788 hedge funds and large institutions have $22.2B invested in Ameren in 2025 Q2 according to their latest regulatory filings, with 93 funds opening new positions, 338 increasing their positions, 218 reducing their positions, and 89 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
788
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
$15.3M
Puts
$4.51M
Net Calls
Net Calls Change

Top Sellers

1 -$67.1M
2 -$55.1M
3 -$43M
4
ZP
Zimmer Partners
New York
-$33.4M
5
First Trust Advisors
First Trust Advisors
Illinois
-$32.1M
Name Holding Trade Value Shares
Change
Change in
Stake
SOADOR
201
State of Alaska Department of Revenue
Alaska
$3.46M
Focus Partners Wealth
202
Focus Partners Wealth
Massachusetts
$3.41M
BEI
203
Benjamin Edwards Inc
Missouri
$3.39M
NS
204
NBC Securities
Alabama
$3.38M
PF
205
Prosperitas Financial
California
$3.37M
NAM
206
Nissay Asset Management
Japan
$3.29M
CWM
207
CIBC World Markets
New York
$3.27M
MAM
208
Martingale Asset Management
Massachusetts
$3.16M
AF
209
Allworth Financial
California
$3.15M
HighTower Advisors
210
HighTower Advisors
Illinois
$3.1M
Mirae Asset Global Investments
211
Mirae Asset Global Investments
South Korea
$3.05M
MOACM
212
Mutual of America Capital Management
New York
$2.98M
Mackenzie Financial
213
Mackenzie Financial
Ontario, Canada
$2.88M
MA
214
Mutual Advisors
Nebraska
$2.85M
NAAA
215
New Age Alpha Advisors
New York
$2.84M
BTC
216
Bank & Trust Company
Illinois
$2.82M
WP
217
Woodline Partners
California
$2.81M
Rafferty Asset Management
218
Rafferty Asset Management
New York
$2.79M
HIS
219
Horizon Investment Services
Indiana
$2.73M
Bank of Nova Scotia
220
Bank of Nova Scotia
Ontario, Canada
$2.71M
Two Sigma Investments
221
Two Sigma Investments
New York
$2.67M
VPIM
222
Vanguard Personalized Indexing Management
California
$2.65M
KBC Group
223
KBC Group
Belgium
$2.62M
CTC
224
Central Trust Company
Missouri
$2.61M
VI
225
Vestcor Inc
New Brunswick, Canada
$2.53M