776 hedge funds and large institutions have $66.1B invested in Biogen in 2014 Q1 according to their latest regulatory filings, with 95 funds opening new positions, 284 increasing their positions, 294 reducing their positions, and 46 closing their positions.

Holders
776
Holders Change
+38
Holders Change %
+5.15%
% of All Funds
22.43%
Holding in Top 10
33
Holding in Top 10 Change
-4
Holding in Top 10 Change %
-10.81%
% of All Funds
0.95%
New
95
Increased
284
Reduced
294
Closed
46
Calls
$893M
Puts
$1.2B
Net Calls
-$307M
Net Calls Change
-$449M
Name Market Value Shares Shares
Change
Shares
Change %
QI
301
Quotient Investors
New York
$5.12M 16,725 +6,470 +63%
PSUF
302
People's United Financial
Connecticut
$5.07M 16,562 +227 +1%
TH
303
Timber Hill
Connecticut
$5.07M 16,563 +1,392 +9%
CIC
304
Chase Investment Counsel
Virginia
$5.06M 16,543 -3,685 -18%
V
305
Veritable
Delaware
$5.03M 16,436 +1,559 +10%
GL
306
GLG LLC
New York
$5.01M 16,375 +16,375 New
Fifth Third Bancorp
307
Fifth Third Bancorp
Ohio
$4.95M 16,177 +12,170 +304%
BTS
308
BB&T Securities
Virginia
$4.94M 1,615 +196 +14%
SBH
309
Segall Bryant & Hamill
Illinois
$4.87M 15,931 -179 -1%
SCM
310
Suffolk Capital Management
New York
$4.87M 15,930 +15,930 New
AMI
311
Amica Mutual Insurance
Rhode Island
$4.87M 15,909 -2,668 -14%
AAM
312
Advisors Asset Management
Colorado
$4.85M 15,843 -905 -5%
EIM
313
Essex Investment Management
Massachusetts
$4.64M 15,183 +1,282 +9%
DIA
314
Denver Investment Advisors
Colorado
$4.64M 15,155 -4,532 -23%
B
315
BP
United Kingdom
$4.59M 15,000
PI
316
PineBridge Investments
New York
$4.58M 14,970 -1,128 -7%
LMGAM
317
Liberty Mutual Group Asset Management
Massachusetts
$4.28M 13,984 +889 +7%
DWA
318
Dorsey Wright & Associates
California
$4.26M 14,900 +3,393 +29%
SIM
319
Sentry Investment Management
Wisconsin
$4.16M 13,600 +400 +3%
RBA
320
Richard Bernstein Advisors
New York
$4.13M 13,496 +5,941 +79%
BCAM
321
Boston Common Asset Management
Massachusetts
$4.12M 13,481 +29 +0.2%
CONA
322
Capital One National Association
New York
$4.11M 13,442 -103 -0.8%
CII
323
CR Intrinsic Investors
Connecticut
$3.98M 13,000 +13,000 New
MCM
324
Matterhorn Capital Management
Texas
$3.97M 13,499 -448 -3%
MA
325
MUFG Americas
New York
$3.97M 12,962 +2,843 +28%