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
726
$279K
727
$278K
728
$277K
729
$277K
730
$277K
731
$277K
732
$272K
733
$271K
734
$266K
735
$266K
736
$265K
737
$264K
738
$263K
739
$263K
740
$263K
741
$263K
742
$262K
743
$262K
744
$262K
745
$262K
746
$260K
747
$259K
748
$259K
749
$258K
750
$257K