996 hedge funds and large institutions have $34.8B invested in Biogen in 2023 Q1 according to their latest regulatory filings, with 88 funds opening new positions, 341 increasing their positions, 362 reducing their positions, and 101 closing their positions.

New
Increased
Maintained
Reduced
Closed

more call options, than puts

Call options by funds: $ | Put options by funds: $

more ownership

Funds ownership:

more capital invested

Capital invested by funds: $ → $

less repeat investments, than reductions

Existing positions increased: | Existing positions reduced:

3% less funds holding

Funds holding: 1,027996 (-31)

13% less first-time investments, than exits

New positions opened: 88 | Existing positions closed: 101

21% less funds holding in top 10

Funds holding in top 10: 2419 (-5)

Holders
996
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
19
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$744M
Puts
$674M
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
951
$7K
952
$6.95K
953
$6.95K
954
$6.67K
955
$6.59K
956
$6.39K
957
$6K
958
$5.84K
959
$5K
960
$4.73K
961
$4.73K
962
$4.45K
963
$4.45K
964
$4.13K
965
$3.69K
966
$3.61K
967
$3.06K
968
$3.06K
969
$3K
970
$2.78K
971
$2.78K
972
$2.5K
973
$2.23K
974
$2.23K
975
$2.22K