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
WWM
826
Wolff Wiese Magana
California
$2K
S
827
Sachetta
Massachusetts
$1.9K
SG
828
Sankala Group
Colorado
$1.7K
LB
829
Legacy Bridge
Iowa
$1.6K
HHCP
830
Hilton Head Capital Partners
South Carolina
$1.6K
FMP
831
Financial Management Professionals
Texas
$1.5K
FDW
832
Fourth Dimension Wealth
Ohio
$1.49K
HIA
833
Harbor Investment Advisory
Maryland
$1.4K
PWA
834
Principia Wealth Advisory
Texas
$1.4K
GWM
835
Greenline Wealth Management
Florida
$1.4K
CA
836
Crewe Advisors
Utah
$1.3K
RTL
837
Red Tortoise LLC
Georgia
$1.3K
DF
838
Dunhill Financial
United Kingdom
$1.2K
RWM
839
Rialto Wealth Management
New York
$1.2K
WA
840
WestEnd Advisors
North Carolina
$1.2K
CFM
841
Cornerstone Financial Management
Massachusetts
$1.1K
VNA
842
Valley National Advisers
Pennsylvania
$1K
LSA
843
Leonteq Securities AG
Switzerland
$999
TSMHT
844
Thurston Springer Miller Herd & Titak
Indiana
$998
WA
845
Whipplewood Advisors
Colorado
$899
UFF
846
USA Financial Formulas
Michigan
$799
HIA
847
HFM Investment Advisors
New Jersey
$700
WW
848
Winnow Wealth
Texas
$700
AG
849
AmeriFlex Group
Nevada
$699
AP
850
Aspect Partners
Virginia
$699