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Biogen

947 hedge funds and large institutions have $25.8B invested in Biogen in 2022 Q1 according to their latest regulatory filings, with 83 funds opening new positions, 315 increasing their positions, 388 reducing their positions, and 132 closing their positions.

New
Increased
Maintained
Reduced
Closed

more funds holding in top 10

Funds holding in top 10:

less ownership

Funds ownership:

less call options, than puts

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

less funds holding

Funds holding:

12% less capital invested

Capital invested by funds: $29.5B → $25.8B (-$3.68B)

19% less repeat investments, than reductions

Existing positions increased: 315 | Existing positions reduced: 388

37% less first-time investments, than exits

New positions opened: 83 | Existing positions closed: 132

Holders
947
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
12
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$789M
Puts
$798M
Net Calls
Net Calls Change

Top Buyers

1 +$153M
2 +$135M
3 +$128M
4
BlackRock
BlackRock
New York
+$84.1M
5
D.E. Shaw & Co
D.E. Shaw & Co
New York
+$83.6M

Top Sellers

1 -$497M
2 -$109M
3 -$106M
4
Ameriprise
Ameriprise
Minnesota
-$106M
5
Amundi
Amundi
France
-$96.6M
Name Holding Trade Value Shares
Change
Change in
Stake
701
$211K
702
$211K
703
$211K
704
$210K
705
$210K
706
$209K
707
$209K
708
$207K
709
$206K
710
$206K
711
$204K
712
$202K
713
$201K
714
$198K
715
$193K
716
$190K
717
$189K
718
$189K
719
$189K
720
$187K
721
$186K
722
$181K
723
$180K
724
$173K
725
$173K