917 hedge funds and large institutions have $25.7B invested in Ameren in 2026 Q1 according to their latest regulatory filings, with 126 funds opening new positions, 371 increasing their positions, 230 reducing their positions, and 62 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: 876917 (+41)

1.08% less ownership

Funds ownership: 85.7%84.62% (-1.1%)

33% less call options, than puts

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

Holders
917
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
BIAS
826
Beacon Investment Advisory Services
New Jersey
$8.9K
PWMG
827
Private Wealth Management Group
New Jersey
$7.92K
KG
828
Kilter Group
New York
$7.92K
BIA
829
Bell Investment Advisors
California
$7.58K
EFMH
830
E Fund Management (HK)
Hong Kong
$7.58K
LFASL
831
Lugano Financial Advisors SA (LFA)
Switzerland
$7.04K
HIA
832
Harbor Investment Advisory
Maryland
$6.92K
BLC
833
Brown, Lisle/Cummings
Rhode Island
$6.92K
MPG
834
My Portfolio Guide
California
$6.78K
ZBNA
835
Zions Bancorporation, National Association
Utah
$6.71K
RF
836
Rossby Financial
Florida
$6.32K
ST
837
Smithfield Trust
Pennsylvania
$6K
AIA
838
Aventus Investment Advisors
Florida
$5.72K
ME
839
McIlrath & Eck
Washington
$5.72K
VWA
840
VSM Wealth Advisory
Maryland
$5.61K
PPC
841
Park Place Capital
Alabama
$5.61K
IAS
842
IMA Advisory Services
Colorado
$5.61K
RFA
843
Reyes Financial Architecture
California
$5.5K
CFG
844
Clayton Financial Group
Missouri
$5.17K
GWP
845
Gen-Wealth Partners
Michigan
$5.17K
WA
846
Whipplewood Advisors
Colorado
$5.17K
SSG
847
Summit Securities Group
New York
$4.95K
S
848
Sachetta
Massachusetts
$4.51K
AFC
849
Ares Financial Consulting
California
$3.88K
TC
850
Trust Company
Kansas
$3.85K