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Biogen
BIIB

Overview Fund Activity

1,018 hedge funds and large institutions have $51.5B invested in Biogen in 2017 Q1 according to their latest regulatory filings, with 90 funds opening new positions, 389 increasing their positions, 395 reducing their positions, and 83 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
1,018
Holders Change
-6
Holders Change %
-0.59%
% of All Funds
25.38%
Holding in Top 10
27
Holding in Top 10 Change
-14
Holding in Top 10 Change %
-34.15%
% of All Funds
0.67%
New
90
Increased
389
Reduced
395
Closed
83
Calls
$808M
Puts
$1.07B
Net Calls
-$265M
Net Calls Change
-$42.8M

Top Buyers

1
BlackRock
1
BlackRock
New York
$4.84B
2
JHIU
2
Janus Henderson Investors US
Colorado
$530M
3
Massachusetts Financial Services
3
Massachusetts Financial Services
Massachusetts
$370M
4
Winslow Capital Management
4
Winslow Capital Management
Minnesota
$345M
5
Goldman Sachs
5
Goldman Sachs
New York
$475M

Top Sellers

1
Fidelity Investments
1
Fidelity Investments
Massachusetts
$1.52B
2
Ameriprise
2
Ameriprise
Minnesota
$512M
3
Viking Global Investors
3
Viking Global Investors
Connecticut
$188M
4
T. Rowe Price Associates
4
T. Rowe Price Associates
Maryland
$2.22B
5
Two Sigma Investments
5
Two Sigma Investments
New York
$1.45M
Name Holding Trade Value Shares
Change 		Shares
Change %
FFA
1051
First Foundation Advisors
California
– -$1.14M -4,031 Closed
AJ
1052
Ashburton (Jersey)
Jersey
– -$1.01M -3,554 Closed
JGGDR
1053
JGP Global Gestao de Recursos
Brazil
– -$939K -3,312 Closed
ACM
1054
Avalon Capital Management
California
– -$919K -3,240 Closed
FO
1055
FT Options
Illinois
– -$905K -3,191 Closed
IIM
1056
Intact Investment Management
Quebec, Canada
– -$681K -2,400 Closed
HSA
1057
HBK Sorce Advisory
Pennsylvania
– -$680K -2,397 Closed
TAM
1058
Todd Asset Management
Kentucky
– -$586K -2,068 Closed
WMSA
1059
Weiss Multi-Strategy Advisers
New York
– -$576K -2,031 Closed
PA
1060
Perceptive Advisors
New York
– -$545K -1,922 Closed
TSS
1061
Two Sigma Securities
New York
– -$526K -1,856 Closed
BFM
1062
Boothbay Fund Management
New York
– -$524 -1,847 Closed
CCC
1063
Chelsea Counsel Company
California
– -$425K -1,500 Closed
CLCM
1064
Crawford Lake Capital Management
New Jersey
– -$420K -1,480 Closed
WG
1065
Winton Group
United Kingdom
– -$375K -1,323 Closed
MBT
1066
Montecito Bank & Trust
California
– -$368K -1,298 Closed
VIA
1067
Vident Investment Advisory
Georgia
– -$332K -1,172 Closed
MIS
1068
Morningstar Investment Services
Illinois
– -$305K -1,077 Closed
BW
1069
Bison Wealth
Georgia
– -$277K -976 Closed
DWT
1070
Dorsey & Whitney Trust
South Dakota
– -$268K -943 Closed
MCM
1071
Murphy Capital Management
New Jersey
– -$262K -925 Closed
FCBT
1072
First Citizens Bank & Trust
North Carolina
– -$250K -883 Closed
FHC
1073
First Heartland Consultants
Missouri
– -$247K -871 Closed
MC
1074
Moors & Cabot
Massachusetts
– -$235K -825 Closed
FWCM
1075
First Western Capital Management
California
– -$230K -810 Closed
41 42
43
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