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
351
$2.62M
352
$2.61M
353
$2.61M
354
$2.56M
355
$2.55M
356
$2.52M
357
$2.46M
358
$2.45M
359
$2.43M
360
$2.41M
361
$2.4M
362
$2.36M
363
$2.36M
364
$2.35M
365
$2.34M
366
$2.34M
367
$2.34M
368
$2.33M
369
$2.33M
370
$2.31M
371
$2.26M
372
$2.26M
373
$2.25M
374
$2.25M
375
$2.24M