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
501
$316K
502
$310K
503
$308K
504
$308K
505
$303K
506
$302K
507
$301K
508
$301K
509
$301K
510
$301K
511
$300K
512
$299K
513
$299K
514
$295K
515
$293K
516
$292K
517
$292K
518
$291K
519
$289K
520
$288K
521
$288K
522
$287K
523
$284K
524
$284K
525
$283K