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
426
$3.09M
427
$3.08M
428
$3.05M
429
$3.03M
430
$3M
431
$2.98M
432
$2.97M
433
$2.94M
434
$2.87M
435
$2.85M
436
$2.85M
437
$2.81M
438
$2.77M
439
$2.77M
440
$2.75M
441
$2.71M
442
$2.71M
443
$2.66M
444
$2.64M
445
$2.64M
446
$2.62M
447
$2.62M
448
$2.6M
449
$2.59M
450
$2.59M