ALLIANT ENERGY CORP

Ticker: LNT CUSIP: 018802108 Class: COM

Sumitomo Mitsui DS Asset Management Company, Ltd's Holding History (CIK: 0001411530)

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

Q4 2025

Shares 37,957 Value ($000) $2,468 Avg Close $66.83 Range $64.30 - $69.59

Q3 2025

Shares 36,778 Value ($000) $2,479 Avg Close $63.88 Range $59.07 - $67.04

Q2 2025

Shares 35,943 Value ($000) $2,173 Avg Close $60.10 Range $55.76 - $64.19

Q1 2025

Shares 29,184 Value ($000) $1,878 Avg Close $59.57 Range $54.52 - $64.99

Q4 2024

Shares 28,587 Value ($000) $1,691 Avg Close $58.37 Range $54.30 - $62.16

Q3 2024

Shares 27,746 Value ($000) $1,684 Avg Close $54.38 Range $48.12 - $58.63

Q2 2024

Shares 27,839 Value ($000) $1,417 Avg Close $47.71 Range $44.54 - $49.81

Q1 2024

Shares 26,931 Value ($000) $1,357 Avg Close $46.11 Range $44.14 - $48.90

Q4 2023

Shares 26,662 Value ($000) $1,368 Avg Close $46.45 Range $41.77 - $50.29

Q3 2023

Shares 26,575 Value ($000) $1,288 Avg Close $47.84 Range $44.23 - $51.62

Q2 2023

Shares 22,068 Value ($000) $1,158 Avg Close $49.05 Range $46.13 - $51.23

Q1 2023

Shares 21,679 Value ($000) $1,158 Avg Close $48.28 Range $45.19 - $50.77

Q4 2022

Shares 21,389 Value ($000) $1,181 Avg Close $48.07 Range $42.22 - $51.90

Q3 2022

Shares 21,389 Value ($000) $1,133 Avg Close $53.87 Range $47.25 - $57.82

Q2 2022

Shares 17,985 Value ($000) $1,054 Avg Close $53.50 Range $48.14 - $57.66

Q1 2022

Shares 17,763 Value ($000) $1,110 Avg Close $52.37 Range $48.33 - $55.78

Q4 2021

Shares 16,191 Value ($000) $995 Avg Close $50.05 Range $47.35 - $54.07

Q3 2021

Shares 16,191 Value ($000) $906 Avg Close $51.28 Range $47.64 - $54.21

Q2 2021

Shares 16,279 Value ($000) $907 Avg Close $48.83 Range $45.94 - $51.03

Q1 2021

Shares 16,350 Value ($000) $885 Avg Close $42.55 Range $39.42 - $47.06

Q4 2020

Shares 16,049 Value ($000) $827 Avg Close $45.61 Range $40.48 - $49.39

Q3 2020

Shares 16,049 Value ($000) $828 Avg Close $44.02 Range $39.84 - $46.94

Q2 2020

Shares 15,918 Value ($000) $761 Avg Close $40.72 Range $36.29 - $45.31

Q1 2020

Shares 15,438 Value ($000) $745 Avg Close $45.48 Range $31.34 - $50.16

Q4 2019

Shares 17,022 Value ($000) $931 Avg Close $43.82 Range $42.11 - $45.80

Q3 2019

Shares 14,766 Value ($000) $796 Avg Close $42.08 Range $39.53 - $44.83

Q2 2019

Shares 14,611 Value ($000) $717 Avg Close $38.79 Range $37.00 - $40.91

Q1 2019

Shares 18,108 Value ($000) $853 Avg Close $36.14 Range $32.70 - $38.77

Q4 2018

Shares 16,162 Value ($000) $682 Avg Close $35.19 Range $32.65 - $37.38

Q3 2018

Shares 16,162 Value ($000) $688 Avg Close $34.13 Range $32.72 - $35.18

Q2 2018

Shares 16,162 Value ($000) $683 Avg Close $32.46 Range $30.20 - $34.35

Q1 2018

Shares 15,976 Value ($000) $652 Avg Close $30.84 Range $28.88 - $33.21

Q4 2017

Shares 17,337 Value ($000) $738 Avg Close $33.80 Range $31.68 - $35.41

Q3 2017

Shares 17,718 Value ($000) $736 Avg Close $32.04 Range $30.14 - $33.72

Q2 2017

Shares 17,671 Value ($000) $709 Avg Close $30.93 Range $29.83 - $32.31

Q1 2017

Shares 19,674 Value ($000) $779 Avg Close $29.08 Range $27.58 - $30.63

Q4 2016

Shares 18,284 Value ($000) $692 Avg Close $27.74 Range $26.27 - $29.13

Q3 2016

Shares 16,702 Value ($000) $639 Avg Close $29.26 Range $27.72 - $30.41

Q2 2016

Shares 15,069 Value ($000) $598 Avg Close $27.46 Range $25.25 - $29.85

Q1 2016

Shares 7,310 Value ($000) $542 Avg Close $24.74 Range $22.13 - $27.34

Q4 2015

Shares 7,310 Value ($000) $456 Avg Close $21.84 Range $20.45 - $23.41

Q3 2015

Shares 7,310 Value ($000) $427 Avg Close $21.20 Range $19.59 - $22.72

Q2 2015

Shares 7,190 Value ($000) $415 Avg Close $21.63 Range $20.41 - $22.74

Q1 2015

Shares 8,378 Value ($000) $527 Avg Close $23.04 Range $21.25 - $25.01

Q4 2014

Shares 9,128 Value ($000) $606 Avg Close $21.73 Range $19.32 - $24.55

Q3 2014

Shares 9,128 Value ($000) $505 Avg Close $20.07 Range $19.08 - $21.06

Q2 2014

Shares 10,923 Value ($000) $664 Avg Close $19.98 Range $19.02 - $21.06

Q1 2014

Shares 10,893 Value ($000) $618 Avg Close $18.07 Range $16.97 - $19.54

Q4 2013

Shares 12,889 Value ($000) $665 Avg Close $17.48 Range $16.43 - $18.23

Q3 2013

Shares 12,977 Value ($000) $643 Avg Close $17.15 Range $16.21 - $18.15

Q2 2013

Shares 14,477 Value ($000) $729 Avg Close $16.89 Range $15.60 - $17.85

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	37,957	$2,468	$66.83	$64.30 - $69.59
Q3 2025	36,778	$2,479	$63.88	$59.07 - $67.04
Q2 2025	35,943	$2,173	$60.10	$55.76 - $64.19
Q1 2025	29,184	$1,878	$59.57	$54.52 - $64.99
Q4 2024	28,587	$1,691	$58.37	$54.30 - $62.16
Q3 2024	27,746	$1,684	$54.38	$48.12 - $58.63
Q2 2024	27,839	$1,417	$47.71	$44.54 - $49.81
Q1 2024	26,931	$1,357	$46.11	$44.14 - $48.90
Q4 2023	26,662	$1,368	$46.45	$41.77 - $50.29
Q3 2023	26,575	$1,288	$47.84	$44.23 - $51.62
Q2 2023	22,068	$1,158	$49.05	$46.13 - $51.23
Q1 2023	21,679	$1,158	$48.28	$45.19 - $50.77
Q4 2022	21,389	$1,181	$48.07	$42.22 - $51.90
Q3 2022	21,389	$1,133	$53.87	$47.25 - $57.82
Q2 2022	17,985	$1,054	$53.50	$48.14 - $57.66
Q1 2022	17,763	$1,110	$52.37	$48.33 - $55.78
Q4 2021	16,191	$995	$50.05	$47.35 - $54.07
Q3 2021	16,191	$906	$51.28	$47.64 - $54.21
Q2 2021	16,279	$907	$48.83	$45.94 - $51.03
Q1 2021	16,350	$885	$42.55	$39.42 - $47.06
Q4 2020	16,049	$827	$45.61	$40.48 - $49.39
Q3 2020	16,049	$828	$44.02	$39.84 - $46.94
Q2 2020	15,918	$761	$40.72	$36.29 - $45.31
Q1 2020	15,438	$745	$45.48	$31.34 - $50.16
Q4 2019	17,022	$931	$43.82	$42.11 - $45.80
Q3 2019	14,766	$796	$42.08	$39.53 - $44.83
Q2 2019	14,611	$717	$38.79	$37.00 - $40.91
Q1 2019	18,108	$853	$36.14	$32.70 - $38.77
Q4 2018	16,162	$682	$35.19	$32.65 - $37.38
Q3 2018	16,162	$688	$34.13	$32.72 - $35.18
Q2 2018	16,162	$683	$32.46	$30.20 - $34.35
Q1 2018	15,976	$652	$30.84	$28.88 - $33.21
Q4 2017	17,337	$738	$33.80	$31.68 - $35.41
Q3 2017	17,718	$736	$32.04	$30.14 - $33.72
Q2 2017	17,671	$709	$30.93	$29.83 - $32.31
Q1 2017	19,674	$779	$29.08	$27.58 - $30.63
Q4 2016	18,284	$692	$27.74	$26.27 - $29.13
Q3 2016	16,702	$639	$29.26	$27.72 - $30.41
Q2 2016	15,069	$598	$27.46	$25.25 - $29.85
Q1 2016	7,310	$542	$24.74	$22.13 - $27.34
Q4 2015	7,310	$456	$21.84	$20.45 - $23.41
Q3 2015	7,310	$427	$21.20	$19.59 - $22.72
Q2 2015	7,190	$415	$21.63	$20.41 - $22.74
Q1 2015	8,378	$527	$23.04	$21.25 - $25.01
Q4 2014	9,128	$606	$21.73	$19.32 - $24.55
Q3 2014	9,128	$505	$20.07	$19.08 - $21.06
Q2 2014	10,923	$664	$19.98	$19.02 - $21.06
Q1 2014	10,893	$618	$18.07	$16.97 - $19.54
Q4 2013	12,889	$665	$17.48	$16.43 - $18.23
Q3 2013	12,977	$643	$17.15	$16.21 - $18.15
Q2 2013	14,477	$729	$16.89	$15.60 - $17.85