820 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, 330 increasing their positions, 228 reducing their positions, and 64 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
820
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
Lazard Asset Management
276
Lazard Asset Management
New York
$1.58M
Lido Advisors
277
Lido Advisors
California
$1.58M
GP
278
Gallo Partners
New Jersey
$1.58M
PL
279
Plancorp LLC
Missouri
$1.57M
KTC
280
Kentucky Trust Company
Kentucky
$1.53M
RBFC
281
Roman Butler Fullerton & Co
Missouri
$1.52M
GIBU
282
Gulf International Bank (UK)
United Kingdom
$1.51M
SWP
283
Stratos Wealth Partners
Ohio
$1.49M
LSERS
284
Louisiana State Employees Retirement System
Louisiana
$1.48M
PA
285
Profund Advisors
Maryland
$1.48M
IIM
286
INTECH Investment Management
Florida
$1.48M
BCA
287
Bay Colony Advisors
Massachusetts
$1.46M
Royal London Asset Management
288
Royal London Asset Management
United Kingdom
$1.45M
VWM
289
VCI Wealth Management
Missouri
$1.44M
MSRPS
290
Maryland State Retirement & Pension System
Maryland
$1.44M
MFWP
291
Mosaic Family Wealth Partners
Missouri
$1.44M
SOAMC
292
Spirit of America Management Corp
New York
$1.44M
Canada Pension Plan Investment Board
293
Canada Pension Plan Investment Board
Ontario, Canada
$1.43M
OIC
294
Orion Investment Company
Missouri
$1.4M
HA
295
Huntleigh Advisors
Missouri
$1.4M
DIA
296
Dana Investment Advisors
Wisconsin
$1.39M
SAM
297
Securian Asset Management
Minnesota
$1.36M
IMCOOI
298
Investment Management Corp of Ontario (IMCO)
Canada
$1.35M
VA
299
Vident Advisory
Georgia
$1.34M
AS
300
Aware Super
Australia
$1.33M