811 hedge funds and large institutions have $24.1B invested in Ameren in 2025 Q3 according to their latest regulatory filings, with 97 funds opening new positions, 326 increasing their positions, 228 reducing their positions, and 65 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
811
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
4
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$15.4M
Puts
$4.12M
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
Lido Advisors
276
Lido Advisors
California
$1.58M
GP
277
Gallo Partners
New Jersey
$1.58M
PL
278
Plancorp LLC
Missouri
$1.57M
KTC
279
Kentucky Trust Company
Kentucky
$1.53M
RBFC
280
Roman Butler Fullerton & Co
Missouri
$1.52M
GIBU
281
Gulf International Bank (UK)
United Kingdom
$1.51M
SWP
282
Stratos Wealth Partners
Ohio
$1.49M
LSERS
283
Louisiana State Employees Retirement System
Louisiana
$1.48M
PA
284
Profund Advisors
Maryland
$1.48M
IIM
285
INTECH Investment Management
Florida
$1.48M
BCA
286
Bay Colony Advisors
Massachusetts
$1.46M
Royal London Asset Management
287
Royal London Asset Management
United Kingdom
$1.45M
VWM
288
VCI Wealth Management
Missouri
$1.44M
MSRPS
289
Maryland State Retirement & Pension System
Maryland
$1.44M
MFWP
290
Mosaic Family Wealth Partners
Missouri
$1.44M
SOAMC
291
Spirit of America Management Corp
New York
$1.44M
Canada Pension Plan Investment Board
292
Canada Pension Plan Investment Board
Ontario, Canada
$1.43M
OIC
293
Orion Investment Company
Missouri
$1.4M
HA
294
Huntleigh Advisors
Missouri
$1.4M
DIA
295
Dana Investment Advisors
Wisconsin
$1.39M
SAM
296
Securian Asset Management
Minnesota
$1.36M
IMCOOI
297
Investment Management Corp of Ontario (IMCO)
Canada
$1.35M
VA
298
Vident Advisory
Georgia
$1.34M
AS
299
Aware Super
Australia
$1.33M
SPC
300
Sigma Planning Corp
Michigan
$1.33M