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
TA
401
Tectonic Advisors
Texas
$741K
OAM
402
Ostrum Asset Management
France
$736K
SAM
403
Securian Asset Management
Minnesota
$733K
MSA
404
MUFG Securities Americas
New York
$728K
RFC
405
Regions Financial Corp
Alabama
$721K
AWA
406
Aaron Wealth Advisors
Illinois
$717K
QCG
407
Quadrant Capital Group
Ohio
$714K
SOAM
408
SBI Okasan Asset Management
Japan
$712K
KRSITF
409
Kentucky Retirement Systems Insurance Trust Fund
Kentucky
$709K
AssetMark Inc
410
AssetMark Inc
California
$703K
DA
411
Detalus Advisors
Missouri
$697K
MYAM
412
Meiji Yasuda Asset Management
Japan
$695K
OFG
413
Oxford Financial Group
Indiana
$676K
KWM
414
Kingsview Wealth Management
Oregon
$666K
CWP
415
Clark Wealth Partners
Illinois
$660K
MWM
416
Modern Wealth Management
Kansas
$660K
RBWA
417
RFG - Bristol Wealth Advisors
Massachusetts
$659K
SF
418
Summit Financial
New Jersey
$649K
SO
419
STRS Ohio
Ohio
$645K
WAG
420
Wheelhouse Advisory Group
Missouri
$629K
CPCPP
421
Canada Post Corporation Pension Plan
Canada
$629K
PAG
422
Private Advisor Group
New Jersey
$627K
PA
423
Procyon Advisors
Connecticut
$626K
CA
424
Clearstead Advisors
Ohio
$623K
KPWS
425
Kestra Private Wealth Services
Texas
$621K