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Biogen

870 hedge funds and large institutions have $20.2B invested in Biogen in 2024 Q4 according to their latest regulatory filings, with 130 funds opening new positions, 298 increasing their positions, 321 reducing their positions, and 158 closing their positions.

New
Increased
Maintained
Reduced
Closed

more ownership

Funds ownership:

less repeat investments, than reductions

Existing positions increased: | Existing positions reduced:

less funds holding

Funds holding:

less call options, than puts

Call options by funds: $ | Put options by funds: $

18% less first-time investments, than exits

New positions opened: 130 | Existing positions closed: 158

19% less capital invested

Capital invested by funds: $25.1B → $20.2B (-$4.83B)

38% less funds holding in top 10

Funds holding in top 10: 85 (-3)

Holders
870
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
5
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$310M
Puts
$356M
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
226
$4.3M
227
$4.29M
228
$4.26M
229
$4.14M
230
$4.02M
231
$4.01M
232
$4M
233
$4M
234
$3.98M
235
$3.92M
236
$3.85M
237
$3.75M
238
$3.69M
239
$3.67M
240
$3.65M
241
$3.57M
242
$3.52M
243
$3.52M
244
$3.51M
245
$3.48M
246
$3.43M
247
$3.39M
248
$3.36M
249
$3.31M
250
$3.31M