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
326
$3.21M
327
$3.19M
328
$3.19M
329
$3.18M
330
$3.17M
331
$3.16M
332
$3.15M
333
$3.13M
334
$3.11M
335
$3.11M
336
$2.96M
337
$2.94M
338
$2.94M
339
$2.92M
340
$2.88M
341
$2.86M
342
$2.85M
343
$2.81M
344
$2.79M
345
$2.79M
346
$2.78M
347
$2.77M
348
$2.65M
349
$2.65M
350
$2.63M