ALLIANT ENERGY CORP

Ticker: LNT CUSIP: 018802108 Class: COM

DekaBank Deutsche Girozentrale's Holding History (CIK: 0001456228)

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

Q4 2025

Shares 52,190 Value ($000) $3 Avg Close $66.83 Range $64.30 - $69.59

Q3 2025

Shares 52,190 Value ($000) $3 Avg Close $63.88 Range $59.07 - $67.04

Q2 2025

Shares 52,190 Value ($000) $3 Avg Close $60.10 Range $55.76 - $64.19

Q1 2025

Shares 52,049 Value ($000) $3 Avg Close $59.57 Range $54.52 - $64.99

Q4 2024

Shares 52,190 Value ($000) $3 Avg Close $58.37 Range $54.30 - $62.16

Q3 2024

Shares 52,190 Value ($000) $3 Avg Close $54.38 Range $48.12 - $58.63

Q2 2024

Shares 41,025 Value ($000) $2 Avg Close $47.71 Range $44.54 - $49.81

Q1 2024

Shares 52,049 Value ($000) $3 Avg Close $46.11 Range $44.14 - $48.90

Q4 2023

Shares 50,629 Value ($000) $3 Avg Close $46.45 Range $41.77 - $50.29

Q3 2023

Shares 47,791 Value ($000) $2 Avg Close $47.84 Range $44.23 - $51.62

Q2 2023

Shares 57,260 Value ($000) $3 Avg Close $49.05 Range $46.13 - $51.23

Q1 2023

Shares 65,667 Value ($000) $3 Avg Close $48.28 Range $45.19 - $50.77

Q4 2022

Shares 65,708 Value ($000) $4 Avg Close $48.07 Range $42.22 - $51.90

Q3 2022

Shares 58,594 Value ($000) $3,155 Avg Close $53.87 Range $47.25 - $57.82

Q2 2022

Shares 55,153 Value ($000) $3,171 Avg Close $53.50 Range $48.14 - $57.66

Q1 2022

Shares 56,022 Value ($000) $3,553 Avg Close $52.37 Range $48.33 - $55.78

Q4 2021

Shares 58,882 Value ($000) $3,574 Avg Close $50.05 Range $47.35 - $54.07

Q3 2021

Shares 66,091 Value ($000) $3,768 Avg Close $51.28 Range $47.64 - $54.21

Q2 2021

Shares 58,903 Value ($000) $3,269 Avg Close $48.83 Range $45.94 - $51.03

Q1 2021

Shares 42,772 Value ($000) $2,322 Avg Close $42.55 Range $39.42 - $47.06

Q4 2020

Shares 35,261 Value ($000) $1,778 Avg Close $45.61 Range $40.48 - $49.39

Q3 2020

Shares 33,070 Value ($000) $1,675 Avg Close $44.02 Range $39.84 - $46.94

Q2 2020

Shares 35,505 Value ($000) $1,683 Avg Close $40.72 Range $36.29 - $45.31

Q1 2020

Shares 51,815 Value ($000) $2,604 Avg Close $45.48 Range $31.34 - $50.16

Q4 2019

Shares 47,014 Value ($000) $2,549 Avg Close $43.82 Range $42.11 - $45.80

Q3 2019

Shares 251,097 Value ($000) $13,599 Avg Close $42.08 Range $39.53 - $44.83

Q2 2019

Shares 76,243 Value ($000) $3,771 Avg Close $38.79 Range $37.00 - $40.91

Q1 2019

Shares 40,332 Value ($000) $1,780 Avg Close $36.14 Range $32.70 - $38.77

Q4 2018

Shares 53,171 Value ($000) $2,269 Avg Close $35.19 Range $32.65 - $37.38

Q3 2018

Shares 40,332 Value ($000) $1,780 Avg Close $34.13 Range $32.72 - $35.18

Q2 2018

Shares 40,236 Value ($000) $1,741 Avg Close $32.46 Range $30.20 - $34.35

Q1 2018

Shares 42,927 Value ($000) $1,798 Avg Close $30.84 Range $28.88 - $33.21

Q4 2017

Shares 29,594 Value ($000) $1,295 Avg Close $33.80 Range $31.68 - $35.41

Q3 2017

Shares 29,594 Value ($000) $1,295 Avg Close $32.04 Range $30.14 - $33.72

Q2 2017

Shares 28,418 Value ($000) $1,189 Avg Close $30.93 Range $29.83 - $32.31

Q1 2017

Shares 26,683 Value ($000) $1,084 Avg Close $29.08 Range $27.58 - $30.63

Q4 2016

Shares 20,312 Value ($000) $765 Avg Close $27.74 Range $26.27 - $29.13

Q3 2016

Shares 24,035 Value ($000) $930 Avg Close $29.26 Range $27.72 - $30.41

Q2 2016

Shares 59,180 Value ($000) $2,357 Avg Close $27.46 Range $25.25 - $29.85

Q1 2016

Shares 55,733 Value ($000) $4,117 Avg Close $24.74 Range $22.13 - $27.34

Q4 2015

Shares 61,940 Value ($000) $3,931 Avg Close $21.84 Range $20.45 - $23.41

Q3 2015

Shares 38,052 Value ($000) $2,209 Avg Close $21.20 Range $19.59 - $22.72

Q2 2015

Shares 44,418 Value ($000) $2,571 Avg Close $21.63 Range $20.41 - $22.74

Q1 2015

Shares 57,894 Value ($000) $3,617 Avg Close $23.04 Range $21.25 - $25.01

Q4 2014

Shares 56,832 Value ($000) $3,925 Avg Close $21.73 Range $19.32 - $24.55

Q3 2014

Shares 37,612 Value ($000) $2,087 Avg Close $20.07 Range $19.08 - $21.06

Q2 2014

Shares 59,194 Value ($000) $3,557 Avg Close $19.98 Range $19.02 - $21.06

Q1 2014

Shares 55,307 Value ($000) $3,103 Avg Close $18.07 Range $16.97 - $19.54

Q4 2013

Shares 47,596 Value ($000) $2,457 Avg Close $17.48 Range $16.43 - $18.23

Q3 2013

Shares 47,596 Value ($000) $2,354 Avg Close $17.15 Range $16.21 - $18.15

Q2 2013

Shares 60,222 Value ($000) $2,999 Avg Close $16.89 Range $15.60 - $17.85

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	52,190	$3	$66.83	$64.30 - $69.59
Q3 2025	52,190	$3	$63.88	$59.07 - $67.04
Q2 2025	52,190	$3	$60.10	$55.76 - $64.19
Q1 2025	52,049	$3	$59.57	$54.52 - $64.99
Q4 2024	52,190	$3	$58.37	$54.30 - $62.16
Q3 2024	52,190	$3	$54.38	$48.12 - $58.63
Q2 2024	41,025	$2	$47.71	$44.54 - $49.81
Q1 2024	52,049	$3	$46.11	$44.14 - $48.90
Q4 2023	50,629	$3	$46.45	$41.77 - $50.29
Q3 2023	47,791	$2	$47.84	$44.23 - $51.62
Q2 2023	57,260	$3	$49.05	$46.13 - $51.23
Q1 2023	65,667	$3	$48.28	$45.19 - $50.77
Q4 2022	65,708	$4	$48.07	$42.22 - $51.90
Q3 2022	58,594	$3,155	$53.87	$47.25 - $57.82
Q2 2022	55,153	$3,171	$53.50	$48.14 - $57.66
Q1 2022	56,022	$3,553	$52.37	$48.33 - $55.78
Q4 2021	58,882	$3,574	$50.05	$47.35 - $54.07
Q3 2021	66,091	$3,768	$51.28	$47.64 - $54.21
Q2 2021	58,903	$3,269	$48.83	$45.94 - $51.03
Q1 2021	42,772	$2,322	$42.55	$39.42 - $47.06
Q4 2020	35,261	$1,778	$45.61	$40.48 - $49.39
Q3 2020	33,070	$1,675	$44.02	$39.84 - $46.94
Q2 2020	35,505	$1,683	$40.72	$36.29 - $45.31
Q1 2020	51,815	$2,604	$45.48	$31.34 - $50.16
Q4 2019	47,014	$2,549	$43.82	$42.11 - $45.80
Q3 2019	251,097	$13,599	$42.08	$39.53 - $44.83
Q2 2019	76,243	$3,771	$38.79	$37.00 - $40.91
Q1 2019	40,332	$1,780	$36.14	$32.70 - $38.77
Q4 2018	53,171	$2,269	$35.19	$32.65 - $37.38
Q3 2018	40,332	$1,780	$34.13	$32.72 - $35.18
Q2 2018	40,236	$1,741	$32.46	$30.20 - $34.35
Q1 2018	42,927	$1,798	$30.84	$28.88 - $33.21
Q4 2017	29,594	$1,295	$33.80	$31.68 - $35.41
Q3 2017	29,594	$1,295	$32.04	$30.14 - $33.72
Q2 2017	28,418	$1,189	$30.93	$29.83 - $32.31
Q1 2017	26,683	$1,084	$29.08	$27.58 - $30.63
Q4 2016	20,312	$765	$27.74	$26.27 - $29.13
Q3 2016	24,035	$930	$29.26	$27.72 - $30.41
Q2 2016	59,180	$2,357	$27.46	$25.25 - $29.85
Q1 2016	55,733	$4,117	$24.74	$22.13 - $27.34
Q4 2015	61,940	$3,931	$21.84	$20.45 - $23.41
Q3 2015	38,052	$2,209	$21.20	$19.59 - $22.72
Q2 2015	44,418	$2,571	$21.63	$20.41 - $22.74
Q1 2015	57,894	$3,617	$23.04	$21.25 - $25.01
Q4 2014	56,832	$3,925	$21.73	$19.32 - $24.55
Q3 2014	37,612	$2,087	$20.07	$19.08 - $21.06
Q2 2014	59,194	$3,557	$19.98	$19.02 - $21.06
Q1 2014	55,307	$3,103	$18.07	$16.97 - $19.54
Q4 2013	47,596	$2,457	$17.48	$16.43 - $18.23
Q3 2013	47,596	$2,354	$17.15	$16.21 - $18.15
Q2 2013	60,222	$2,999	$16.89	$15.60 - $17.85