807 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
807
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
$320K
502
$316K
503
$310K
504
$308K
505
$308K
506
$303K
507
$302K
508
$301K
509
$301K
510
$301K
511
$301K
512
$300K
513
$299K
514
$299K
515
$295K
516
$293K
517
$292K
518
$292K
519
$291K
520
$289K
521
$288K
522
$288K
523
$287K
524
$284K
525
$284K