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
526
$283K
527
$283K
528
$283K
529
$283K
530
$282K
531
$277K
532
$276K
533
$276K
534
$276K
535
$275K
536
$275K
537
$274K
538
$273K
539
$273K
540
$271K
541
$267K
542
$263K
543
$262K
544
$258K
545
$257K
546
$254K
547
$254K
548
$254K
549
$254K
550
$253K