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
351
$1.38M
352
$1.37M
353
$1.37M
354
$1.35M
355
$1.33M
356
$1.33M
357
$1.31M
358
$1.3M
359
$1.3M
360
$1.3M
361
$1.29M
362
$1.29M
363
$1.26M
364
$1.26M
365
$1.23M
366
$1.23M
367
$1.22M
368
$1.2M
369
$1.19M
370
$1.18M
371
$1.18M
372
$1.18M
373
$1.17M
374
$1.17M
375
$1.16M