861 hedge funds and large institutions have $23.1B invested in Ameren in 2025 Q4 according to their latest regulatory filings, with 131 funds opening new positions, 334 increasing their positions, 235 reducing their positions, and 70 closing their positions.

New
Increased
Maintained
Reduced
Closed

more first-time investments, than exits

New positions opened: | Existing positions closed:

more funds holding in top 10

Funds holding in top 10:

more repeat investments, than reductions

Existing positions increased: | Existing positions reduced:

more funds holding

Funds holding:

0.26% more ownership

Funds ownership: 85.26%85.52% (+0.26%)

4% less capital invested

Capital invested by funds: $24.1B → $23.1B (-$955M)

40% less call options, than puts

Call options by funds: $19.8M | Put options by funds: $32.8M

Holders
861
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
$19.8M
Puts
$32.8M
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
American Century Companies
126
American Century Companies
Missouri
$12.2M
Man Group
127
Man Group
United Kingdom
$12.1M
Canada Life
128
Canada Life
Manitoba, Canada
$11.9M
APG Asset Management
129
APG Asset Management
Netherlands
$11.7M
EIP
130
Epoch Investment Partners
New York
$11.6M
KeyBank National Association
131
KeyBank National Association
Ohio
$11.5M
New York State Common Retirement Fund
132
New York State Common Retirement Fund
New York
$11.3M
Mirae Asset Global ETFs Holdings
133
Mirae Asset Global ETFs Holdings
Hong Kong
$10.8M
VanEck Associates
134
VanEck Associates
New York
$10.6M
Toronto Dominion Bank
135
Toronto Dominion Bank
Ontario, Canada
$10.3M
Universal-Beteiligungs- und Servicegesellschaft
136
Universal-Beteiligungs- und Servicegesellschaft
Germany
$10M
GLA
137
Great Lakes Advisors
Illinois
$9.49M
Nomura Asset Management
138
Nomura Asset Management
Japan
$9.45M
US Bancorp
139
US Bancorp
Minnesota
$9.36M
Credit Agricole
140
Credit Agricole
France
$9.34M
MHI
141
Miller Howard Investments
New York
$9.24M
Ohio Public Employees Retirement System (OPERS)
142
Ohio Public Employees Retirement System (OPERS)
Ohio
$8.98M
RC
143
Resolution Capital
Australia
$8.96M
Wealth Enhancement Advisory Services
144
Wealth Enhancement Advisory Services
Minnesota
$8.81M
RAM
145
Resona Asset Management
Japan
$8.54M
KF
146
Krilogy Financial
Missouri
$8.32M
State of New Jersey Common Pension Fund D
147
State of New Jersey Common Pension Fund D
New Jersey
$8.29M
PP
148
Prudential plc
United Kingdom
$8.28M
Jones Financial Companies
149
Jones Financial Companies
Missouri
$8.27M
BEI
150
Benjamin Edwards Inc
Missouri
$8.25M