AMEREN CORP

Ticker: AEE CUSIP: 023608102 Class: COM

Asset Management One Co., Ltd.'s Holding History (CIK: 0001068855)

Note: Option positions (PUT/CALL) are excluded.

Q4 2025

Shares 167,433 Value ($000) $16,786 Avg Close $101.98 Range $96.57 - $105.97

Q3 2025

Shares 155,001 Value ($000) $16,179 Avg Close $98.57 Range $92.86 - $103.75

Q2 2025

Shares 143,536 Value ($000) $13,785 Avg Close $95.15 Range $89.80 - $100.73

Q1 2025

Shares 153,102 Value ($000) $15,371 Avg Close $93.72 Range $84.34 - $101.13

Q4 2024

Shares 142,809 Value ($000) $12,870 Avg Close $86.51 Range $82.23 - $92.28

Q3 2024

Shares 146,775 Value ($000) $12,837 Avg Close $76.79 Range $67.12 - $84.49

Q2 2024

Shares 138,202 Value ($000) $9,828 Avg Close $69.05 Range $66.35 - $72.17

Q1 2024

Shares 152,864 Value ($000) $11,306 Avg Close $66.93 Range $62.95 - $70.20

Q4 2023

Shares 159,203 Value ($000) $11,510 Avg Close $70.97 Range $64.94 - $77.10

Q3 2023

Shares 167,478 Value ($000) $12,532 Avg Close $75.48 Range $69.25 - $81.99

Q2 2023

Shares 161,677 Value ($000) $13,204 Avg Close $78.68 Range $73.19 - $83.63

Q1 2023

Shares 165,632 Value ($000) $14,309 Avg Close $78.05 Range $73.22 - $82.76

Q4 2022

Shares 152,639 Value ($000) $13,735 Avg Close $76.15 Range $66.26 - $84.15

Q3 2022

Shares 157,790 Value ($000) $12,709 Avg Close $82.17 Range $72.64 - $87.62

Q2 2022

Shares 165,300 Value ($000) $14,936 Avg Close $82.76 Range $72.40 - $88.56

Q1 2022

Shares 182,827 Value ($000) $17,141 Avg Close $77.82 Range $72.52 - $84.57

Q4 2021

Shares 203,897 Value ($000) $18,128 Avg Close $75.02 Range $70.73 - $79.34

Q3 2021

Shares 209,803 Value ($000) $16,994 Avg Close $74.83 Range $69.92 - $79.48

Q2 2021

Shares 217,051 Value ($000) $17,372 Avg Close $72.96 Range $69.48 - $75.99

Q1 2021

Shares 225,467 Value ($000) $18,343 Avg Close $64.84 Range $60.27 - $72.37

Q4 2020

Shares 225,332 Value ($000) $17,259 Avg Close $68.86 Range $65.24 - $74.55

Q3 2020

Shares 234,517 Value ($000) $18,548 Avg Close $67.00 Range $59.90 - $71.58

Q2 2020

Shares 233,091 Value ($000) $16,400 Avg Close $61.49 Range $55.82 - $68.83

Q1 2020

Shares 233,325 Value ($000) $16,993 Avg Close $66.87 Range $49.76 - $73.80

Q4 2019

Shares 248,858 Value ($000) $19,112 Avg Close $63.64 Range $61.34 - $66.95

Q3 2019

Shares 247,394 Value ($000) $19,804 Avg Close $63.90 Range $61.23 - $67.62

Q2 2019

Shares 230,428 Value ($000) $17,308 Avg Close $60.99 Range $58.04 - $64.63

Q1 2019

Shares 221,399 Value ($000) $16,282 Avg Close $57.26 Range $51.80 - $61.87

Q4 2018

Shares 544,736 Value ($000) $35,538 Avg Close $54.42 Range $51.10 - $58.14

Q3 2018

Shares 490,341 Value ($000) $30,964 Avg Close $51.05 Range $47.87 - $53.77

Q2 2018

Shares 494,303 Value ($000) $30,078 Avg Close $46.22 Range $44.15 - $49.57

Q1 2018

Shares 488,965 Value ($000) $27,690 Avg Close $44.14 Range $41.30 - $46.98

Q4 2017

Shares 548,151 Value ($000) $32,356 Avg Close $48.63 Range $45.57 - $51.27

Q3 2017

Shares 525,677 Value ($000) $30,456 Avg Close $45.42 Range $42.00 - $47.78

Q2 2017

Shares 585,668 Value ($000) $32,024 Avg Close $43.30 Range $41.81 - $44.84

Q1 2017

Shares 620,412 Value ($000) $33,889 Avg Close $41.41 Range $39.64 - $44.03

Q4 2016

Shares 511,026 Value ($000) $26,815 Avg Close $38.04 Range $35.84 - $40.82

Q3 2016

Shares 23,032 Value ($000) $1,140 Avg Close $38.81 Range $36.57 - $41.03

Q2 2016

Shares 23,174 Value ($000) $1,220 Avg Close $37.08 Range $34.82 - $40.65

Q1 2016

Shares 59,681 Value ($000) $2,970 Avg Close $34.49 Range $30.94 - $37.73

Q4 2015

Shares 69,471 Value ($000) $3,061 Avg Close $32.10 Range $30.60 - $33.13

Q3 2015

Shares 113,831 Value ($000) $4,747 Avg Close $29.50 Range $27.42 - $32.02

Q2 2015

Shares 23,032 Value ($000) $865 Avg Close $29.09 Range $27.21 - $31.07

Q1 2015

Shares 23,032 Value ($000) $969 Avg Close $31.21 Range $29.15 - $33.48

Q4 2014

Shares 23,032 Value ($000) $1,097 Avg Close $30.20 Range $27.10 - $34.43

Q3 2014

Shares 28,613 Value ($000) $1,094 Avg Close $27.50 Range $25.71 - $28.73

Q2 2014

Shares 28,613 Value ($000) $1,163 Avg Close $27.75 Range $26.34 - $29.10

Q1 2014

Shares 117,671 Value ($000) $4,802 Avg Close $26.55 Range $24.21 - $29.03

Q4 2013

Shares 28,613 Value ($000) $1,030 Avg Close $24.47 Range $23.24 - $25.36

Q3 2013

Shares 28,744 Value ($000) $1,006 Avg Close $23.34 Range $21.99 - $24.65

Q2 2013

Shares 36,435 Value ($000) $1,252 Avg Close $23.26 Range $21.72 - $24.39

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	167,433	$16,786	$101.98	$96.57 - $105.97
Q3 2025	155,001	$16,179	$98.57	$92.86 - $103.75
Q2 2025	143,536	$13,785	$95.15	$89.80 - $100.73
Q1 2025	153,102	$15,371	$93.72	$84.34 - $101.13
Q4 2024	142,809	$12,870	$86.51	$82.23 - $92.28
Q3 2024	146,775	$12,837	$76.79	$67.12 - $84.49
Q2 2024	138,202	$9,828	$69.05	$66.35 - $72.17
Q1 2024	152,864	$11,306	$66.93	$62.95 - $70.20
Q4 2023	159,203	$11,510	$70.97	$64.94 - $77.10
Q3 2023	167,478	$12,532	$75.48	$69.25 - $81.99
Q2 2023	161,677	$13,204	$78.68	$73.19 - $83.63
Q1 2023	165,632	$14,309	$78.05	$73.22 - $82.76
Q4 2022	152,639	$13,735	$76.15	$66.26 - $84.15
Q3 2022	157,790	$12,709	$82.17	$72.64 - $87.62
Q2 2022	165,300	$14,936	$82.76	$72.40 - $88.56
Q1 2022	182,827	$17,141	$77.82	$72.52 - $84.57
Q4 2021	203,897	$18,128	$75.02	$70.73 - $79.34
Q3 2021	209,803	$16,994	$74.83	$69.92 - $79.48
Q2 2021	217,051	$17,372	$72.96	$69.48 - $75.99
Q1 2021	225,467	$18,343	$64.84	$60.27 - $72.37
Q4 2020	225,332	$17,259	$68.86	$65.24 - $74.55
Q3 2020	234,517	$18,548	$67.00	$59.90 - $71.58
Q2 2020	233,091	$16,400	$61.49	$55.82 - $68.83
Q1 2020	233,325	$16,993	$66.87	$49.76 - $73.80
Q4 2019	248,858	$19,112	$63.64	$61.34 - $66.95
Q3 2019	247,394	$19,804	$63.90	$61.23 - $67.62
Q2 2019	230,428	$17,308	$60.99	$58.04 - $64.63
Q1 2019	221,399	$16,282	$57.26	$51.80 - $61.87
Q4 2018	544,736	$35,538	$54.42	$51.10 - $58.14
Q3 2018	490,341	$30,964	$51.05	$47.87 - $53.77
Q2 2018	494,303	$30,078	$46.22	$44.15 - $49.57
Q1 2018	488,965	$27,690	$44.14	$41.30 - $46.98
Q4 2017	548,151	$32,356	$48.63	$45.57 - $51.27
Q3 2017	525,677	$30,456	$45.42	$42.00 - $47.78
Q2 2017	585,668	$32,024	$43.30	$41.81 - $44.84
Q1 2017	620,412	$33,889	$41.41	$39.64 - $44.03
Q4 2016	511,026	$26,815	$38.04	$35.84 - $40.82
Q3 2016	23,032	$1,140	$38.81	$36.57 - $41.03
Q2 2016	23,174	$1,220	$37.08	$34.82 - $40.65
Q1 2016	59,681	$2,970	$34.49	$30.94 - $37.73
Q4 2015	69,471	$3,061	$32.10	$30.60 - $33.13
Q3 2015	113,831	$4,747	$29.50	$27.42 - $32.02
Q2 2015	23,032	$865	$29.09	$27.21 - $31.07
Q1 2015	23,032	$969	$31.21	$29.15 - $33.48
Q4 2014	23,032	$1,097	$30.20	$27.10 - $34.43
Q3 2014	28,613	$1,094	$27.50	$25.71 - $28.73
Q2 2014	28,613	$1,163	$27.75	$26.34 - $29.10
Q1 2014	117,671	$4,802	$26.55	$24.21 - $29.03
Q4 2013	28,613	$1,030	$24.47	$23.24 - $25.36
Q3 2013	28,744	$1,006	$23.34	$21.99 - $24.65
Q2 2013	36,435	$1,252	$23.26	$21.72 - $24.39