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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
IIM
251
INTECH Investment Management
Florida
$3.52M
OPERF
252
Oregon Public Employees Retirement Fund
Oregon
$3.49M
Pathstone Holdings
253
Pathstone Holdings
New Jersey
$3.48M
VPIM
254
Vanguard Personalized Indexing Management
California
$3.33M
MOACM
255
Mutual of America Capital Management
New York
$3.23M
BTC
256
Bank & Trust Company
Illinois
$3.2M
SSA
257
Schonfeld Strategic Advisors
New York
$3.19M
Carson Wealth (CWM LLC)
258
Carson Wealth (CWM LLC)
Nebraska
$3.04M
CWM
259
Cornerstone Wealth Management
Missouri
$3.04M
ECSS
260
Eurizon Capital SGR SpA
$3M
CAPTRUST Financial Advisors
261
CAPTRUST Financial Advisors
North Carolina
$2.9M
AC
262
Allstate Corporation
Illinois
$2.84M
DCM
263
Dean Capital Management
Kansas
$2.84M
PCM
264
Polymer Capital Management
New York
$2.83M
MA
265
Mutual Advisors
Nebraska
$2.83M
HI
266
Horizon Investments
North Carolina
$2.82M
CTC
267
Central Trust Company
Missouri
$2.82M
Northwestern Mutual Wealth Management
268
Northwestern Mutual Wealth Management
Wisconsin
$2.8M
Public Employees Retirement Association of Colorado
269
Public Employees Retirement Association of Colorado
Colorado
$2.78M
Pacer Advisors
270
Pacer Advisors
Pennsylvania
$2.77M
CAMG
271
CWA Asset Management Group
Florida
$2.72M
DWM
272
Dakota Wealth Management
Florida
$2.57M
HSPW
273
Harrison Street Private Wealth
Colorado
$2.55M
FAF
274
Fjarde Ap-fonden
Sweden
$2.51M
Koshinski Asset Management
275
Koshinski Asset Management
Illinois
$2.47M