994 hedge funds and large institutions have $34.8B invested in Biogen in 2023 Q1 according to their latest regulatory filings, with 87 funds opening new positions, 340 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: 1,026994 (-32)

14% less first-time investments, than exits

New positions opened: 87 | Existing positions closed: 101

21% less funds holding in top 10

Funds holding in top 10: 2419 (-5)

Holders
994
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
$6.95K
952
$6.67K
953
$6.59K
954
$6.39K
955
$6K
956
$5.84K
957
$5K
958
$4.73K
959
$4.73K
960
$4.45K
961
$4.45K
962
$4.13K
963
$3.69K
964
$3.61K
965
$3.06K
966
$3.06K
967
$3K
968
$2.78K
969
$2.78K
970
$2.5K
971
$2.23K
972
$2.23K
973
$2.22K
974
$2.22K
975
$2.22K