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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
251
$3.24M
252
$3.23M
253
$3.19M
254
$3.17M
255
$3.14M
256
$3.1M
257
$3.08M
258
$3.02M
259
$3M
260
$2.98M
261
$2.97M
262
$2.94M
263
$2.93M
264
$2.91M
265
$2.9M
266
$2.9M
267
$2.86M
268
$2.81M
269
$2.81M
270
$2.8M
271
$2.76M
272
$2.73M
273
$2.72M
274
$2.7M
275
$2.68M