788 hedge funds and large institutions have $22.2B invested in Ameren in 2025 Q2 according to their latest regulatory filings, with 93 funds opening new positions, 338 increasing their positions, 218 reducing their positions, and 89 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
788
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
6
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$15.3M
Puts
$4.51M
Net Calls
Net Calls Change

Top Sellers

1 -$67.1M
2 -$55.1M
3 -$43M
4
ZP
Zimmer Partners
New York
-$33.4M
5
First Trust Advisors
First Trust Advisors
Illinois
-$32.1M
Name Holding Trade Value Shares
Change
Change in
Stake
Envestnet Portfolio Solutions
151
Envestnet Portfolio Solutions
Illinois
$6.23M
RAM
152
RWC Asset Management
United Kingdom
$6.22M
Zurich Cantonal Bank
153
Zurich Cantonal Bank
Switzerland
$6.21M
Stifel Financial
154
Stifel Financial
Missouri
$6.15M
First Manhattan
155
First Manhattan
New York
$6.05M
Natixis Advisors
156
Natixis Advisors
Massachusetts
$5.95M
Neuberger Berman Group
157
Neuberger Berman Group
New York
$5.86M
II
158
IFM Investors
Australia
$5.8M
PNC Financial Services Group
159
PNC Financial Services Group
Pennsylvania
$5.6M
Retirement Systems of Alabama
160
Retirement Systems of Alabama
Alabama
$5.57M
CSS
161
Cubist Systematic Strategies
Connecticut
$5.5M
QCM
162
QRG Capital Management
Illinois
$5.36M
NIG
163
NFJ Investment Group
Texas
$5.33M
Public Sector Pension Investment Board (PSP Investments)
164
Public Sector Pension Investment Board (PSP Investments)
Quebec, Canada
$5.33M
Lazard Asset Management
165
Lazard Asset Management
New York
$5.26M
JF
166
Jump Financial
Illinois
$5.19M
AB
167
Amalgamated Bank
New York
$5.18M
AIM
168
Ausbil Investment Management
Australia
$5.16M
Nisa Investment Advisors
169
Nisa Investment Advisors
Missouri
$5.14M
BAM
170
Belpointe Asset Management
Nevada
$5.14M
Mirae Asset Global ETFs Holdings
171
Mirae Asset Global ETFs Holdings
Hong Kong
$5.09M
Daiwa Securities Group
172
Daiwa Securities Group
Japan
$5M
Mariner
173
Mariner
Kansas
$4.89M
FAF
174
Första AP-fonden
Sweden
$4.83M
CIMLRA
175
CBRE Investment Management Listed Real Assets
Pennsylvania
$4.79M