792 hedge funds and large institutions have $22.2B invested in Ameren in 2025 Q2 according to their latest regulatory filings, with 94 funds opening new positions, 342 increasing their positions, 217 reducing their positions, and 89 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
792
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 Buyers

1 +$258M
2 +$129M
3 +$122M
4
JP Morgan Chase
JP Morgan Chase
New York
+$110M
5
Point72 Asset Management
Point72 Asset Management
Connecticut
+$88.7M

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
ACM
201
Aquatic Capital Management
Illinois
$3.49M
SOADOR
202
State of Alaska Department of Revenue
Alaska
$3.46M
Osaic Holdings
203
Osaic Holdings
Arizona
$3.46M
Focus Partners Wealth
204
Focus Partners Wealth
Massachusetts
$3.41M
BEI
205
Benjamin Edwards Inc
Missouri
$3.39M
NS
206
NBC Securities
Alabama
$3.38M
PF
207
Prosperitas Financial
California
$3.37M
NAM
208
Nissay Asset Management
Japan
$3.29M
CWM
209
CIBC World Markets
New York
$3.27M
MAM
210
Martingale Asset Management
Massachusetts
$3.16M
AF
211
Allworth Financial
California
$3.15M
HighTower Advisors
212
HighTower Advisors
Illinois
$3.1M
Mirae Asset Global Investments
213
Mirae Asset Global Investments
South Korea
$3.05M
FAM
214
Fulcrum Asset Management
United Kingdom
$2.98M
MOACM
215
Mutual of America Capital Management
New York
$2.98M
Mackenzie Financial
216
Mackenzie Financial
Ontario, Canada
$2.88M
MA
217
Mutual Advisors
Nebraska
$2.85M
NAAA
218
New Age Alpha Advisors
New York
$2.84M
BTC
219
Bank & Trust Company
Illinois
$2.82M
WP
220
Woodline Partners
California
$2.81M
Rafferty Asset Management
221
Rafferty Asset Management
New York
$2.79M
HIS
222
Horizon Investment Services
Indiana
$2.73M
Bank of Nova Scotia
223
Bank of Nova Scotia
Ontario, Canada
$2.71M
Two Sigma Investments
224
Two Sigma Investments
New York
$2.67M
VPIM
225
Vanguard Personalized Indexing Management
California
$2.65M