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