781 hedge funds and large institutions have $22.1B invested in Ameren in 2025 Q2 according to their latest regulatory filings, with 93 funds opening new positions, 336 increasing their positions, 215 reducing their positions, and 89 closing their positions.

Holders
781
Holders Change
-16
Holders Change %
-2.01%
% of All Funds
10.49%
Holding in Top 10
6
Holding in Top 10 Change
-1
Holding in Top 10 Change %
-14.29%
% of All Funds
0.08%
New
93
Increased
336
Reduced
215
Closed
89
Calls
$12.9M
Puts
$3.38M
Net Calls
+$9.49M
Net Calls Change
+$8.31M
Name Market Value Shares Shares
Change
Shares
Change %
GF
51
Gabelli Funds
New York
$46.9M 488,050 -6,800 -1%
RhumbLine Advisers
52
RhumbLine Advisers
Massachusetts
$44.9M 467,532 +6,209 +1%
YCM
53
Yaupon Capital Management
New York
$44.2M 459,930 +203,628 +79%
WHRC
54
W.H. Reaves & Co
New Jersey
$43.6M 453,820 +453,820 New
HSBC Holdings
55
HSBC Holdings
United Kingdom
$42.8M 446,188 +12,884 +3%
SEI Investments
56
SEI Investments
Pennsylvania
$35.5M 369,792 +73,425 +25%
Royal Bank of Canada
57
Royal Bank of Canada
Ontario, Canada
$34.3M 356,713 -55,624 -13%
Hudson Bay Capital Management
58
Hudson Bay Capital Management
Connecticut
$33.9M 353,359 +17,149 +5%
GIA
59
Gateway Investment Advisers
Ohio
$33.3M 347,034 -39,998 -10%
National Pension Service
60
National Pension Service
South Korea
$32M 332,890 +2,914 +0.9%
Bank of Montreal
61
Bank of Montreal
Ontario, Canada
$31.2M 324,841 -118,368 -27%
Canada Pension Plan Investment Board
62
Canada Pension Plan Investment Board
Ontario, Canada
$31.1M 324,195 +51,275 +19%
California State Teachers Retirement System (CalSTRS)
63
California State Teachers Retirement System (CalSTRS)
California
$31.1M 323,834 +8,445 +3%
Principal Financial Group
64
Principal Financial Group
Iowa
$30.8M 320,760 -8,625 -3%
Amundi
65
Amundi
France
$30.5M 319,852 +26,139 +9%
Citigroup
66
Citigroup
New York
$28.5M 296,763 -47,147 -14%
Victory Capital Management
67
Victory Capital Management
Texas
$28.4M 295,850 +100,930 +52%
CCM
68
Chilton Capital Management
Texas
$28.4M 295,398 +295,398 New
EIP
69
Energy Income Partners
Connecticut
$27.8M 289,865 +80,511 +38%
Voloridge Investment Management
70
Voloridge Investment Management
Florida
$26M 270,213 +270,213 New
AQR Capital Management
71
AQR Capital Management
Connecticut
$25.8M 270,093 +93,291 +53%
Russell Investments Group
72
Russell Investments Group
United Kingdom
$25.6M 267,046 +49,888 +23%
State Board of Administration of Florida Retirement System
73
State Board of Administration of Florida Retirement System
Florida
$24.5M 255,152 +2,750 +1%
Millennium Management
74
Millennium Management
New York
$24.5M 254,964 -265,328 -51%
New York State Teachers Retirement System (NYSTRS)
75
New York State Teachers Retirement System (NYSTRS)
New York
$23.3M 242,986 +147 +0.1%