803 hedge funds and large institutions have $22.3B invested in Ameren in 2025 Q1 according to their latest regulatory filings, with 136 funds opening new positions, 312 increasing their positions, 211 reducing their positions, and 55 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
803
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
7
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$12.5M
Puts
$11.4M
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
776
$2.01K
777
$1.91K
778
$1.81K
779
$1.71K
780
$1.51K
781
$1.51K
782
$1.51K
783
$1.3K
784
$1.21K
785
$1K
786
$1K
787
$771
788
$703
789
$619
790
$602
791
$602
792
$592
793
$502
794
$502
795
$502
796
$402
797
$402
798
$302
799
$302
800
$201