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
1001
$3K
1002
$2.77K
1003
$2.77K
1004
$2.49K
1005
$2.21K
1006
$2.21K
1007
$2K
1008
$2K
1009
$2K
1010
$2K
1011
$1.94K
1012
$1.94K
1013
$1.39K
1014
$1.39K
1015
$1.39K
1016
$1.39K
1017
$1.11K
1018
$1.09K
1019
$1K
1020
$831
1021
$734
1022
$554
1023
$554
1024
$552
1025
$34