871 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%85.7% (+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
871
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
SGK
626
Steigerwald Gordon & Koch
Virginia
$180K
HPC
627
HM Payson & Co
Maine
$176K
MMG
628
Monetary Management Group
Missouri
$176K
LGWM
629
Litman Gregory Wealth Management
California
$175K
CBT
630
Crews Bank & Trust
Florida
$173K
VIA
631
Virtus Investment Advisers
Connecticut
$163K
HI
632
Harbour Investments
Wisconsin
$160K
OWP
633
ORG Wealth Partners
Texas
$157K
FAI
634
Fiduciary Advisors Inc
Missouri
$151K
AF
635
Advisornet Financial
Minnesota
$145K
DSC
636
Daytona Street Capital
Missouri
$141K
HP
637
Havemeyer Place
Connecticut
$134K
BCWM
638
Bartlett & Co Wealth Management
Ohio
$132K
EWA
639
EverSource Wealth Advisors
Alabama
$130K
Optiver Holding
640
Optiver Holding
Netherlands
$128K
Los Angeles Capital Management
641
Los Angeles Capital Management
California
$127K
MPWT
642
MassMutual Private Wealth & Trust
Connecticut
$121K
Federated Hermes
643
Federated Hermes
Pennsylvania
$115K
SAM
644
Smartleaf Asset Management
Massachusetts
$114K
WAG
645
Wilkerson Advisory Group
Missouri
$113K
NRG
646
Nemes Rush Group
Michigan
$112K
APW
647
Aventura Private Wealth
Florida
$110K
AF
648
Avanza Fonder
Sweden
$109K
PFA
649
Pillar Financial Advisors
Kentucky
$104K
IA
650
IFP Advisors
Florida
$104K