1,026 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, 359 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: 359

14% less call options, than puts

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

Holders
1,026
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
776
$240K
777
$240K
778
$239K
779
$237K
780
$236K
781
$236K
782
$235K
783
$235K
784
$235K
785
$234K
786
$234K
787
$233K
788
$232K
789
$232K
790
$232K
791
$230K
792
$227K
793
$227K
794
$226K
795
$224K
796
$223K
797
$222K
798
$222K
799
$222K
800
$220K