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
Allianz Asset Management
101
Allianz Asset Management
Germany
$13.6M
APG Asset Management
102
APG Asset Management
Netherlands
$13.4M
EIP
103
Epoch Investment Partners
New York
$13M
Aberdeen Group
104
Aberdeen Group
United Kingdom
$12.9M
KeyBank National Association
105
KeyBank National Association
Ohio
$12.6M
MGIA
106
Moneta Group Investment Advisors
Missouri
$12.1M
Commonwealth Equity Services
107
Commonwealth Equity Services
Massachusetts
$11.9M
CIBC Asset Management
108
CIBC Asset Management
Ontario, Canada
$11.4M
WorldQuant Millennium Advisors
109
WorldQuant Millennium Advisors
New York
$11.3M
TD Asset Management
110
TD Asset Management
Ontario, Canada
$11.3M
New York State Common Retirement Fund
111
New York State Common Retirement Fund
New York
$10.9M
State of Tennessee, Department of Treasury
112
State of Tennessee, Department of Treasury
Tennessee
$10.5M
GLA
113
Great Lakes Advisors
Illinois
$10.4M
US Bancorp
114
US Bancorp
Minnesota
$10.2M
Envestnet Asset Management
115
Envestnet Asset Management
Illinois
$10.1M
IMRF
116
Illinois Municipal Retirement Fund
Illinois
$10M
American Century Companies
117
American Century Companies
Missouri
$9.9M
Creative Planning
118
Creative Planning
Kansas
$9.66M
Toronto Dominion Bank
119
Toronto Dominion Bank
Ontario, Canada
$9.63M
Ohio Public Employees Retirement System (OPERS)
120
Ohio Public Employees Retirement System (OPERS)
Ohio
$9.2M
Mirae Asset Global ETFs Holdings
121
Mirae Asset Global ETFs Holdings
Hong Kong
$8.95M
AP
122
Advisors Preferred
Maryland
$8.88M
RAM
123
Resona Asset Management
Japan
$8.71M
Nomura Asset Management
124
Nomura Asset Management
Japan
$8.71M
Man Group
125
Man Group
United Kingdom
$8.67M