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Biogen

Name Holding Trade Value Shares
Change
Change in
Stake
DCM
976
Decatur Capital Management
Georgia
-$12.6M -48,450 Closed
ST
977
Spot Trading
Illinois
-$8.37M -31,747 Closed
ZA
978
Zweig Advisers
Connecticut
-$8.04M -30,900 Closed
Janney Montgomery Scott
979
Janney Montgomery Scott
Pennsylvania
-$6.62M -25,422 Closed
CC
980
CQS Cayman
Cayman Islands
-$6.4M -24,600 Closed
HT
981
HAP Trading
New York
-$6.31M -23,940 Closed
Alyeska Investment Group
982
Alyeska Investment Group
Illinois
-$6.09M -23,381 Closed
EAM
983
EverPoint Asset Management
Connecticut
-$4.17M -16,000 Closed
ARTA
984
A.R.T. Advisors
New York
-$4.14M -15,895 Closed
ASC
985
Atalanta Sosnoff Capital
New York
-$3.72M -14,293 Closed
LG
986
Leuthold Group
Minnesota
-$3.49M -13,413 Closed
SCM
987
Suffolk Capital Management
New York
-$3.4M -13,072 Closed
Cohen & Steers
988
Cohen & Steers
New York
-$3.05M -11,700 Closed
EIM
989
Essex Investment Management
Massachusetts
-$2.83M -10,880 Closed
MCM
990
Matterhorn Capital Management
Texas
-$1.96M -7,522 Closed
PVI
991
Pura Vida Investments
New York
-$1.95M -7,500 Closed
Squarepoint
992
Squarepoint
New York
-$1.94M -7,461 Closed
BI
993
Boulegeris Investments
Georgia
-$1.77M -6,820 Closed
QIM
994
Quantitative Investment Management
Virginia
-$1.72M -6,600 Closed
TI
995
Turner Investments
Pennsylvania
-$1.55M -5,950 Closed
DCMM
996
DG Capital Management (Massachusetts)
Massachusetts
-$1.46M -5,599 Closed
Parallax Volatility Advisers
997
Parallax Volatility Advisers
California
-$1.36M -5,154 Closed
CC
998
Casdin Capital
New York
-$1.3M -5,000 Closed
PRCM
999
Pine River Capital Management
Minnesota
-$1.2M -4,600 Closed
FMA
1000
FNY Managed Accounts
New York
-$807K -3,100 Closed