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Biogen

Name Holding Trade Value Shares
Change
Change in
Stake
Arrowstreet Capital
951
Arrowstreet Capital
Massachusetts
-$88.6M -289,253 Closed
SCM
952
Steadfast Capital Management
New York
-$53.3M -173,985 Closed
MGM
953
Miura Global Management
New York
-$38.3M -125,000 Closed
SAM
954
Senzar Asset Management
New York
-$26.4M -86,300 Closed
HCM
955
Highbridge Capital Management
New York
-$20.4M -66,479 Closed
CI Investments Inc
956
CI Investments Inc
Ontario, Canada
-$18.8M -61,500 Closed
BJCM
957
Blue Jay Capital Management
California
-$17.8M -58,161 Closed
HM
958
HealthCor Management
New York
-$14.4M -47,090 Closed
CC
959
Carlson Capital
Texas
-$13.5M -44,048 Closed
IA
960
Icon Advisers
Colorado
-$13.1M -42,800 Closed
ZDA
961
Zweig-DiMenna Associates
New York
-$9.19M -30,000 Closed
AI
962
Analytic Investors
California
-$7.67M -25,025 Closed
GTC
963
Ghost Tree Capital
New York
-$7.66M -25,000 Closed
T
964
TOBAM
France
-$7.34M -23,970 Closed
DAM
965
Deltec Asset Management
New York
-$6.48M -21,155 Closed
CCI
966
Columbus Circle Investors
-$5.11M -16,692 Closed
WG
967
Winton Group
United Kingdom
-$4.98M -16,245 Closed
RBA
968
Richard Bernstein Advisors
New York
-$4.13M -13,496 Closed
MCM
969
Mazama Capital Management
Oregon
-$4.1M -13,383 Closed
OAC
970
OMERS Administration Corp
Ontario, Canada
-$3.95M -12,900 Closed
SCM
971
Sitrin Capital Management
California
-$3.62M -12,874 Closed
NC
972
Nicholas Company
Wisconsin
-$3.07M -10,010 Closed
GA
973
Geneva Advisors
Illinois
-$2.87M -9,365 Closed
WA
974
Whitebox Advisors
Minnesota
-$2.6M -8,492 Closed
RIM
975
Reliant Investment Management
Tennessee
-$2.45M -8,000 Closed