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
Envestnet Portfolio Solutions
176
Envestnet Portfolio Solutions
Illinois
$4.73M
MSV
177
MN Services Vermogensbeheer
Netherlands
$4.61M
SPI
178
Strategic Planning Inc
Ohio
$4.54M
Daiwa Securities Group
179
Daiwa Securities Group
Japan
$4.49M
Assenagon Asset Management
180
Assenagon Asset Management
Luxembourg
$4.46M
Mariner
181
Mariner
Kansas
$4.44M
FAF
182
Första AP-fonden
Sweden
$4.43M
URS
183
Utah Retirement Systems
Utah
$4.42M
DIA
184
Dean Investment Associates
Ohio
$4.38M
ProShare Advisors
185
ProShare Advisors
Maryland
$4.26M
Corient Private Wealth
186
Corient Private Wealth
Florida
$4.2M
YCM
187
Yousif Capital Management
Michigan
$4.2M
DekaBank Deutsche Girozentrale
188
DekaBank Deutsche Girozentrale
Germany
$4.11M
HAI
189
Hennessy Advisors Inc
California
$4.09M
RC
190
Resolution Capital
Australia
$4.08M
OCA
191
Otter Creek Advisors
Florida
$3.99M
Teacher Retirement System of Texas
192
Teacher Retirement System of Texas
Texas
$3.92M
PFSRSONJ
193
Police & Firemen's Retirement System of New Jersey
New Jersey
$3.87M
DADC
194
D.A. Davidson & Co
Montana
$3.8M
SOADOR
195
State of Alaska Department of Revenue
Alaska
$3.75M
Lazard Asset Management
196
Lazard Asset Management
New York
$3.73M
SMDAM
197
Sumitomo Mitsui DS Asset Management
Japan
$3.67M
HighTower Advisors
198
HighTower Advisors
Illinois
$3.66M
X
199
Xponance
Pennsylvania
$3.64M
NYLIM
200
New York Life Investment Management
New York
$3.61M