1,027 hedge funds and large institutions have $34.1B invested in Biogen in 2022 Q4 according to their latest regulatory filings, with 159 funds opening new positions, 323 increasing their positions, 360 reducing their positions, and 96 closing their positions.

New
Increased
Maintained
Reduced
Closed

more first-time investments, than exits

New positions opened: | Existing positions closed:

more funds holding in top 10

Funds holding in top 10:

more funds holding

Funds holding:

more ownership

Funds ownership:

4% more capital invested

Capital invested by funds: $32.7B → $34.1B (+$1.4B)

10% less repeat investments, than reductions

Existing positions increased: 323 | Existing positions reduced: 360

14% less call options, than puts

Call options by funds: $1.29B | Put options by funds: $1.51B

Holders
1,027
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
24
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$1.29B
Puts
$1.51B
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
701
$314K
702
$314K
703
$313K
704
$308K
705
$308K
706
$307K
707
$305K
708
$305K
709
$305K
710
$304K
711
$304K
712
$302K
713
$301K
714
$301K
715
$298K
716
$292K
717
$290K
718
$288K
719
$287K
720
$287K
721
$284K
722
$284K
723
$281K
724
$281K
725
$281K