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
351
$2.56M
352
$2.55M
353
$2.52M
354
$2.46M
355
$2.45M
356
$2.43M
357
$2.41M
358
$2.4M
359
$2.36M
360
$2.36M
361
$2.35M
362
$2.34M
363
$2.34M
364
$2.34M
365
$2.33M
366
$2.33M
367
$2.31M
368
$2.26M
369
$2.26M
370
$2.25M
371
$2.25M
372
$2.24M
373
$2.24M
374
$2.21M
375
$2.19M