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
826
$176K
827
$166K
828
$162K
829
$158K
830
$157K
831
$156K
832
$154K
833
$151K
834
$150K
835
$150K
836
$142K
837
$140K
838
$138K
839
$134K
840
$132K
841
$131K
842
$128K
843
$125K
844
$123K
845
$122K
846
$122K
847
$121K
848
$118K
849
$112K
850
$111K