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
IA
326
Icon Advisers
Colorado
$1.21M
PL
327
Plancorp LLC
Missouri
$1.21M
STA
328
Summit Trail Advisors
New York
$1.2M
PAS
329
Park Avenue Securities
New York
$1.19M
PS
330
Principal Securities
Iowa
$1.19M
AIM
331
Acropolis Investment Management
Missouri
$1.18M
AA
332
ALPS Advisors
Colorado
$1.17M
WS
333
Wedbush Securities
California
$1.16M
IAIM
334
International Assets Investment Management
Florida
$1.13M
HNB
335
Huntington National Bank
Ohio
$1.13M
VWA
336
Visionary Wealth Advisors
Illinois
$1.12M
PI
337
PineBridge Investments
New York
$1.12M
Royal London Asset Management
338
Royal London Asset Management
United Kingdom
$1.12M
Baird Financial Group
339
Baird Financial Group
Wisconsin
$1.11M
MSE
340
MUFG Securities EMEA
United Kingdom
$1.11M
MCM
341
MAI Capital Management
Ohio
$1.11M
EI
342
Ethic Inc
New York
$1.1M
GT
343
Glenmede Trust
Pennsylvania
$1.1M
MFG
344
Merit Financial Group
Georgia
$1.09M
BB
345
Busey Bank
Illinois
$1.09M
AAF
346
Andra AP-fonden
Sweden
$1.08M
Healthcare of Ontario Pension Plan (HOOPP) Trust Fund
347
Healthcare of Ontario Pension Plan (HOOPP) Trust Fund
Ontario, Canada
$1.07M
CFSG
348
Clark Financial Services Group
Missouri
$1.05M
SFA
349
Sequoia Financial Advisors
Ohio
$1.05M
CGH
350
Crossmark Global Holdings
Texas
$1.04M