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
301
$7.6M
302
$7.47M
303
$7.29M
304
$7.25M
305
$7.25M
306
$7.15M
307
$7.13M
308
$7.06M
309
$7.04M
310
$6.9M
311
$6.88M
312
$6.82M
313
$6.8M
314
$6.77M
315
$6.76M
316
$6.75M
317
$6.71M
318
$6.69M
319
$6.69M
320
$6.65M
321
$6.5M
322
$6.49M
323
$6.42M
324
$6.29M
325
$6.18M