861 hedge funds and large institutions have $23.1B invested in Ameren in 2025 Q4 according to their latest regulatory filings, with 131 funds opening new positions, 334 increasing their positions, 235 reducing their positions, and 70 closing their positions.

New
Increased
Maintained
Reduced
Closed

more first-time investments, than exits

New positions opened: | Existing positions closed:

more funds holding in top 10

Funds holding in top 10:

more repeat investments, than reductions

Existing positions increased: | Existing positions reduced:

more funds holding

Funds holding:

0.26% more ownership

Funds ownership: 85.26%85.52% (+0.26%)

4% less capital invested

Capital invested by funds: $24.1B → $23.1B (-$955M)

40% less call options, than puts

Call options by funds: $19.8M | Put options by funds: $32.8M

Holders
861
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
6
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$19.8M
Puts
$32.8M
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
Carson Wealth (CWM LLC)
251
Carson Wealth (CWM LLC)
Nebraska
$2.4M
OSAM
252
O'Shaughnessy Asset Management
Connecticut
$2.32M
DWM
253
Dakota Wealth Management
Florida
$2.31M
XT
254
XTX Topco
Cayman Islands
$2.3M
BMSSC
255
B. Metzler seel. Sohn & Co
Germany
$2.29M
M&T Bank
256
M&T Bank
New York
$2.27M
IIM
257
INTECH Investment Management
Florida
$2.23M
Koshinski Asset Management
258
Koshinski Asset Management
Illinois
$2.21M
TRSOTSOK
259
Teachers Retirement System of the State of Kentucky
Kentucky
$2.1M
MSU
260
Mizuho Securities USA
New York
$2.09M
BCI
261
Brinker Capital Investments
Pennsylvania
$2.09M
AI
262
Atria Investments
North Carolina
$2.06M
CAPTRUST Financial Advisors
263
CAPTRUST Financial Advisors
North Carolina
$2.05M
Kovitz Investment Group Partners
264
Kovitz Investment Group Partners
Illinois
$2.05M
SFI
265
Siemens Fonds Invest
Germany
$2.02M
FHWM
266
Fox Hill Wealth Management
Massachusetts
$2.02M
GC
267
Guggenheim Capital
Illinois
$2.01M
EP
268
Edgestream Partners
New Jersey
$1.99M
AC
269
Allstate Corporation
Illinois
$1.98M
HIS
270
Horizon Investment Services
Indiana
$1.91M
KAS
271
Kestra Advisory Services
Texas
$1.9M
DIM
272
DC Investments Management
Virginia
$1.9M
IMCOOI
273
Investment Management Corp of Ontario (IMCO)
Canada
$1.83M
GCM
274
Graham Capital Management
Connecticut
$1.82M
TI
275
Tidal Investments
Wisconsin
$1.76M