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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
AB
201
Amalgamated Bank
New York
$5.73M
BA
202
Bridgewater Associates
Connecticut
$5.72M
PI
203
PineBridge Investments
New York
$5.65M
DIA
204
Dean Investment Associates
Ohio
$5.61M
Cambridge Investment Research Advisors
205
Cambridge Investment Research Advisors
Iowa
$5.57M
NIG
206
NFJ Investment Group
Texas
$5.49M
X
207
Xponance
Pennsylvania
$5.42M
National Bank of Canada
208
National Bank of Canada
Quebec, Canada
$5.36M
Jacobs Levy Equity Management
209
Jacobs Levy Equity Management
New Jersey
$5.28M
GLA
210
Great Lakes Advisors
Illinois
$5.24M
Cerity Partners
211
Cerity Partners
New York
$5.14M
EGM
212
Engineers Gate Manager
New York
$5.13M
LCM
213
Landscape Capital Management
New Jersey
$4.95M
Teacher Retirement System of Texas
214
Teacher Retirement System of Texas
Texas
$4.86M
UIM
215
USS Investment Management
United Kingdom
$4.85M
URS
216
Utah Retirement Systems
Utah
$4.82M
MSV
217
MN Services Vermogensbeheer
Netherlands
$4.72M
HighTower Advisors
218
HighTower Advisors
Illinois
$4.69M
DekaBank Deutsche Girozentrale
219
DekaBank Deutsche Girozentrale
Germany
$4.63M
AF
220
Allworth Financial
California
$4.6M
NAAA
221
New Age Alpha Advisors
New York
$4.6M
PFSRSONJ
222
Police & Firemen's Retirement System of New Jersey
New Jersey
$4.57M
YIH
223
Y-Intercept (HK)
Hong Kong
$4.45M
PF
224
Prosperitas Financial
California
$4.38M
MML Investors Services
225
MML Investors Services
Massachusetts
$4.35M