ALLIANT ENERGY CORP

Ticker: LNT CUSIP: 018802108 Class: COM

NOMURA ASSET MANAGEMENT CO LTD's Holding History (CIK: 0001055964)

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

Q4 2025

Shares 89,427 Value ($000) $5,814 Avg Close $66.83 Range $64.30 - $69.59

Q3 2025

Shares 89,993 Value ($000) $6,066 Avg Close $63.88 Range $59.07 - $67.04

Q2 2025

Shares 85,071 Value ($000) $5,144 Avg Close $60.10 Range $55.76 - $64.19

Q1 2025

Shares 84,228 Value ($000) $5,420 Avg Close $59.57 Range $54.52 - $64.99

Q4 2024

Shares 77,871 Value ($000) $4,605 Avg Close $58.37 Range $54.30 - $62.16

Q3 2024

Shares 75,164 Value ($000) $4,562 Avg Close $54.38 Range $48.12 - $58.63

Q2 2024

Shares 73,760 Value ($000) $3,754 Avg Close $47.71 Range $44.54 - $49.81

Q1 2024

Shares 67,937 Value ($000) $3,424 Avg Close $46.11 Range $44.14 - $48.90

Q4 2023

Shares 67,500 Value ($000) $3,463 Avg Close $46.45 Range $41.77 - $50.29

Q3 2023

Shares 62,735 Value ($000) $3,040 Avg Close $47.84 Range $44.23 - $51.62

Q2 2023

Shares 63,942 Value ($000) $3,356 Avg Close $49.05 Range $46.13 - $51.23

Q1 2023

Shares 64,212 Value ($000) $3,429 Avg Close $48.28 Range $45.19 - $50.77

Q4 2022

Shares 63,711 Value ($000) $3,517 Avg Close $48.07 Range $42.22 - $51.90

Q3 2022

Shares 59,851 Value ($000) $3,172 Avg Close $53.87 Range $47.25 - $57.82

Q2 2022

Shares 63,385 Value ($000) $3,715 Avg Close $53.50 Range $48.14 - $57.66

Q1 2022

Shares 56,858 Value ($000) $3,552 Avg Close $52.37 Range $48.33 - $55.78

Q4 2021

Shares 53,152 Value ($000) $3,267 Avg Close $50.05 Range $47.35 - $54.07

Q3 2021

Shares 56,159 Value ($000) $3,144 Avg Close $51.28 Range $47.64 - $54.21

Q2 2021

Shares 49,218 Value ($000) $2,744 Avg Close $48.83 Range $45.94 - $51.03

Q1 2021

Shares 87,353 Value ($000) $4,731 Avg Close $42.55 Range $39.42 - $47.06

Q4 2020

Shares 97,590 Value ($000) $5,029 Avg Close $45.61 Range $40.48 - $49.39

Q3 2020

Shares 88,960 Value ($000) $4,595 Avg Close $44.02 Range $39.84 - $46.94

Q2 2020

Shares 85,371 Value ($000) $4,084 Avg Close $40.72 Range $36.29 - $45.31

Q1 2020

Shares 70,032 Value ($000) $3,382 Avg Close $45.48 Range $31.34 - $50.16

Q4 2019

Shares 66,032 Value ($000) $3,613 Avg Close $43.82 Range $42.11 - $45.80

Q3 2019

Shares 64,362 Value ($000) $3,471 Avg Close $42.08 Range $39.53 - $44.83

Q2 2019

Shares 58,996 Value ($000) $2,896 Avg Close $38.79 Range $37.00 - $40.91

Q1 2019

Shares 60,284 Value ($000) $2,842 Avg Close $36.14 Range $32.70 - $38.77

Q4 2018

Shares 116,916 Value ($000) $4,940 Avg Close $35.19 Range $32.65 - $37.38

Q3 2018

Shares 115,081 Value ($000) $4,899 Avg Close $34.13 Range $32.72 - $35.18

Q2 2018

Shares 113,568 Value ($000) $4,806 Avg Close $32.46 Range $30.20 - $34.35

Q1 2018

Shares 114,526 Value ($000) $4,680 Avg Close $30.84 Range $28.88 - $33.21

Q4 2017

Shares 78,219 Value ($000) $3,333 Avg Close $33.80 Range $31.68 - $35.41

Q3 2017

Shares 35,396 Value ($000) $1,472 Avg Close $32.04 Range $30.14 - $33.72

Q2 2017

Shares 32,919 Value ($000) $1,322 Avg Close $30.93 Range $29.83 - $32.31

Q1 2017

Shares 32,246 Value ($000) $1,278 Avg Close $29.08 Range $27.58 - $30.63

Q4 2016

Shares 30,526 Value ($000) $1,157 Avg Close $27.74 Range $26.27 - $29.13

Q3 2016

Shares 29,826 Value ($000) $1,143 Avg Close $29.26 Range $27.72 - $30.41

Q2 2016

Shares 28,526 Value ($000) $1,132 Avg Close $27.46 Range $25.25 - $29.85

Q1 2016

Shares 14,463 Value ($000) $1,074 Avg Close $24.74 Range $22.13 - $27.34

Q4 2015

Shares 13,723 Value ($000) $857 Avg Close $21.84 Range $20.45 - $23.41

Q3 2015

Shares 13,723 Value ($000) $803 Avg Close $21.20 Range $19.59 - $22.72

Q2 2015

Shares 13,510 Value ($000) $780 Avg Close $21.63 Range $20.41 - $22.74

Q1 2015

Shares 13,810 Value ($000) $870 Avg Close $23.04 Range $21.25 - $25.01

Q4 2014

Shares 14,060 Value ($000) $950 Avg Close $21.73 Range $19.32 - $24.55

Q3 2014

Shares 14,800 Value ($000) $820 Avg Close $20.07 Range $19.08 - $21.06

Q2 2014

Shares 14,750 Value ($000) $898 Avg Close $19.98 Range $19.02 - $21.06

Q1 2014

Shares 15,150 Value ($000) $861 Avg Close $18.07 Range $16.97 - $19.54

Q4 2013

Shares 15,450 Value ($000) $797 Avg Close $17.48 Range $16.43 - $18.23

Q3 2013

Shares 16,400 Value ($000) $813 Avg Close $17.15 Range $16.21 - $18.15

Q2 2013

Shares 23,901 Value ($000) $1,205 Avg Close $16.89 Range $15.60 - $17.85

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	89,427	$5,814	$66.83	$64.30 - $69.59
Q3 2025	89,993	$6,066	$63.88	$59.07 - $67.04
Q2 2025	85,071	$5,144	$60.10	$55.76 - $64.19
Q1 2025	84,228	$5,420	$59.57	$54.52 - $64.99
Q4 2024	77,871	$4,605	$58.37	$54.30 - $62.16
Q3 2024	75,164	$4,562	$54.38	$48.12 - $58.63
Q2 2024	73,760	$3,754	$47.71	$44.54 - $49.81
Q1 2024	67,937	$3,424	$46.11	$44.14 - $48.90
Q4 2023	67,500	$3,463	$46.45	$41.77 - $50.29
Q3 2023	62,735	$3,040	$47.84	$44.23 - $51.62
Q2 2023	63,942	$3,356	$49.05	$46.13 - $51.23
Q1 2023	64,212	$3,429	$48.28	$45.19 - $50.77
Q4 2022	63,711	$3,517	$48.07	$42.22 - $51.90
Q3 2022	59,851	$3,172	$53.87	$47.25 - $57.82
Q2 2022	63,385	$3,715	$53.50	$48.14 - $57.66
Q1 2022	56,858	$3,552	$52.37	$48.33 - $55.78
Q4 2021	53,152	$3,267	$50.05	$47.35 - $54.07
Q3 2021	56,159	$3,144	$51.28	$47.64 - $54.21
Q2 2021	49,218	$2,744	$48.83	$45.94 - $51.03
Q1 2021	87,353	$4,731	$42.55	$39.42 - $47.06
Q4 2020	97,590	$5,029	$45.61	$40.48 - $49.39
Q3 2020	88,960	$4,595	$44.02	$39.84 - $46.94
Q2 2020	85,371	$4,084	$40.72	$36.29 - $45.31
Q1 2020	70,032	$3,382	$45.48	$31.34 - $50.16
Q4 2019	66,032	$3,613	$43.82	$42.11 - $45.80
Q3 2019	64,362	$3,471	$42.08	$39.53 - $44.83
Q2 2019	58,996	$2,896	$38.79	$37.00 - $40.91
Q1 2019	60,284	$2,842	$36.14	$32.70 - $38.77
Q4 2018	116,916	$4,940	$35.19	$32.65 - $37.38
Q3 2018	115,081	$4,899	$34.13	$32.72 - $35.18
Q2 2018	113,568	$4,806	$32.46	$30.20 - $34.35
Q1 2018	114,526	$4,680	$30.84	$28.88 - $33.21
Q4 2017	78,219	$3,333	$33.80	$31.68 - $35.41
Q3 2017	35,396	$1,472	$32.04	$30.14 - $33.72
Q2 2017	32,919	$1,322	$30.93	$29.83 - $32.31
Q1 2017	32,246	$1,278	$29.08	$27.58 - $30.63
Q4 2016	30,526	$1,157	$27.74	$26.27 - $29.13
Q3 2016	29,826	$1,143	$29.26	$27.72 - $30.41
Q2 2016	28,526	$1,132	$27.46	$25.25 - $29.85
Q1 2016	14,463	$1,074	$24.74	$22.13 - $27.34
Q4 2015	13,723	$857	$21.84	$20.45 - $23.41
Q3 2015	13,723	$803	$21.20	$19.59 - $22.72
Q2 2015	13,510	$780	$21.63	$20.41 - $22.74
Q1 2015	13,810	$870	$23.04	$21.25 - $25.01
Q4 2014	14,060	$950	$21.73	$19.32 - $24.55
Q3 2014	14,800	$820	$20.07	$19.08 - $21.06
Q2 2014	14,750	$898	$19.98	$19.02 - $21.06
Q1 2014	15,150	$861	$18.07	$16.97 - $19.54
Q4 2013	15,450	$797	$17.48	$16.43 - $18.23
Q3 2013	16,400	$813	$17.15	$16.21 - $18.15
Q2 2013	23,901	$1,205	$16.89	$15.60 - $17.85