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Ameren
AEE

Overview Fund Activity

797 hedge funds and large institutions have $22.3B invested in Ameren in 2025 Q1 according to their latest regulatory filings, with 136 funds opening new positions, 311 increasing their positions, 209 reducing their positions, and 55 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
797
Holders Change
+70
Holders Change %
+9.63%
% of All Funds
10.83%
Holding in Top 10
7
Holding in Top 10 Change
+1
Holding in Top 10 Change %
+16.67%
% of All Funds
0.1%
New
136
Increased
311
Reduced
209
Closed
55
Calls
$12.5M
Puts
$11.4M
Net Calls
+$1.18M
Net Calls Change
-$4.86M

Top Buyers

1
ECM
ExodusPoint Capital Management
New York
$168M
2
T. Rowe Price Associates
T. Rowe Price Associates
Maryland
$2.85B
3
AllianceBernstein
AllianceBernstein
Tennessee
$359M
4
Vanguard Group
Vanguard Group
Pennsylvania
$3.45B
5
Marshall Wace
Marshall Wace
United Kingdom
$70.2M

Top Sellers

1
T. Rowe Price Investment Management
T. Rowe Price Investment Management
Maryland
$1.31B
2
Millennium Management
Millennium Management
New York
$52.2M
3
SCP
Soroban Capital Partners
New York
$113M
4
Citadel Advisors
Citadel Advisors
Florida
$5.86M
5
Pictet Asset Management
Pictet Asset Management
Switzerland
$230M
Name Holding Trade Value Shares
Change 		Shares
Change %
CTC
226
Central Trust Company
Missouri
$2.7M -$13.7K -136 -0.5%
CWM
227
Cornerstone Wealth Management
Missouri
$2.67M +$8.43K +84 +0.3%
HIS
228
Horizon Investment Services
Indiana
$2.63M +$771K +7,682 +41%
Public Employees Retirement Association of Colorado
229
Public Employees Retirement Association of Colorado
Colorado
$2.62M – – –
IFU
230
iSAM Funds (UK)
United Kingdom
$2.6M +$2.6M +25,934 New
PCM
231
Polymer Capital Management
New York
$2.51M -$502K -5,000 -17%
1832 Asset Management
232
1832 Asset Management
Ontario, Canada
$2.49M +$466K +4,646 +23%
CC
233
Centiva Capital
New York
$2.48M +$2.48M +24,737 New
Connor, Clark & Lunn Investment Management (CC&L)
234
Connor, Clark & Lunn Investment Management (CC&L)
British Columbia, Canada
$2.46M +$2.46M +24,481 New
RIM
235
Rakuten Investment Management
Japan
$2.45M +$2.45M +24,587 New
Tudor Investment Corp
236
Tudor Investment Corp
Connecticut
$2.44M +$2.44M +24,346 New
Rafferty Asset Management
237
Rafferty Asset Management
New York
$2.44M -$571K -5,687 -19%
DTL
238
Dynamic Technology Lab
Singapore
$2.44M +$1.58M +15,728 +184%
VPIM
239
Vanguard Personalized Indexing Management
California
$2.43M +$161K +1,607 +7%
Northwestern Mutual Wealth Management
240
Northwestern Mutual Wealth Management
Wisconsin
$2.43M -$192K -1,916 -7%
OTL
241
Oak Thistle LLC
New York
$2.4M +$2.4M +23,884 New
DCM
242
Dean Capital Management
Kansas
$2.38M +$48.7K +485 +2%
OPERF
243
Oregon Public Employees Retirement Fund
Oregon
$2.33M +$31.1K +310 +1%
GC
244
Guggenheim Capital
Illinois
$2.33M -$1.02M -10,164 -30%
Koshinski Asset Management
245
Koshinski Asset Management
Illinois
$2.31M +$31.5K +314 +1%
WP
246
Woodline Partners
California
$2.29M +$680K +6,772 +42%
KBC Group
247
KBC Group
Belgium
$2.27M – – –
IIM
248
INTECH Investment Management
Florida
$2.27M +$865K +8,618 +62%
AAS
249
Avantax Advisory Services
Texas
$2.27M -$80.3K -800 -3%
Mercer Global Advisors
250
Mercer Global Advisors
Colorado
$2.26M -$43.9K -437 -2%
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