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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
NA
451
NewEdge Advisors
Louisiana
$726K
RBWA
452
RFG - Bristol Wealth Advisors
Massachusetts
$725K
KRS
453
Kentucky Retirement Systems
Kentucky
$724K
Rockefeller Capital Management
454
Rockefeller Capital Management
New York
$719K
CCM
455
Coldstream Capital Management
Washington
$714K
SO
456
STRS Ohio
Ohio
$710K
PA
457
Procyon Advisors
Connecticut
$695K
CPCPP
458
Canada Post Corporation Pension Plan
Canada
$693K
TRCT
459
Tower Research Capital (TRC)
New York
$691K
WAG
460
Wheelhouse Advisory Group
Missouri
$689K
OC
461
Oppenheimer & Co
New York
$688K
WFA
462
Wellspring Financial Advisors
Ohio
$688K
JF
463
Jump Financial
Illinois
$688K
HBT
464
Heartland Bank & Trust
Illinois
$685K
AWA
465
Aaron Wealth Advisors
Illinois
$683K
TWIM
466
TIAA Wealth Investment Management
New York
$674K
Nomura Holdings
467
Nomura Holdings
Japan
$657K
Assenagon Asset Management
468
Assenagon Asset Management
Luxembourg
$653K
LNWTC
469
Laird Norton Wetherby Trust Company
Washington
$653K
AWM
470
AE Wealth Management
Kansas
$644K
GWP
471
Gateway Wealth Partners
Wisconsin
$643K
PA
472
Parallel Advisors
California
$632K
CPIG
473
Chicago Partners Investment Group
Illinois
$627K
TF
474
Tudor Financial
Ohio
$622K
MAS
475
Meeder Advisory Services
Ohio
$613K