1,027 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, 360 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: 360

14% less call options, than puts

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

Holders
1,027
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
326
$3.19M
327
$3.19M
328
$3.18M
329
$3.17M
330
$3.16M
331
$3.15M
332
$3.13M
333
$3.11M
334
$3.11M
335
$2.94M
336
$2.94M
337
$2.92M
338
$2.88M
339
$2.86M
340
$2.85M
341
$2.81M
342
$2.79M
343
$2.79M
344
$2.78M
345
$2.77M
346
$2.65M
347
$2.65M
348
$2.63M
349
$2.62M
350
$2.61M