870 hedge funds and large institutions have $23.1B invested in Ameren in 2025 Q4 according to their latest regulatory filings, with 137 funds opening new positions, 335 increasing their positions, 236 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:

0.44% more ownership

Funds ownership: 85.26%85.69% (+0.44%)

4% less capital invested

Capital invested by funds: $24.1B → $23.1B (-$908M)

40% less call options, than puts

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

Holders
870
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
SLAM
251
Swiss Life Asset Management
$2.4M
Carson Wealth (CWM LLC)
252
Carson Wealth (CWM LLC)
Nebraska
$2.4M
OSAM
253
O'Shaughnessy Asset Management
Connecticut
$2.32M
DWM
254
Dakota Wealth Management
Florida
$2.31M
XT
255
XTX Topco
Cayman Islands
$2.3M
BMSSC
256
B. Metzler seel. Sohn & Co
Germany
$2.29M
M&T Bank
257
M&T Bank
New York
$2.27M
IIM
258
INTECH Investment Management
Florida
$2.23M
Koshinski Asset Management
259
Koshinski Asset Management
Illinois
$2.21M
TRSOTSOK
260
Teachers Retirement System of the State of Kentucky
Kentucky
$2.1M
MSU
261
Mizuho Securities USA
New York
$2.09M
BCI
262
Brinker Capital Investments
Pennsylvania
$2.09M
AI
263
Atria Investments
North Carolina
$2.06M
CAPTRUST Financial Advisors
264
CAPTRUST Financial Advisors
North Carolina
$2.05M
Kovitz Investment Group Partners
265
Kovitz Investment Group Partners
Illinois
$2.05M
SFI
266
Siemens Fonds Invest
Germany
$2.02M
FHWM
267
Fox Hill Wealth Management
Massachusetts
$2.02M
GC
268
Guggenheim Capital
Illinois
$2.01M
EP
269
Edgestream Partners
New Jersey
$1.99M
AC
270
Allstate Corporation
Illinois
$1.98M
HIS
271
Horizon Investment Services
Indiana
$1.91M
KAS
272
Kestra Advisory Services
Texas
$1.9M
DIM
273
DC Investments Management
Virginia
$1.9M
IMCOOI
274
Investment Management Corp of Ontario (IMCO)
Canada
$1.83M
GCM
275
Graham Capital Management
Connecticut
$1.82M