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
501
$972K
502
$968K
503
$967K
504
$965K
505
$956K
506
$951K
507
$939K
508
$932K
509
$931K
510
$914K
511
$913K
512
$906K
513
$902K
514
$899K
515
$890K
516
$874K
517
$858K
518
$857K
519
$857K
520
$847K
521
$842K
522
$831K
523
$830K
524
$825K
525
$818K