1,029 hedge funds and large institutions have $34.2B invested in Biogen in 2022 Q4 according to their latest regulatory filings, with 159 funds opening new positions, 323 increasing their positions, 362 reducing their positions, and 96 closing their positions.

New
Increased
Maintained
Reduced
Closed

more first-time investments, than exits

New positions opened: | Existing positions closed:

more funds holding in top 10

Funds holding in top 10:

more funds holding

Funds holding:

more ownership

Funds ownership:

4% more capital invested

Capital invested by funds: $32.8B → $34.2B (+$1.39B)

11% less repeat investments, than reductions

Existing positions increased: 323 | Existing positions reduced: 362

14% less call options, than puts

Call options by funds: $1.29B | Put options by funds: $1.51B

Holders
1,029
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
25
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$1.29B
Puts
$1.51B
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
626
$484K
627
$480K
628
$479K
629
$477K
630
$470K
631
$470K
632
$470K
633
$468K
634
$467K
635
$464K
636
$461K
637
$461K
638
$456K
639
$455K
640
$452K
641
$449K
642
$443K
643
$439K
644
$439K
645
$437K
646
$435K
647
$435K
648
$434K
649
$432K
650
$426K