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
Asset Management One
101
Asset Management One
Japan
$13.8M
Chevy Chase Trust
102
Chevy Chase Trust
Maryland
$13.7M
Aberdeen Group
103
Aberdeen Group
United Kingdom
$13.5M
EP
104
Edgestream Partners
New Jersey
$13.3M
CIBC Asset Management
105
CIBC Asset Management
Ontario, Canada
$13.3M
Allianz Asset Management
106
Allianz Asset Management
Germany
$13M
American Century Companies
107
American Century Companies
Missouri
$12.5M
GCM
108
Greenland Capital Management
New York
$12.5M
Tudor Investment Corp
109
Tudor Investment Corp
Connecticut
$12.2M
Treasurer of the State of North Carolina
110
Treasurer of the State of North Carolina
North Carolina
$12.1M
EIP
111
Epoch Investment Partners
New York
$11.9M
KeyBank National Association
112
KeyBank National Association
Ohio
$11.6M
Toronto Dominion Bank
113
Toronto Dominion Bank
Ontario, Canada
$11.4M
State of Tennessee, Department of Treasury
114
State of Tennessee, Department of Treasury
Tennessee
$11.3M
Envestnet Asset Management
115
Envestnet Asset Management
Illinois
$10.9M
New York State Common Retirement Fund
116
New York State Common Retirement Fund
New York
$10.6M
US Bancorp
117
US Bancorp
Minnesota
$9.88M
Commonwealth Equity Services
118
Commonwealth Equity Services
Massachusetts
$9.82M
IMRF
119
Illinois Municipal Retirement Fund
Illinois
$9.66M
GLA
120
Great Lakes Advisors
Illinois
$9.63M
GCM
121
Ghisallo Capital Management
Massachusetts
$9.6M
BGM
122
Burkehill Global Management
New York
$9.6M
QCM
123
Quantinno Capital Management
New York
$9.5M
WorldQuant Millennium Advisors
124
WorldQuant Millennium Advisors
New York
$9.37M
1832 Asset Management
125
1832 Asset Management
Ontario, Canada
$9.22M