1,029 hedge funds and large institutions have $34.2B invested in Biogen in 2022 Q4 according to their latest regulatory filings, with 159 funds opening new positions, 323 increasing their positions, 362 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: $32.8B → $34.2B (+$1.39B)

11% less repeat investments, than reductions

Existing positions increased: 323 | Existing positions reduced: 362

14% less call options, than puts

Call options by funds: $1.29B | Put options by funds: $1.51B

Holders
1,029
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
25
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
476
$1.11M
477
$1.11M
478
$1.11M
479
$1.11M
480
$1.11M
481
$1.11M
482
$1.1M
483
$1.09M
484
$1.09M
485
$1.08M
486
$1.08M
487
$1.08M
488
$1.07M
489
$1.07M
490
$1.06M
491
$1.06M
492
$1.05M
493
$1.04M
494
$1.02M
495
$1.02M
496
$1.01M
497
$1.01M
498
$1.01M
499
$1.01M
500
$999K