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Biogen
BIIB

Overview Fund Activity

964 hedge funds and large institutions have $46.5B invested in Biogen in 2016 Q2 according to their latest regulatory filings, with 107 funds opening new positions, 368 increasing their positions, 347 reducing their positions, and 79 closing their positions.

Holders
964
Holders Change
+18
Holders Change %
+1.9%
% of All Funds
25.76%
Holding in Top 10
43
Holding in Top 10 Change
+11
Holding in Top 10 Change %
+34.38%
% of All Funds
1.15%
New
107
Increased
368
Reduced
347
Closed
79
Calls
$1.08B
Puts
$1.33B
Net Calls
-$252M
Net Calls Change
-$178M

Top Buyers

1
Viking Global Investors
1
Viking Global Investors
Connecticut
$776M
2
Citadel Advisors
2
Citadel Advisors
Florida
$328M
3
Macquarie Group
3
Macquarie Group
Australia
$439M
4
Deutsche Bank
4
Deutsche Bank
Germany
$436M
5
CCM
5
Causeway Capital Management
California
$135M

Top Sellers

1
Royal London Asset Management
1
Royal London Asset Management
United Kingdom
$17.9M
2
Fidelity Investments
2
Fidelity Investments
Massachusetts
$2.77B
3
T. Rowe Price Associates
3
T. Rowe Price Associates
Maryland
$1.54B
4
Jennison Associates
4
Jennison Associates
New York
$485M
5
WRF
5
Waddell & Reed Financial
Kansas
$81.3M
Name Market Value Shares Shares
Change 		Shares
Change %
ZA
976
Zweig Advisers
Connecticut
– – -30,900 Closed
Janney Montgomery Scott
977
Janney Montgomery Scott
Pennsylvania
– – -25,422 Closed
CC
978
CQS Cayman
Cayman Islands
– – -24,600 Closed
HT
979
HAP Trading
New York
– – -23,940 Closed
Alyeska Investment Group
980
Alyeska Investment Group
Illinois
– – -23,381 Closed
EAM
981
EverPoint Asset Management
Connecticut
– – -16,000 Closed
ARTA
982
A.R.T. Advisors
New York
– – -15,895 Closed
ASC
983
Atalanta Sosnoff Capital
New York
– – -14,293 Closed
LG
984
Leuthold Group
Minnesota
– – -13,413 Closed
SCM
985
Suffolk Capital Management
New York
– – -13,072 Closed
Cohen & Steers
986
Cohen & Steers
New York
– – -11,700 Closed
EIM
987
Essex Investment Management
Massachusetts
– – -10,880 Closed
MCM
988
Matterhorn Capital Management
Texas
– – -7,522 Closed
PVI
989
Pura Vida Investments
New York
– – -7,500 Closed
Squarepoint
990
Squarepoint
New York
– – -7,461 Closed
BI
991
Boulegeris Investments
Georgia
– – -6,820 Closed
QIM
992
Quantitative Investment Management
Virginia
– – -6,600 Closed
TI
993
Turner Investments
Pennsylvania
– – -5,950 Closed
DCMM
994
DG Capital Management (Massachusetts)
Massachusetts
– – -5,599 Closed
Parallax Volatility Advisers
995
Parallax Volatility Advisers
California
– – -5,154 Closed
CC
996
Casdin Capital
New York
– – -5,000 Closed
PRCM
997
Pine River Capital Management
Minnesota
– – -4,600 Closed
FMA
998
FNY Managed Accounts
New York
– – -3,100 Closed
SCA
999
Secor Capital Advisors
New York
– – -3,077 Closed
AIM
1000
Assured Investment Management
New York
– – -2,737 Closed
38 39
40
41 42