805 hedge funds and large institutions have $22.3B invested in Ameren in 2025 Q1 according to their latest regulatory filings, with 135 funds opening new positions, 312 increasing their positions, 213 reducing their positions, and 55 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
805
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
601
$163K
602
$159K
603
$157K
604
$153K
605
$152K
606
$145K
607
$137K
608
$133K
609
$133K
610
$133K
611
$132K
612
$131K
613
$129K
614
$126K
615
$123K
616
$123K
617
$118K
618
$115K
619
$112K
620
$109K
621
$105K
622
$105K
623
$104K
624
$102K
625
$102K