802 hedge funds and large institutions have $24B invested in Ameren in 2025 Q3 according to their latest regulatory filings, with 99 funds opening new positions, 319 increasing their positions, 225 reducing their positions, and 63 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
802
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
AC
326
Allstate Corporation
Illinois
$1.05M
IWC
327
Integrated Wealth Concepts
Massachusetts
$1.05M
TIAA Trust, National Association
328
TIAA Trust, National Association
North Carolina
$1.04M
NSIM
329
North Star Investment Management
Illinois
$1.03M
GI
330
GAMMA Investing
California
$1.03M
OAM
331
Ostrum Asset Management
France
$1.02M
Walleye Trading
332
Walleye Trading
New York
$1.02M
Truist Financial
333
Truist Financial
North Carolina
$1.01M
EI
334
Ethic Inc
New York
$1M
AV
335
Alamea Verwaltungs
New Jersey
$998K
JCM
336
Jag Capital Management
Missouri
$995K
OAC
337
OMERS Administration Corp
Ontario, Canada
$988K
TMAM
338
Tokio Marine Asset Management
Japan
$987K
EF
339
Empowered Funds
Pennsylvania
$986K
AIM
340
Acropolis Investment Management
Missouri
$984K
EF
341
Empirical Finance
Pennsylvania
$964K
MFG
342
Merit Financial Group
Georgia
$962K
MA
343
Maxele Advisors
Missouri
$959K
PFBT
344
Parkside Financial Bank & Trust
Missouri
$958K
MGP
345
Metis Global Partners
California
$952K
ETC
346
Exchange Traded Concepts
Oklahoma
$947K
SC
347
Savant Capital
Illinois
$938K
HI
348
Horizon Investments
North Carolina
$937K
PP
349
Prudential plc
United Kingdom
$935K
PAM
350
Panagora Asset Management
Massachusetts
$933K