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Biogen
BIIB

Overview Fund Activity

776 hedge funds and large institutions have $66.1B invested in Biogen in 2014 Q1 according to their latest regulatory filings, with 95 funds opening new positions, 284 increasing their positions, 294 reducing their positions, and 46 closing their positions.

Holders
776
Holders Change
+38
Holders Change %
+5.15%
% of All Funds
22.43%
Holding in Top 10
33
Holding in Top 10 Change
-4
Holding in Top 10 Change %
-10.81%
% of All Funds
0.95%
New
95
Increased
284
Reduced
294
Closed
46
Calls
$893M
Puts
$1.2B
Net Calls
-$307M
Net Calls Change
-$449M

Top Buyers

1
JHIU
1
Janus Henderson Investors US
Colorado
$676M
2
T. Rowe Price Associates
2
T. Rowe Price Associates
Maryland
$3.72B
3
WRF
3
Waddell & Reed Financial
Kansas
$786M
4
BA
4
BlackRock Advisors
Delaware
$447M
5
Franklin Resources
5
Franklin Resources
California
$698M

Top Sellers

1
Fidelity Investments
1
Fidelity Investments
Massachusetts
$6.71B
2
JPMorgan Chase & Co
2
JPMorgan Chase & Co
New York
$1.89B
3
Capital Research Global Investors
3
Capital Research Global Investors
California
$2.61B
4
State Street
4
State Street
Massachusetts
$2.92B
5
Wellington Management Group
5
Wellington Management Group
Massachusetts
$808M
Name Market Value Shares Shares
Change 		Shares
Change %
PAS
776
Partnervest Advisory Services
California
$1K 3 -47 -94%
Renaissance Technologies
777
Renaissance Technologies
New York
– – -542,338 Closed
PI
778
PGGM Investments
Netherlands
– – -180,572 Closed
DFO
779
Duquesne Family Office
New York
– – -91,500 Closed
Voloridge Investment Management
780
Voloridge Investment Management
Florida
– – -59,447 Closed
PA
781
Perceptive Advisors
New York
– – -40,000 Closed
ARTA
782
A.R.T. Advisors
New York
– – -35,924 Closed
AP
783
Alydar Partners
Massachusetts
– – -35,000 Closed
Lord, Abbett & Co
784
Lord, Abbett & Co
New Jersey
– – -33,688 Closed
MSU
785
Mizuho Securities USA
New York
– – -28,474 Closed
PP
786
Paloma Partners
Connecticut
– – -28,062 Closed
HM
787
HealthCor Management
New York
– – -27,800 Closed
Two Sigma Advisers
788
Two Sigma Advisers
New York
– – -25,669 Closed
SGA
789
Sector Gamma AS
Norway
– – -20,000 Closed
Two Sigma Investments
790
Two Sigma Investments
New York
– – -19,658 Closed
BA
791
Bridgewater Associates
Connecticut
– – -19,057 Closed
PCA
792
Private Capital Advisors
Connecticut
– – -14,675 Closed
SFP
793
Santa Fe Partners
New Mexico
– – -10,872 Closed
AL
794
Airain Ltd
Guernsey
– – -8,003 Closed
JIM
795
Jupiter Investment Management
United Kingdom
– – -7,465 Closed
Jacobs Levy Equity Management
796
Jacobs Levy Equity Management
New Jersey
– – -7,380 Closed
CCIA
797
Campbell & Co Investment Adviser
Maryland
– – -4,598 Closed
VAM
798
Visium Asset Management
New York
– – -4,400 Closed
TRCT
799
Tower Research Capital (TRC)
New York
– – -4,128 Closed
TCM
800
Tributary Capital Management
Nebraska
– – -3,500 Closed
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