960 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, 344 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
960
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
401
$1.29M
402
$1.27M
403
$1.27M
404
$1.25M
405
$1.2M
406
$1.2M
407
$1.19M
408
$1.19M
409
$1.18M
410
$1.18M
411
$1.17M
412
$1.17M
413
$1.17M
414
$1.16M
415
$1.14M
416
$1.13M
417
$1.13M
418
$1.09M
419
$1.08M
420
$1.05M
421
$1.04M
422
$1.03M
423
$1.03M
424
$1.03M
425
$1.03M