987 hedge funds and large institutions have $37.1B invested in Biogen in 2019 Q3 according to their latest regulatory filings, with 77 funds opening new positions, 319 increasing their positions, 416 reducing their positions, and 94 closing their positions.

New
Increased
Maintained
Reduced
Closed

more funds holding in top 10

Funds holding in top 10:

more ownership

Funds ownership:

less capital invested

Capital invested by funds: $ → $

less funds holding

Funds holding:

18% less first-time investments, than exits

New positions opened: 77 | Existing positions closed: 94

23% less call options, than puts

Call options by funds: $1.07B | Put options by funds: $1.38B

23% less repeat investments, than reductions

Existing positions increased: 319 | Existing positions reduced: 416

Holders
987
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
17
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$1.07B
Puts
$1.38B
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
501
$1.16M
502
$1.15M
503
$1.15M
504
$1.14M
505
$1.12M
506
$1.11M
507
$1.08M
508
$1.08M
509
$1.08M
510
$1.08M
511
$1.06M
512
$1.05M
513
$1.05M
514
$1.05M
515
$1.05M
516
$1.05M
517
$1.04M
518
$1.04M
519
$1.04M
520
$1.03M
521
$1.02M
522
$1.01M
523
$1.01M
524
$1.01M
525
$1M