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
KAM
301
KEB Asset Management
Illinois
$1.31M
FWCM
302
Ferguson Wellman Capital Management
Oregon
$1.31M
BMSSC
303
B. Metzler seel. Sohn & Co
Germany
$1.31M
NMERB
304
New Mexico Educational Retirement Board
New Mexico
$1.28M
NB
305
Norinchukin Bank
Japan
$1.27M
IA
306
Icon Advisers
Colorado
$1.26M
STA
307
Summit Trail Advisors
New York
$1.26M
I
308
InceptionR
California
$1.22M
WS
309
Wedbush Securities
California
$1.21M
SPWG
310
Syntegra Private Wealth Group
Missouri
$1.18M
EC
311
EntryPoint Capital
New York
$1.18M
BB
312
Busey Bank
Illinois
$1.18M
IA
313
IFP Advisors
Florida
$1.17M
VWA
314
Visionary Wealth Advisors
Illinois
$1.17M
FBFS
315
First Business Financial Services
Wisconsin
$1.16M
HNB
316
Huntington National Bank
Ohio
$1.16M
SW
317
SVB Wealth
Massachusetts
$1.15M
Baird Financial Group
318
Baird Financial Group
Wisconsin
$1.14M
SFA
319
Sequoia Financial Advisors
Ohio
$1.13M
GIM
320
Glenmede Investment Management
Pennsylvania
$1.13M
Healthcare of Ontario Pension Plan (HOOPP) Trust Fund
321
Healthcare of Ontario Pension Plan (HOOPP) Trust Fund
Ontario, Canada
$1.12M
NA
322
NewEdge Advisors
Louisiana
$1.11M
CFSG
323
Clark Financial Services Group
Missouri
$1.1M
JWCA
324
J.W. Cole Advisors
Florida
$1.1M
YIH
325
Y-Intercept (HK)
Hong Kong
$1.1M