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
551
$515K
552
$514K
553
$514K
554
$502K
555
$501K
556
$498K
557
$497K
558
$497K
559
$496K
560
$496K
561
$496K
562
$496K
563
$495K
564
$494K
565
$491K
566
$490K
567
$482K
568
$473K
569
$472K
570
$472K
571
$465K
572
$460K
573
$460K
574
$456K
575
$452K