958 hedge funds and large institutions have $32B invested in Biogen in 2023 Q3 according to their latest regulatory filings, with 91 funds opening new positions, 331 increasing their positions, 343 reducing their positions, and 118 closing their positions.

New
Increased
Maintained
Reduced
Closed

more call options, than puts

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

less repeat investments, than reductions

Existing positions increased: | Existing positions reduced:

less ownership

Funds ownership:

less funds holding

Funds holding:

11% less capital invested

Capital invested by funds: $36B → $32B (-$3.99B)

22% less funds holding in top 10

Funds holding in top 10: 1814 (-4)

23% less first-time investments, than exits

New positions opened: 91 | Existing positions closed: 118

Holders
958
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
14
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$575M
Puts
$517M
Net Calls
Net Calls Change

Top Buyers

1 +$348M
2 +$132M
3 +$77.1M
4
VanEck Associates
VanEck Associates
New York
+$60.1M
5
Macquarie Group
Macquarie Group
Australia
+$53.4M

Top Sellers

1 -$329M
2 -$191M
3 -$172M
4
Point72 Asset Management
Point72 Asset Management
Connecticut
-$148M
5
D.E. Shaw & Co
D.E. Shaw & Co
New York
-$146M
Name Holding Trade Value Shares
Change
Change in
Stake
351
$1.89M
352
$1.88M
353
$1.85M
354
$1.85M
355
$1.79M
356
$1.76M
357
$1.75M
358
$1.73M
359
$1.7M
360
$1.68M
361
$1.67M
362
$1.67M
363
$1.66M
364
$1.63M
365
$1.62M
366
$1.62M
367
$1.61M
368
$1.58M
369
$1.57M
370
$1.56M
371
$1.56M
372
$1.54M
373
$1.53M
374
$1.52M
375
$1.52M