798 hedge funds and large institutions have $22.3B invested in Ameren in 2025 Q1 according to their latest regulatory filings, with 136 funds opening new positions, 311 increasing their positions, 209 reducing their positions, and 55 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
798
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
GCM
151
Greenland Capital Management
New York
$6.35M
NIG
152
NFJ Investment Group
Texas
$6.34M
BAMF
153
BI Asset Management Fondsmaeglerselskab
Denmark
$6.25M
CNB
154
Czech National Bank
Czech Republic
$6.22M
CF
155
Corebridge Financial
Texas
$6.22M
II
156
IFM Investors
Australia
$6.22M
Neuberger Berman Group
157
Neuberger Berman Group
New York
$6.09M
Natixis Advisors
158
Natixis Advisors
Massachusetts
$6.05M
Citadel Advisors
159
Citadel Advisors
Florida
$5.86M
Retirement Systems of Alabama
160
Retirement Systems of Alabama
Alabama
$5.82M
Cambridge Investment Research Advisors
161
Cambridge Investment Research Advisors
Iowa
$5.68M
Nisa Investment Advisors
162
Nisa Investment Advisors
Missouri
$5.58M
PNC Financial Services Group
163
PNC Financial Services Group
Pennsylvania
$5.55M
AB
164
Amalgamated Bank
New York
$5.4M
AIM
165
Ausbil Investment Management
Australia
$5.39M
DS
166
DRW Securities
Illinois
$5.34M
BAM
167
Belpointe Asset Management
Nevada
$5.33M
QCM
168
QRG Capital Management
Illinois
$5.3M
Stifel Financial
169
Stifel Financial
Missouri
$5.22M
FCBT
170
First Citizens Bank & Trust
North Carolina
$5.18M
BPAMU
171
BTG Pactual Asset Management US
New York
$5.16M
BCIM
172
British Columbia Investment Management
British Columbia, Canada
$5.13M
Susquehanna International Group
173
Susquehanna International Group
Pennsylvania
$5.09M
TC
174
TwinBeech Capital
New York
$5.04M
Jones Financial Companies
175
Jones Financial Companies
Missouri
$5.01M