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
451
$1.28M
452
$1.27M
453
$1.27M
454
$1.25M
455
$1.23M
456
$1.23M
457
$1.22M
458
$1.22M
459
$1.22M
460
$1.21M
461
$1.21M
462
$1.21M
463
$1.18M
464
$1.18M
465
$1.16M
466
$1.16M
467
$1.13M
468
$1.13M
469
$1.13M
470
$1.12M
471
$1.12M
472
$1.12M
473
$1.11M
474
$1.11M
475
$1.11M