1,049 hedge funds and large institutions have $37.1B invested in Biogen in 2020 Q3 according to their latest regulatory filings, with 96 funds opening new positions, 309 increasing their positions, 434 reducing their positions, and 93 closing their positions.

New
Increased
Maintained
Reduced
Closed

more first-time investments, than exits

New positions opened: | Existing positions closed:

more capital invested

Capital invested by funds: $ → $

less ownership

Funds ownership:

less funds holding

Funds holding:

7% less call options, than puts

Call options by funds: $1.42B | Put options by funds: $1.53B

14% less funds holding in top 10

Funds holding in top 10: 2118 (-3)

29% less repeat investments, than reductions

Existing positions increased: 309 | Existing positions reduced: 434

Holders
1,049
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
18
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$1.42B
Puts
$1.53B
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
501
$1.28M
502
$1.27M
503
$1.27M
504
$1.26M
505
$1.25M
506
$1.23M
507
$1.22M
508
$1.21M
509
$1.21M
510
$1.19M
511
$1.18M
512
$1.18M
513
$1.17M
514
$1.16M
515
$1.14M
516
$1.14M
517
$1.14M
518
$1.14M
519
$1.13M
520
$1.13M
521
$1.13M
522
$1.12M
523
$1.12M
524
$1.11M
525
$1.1M