870 hedge funds and large institutions have $23.1B invested in Ameren in 2025 Q4 according to their latest regulatory filings, with 137 funds opening new positions, 335 increasing their positions, 236 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:

0.44% more ownership

Funds ownership: 85.26%85.69% (+0.44%)

4% less capital invested

Capital invested by funds: $24.1B → $23.1B (-$908M)

40% less call options, than puts

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

Holders
870
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
BA
126
Bridgewater Associates
Connecticut
$12.4M
American Century Companies
127
American Century Companies
Missouri
$12.2M
Man Group
128
Man Group
United Kingdom
$12.1M
Canada Life
129
Canada Life
Manitoba, Canada
$11.9M
APG Asset Management
130
APG Asset Management
Netherlands
$11.7M
EIP
131
Epoch Investment Partners
New York
$11.6M
KeyBank National Association
132
KeyBank National Association
Ohio
$11.5M
New York State Common Retirement Fund
133
New York State Common Retirement Fund
New York
$11.3M
Mirae Asset Global ETFs Holdings
134
Mirae Asset Global ETFs Holdings
Hong Kong
$10.8M
VanEck Associates
135
VanEck Associates
New York
$10.6M
Toronto Dominion Bank
136
Toronto Dominion Bank
Ontario, Canada
$10.3M
Universal-Beteiligungs- und Servicegesellschaft
137
Universal-Beteiligungs- und Servicegesellschaft
Germany
$10M
Corient Private Wealth
138
Corient Private Wealth
Florida
$9.66M
GLA
139
Great Lakes Advisors
Illinois
$9.49M
Nomura Asset Management
140
Nomura Asset Management
Japan
$9.45M
US Bancorp
141
US Bancorp
Minnesota
$9.36M
Credit Agricole
142
Credit Agricole
France
$9.34M
MHI
143
Miller Howard Investments
New York
$9.24M
Ohio Public Employees Retirement System (OPERS)
144
Ohio Public Employees Retirement System (OPERS)
Ohio
$8.98M
RC
145
Resolution Capital
Australia
$8.96M
Wealth Enhancement Advisory Services
146
Wealth Enhancement Advisory Services
Minnesota
$8.81M
RAM
147
Resona Asset Management
Japan
$8.54M
KF
148
Krilogy Financial
Missouri
$8.32M
State of New Jersey Common Pension Fund D
149
State of New Jersey Common Pension Fund D
New Jersey
$8.29M
PP
150
Prudential plc
United Kingdom
$8.28M