876 hedge funds and large institutions have $23.2B invested in Ameren in 2025 Q4 according to their latest regulatory filings, with 139 funds opening new positions, 336 increasing their positions, 238 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 → $23.2B (-$906M)

40% less call options, than puts

Call options by funds: $19.8M | Put options by funds: $32.8M

Holders
876
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
ALC
376
Alexander Labrunerie & Co
Missouri
$863K
NMIMC
377
Northwestern Mutual Investment Management Company
Wisconsin
$863K
UB
378
UMB Bank
Missouri
$863K
MGP
379
Metis Global Partners
California
$856K
OIA
380
OneDigital Investment Advisors
Kansas
$855K
ACP
381
Arcus Capital Partners
Georgia
$848K
Truist Financial
382
Truist Financial
North Carolina
$844K
TSS
383
Two Sigma Securities
New York
$835K
SPWG
384
Syntegra Private Wealth Group
Missouri
$835K
VDI
385
Vaughan David Investments
Illinois
$825K
ACS
386
Archford Capital Strategies
Illinois
$823K
UCFA
387
United Capital Financial Advisors
Texas
$822K
DILIC
388
Dai-ichi Life Insurance Company
Japan
$818K
FDCDDQ
389
Federation des caisses Desjardins du Quebec
Quebec, Canada
$816K
EFSCE
390
Enterprise Financial Services Corp (EFSC)
Missouri
$809K
CCM
391
Cambridge Capital Management
Illinois
$806K
VRS
392
Virginia Retirement Systems
Virginia
$799K
AWE
393
Avidian Wealth Enterprises
Texas
$794K
Two Sigma Investments
394
Two Sigma Investments
New York
$789K
EWM
395
Empirical Wealth Management
Washington
$783K
TRCT
396
Tower Research Capital (TRC)
New York
$779K
BBVA
397
Banco Bilbao Vizcaya Argentaria
Spain
$778K
PFS
398
Prospera Financial Services
Texas
$773K
CG
399
Caprock Group
Idaho
$766K
WW
400
Waterfront Wealth
Kansas
$751K