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.

New
Increased
Maintained
Reduced
Closed
Holders
964
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
43
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$1.08B
Puts
$1.33B
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
351
$5.17M
352
$5.15M
353
$5.13M
354
$5.12M
355
$5.1M
356
$4.97M
357
$4.96M
358
$4.86M
359
$4.85M
360
$4.84M
361
$4.84M
362
$4.75M
363
$4.74M
364
$4.73M
365
$4.71M
366
$4.71M
367
$4.7M
368
$4.66M
369
$4.63M
370
$4.63M
371
$4.61M
372
$4.5M
373
$4.49M
374
$4.38M
375
$4.35M