820 hedge funds and large institutions have $24.1B invested in Ameren in 2025 Q3 according to their latest regulatory filings, with 97 funds opening new positions, 330 increasing their positions, 228 reducing their positions, and 64 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
820
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
4
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$15.4M
Puts
$4.12M
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
IA
326
IFP Advisors
Florida
$1.09M
IAIM
327
International Assets Investment Management
Florida
$1.09M
MCM
328
MAI Capital Management
Ohio
$1.08M
CBT
329
Central Bank & Trust
Kentucky
$1.08M
Nomura Holdings
330
Nomura Holdings
Japan
$1.07M
RRA
331
Round Rock Advisors
Connecticut
$1.06M
AC
332
Allstate Corporation
Illinois
$1.05M
IWC
333
Integrated Wealth Concepts
Massachusetts
$1.05M
TIAA Trust, National Association
334
TIAA Trust, National Association
North Carolina
$1.04M
NSIM
335
North Star Investment Management
Illinois
$1.03M
GI
336
GAMMA Investing
California
$1.03M
OAM
337
Ostrum Asset Management
France
$1.02M
Walleye Trading
338
Walleye Trading
New York
$1.02M
Truist Financial
339
Truist Financial
North Carolina
$1.01M
EI
340
Ethic Inc
New York
$1M
AV
341
Alamea Verwaltungs
New Jersey
$998K
JCM
342
Jag Capital Management
Missouri
$995K
OAC
343
OMERS Administration Corp
Ontario, Canada
$988K
TMAM
344
Tokio Marine Asset Management
Japan
$987K
EF
345
Empowered Funds
Pennsylvania
$986K
AIM
346
Acropolis Investment Management
Missouri
$984K
EF
347
Empirical Finance
Pennsylvania
$964K
MFG
348
Merit Financial Group
Georgia
$962K
MA
349
Maxele Advisors
Missouri
$959K
PFBT
350
Parkside Financial Bank & Trust
Missouri
$958K