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
451
$451K
452
$447K
453
$446K
454
$445K
455
$444K
456
$443K
457
$442K
458
$441K
459
$440K
460
$430K
461
$428K
462
$417K
463
$415K
464
$414K
465
$414K
466
$413K
467
$411K
468
$410K
469
$402K
470
$394K
471
$393K
472
$389K
473
$388K
474
$387K
475
$379K