738 hedge funds and large institutions have $60.8B invested in Biogen in 2013 Q4 according to their latest regulatory filings, with 121 funds opening new positions, 247 increasing their positions, 264 reducing their positions, and 30 closing their positions.

Holders
738
Holders Change
+82
Holders Change %
+12.5%
% of All Funds
21.43%
Holding in Top 10
37
Holding in Top 10 Change
+13
Holding in Top 10 Change %
+54.17%
% of All Funds
1.07%
New
121
Increased
247
Reduced
264
Closed
30
Calls
$913M
Puts
$771M
Net Calls
+$142M
Net Calls Change
+$212M
Name Market Value Shares Shares
Change
Shares
Change %
CWM
351
Cabot Wealth Management
Massachusetts
$2.97M 10,611 -91 -0.9%
LMF
352
LMR Master Fund
Cayman Islands
$2.91M 10,389 +7,742 +292%
AIM
353
abrdn Investment Management
United Kingdom
$2.9M 10,379 +192 +2%
WT
354
Wilmington Trust
Delaware
$2.9M 10,355 -380 -4%
QI
355
Quotient Investors
New York
$2.87M 10,255 +8,919 +668%
MA
356
MUFG Americas
New York
$2.83M 10,119 +913 +10%
CI
357
Chartist Inc
California
$2.82M 10,131 +10,131 New
IAS
358
IMA Advisory Services
Colorado
$2.81M 10,055 +375 +4%
SCM
359
Sigma Capital Management
Connecticut
$2.8M 10,000 +10,000 New
EAM
360
EULAV Asset Management
Florida
$2.8M 10,000
SGH
361
Sivik Global Healthcare
Connecticut
$2.8M 10,000 +10,000 New
CI
362
Constellation Investments
Ohio
$2.74M 9,795 +600 +7%
GMIM
363
General Motors Investment Management
New York
$2.72M 9,721 -2,074 -18%
HIM
364
Hermes Investment Management
United Kingdom
$2.72M 9,707 -2,081 -18%
DADC
365
D.A. Davidson & Co
Montana
$2.68M 9,610 +880 +10%
BOTW
366
Bank of the West
California
$2.68M 9,596 -946 -9%
TSWM
367
Triangle Securities Wealth Management
North Carolina
$2.67M 9,561 -73 -0.8%
Fiera Capital (Canada)
368
Fiera Capital (Canada)
Quebec, Canada
$2.63M 9,410 +8,510 +946%
FWIA
369
Fort Washington Investment Advisors
Ohio
$2.61M 9,320 -595 -6%
SIM
370
Spark Investment Management
New York
$2.6M 9,300 +7,200 +343%
BB
371
Busey Bank
Illinois
$2.56M 9,150 +9,150 New
NCGI
372
Next Century Growth Investors
Minnesota
$2.56M 9,139 +60 +0.7%
P
373
Pitcairn
Pennsylvania
$2.55M 9,128 -1,159 -11%
CI
374
Conning Inc
Connecticut
$2.5M 8,936 +1,230 +16%
LI
375
LMCG Investments
Massachusetts
$2.5M 8,936 -2,948 -25%