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
TI
276
Tidal Investments
Wisconsin
$1.76M
Janney Montgomery Scott
277
Janney Montgomery Scott
Pennsylvania
$1.72M
Thrivent Financial for Lutherans
278
Thrivent Financial for Lutherans
Minnesota
$1.72M
KRS
279
Kentucky Retirement Systems
Kentucky
$1.69M
SMC
280
Smith, Moore & Co
Missouri
$1.69M
FPAS
281
Focus Partners Advisor Solutions
Missouri
$1.68M
SFGM
282
Stonebridge Financial Group (Missouri)
Missouri
$1.67M
TI
283
Trexquant Investment
Connecticut
$1.66M
CL
284
Choreo LLC
Illinois
$1.65M
P
285
&Partners
Tennessee
$1.65M
TT
286
TI-Trust
Illinois
$1.64M
QCM
287
Qsemble Capital Management
New York
$1.63M
Lido Advisors
288
Lido Advisors
California
$1.61M
EMPI
289
Elo Mutual Pension Insurance
Finland
$1.6M
SCM
290
Sterling Capital Management
North Carolina
$1.6M
Nordea Investment Management
291
Nordea Investment Management
Sweden
$1.59M
HIMCH
292
Hartford Investment Management Co (HIMCO)
Connecticut
$1.58M
RIL
293
Rothschild Investment LLC
Illinois
$1.56M
SOAMC
294
Spirit of America Management Corp
New York
$1.54M
MGWM
295
Marks Group Wealth Management
Minnesota
$1.54M
RBFC
296
Roman Butler Fullerton & Co
Missouri
$1.53M
MT
297
Midwest Trust
Kansas
$1.52M
AIM
298
Aigen Investment Management
New York
$1.52M
UCMOK
299
United Capital Management of KS
Kansas
$1.5M
VWM
300
VCI Wealth Management
Missouri
$1.49M