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Biogen

1,004 hedge funds and large institutions have $29.5B invested in Biogen in 2021 Q4 according to their latest regulatory filings, with 144 funds opening new positions, 293 increasing their positions, 393 reducing their positions, and 153 closing their positions.

New
Increased
Maintained
Reduced
Closed

more ownership

Funds ownership:

less first-time investments, than exits

New positions opened: | Existing positions closed:

less funds holding

Funds holding:

less capital invested

Capital invested by funds: $ → $

25% less repeat investments, than reductions

Existing positions increased: 293 | Existing positions reduced: 393

27% less funds holding in top 10

Funds holding in top 10: 1511 (-4)

28% less call options, than puts

Call options by funds: $1.1B | Put options by funds: $1.52B

Holders
1,004
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
11
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$1.1B
Puts
$1.52B
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
601
$431K
602
$430K
603
$427K
604
$421K
605
$420K
606
$420K
607
$416K
608
$415K
609
$410K
610
$406K
611
$406K
612
$405K
613
$405K
614
$405K
615
$405K
616
$399K
617
$398K
618
$397K
619
$387K
620
$384K
621
$384K
622
$384K
623
$384K
624
$382K
625
$381K