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Biogen
BIIB

646 hedge funds and large institutions have $47.5B invested in Biogen in 2013 Q2 according to their latest regulatory filings, with 646 funds opening new positions, increasing their positions, reducing their positions, and closing their positions.

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New
Increased
Maintained
Reduced
Closed

less call options, than puts

Call options by funds: $ | Put options by funds: $
Holders
646
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
29
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$527M
Puts
$606M
Net Calls
Net Calls Change

Top Buyers

No buyers this quarter

Top Sellers

No sellers this quarter
Name Holding Trade Value Shares
Change 		Change in
Stake
201
$10.8M
202
$10.8M
203
$10.8M
204
$10.8M
205
$10.4M
206
$10.1M
207
$10.1M
208
$10.1M
209
$10.1M
210
$9.94M
211
$9.91M
212
$9.73M
213
$9.68M
214
$9.55M
215
$9.39M
216
$9.36M
217
$9.32M
218
$9.3M
219
$9.22M
220
$9.21M
221
$9.19M
222
$8.95M
223
$8.64M
224
$8.57M
225
$8.5M
7 8
9
10 11