992 hedge funds and large institutions have $50.9B invested in Biogen in 2017 Q2 according to their latest regulatory filings, with 79 funds opening new positions, 351 increasing their positions, 391 reducing their positions, and 96 closing their positions.

New
Increased
Maintained
Reduced
Closed

more ownership

Funds ownership:

less capital invested

Capital invested by funds: $ → $

less funds holding

Funds holding:

less repeat investments, than reductions

Existing positions increased: | Existing positions reduced:

15% less funds holding in top 10

Funds holding in top 10: 2723 (-4)

16% less call options, than puts

Call options by funds: $954M | Put options by funds: $1.14B

18% less first-time investments, than exits

New positions opened: 79 | Existing positions closed: 96

Holders
992
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
23
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$954M
Puts
$1.14B
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
351
$5.43M
352
$5.42M
353
$5.32M
354
$5.31M
355
$5.28M
356
$5.22M
357
$5.22M
358
$5.21M
359
$5.19M
360
$5.17M
361
$5.13M
362
$5.13M
363
$5.08M
364
$5.07M
365
$4.96M
366
$4.93M
367
$4.85M
368
$4.79M
369
$4.76M
370
$4.72M
371
$4.69M
372
$4.64M
373
$4.63M
374
$4.62M
375
$4.62M