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
Janney Montgomery Scott
276
Janney Montgomery Scott
Pennsylvania
$1.72M
Thrivent Financial for Lutherans
277
Thrivent Financial for Lutherans
Minnesota
$1.72M
KRS
278
Kentucky Retirement Systems
Kentucky
$1.69M
SMC
279
Smith, Moore & Co
Missouri
$1.69M
FPAS
280
Focus Partners Advisor Solutions
Missouri
$1.68M
SFGM
281
Stonebridge Financial Group (Missouri)
Missouri
$1.67M
TI
282
Trexquant Investment
Connecticut
$1.66M
CL
283
Choreo LLC
Illinois
$1.65M
P
284
&Partners
Tennessee
$1.65M
TT
285
TI-Trust
Illinois
$1.64M
QCM
286
Qsemble Capital Management
New York
$1.63M
Lido Advisors
287
Lido Advisors
California
$1.61M
EMPI
288
Elo Mutual Pension Insurance
Finland
$1.6M
SCM
289
Sterling Capital Management
North Carolina
$1.6M
Nordea Investment Management
290
Nordea Investment Management
Sweden
$1.59M
HIMCH
291
Hartford Investment Management Co (HIMCO)
Connecticut
$1.58M
RIL
292
Rothschild Investment LLC
Illinois
$1.56M
SOAMC
293
Spirit of America Management Corp
New York
$1.54M
MGWM
294
Marks Group Wealth Management
Minnesota
$1.54M
RBFC
295
Roman Butler Fullerton & Co
Missouri
$1.53M
MT
296
Midwest Trust
Kansas
$1.52M
AIM
297
Aigen Investment Management
New York
$1.52M
UCMOK
298
United Capital Management of KS
Kansas
$1.5M
VWM
299
VCI Wealth Management
Missouri
$1.49M
KTC
300
Kentucky Trust Company
Kentucky
$1.47M