51B 13,493,064 +567,069 +4%
Vanguard Group
3
Vanguard Group
Pennsylvania
$3.48B 13,361,902 +133,400 +1%
State Street
4
State Street
Massachusetts
$2.32B 8,928,855 -532,762 -6%
ClearBridge Investments
5
ClearBridge Investments
New York
$2.2B 8,465,459 -104,449 -1%
T. Rowe Price Associates
6
T. Rowe Price Associates
Maryland
$2.11B 8,119,909 +1,759,477 +28%
BIT
7
BlackRock Institutional Trust
California
$1.5B 5,766,052 -133,709 -2%
BFA
8
BlackRock Fund Advisors
California
$1.24B 4,771,738 -383,936 -7%
Wellington Management Group
9
Wellington Management Group
Massachusetts
$1.21B 4,658,269 -620,971 -12%
Ameriprise
10
Ameriprise
Minnesota
$1.07B 4,097,151 +101,058 +3%
JPMorgan Chase & Co
11
JPMorgan Chase & Co
New York
$985M 3,785,227 -519,265 -12%
Invesco
12
Invesco
Georgia
$941M 3,615,548 +342,290 +10%
Jennison Associates
13
Jennison Associates
New York
$902M 3,465,274 +82,049 +2%
AllianceBernstein
14
AllianceBernstein
Tennessee
$823M 3,162,932 +334,516 +12%
Sands Capital Management
15
Sands Capital Management
Virginia
$818M 3,141,109 -226,422 -7%
JSP
16
Jackson Square Partners
California
$806M 2,809,422 +271,970 +11%
Northern Trust
17
Northern Trust
Illinois
$788M 3,002,992 -22,269 -0.7%
Bank of New York Mellon
18
Bank of New York Mellon
New York
$701M 2,692,260 -131,812 -5%
D.E. Shaw & Co
19
D.E. Shaw & Co
New York
$580M 2,228,217 +135,608 +6%
Franklin Resources
20
Franklin Resources
California
$538M 2,067,319 -48,255 -2%
BG
21
BlackRock Group
United Kingdom
$524M 2,011,254 -139,747 -6%
Bank of America
22
Bank of America
North Carolina
$501M 1,925,188 +338,245 +21%
Norges Bank
23
Norges Bank
Norway
$473M 1,816,599 -130,276 -7%
O
24
OppenheimerFunds
New York
$429M 1,646,252 -45,925 -3%
TCIM
25
TIAA CREF Investment Management
New York
$398M 1,528,077 -132,901 -8%
1
2 3 4 5