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923 hedge funds and large institutions have $25.7B invested in Ameren in 2026 Q1 according to their latest regulatory filings, with 125 funds opening new positions, 372 increasing their positions, 233 reducing their positions, and 61 closing their positions.

New
Increased
Maintained
Reduced
Closed

more first-time investments, than exits

New positions opened: | Existing positions closed:

more repeat investments, than reductions

Existing positions increased: | Existing positions reduced:

more funds holding in top 10

Funds holding in top 10:

more capital invested

Capital invested by funds: $ → $

5% more funds holding

Funds holding: 878923 (+45)

1.07% less ownership

Funds ownership: 85.71%84.64% (-1.1%)

33% less call options, than puts

Call options by funds: $12.8M | Put options by funds: $19.1M

Holders
923
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
7
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$12.8M
Puts
$19.1M
Net Calls
Net Calls Change

Top Buyers

1 +$343M
2 +$182M
3 +$104M
4
BlackRock
BlackRock
New York
+$88.8M
5
Balyasny Asset Management
Balyasny Asset Management
Illinois
+$75.8M
Name Holding Trade Value Shares
Change
Change in
Stake
MCM
351
MAI Capital Management
Ohio
$1.3M
AIM
352
Acropolis Investment Management
Missouri
$1.29M
WS
353
Wedbush Securities
California
$1.28M
Walleye Trading
354
Walleye Trading
New York
$1.28M
MGWM
355
Marks Group Wealth Management
Minnesota
$1.26M
HCM
356
HMS Capital Management
Tennessee
$1.26M
IAIM
357
International Assets Investment Management
Florida
$1.25M
HNB
358
Huntington National Bank
Ohio
$1.25M
MSE
359
MUFG Securities EMEA
United Kingdom
$1.25M
VWA
360
Visionary Wealth Advisors
Illinois
$1.24M
Royal London Asset Management
361
Royal London Asset Management
United Kingdom
$1.23M
OTPPB
362
Ontario Teachers' Pension Plan Board
Ontario, Canada
$1.23M
Baird Financial Group
363
Baird Financial Group
Wisconsin
$1.22M
EF
364
Empowered Funds
Pennsylvania
$1.18M
GLR
365
Great Lakes Retirement
Ohio
$1.17M
CFSG
366
Clark Financial Services Group
Missouri
$1.16M
FPAS
367
Focus Partners Advisor Solutions
Missouri
$1.15M
GI
368
GAMMA Investing
California
$1.14M
CBT
369
Central Bank & Trust
Kentucky
$1.14M
UCFA
370
United Capital Financial Advisors
Texas
$1.13M
CGH
371
Crossmark Global Holdings
Texas
$1.13M
C
372
Croban
Ohio
$1.12M
RRA
373
Round Rock Advisors
Connecticut
$1.12M
RAG
374
RIA Advisory Group
Iowa
$1.11M
SCB
375
Saudi Central Bank
Saudi Arabia
$1.1M