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Biogen
BIIB

Name Holding Trade Value Shares
Change 		Change in
Stake
DKCM
1001
Davidson Kempner Capital Management
New York
– -$13.7M -50,000 Closed
ADEF
1002
Adams Diversified Equity Fund
Maryland
– -$12.9M -47,000 Closed
BJCM
1003
Blue Jay Capital Management
California
– -$12.7M -46,320 Closed
BIM
1004
Bogle Investment Management
Massachusetts
– -$10.9M -40,019 Closed
ACM
1005
Atlanta Capital Management
Georgia
– -$10.6M -38,713 Closed
SCM
1006
Sio Capital Management
New York
– -$7.56M -27,650 Closed
VW
1007
Vantage Wealth
California
– -$7.53M -27,549 Closed
GAMA
1008
Graticule Asia Macro Advisors
New York
– -$6.78M -24,795 Closed
Simplex Trading
1009
Simplex Trading
Illinois
– -$5.89M -22,270 Closed
SCM
1010
Stevens Capital Management
Pennsylvania
– -$5.74M -20,998 Closed
AIA
1011
Avalon Investment & Advisory
Texas
– -$5.42M -19,831 Closed
KWILP
1012
Kiwi Wealth Investments Limited Partnership
New Zealand
– -$4.81M -17,580 Closed
PC
1013
Paulson & Co
New York
– -$4.73M -17,300 Closed
BBA
1014
Baker Bros. Advisors
New York
– -$4.51M -16,500 Closed
BPM
1015
Bowling Portfolio Management
Ohio
– -$4.33M -15,856 Closed
HT
1016
HAP Trading
New York
– -$3.64M -13,755 Closed
MCM
1017
Matarin Capital Management
New York
– -$3.43M -12,543 Closed
QF
1018
QVT Financial
New York
– -$3.21M -11,760 Closed
SAM
1019
Sectoral Asset Management
Quebec, Canada
– -$3.2M -11,711 Closed
3C
1020
361 Capital
Colorado
– -$3.15M -11,528 Closed
HIS
1021
Horizon Investment Services
Indiana
– -$3.1M -11,352 Closed
TCA
1022
Taconic Capital Advisors
New York
– -$2.87M -10,500 Closed
MCM
1023
McKinley Capital Management
Alaska
– -$2.51M -9,185 Closed
ID
1024
Integral Derivatives
New York
– -$2.31M -8,749 Closed
RIA
1025
Regal Investment Advisors
Michigan
– -$2.39M -8,732 Closed
39 40
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