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
401
$1.79M
402
$1.79M
403
$1.77M
404
$1.75M
405
$1.74M
406
$1.74M
407
$1.74M
408
$1.73M
409
$1.71M
410
$1.69M
411
$1.68M
412
$1.67M
413
$1.67M
414
$1.64M
415
$1.64M
416
$1.62M
417
$1.6M
418
$1.6M
419
$1.58M
420
$1.57M
421
$1.52M
422
$1.52M
423
$1.51M
424
$1.5M
425
$1.5M