912 hedge funds and large institutions have $25.1B invested in Biogen in 2024 Q3 according to their latest regulatory filings, with 99 funds opening new positions, 268 increasing their positions, 376 reducing their positions, and 117 closing their positions.

New
Increased
Maintained
Reduced
Closed

more ownership

Funds ownership:

less funds holding

Funds holding:

less first-time investments, than exits

New positions opened: | Existing positions closed:

less capital invested

Capital invested by funds: $ → $

24% less call options, than puts

Call options by funds: $214M | Put options by funds: $282M

29% less repeat investments, than reductions

Existing positions increased: 268 | Existing positions reduced: 376

33% less funds holding in top 10

Funds holding in top 10: 128 (-4)

Holders
912
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
8
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$214M
Puts
$282M
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
251
$3.82M
252
$3.81M
253
$3.78M
254
$3.77M
255
$3.75M
256
$3.74M
257
$3.72M
258
$3.67M
259
$3.61M
260
$3.59M
261
$3.49M
262
$3.49M
263
$3.45M
264
$3.43M
265
$3.32M
266
$3.28M
267
$3.27M
268
$3.2M
269
$3.19M
270
$3.15M
271
$3.14M
272
$3.13M
273
$3.05M
274
$2.89M
275
$2.88M