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
651
$303K
652
$303K
653
$302K
654
$302K
655
$300K
656
$300K
657
$299K
658
$299K
659
$299K
660
$297K
661
$294K
662
$294K
663
$293K
664
$292K
665
$291K
666
$290K
667
$287K
668
$283K
669
$283K
670
$283K
671
$283K
672
$282K
673
$282K
674
$278K
675
$275K