818 hedge funds and large institutions have $71B invested in Biogen in 2014 Q3 according to their latest regulatory filings, with 91 funds opening new positions, 312 increasing their positions, 278 reducing their positions, and 47 closing their positions.

Holders
818
Holders Change
+36
Holders Change %
+4.6%
% of All Funds
23.75%
Holding in Top 10
41
Holding in Top 10 Change
+5
Holding in Top 10 Change %
+13.89%
% of All Funds
1.19%
New
91
Increased
312
Reduced
278
Closed
47
Calls
$754M
Puts
$1.23B
Net Calls
-$479M
Net Calls Change
-$208M
Name Market Value Shares Shares
Change
Shares
Change %
Mirae Asset Global Investments
201
Mirae Asset Global Investments
South Korea
$23.3M 70,542 -16,318 -19%
AI
202
Analytic Investors
California
$23M 69,570 +47,882 +221%
Los Angeles Capital Management
203
Los Angeles Capital Management
California
$22.2M 67,169 -11,021 -14%
GIBU
204
Gulf International Bank (UK)
United Kingdom
$22.2M 67,106 +1,236 +2%
AG
205
Aperio Group
California
$22.2M 67,062 +6,248 +10%
ASRS
206
Arizona State Retirement System
Arizona
$21.7M 65,698 -2,000 -3%
SB
207
Suntrust Banks
Georgia
$20.6M 62,138 +24,659 +66%
HIMCH
208
Hartford Investment Management Co (HIMCO)
Connecticut
$20.4M 61,552 -1,859 -3%
RSCM
209
Rock Springs Capital Management
Maryland
$20.3M 61,350 +1,350 +2%
IA
210
Icon Advisers
Colorado
$20.3M 61,260 +25,800 +73%
FAF
211
Fjarde Ap-fonden
Sweden
$20M 60,461 -4,527 -7%
RI
212
Redwood Investments
Massachusetts
$20M 60,334 +14,489 +32%
QBFM
213
QS Batterymarch Financial Management
New York
$19.9M 60,299 +12,398 +26%
BSA
214
Braun Stacey Associates
New York
$19.7M 59,696 -4,598 -7%
Capital International Investors
215
Capital International Investors
California
$19.7M 59,500 +59,500 New
GF
216
Gabelli Funds
New York
$19.7M 59,400 -9,100 -13%
Mitsubishi UFJ Asset Management
217
Mitsubishi UFJ Asset Management
Japan
$19.6M 59,219 -13,403 -18%
IRF
218
IBM Retirement Fund
New York
$19.4M 58,746 -1,806 -3%
Royal London Asset Management
219
Royal London Asset Management
United Kingdom
$19.2M 58,019 +3,028 +6%
EIM
220
ExxonMobil Investment Management
Texas
$19.1M 57,866 -2,483 -4%
Citadel Advisors
221
Citadel Advisors
Florida
$18.9M 57,178 +21,612 +61%
PI
222
Placemark Investments
Illinois
$18.8M 56,887 +7,196 +14%
HI
223
HBK Investments
Texas
$18.6M 56,193 -6,318 -10%
Lord, Abbett & Co
224
Lord, Abbett & Co
New Jersey
$18.5M 55,881 +19,020 +52%
BIM
225
BRC Investment Management
Colorado
$18.3M 55,376 -1,404 -2%