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
476
$2.09M
477
$2.07M
478
$2.06M
479
$2.04M
480
$2.03M
481
$2.02M
482
$2.01M
483
$2M
484
$1.96M
485
$1.95M
486
$1.93M
487
$1.92M
488
$1.92M
489
$1.91M
490
$1.91M
491
$1.9M
492
$1.9M
493
$1.88M
494
$1.86M
495
$1.85M
496
$1.85M
497
$1.82M
498
$1.81M
499
$1.78M
500
$1.77M