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923 hedge funds and large institutions have $25.7B invested in Ameren in 2026 Q1 according to their latest regulatory filings, with 125 funds opening new positions, 372 increasing their positions, 233 reducing their positions, and 61 closing their positions.

New
Increased
Maintained
Reduced
Closed

105% more first-time investments, than exits

New positions opened: 125 | Existing positions closed: 61

60% more repeat investments, than reductions

Existing positions increased: 372 | Existing positions reduced: 233

17% more funds holding in top 10

Funds holding in top 10: 67 (+1)

11% more capital invested

Capital invested by funds: $23.2B → $25.7B (+$2.53B)

5% more funds holding

Funds holding: 879923 (+44)

1.07% less ownership

Funds ownership: 85.71%84.64% (-1.1%)

33% less call options, than puts

Call options by funds: $12.8M | Put options by funds: $19.1M

Holders
923
Holders Change
+44
Holders Change %
+5.01%
% of All Funds
11.37%
Holding in Top 10
7
Holding in Top 10 Change
+1
Holding in Top 10 Change %
+16.67%
% of All Funds
0.09%
New
125
Increased
372
Reduced
233
Closed
61
Calls
$12.8M
Puts
$19.1M
Net Calls
-$6.28M
Net Calls Change
+$6.75M
Name Holding Trade Value Shares
Change
Change in
Stake
Nomura Asset Management
151
Nomura Asset Management
Japan
$10.5M +$56K +524 +0.6%
US Bancorp
152
US Bancorp
Minnesota
$10.3M +$5.45K +51 +0.1%
Toronto Dominion Bank
153
Toronto Dominion Bank
Ontario, Canada
$10.3M -$971K -9,085 -9%
Tudor Investment Corp
154
Tudor Investment Corp
Connecticut
$10.2M -$10.5M -98,177 -51%
Wealthfront Advisers
155
Wealthfront Advisers
California
$10M +$2.15M +20,138 +28%
II
156
IFM Investors
Australia
$9.95M +$3.3M +30,860 +52%
Ohio Public Employees Retirement System (OPERS)
157
Ohio Public Employees Retirement System (OPERS)
Ohio
$9.73M -$149K -1,391 -2%
RAM
158
Resona Asset Management
Japan
$9.64M +$245K +2,296 +3%
Squarepoint
159
Squarepoint
New York
$9.63M -$43.3M -404,786 -82%
Ensign Peak Advisors
160
Ensign Peak Advisors
Utah
$9.49M +$1.53M +14,298 +20%
American Century Companies
161
American Century Companies
Missouri
$9.36M -$3.96M -37,073 -30%
Mariner
162
Mariner
Kansas
$9.25M +$2.5M +23,383 +38%
RC
163
Resolution Capital
Australia
$9.14M -$706K -6,607 -7%
State of New Jersey Common Pension Fund D
164
State of New Jersey Common Pension Fund D
New Jersey
$9.13M
Credit Agricole
165
Credit Agricole
France
$9M -$1.25M -11,673 -12%
AI
166
Atom Investors
Texas
$8.89M +$5.99M +56,053 +226%
BEI
167
Benjamin Edwards Inc
Missouri
$8.76M -$313K -2,927 -4%
BAMF
168
BI Asset Management Fondsmaeglerselskab
Denmark
$8.73M +$4.96M +46,419 +141%
KF
169
Krilogy Financial
Missouri
$8.71M -$319K -2,982 -4%
Public Sector Pension Investment Board (PSP Investments)
170
Public Sector Pension Investment Board (PSP Investments)
Quebec, Canada
$8.64M +$1.01M +9,466 +14%
CNB
171
Czech National Bank
Czech Republic
$8.27M +$424K +3,961 +6%
ASRS
172
Arizona State Retirement System
Arizona
$8.08M -$71.1K -665 -0.9%
VI
173
Vestcor Inc
New Brunswick, Canada
$7.97M +$4.97M +46,449 +178%
Fifth Third Bancorp
174
Fifth Third Bancorp
Ohio
$7.97M +$7.13M +66,657 +1,147%
SOMRS
175
State of Michigan Retirement System
Michigan
$7.93M +$150K +1,400 +2%