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
401
$636K
402
$634K
403
$628K
404
$628K
405
$628K
406
$623K
407
$620K
408
$619K
409
$603K
410
$594K
411
$592K
412
$588K
413
$582K
414
$578K
415
$575K
416
$568K
417
$563K
418
$559K
419
$557K
420
$552K
421
$552K
422
$546K
423
$545K
424
$544K
425
$542K