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Biogen
BIIB

Overview Fund Activity

965 hedge funds and large institutions have $90B invested in Biogen in 2015 Q1 according to their latest regulatory filings, with 132 funds opening new positions, 336 increasing their positions, 371 reducing their positions, and 42 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
965
Holders Change
+81
Holders Change %
+9.16%
% of All Funds
25.74%
Holding in Top 10
68
Holding in Top 10 Change
+16
Holding in Top 10 Change %
+30.77%
% of All Funds
1.81%
New
132
Increased
336
Reduced
371
Closed
42
Calls
$1.06B
Puts
$1.64B
Net Calls
-$582M
Net Calls Change
-$200M

Top Buyers

1
Fidelity Investments
Fidelity Investments
Massachusetts
$9.31B
2
JSP
Jackson Square Partners
California
$438M
3
Wellington Management Group
Wellington Management Group
Massachusetts
$1.46B
4
D.E. Shaw & Co
D.E. Shaw & Co
New York
$385M
5
IC
Institutional Capital
Illinois
$279M

Top Sellers

1
T. Rowe Price Associates
T. Rowe Price Associates
Maryland
$4.56B
2
JPMorgan Chase & Co
JPMorgan Chase & Co
New York
$2.47B
3
Primecap Management
Primecap Management
California
$6.99B
4
Goldman Sachs
Goldman Sachs
New York
$534M
5
Jennison Associates
Jennison Associates
New York
$2.15B
Name Holding Trade Value Shares
Change 		Shares
Change %
SFP
976
Santa Fe Partners
New Mexico
– -$4.05M -11,932 Closed
MCM
977
Matterhorn Capital Management
Texas
– -$3.6M -10,601 Closed
CIP
978
Convergence Investment Partners
Florida
– -$3.48M -10,247 Closed
CI
979
Chartist Inc
California
– -$3.31M -9,605 Closed
ST
980
Spot Trading
Illinois
– -$2.9M -8,551 Closed
AF
981
Ally Financial
Michigan
– -$2.72M -8,000 Closed
DS
982
DRW Securities
Illinois
– -$2.65M -7,800 Closed
TI
983
Turner Investments
Pennsylvania
– -$2.29M -6,757 Closed
F
984
FutureAdvisor
California
– -$328K -6,593 Closed
Belvedere Trading
985
Belvedere Trading
Illinois
– -$1.81M -5,320 Closed
GAM
986
Gotham Asset Management
New York
– -$1.7M -5,012 Closed
AIM
987
abrdn Investment Management
United Kingdom
– -$1.39M -4,096 Closed
LMIM
988
Lockheed Martin Investment Management
Maryland
– -$1.22M -3,600 Closed
MSU
989
Maple Securities USA
New Jersey
– -$1.02M -3,000 Closed
IMS
990
Index Management Solutions
Pennsylvania
– -$1.02M -2,999 Closed
WMSA
991
Weiss Multi-Strategy Advisers
New York
– -$679K -2,000 Closed
VF
992
Virtu Financial
New York
– -$619K -1,825 Closed
FHB
993
First Hawaiian Bank
Hawaii
– -$577K -1,701 Closed
AH
994
Achievement Holdings
Illinois
– -$509K -1,500 Closed
ZIM
995
Zacks Investment Management
Illinois
– -$502K -1,479 Closed
IWC
996
Integrated Wealth Counsel
California
– -$441K -1,300 Closed
EAM
997
Evanson Asset Management
California
– -$286K -842 Closed
GHAM
998
Gilman Hill Asset Management
Connecticut
– -$233K -687 Closed
PBT
999
Pictet Bank & Trust
Bahamas
– -$224K -660 Closed
WF
1000
WealthTrust Fairport
Ohio
– -$88K -259 Closed
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