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
651
$465K
652
$462K
653
$462K
654
$456K
655
$454K
656
$454K
657
$454K
658
$447K
659
$445K
660
$444K
661
$441K
662
$440K
663
$439K
664
$438K
665
$438K
666
$430K
667
$426K
668
$426K
669
$426K
670
$425K
671
$423K
672
$411K
673
$408K
674
$407K
675
$405K