1,013 hedge funds and large institutions have $59B invested in Biogen in 2017 Q3 according to their latest regulatory filings, with 99 funds opening new positions, 380 increasing their positions, 355 reducing their positions, and 68 closing their positions.

New
Increased
Maintained
Reduced
Closed

more funds holding in top 10

Funds holding in top 10:

more first-time investments, than exits

New positions opened: | Existing positions closed:

more capital invested

Capital invested by funds: $ → $

more funds holding

Funds holding:

1.38% more ownership

Funds ownership: 87.76%89.14% (+1.4%)

7% more repeat investments, than reductions

Existing positions increased: 380 | Existing positions reduced: 355

22% less call options, than puts

Call options by funds: $974M | Put options by funds: $1.24B

Holders
1,013
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
38
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$974M
Puts
$1.24B
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
501
$1.99M
502
$1.99M
503
$1.96M
504
$1.95M
505
$1.95M
506
$1.93M
507
$1.89M
508
$1.89M
509
$1.88M
510
$1.87M
511
$1.86M
512
$1.85M
513
$1.84M
514
$1.84M
515
$1.83M
516
$1.82M
517
$1.82M
518
$1.8M
519
$1.78M
520
$1.78M
521
$1.77M
522
$1.76M
523
$1.75M
524
$1.71M
525
$1.7M