ALLIANT ENERGY CORP

Ticker: LNT CUSIP: 018802108 Class: COM

D L CARLSON INVESTMENT GROUP INC's Holding History (CIK: 0001021117)

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

Q4 2025

Shares 4,301 Value ($000) $280 Avg Close $66.83 Range $64.30 - $69.59

Q3 2025

Shares 4,301 Value ($000) $290 Avg Close $63.88 Range $59.07 - $67.04

Q2 2025

Shares 4,307 Value ($000) $260 Avg Close $60.10 Range $55.76 - $64.19

Q1 2025

Shares 4,397 Value ($000) $283 Avg Close $59.57 Range $54.52 - $64.99

Q4 2024

Shares 4,398 Value ($000) $260 Avg Close $58.37 Range $54.30 - $62.16

Q3 2024

Shares 4,448 Value ($000) $270 Avg Close $54.38 Range $48.12 - $58.63

Q2 2024

Shares 4,411 Value ($000) $225 Avg Close $47.71 Range $44.54 - $49.81

Q1 2024

Shares 14,214 Value ($000) $716 Avg Close $46.11 Range $44.14 - $48.90

Q4 2023

Shares 14,510 Value ($000) $702 Avg Close $46.45 Range $41.77 - $50.29

Q3 2023

Shares 17,057 Value ($000) $826 Avg Close $47.84 Range $44.23 - $51.62

Q2 2023

Shares 18,120 Value ($000) $951 Avg Close $49.05 Range $46.13 - $51.23

Q1 2023

Shares 19,461 Value ($000) $1 Avg Close $48.28 Range $45.19 - $50.77

Q4 2022

Shares 21,501 Value ($000) $1 Avg Close $48.07 Range $42.22 - $51.90

Q3 2022

Shares 21,604 Value ($000) $1,145 Avg Close $53.87 Range $47.25 - $57.82

Q2 2022

Shares 22,748 Value ($000) $1,333 Avg Close $53.50 Range $48.14 - $57.66

Q1 2022

Shares 22,915 Value ($000) $1,432 Avg Close $52.37 Range $48.33 - $55.78

Q4 2021

Shares 23,305 Value ($000) $1,433 Avg Close $50.05 Range $47.35 - $54.07

Q3 2021

Shares 23,863 Value ($000) $1,336 Avg Close $51.28 Range $47.64 - $54.21

Q2 2021

Shares 23,988 Value ($000) $1,338 Avg Close $48.83 Range $45.94 - $51.03

Q1 2021

Shares 24,788 Value ($000) $1,343 Avg Close $42.55 Range $39.42 - $47.06

Q4 2020

Shares 71,879 Value ($000) $3,704 Avg Close $45.61 Range $40.48 - $49.39

Q3 2020

Shares 69,427 Value ($000) $3,586 Avg Close $44.02 Range $39.84 - $46.94

Q2 2020

Shares 51,942 Value ($000) $2,485 Avg Close $40.72 Range $36.29 - $45.31

Q1 2020

Shares 52,053 Value ($000) $2,514 Avg Close $45.48 Range $31.34 - $50.16

Q4 2019

Shares 48,023 Value ($000) $2,628 Avg Close $43.82 Range $42.11 - $45.80

Q3 2019

Shares 48,983 Value ($000) $2,642 Avg Close $42.08 Range $39.53 - $44.83

Q2 2019

Shares 49,320 Value ($000) $2,421 Avg Close $38.79 Range $37.00 - $40.91

Q1 2019

Shares 54,530 Value ($000) $2,570 Avg Close $36.14 Range $32.70 - $38.77

Q4 2018

Shares 56,620 Value ($000) $2,392 Avg Close $35.19 Range $32.65 - $37.38

Q3 2018

Shares 56,920 Value ($000) $2,423 Avg Close $34.13 Range $32.72 - $35.18

Q2 2018

Shares 57,225 Value ($000) $2,422 Avg Close $32.46 Range $30.20 - $34.35

Q1 2018

Shares 57,830 Value ($000) $2,363 Avg Close $30.84 Range $28.88 - $33.21

Q4 2017

Shares 67,695 Value ($000) $2,884 Avg Close $33.80 Range $31.68 - $35.41

Q3 2017

Shares 69,525 Value ($000) $2,890 Avg Close $32.04 Range $30.14 - $33.72

Q2 2017

Shares 69,825 Value ($000) $2,805 Avg Close $30.93 Range $29.83 - $32.31

Q1 2017

Shares 69,825 Value ($000) $2,766 Avg Close $29.08 Range $27.58 - $30.63

Q4 2016

Shares 71,015 Value ($000) $2,691 Avg Close $27.74 Range $26.27 - $29.13

Q3 2016

Shares 72,015 Value ($000) $2,759 Avg Close $29.26 Range $27.72 - $30.41

Q2 2016

Shares 77,150 Value ($000) $3,063 Avg Close $27.46 Range $25.25 - $29.85

Q1 2016

Shares 38,950 Value ($000) $2,893 Avg Close $24.74 Range $22.13 - $27.34

Q4 2015

Shares 33,340 Value ($000) $2,082 Avg Close $21.84 Range $20.45 - $23.41

Q3 2015

Shares 32,740 Value ($000) $1,915 Avg Close $21.20 Range $19.59 - $22.72

Q2 2015

Shares 34,740 Value ($000) $2,005 Avg Close $21.63 Range $20.41 - $22.74

Q1 2015

Shares 34,665 Value ($000) $2,184 Avg Close $23.04 Range $21.25 - $25.01

Q4 2014

Shares 34,740 Value ($000) $2,307 Avg Close $21.73 Range $19.32 - $24.55

Q3 2014

Shares 39,190 Value ($000) $2,172 Avg Close $20.07 Range $19.08 - $21.06

Q2 2014

Shares 38,330 Value ($000) $2,333 Avg Close $19.98 Range $19.02 - $21.06

Q1 2014

Shares 39,230 Value ($000) $2,229 Avg Close $18.07 Range $16.97 - $19.54

Q4 2013

Shares 40,800 Value ($000) $2,105 Avg Close $17.48 Range $16.43 - $18.23

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	4,301	$280	$66.83	$64.30 - $69.59
Q3 2025	4,301	$290	$63.88	$59.07 - $67.04
Q2 2025	4,307	$260	$60.10	$55.76 - $64.19
Q1 2025	4,397	$283	$59.57	$54.52 - $64.99
Q4 2024	4,398	$260	$58.37	$54.30 - $62.16
Q3 2024	4,448	$270	$54.38	$48.12 - $58.63
Q2 2024	4,411	$225	$47.71	$44.54 - $49.81
Q1 2024	14,214	$716	$46.11	$44.14 - $48.90
Q4 2023	14,510	$702	$46.45	$41.77 - $50.29
Q3 2023	17,057	$826	$47.84	$44.23 - $51.62
Q2 2023	18,120	$951	$49.05	$46.13 - $51.23
Q1 2023	19,461	$1	$48.28	$45.19 - $50.77
Q4 2022	21,501	$1	$48.07	$42.22 - $51.90
Q3 2022	21,604	$1,145	$53.87	$47.25 - $57.82
Q2 2022	22,748	$1,333	$53.50	$48.14 - $57.66
Q1 2022	22,915	$1,432	$52.37	$48.33 - $55.78
Q4 2021	23,305	$1,433	$50.05	$47.35 - $54.07
Q3 2021	23,863	$1,336	$51.28	$47.64 - $54.21
Q2 2021	23,988	$1,338	$48.83	$45.94 - $51.03
Q1 2021	24,788	$1,343	$42.55	$39.42 - $47.06
Q4 2020	71,879	$3,704	$45.61	$40.48 - $49.39
Q3 2020	69,427	$3,586	$44.02	$39.84 - $46.94
Q2 2020	51,942	$2,485	$40.72	$36.29 - $45.31
Q1 2020	52,053	$2,514	$45.48	$31.34 - $50.16
Q4 2019	48,023	$2,628	$43.82	$42.11 - $45.80
Q3 2019	48,983	$2,642	$42.08	$39.53 - $44.83
Q2 2019	49,320	$2,421	$38.79	$37.00 - $40.91
Q1 2019	54,530	$2,570	$36.14	$32.70 - $38.77
Q4 2018	56,620	$2,392	$35.19	$32.65 - $37.38
Q3 2018	56,920	$2,423	$34.13	$32.72 - $35.18
Q2 2018	57,225	$2,422	$32.46	$30.20 - $34.35
Q1 2018	57,830	$2,363	$30.84	$28.88 - $33.21
Q4 2017	67,695	$2,884	$33.80	$31.68 - $35.41
Q3 2017	69,525	$2,890	$32.04	$30.14 - $33.72
Q2 2017	69,825	$2,805	$30.93	$29.83 - $32.31
Q1 2017	69,825	$2,766	$29.08	$27.58 - $30.63
Q4 2016	71,015	$2,691	$27.74	$26.27 - $29.13
Q3 2016	72,015	$2,759	$29.26	$27.72 - $30.41
Q2 2016	77,150	$3,063	$27.46	$25.25 - $29.85
Q1 2016	38,950	$2,893	$24.74	$22.13 - $27.34
Q4 2015	33,340	$2,082	$21.84	$20.45 - $23.41
Q3 2015	32,740	$1,915	$21.20	$19.59 - $22.72
Q2 2015	34,740	$2,005	$21.63	$20.41 - $22.74
Q1 2015	34,665	$2,184	$23.04	$21.25 - $25.01
Q4 2014	34,740	$2,307	$21.73	$19.32 - $24.55
Q3 2014	39,190	$2,172	$20.07	$19.08 - $21.06
Q2 2014	38,330	$2,333	$19.98	$19.02 - $21.06
Q1 2014	39,230	$2,229	$18.07	$16.97 - $19.54
Q4 2013	40,800	$2,105	$17.48	$16.43 - $18.23