876 hedge funds and large institutions have $23.2B invested in Ameren in 2025 Q4 according to their latest regulatory filings, with 139 funds opening new positions, 336 increasing their positions, 238 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%85.7% (+0.44%)

4% less capital invested

Capital invested by funds: $24.1B → $23.2B (-$906M)

40% less call options, than puts

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

Holders
876
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
NB
326
Norinchukin Bank
Japan
$1.21M
IA
327
Icon Advisers
Colorado
$1.21M
PL
328
Plancorp LLC
Missouri
$1.21M
STA
329
Summit Trail Advisors
New York
$1.2M
PAS
330
Park Avenue Securities
New York
$1.19M
PS
331
Principal Securities
Iowa
$1.19M
AIM
332
Acropolis Investment Management
Missouri
$1.18M
AA
333
ALPS Advisors
Colorado
$1.17M
WS
334
Wedbush Securities
California
$1.16M
IAIM
335
International Assets Investment Management
Florida
$1.13M
HNB
336
Huntington National Bank
Ohio
$1.13M
VWA
337
Visionary Wealth Advisors
Illinois
$1.12M
PI
338
PineBridge Investments
New York
$1.12M
Royal London Asset Management
339
Royal London Asset Management
United Kingdom
$1.12M
Baird Financial Group
340
Baird Financial Group
Wisconsin
$1.11M
MSE
341
MUFG Securities EMEA
United Kingdom
$1.11M
MCM
342
MAI Capital Management
Ohio
$1.11M
EI
343
Ethic Inc
New York
$1.1M
GT
344
Glenmede Trust
Pennsylvania
$1.1M
MFG
345
Merit Financial Group
Georgia
$1.09M
BB
346
Busey Bank
Illinois
$1.09M
AAF
347
Andra AP-fonden
Sweden
$1.08M
Healthcare of Ontario Pension Plan (HOOPP) Trust Fund
348
Healthcare of Ontario Pension Plan (HOOPP) Trust Fund
Ontario, Canada
$1.07M
CFSG
349
Clark Financial Services Group
Missouri
$1.05M
SFA
350
Sequoia Financial Advisors
Ohio
$1.05M