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Biogen
BIIB

Overview Fund Activity

1,013 hedge funds and large institutions have $59B invested in Biogen in 2017 Q3 according to their latest regulatory filings, with 99 funds opening new positions, 380 increasing their positions, 355 reducing their positions, and 68 closing their positions.

Holders
1,013
Holders Change
+22
Holders Change %
+2.22%
% of All Funds
25.29%
Holding in Top 10
38
Holding in Top 10 Change
+15
Holding in Top 10 Change %
+65.22%
% of All Funds
0.95%
New
99
Increased
380
Reduced
355
Closed
68
Calls
$974M
Puts
$1.24B
Net Calls
-$269M
Net Calls Change
-$87M

Top Buyers

1
T. Rowe Price Associates
1
T. Rowe Price Associates
Maryland
$3.34B
2
Fidelity Investments
2
Fidelity Investments
Massachusetts
$2.24B
3
Ameriprise
3
Ameriprise
Minnesota
$723M
4
AQR Capital Management
4
AQR Capital Management
Connecticut
$585M
5
Bank of New York Mellon
5
Bank of New York Mellon
New York
$728M

Top Sellers

1
BlackRock
1
BlackRock
New York
$5.31B
2
D.E. Shaw & Co
2
D.E. Shaw & Co
New York
$191M
3
Renaissance Technologies
3
Renaissance Technologies
New York
$37.6M
4
SIG
4
Senator Investment Group
New York
$0
5
Citadel Advisors
5
Citadel Advisors
Florida
$208M
Name Market Value Shares Shares
Change 		Shares
Change %
BlackRock
1
BlackRock
New York
$5.31B 16,944,289 -1,163,069 -6%
Primecap Management
2
Primecap Management
California
$4.76B 15,212,914 -178,487 -1%
Vanguard Group
3
Vanguard Group
Pennsylvania
$4.59B 14,668,942 +134,115 +0.9%
T. Rowe Price Associates
4
T. Rowe Price Associates
Maryland
$3.34B 10,681,378 +1,732,596 +19%
State Street
5
State Street
Massachusetts
$3.03B 9,669,416 -51,896 -0.5%
ClearBridge Investments
6
ClearBridge Investments
New York
$2.9B 9,250,827 -43,073 -0.5%
Fidelity Investments
7
Fidelity Investments
Massachusetts
$2.24B 7,151,969 +1,047,943 +17%
Wellington Management Group
8
Wellington Management Group
Massachusetts
$1.62B 5,167,662 -60,818 -1%
Invesco
9
Invesco
Georgia
$1.06B 3,379,854 -60,884 -2%
Northern Trust
10
Northern Trust
Illinois
$948M 3,028,747 +11,611 +0.4%
AllianceBernstein
11
AllianceBernstein
Tennessee
$842M 2,687,665 +283,918 +12%
JPMorgan Chase & Co
12
JPMorgan Chase & Co
New York
$770M 2,484,529 +208,228 +9%
Bank of America
13
Bank of America
North Carolina
$759M 2,424,301 +419,835 +21%
Geode Capital Management
14
Geode Capital Management
Massachusetts
$756M 2,418,806 -720 -0%
Bank of New York Mellon
15
Bank of New York Mellon
New York
$728M 2,325,987 +450,207 +24%
Ameriprise
16
Ameriprise
Minnesota
$723M 2,309,394 +600,384 +35%
JSP
17
Jackson Square Partners
California
$704M 2,249,253 +191,526 +9%
Goldman Sachs
18
Goldman Sachs
New York
$663M 2,116,768 +383,275 +22%
TCIM
19
TIAA CREF Investment Management
New York
$660M 2,106,498 +199,678 +10%
Norges Bank
20
Norges Bank
Norway
$632M 2,019,198 +4,721 +0.2%
AQR Capital Management
21
AQR Capital Management
Connecticut
$585M 1,869,661 +565,002 +43%
Massachusetts Financial Services
22
Massachusetts Financial Services
Massachusetts
$561M 1,791,870 -47,712 -3%
O
23
OrbiMed
New York
$510M 1,630,000 – –
Deutsche Bank
24
Deutsche Bank
Germany
$494M 1,576,601 -88,975 -5%
Janus Henderson Group
25
Janus Henderson Group
United Kingdom
$451M 1,440,151 -5,409 -0.4%
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