968 hedge funds and large institutions have $58.9B invested in Biogen in 2015 Q4 according to their latest regulatory filings, with 139 funds opening new positions, 330 increasing their positions, 372 reducing their positions, and 82 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
968
Holders Change
+46
Holders Change %
+4.99%
% of All Funds
25.42%
Holding in Top 10
37
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
0.97%
New
139
Increased
330
Reduced
372
Closed
82
Calls
$1.24B
Puts
$1.63B
Net Calls
-$397M
Net Calls Change
+$181M
Name Holding Trade Value Shares
Change
Shares
Change %
CAG
1026
Crestwood Advisors Group
Massachusetts
-$285K -975 Closed
POA
1027
Pergamon Offshore Advisors
New York
-$270K -925 Closed
RFA
1028
Reilly Financial Advisors
California
-$268K -920 Closed
NERM
1029
New England Research & Management
Illinois
-$263K -900 Closed
PBT
1030
Pictet Bank & Trust
Bahamas
-$251K -860 Closed
CB
1031
Community Bank
New York
-$233K -800 Closed
SA
1032
Strategic Advisors
New York
-$233K -800 Closed
PJSIMP
1033
P.J. Schmidt Investment Management (PJS)
Wisconsin
-$217K -745 Closed
DC
1034
Davenport & Co
Virginia
-$216K -740 Closed
HHMI
1035
Howard Hughes Medical Institute
Maryland
-$203K -696 Closed
SFPIA
1036
Stevens First Principles Investment Advisors
California
-$146K -500 Closed
BFA
1037
Beaumont Financial Advisors
Massachusetts
-$202K -499 Closed
RIA
1038
Regal Investment Advisors
Michigan
-$132K -454 Closed
CFSG
1039
Community Financial Services Group
Vermont
-$105K -360 Closed
MIC
1040
MU Investments Company
Japan
-$83K -300 Closed
CK
1041
Carnick & Kubik
Colorado
-$58.4K -200 Closed
Group One Trading
1042
Group One Trading
Illinois
-$36K -122 Closed
AAM
1043
American Asset Management
Florida
-$29K -100 Closed
TRCT
1044
Tower Research Capital (TRC)
New York
-$27K -93 Closed
TF
1045
Tompkins Financial
New York
-$26K -88 Closed
MGIA
1046
Moneta Group Investment Advisors
Missouri
-$16K -54 Closed
IP
1047
Isthmus Partners
Wisconsin
-$12K -42 Closed
DLHL
1048
Donald L. Hagan LLC
Florida
-$12K -40 Closed
BWFA
1049
Baltimore-Washington Financial Advisors
Maryland
-$8K -30 Closed
CWM
1050
Cranbrook Wealth Management
Michigan
-$9K -30 Closed