ALLIANT ENERGY CORP

Ticker: LNT CUSIP: 018802108 Class: COM

STRS OHIO's Holding History (CIK: 0000820478)

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

Q4 2025

Shares 6,153 Value ($000) $400 Avg Close $66.83 Range $64.30 - $69.59

Q3 2025

Shares 6,142 Value ($000) $414 Avg Close $63.88 Range $59.07 - $67.04

Q2 2025

Shares 44,132 Value ($000) $2,669 Avg Close $60.10 Range $55.76 - $64.19

Q1 2025

Shares 35,638 Value ($000) $2,293 Avg Close $59.57 Range $54.52 - $64.99

Q4 2024

Shares 52,793 Value ($000) $3,122 Avg Close $58.37 Range $54.30 - $62.16

Q3 2024

Shares 32,115 Value ($000) $1,949 Avg Close $54.38 Range $48.12 - $58.63

Q4 2023

Shares 37,813 Value ($000) $2 Avg Close $46.45 Range $41.77 - $50.29

Q3 2023

Shares 41,214 Value ($000) $2 Avg Close $47.84 Range $44.23 - $51.62

Q2 2023

Shares 32,570 Value ($000) $2 Avg Close $49.05 Range $46.13 - $51.23

Q1 2023

Shares 37,796 Value ($000) $2 Avg Close $48.28 Range $45.19 - $50.77

Q4 2022

Shares 43,172 Value ($000) $2 Avg Close $48.07 Range $42.22 - $51.90

Q3 2022

Shares 43,640 Value ($000) $2,312 Avg Close $53.87 Range $47.25 - $57.82

Q2 2022

Shares 43,167 Value ($000) $2,530 Avg Close $53.50 Range $48.14 - $57.66

Q1 2022

Shares 55,933 Value ($000) $3,494 Avg Close $52.37 Range $48.33 - $55.78

Q4 2021

Shares 53,810 Value ($000) $3,307 Avg Close $50.05 Range $47.35 - $54.07

Q3 2021

Shares 12,153 Value ($000) $680 Avg Close $51.28 Range $47.64 - $54.21

Q2 2021

Shares 15,019 Value ($000) $837 Avg Close $48.83 Range $45.94 - $51.03

Q1 2021

Shares 21,853 Value ($000) $1,183 Avg Close $42.55 Range $39.42 - $47.06

Q4 2020

Shares 59,479 Value ($000) $3,064 Avg Close $45.61 Range $40.48 - $49.39

Q3 2020

Shares 147,980 Value ($000) $7,643 Avg Close $44.02 Range $39.84 - $46.94

Q2 2020

Shares 159,264 Value ($000) $7,619 Avg Close $40.72 Range $36.29 - $45.31

Q1 2020

Shares 132,595 Value ($000) $6,403 Avg Close $45.48 Range $31.34 - $50.16

Q4 2019

Shares 40,362 Value ($000) $2,208 Avg Close $43.82 Range $42.11 - $45.80

Q3 2019

Shares 37,184 Value ($000) $2,005 Avg Close $42.08 Range $39.53 - $44.83

Q2 2019

Shares 35,037 Value ($000) $1,719 Avg Close $38.79 Range $37.00 - $40.91

Q1 2019

Shares 41,822 Value ($000) $1,971 Avg Close $36.14 Range $32.70 - $38.77

Q4 2018

Shares 55,300 Value ($000) $2,336 Avg Close $35.19 Range $32.65 - $37.38

Q3 2018

Shares 54,418 Value ($000) $2,316 Avg Close $34.13 Range $32.72 - $35.18

Q2 2018

Shares 53,523 Value ($000) $2,265 Avg Close $32.46 Range $30.20 - $34.35

Q1 2018

Shares 67,302 Value ($000) $2,749 Avg Close $30.84 Range $28.88 - $33.21

Q4 2017

Shares 54,679 Value ($000) $2,329 Avg Close $33.80 Range $31.68 - $35.41

Q3 2017

Shares 47,315 Value ($000) $1,966 Avg Close $32.04 Range $30.14 - $33.72

Q2 2017

Shares 46,385 Value ($000) $1,863 Avg Close $30.93 Range $29.83 - $32.31

Q1 2017

Shares 42,945 Value ($000) $1,701 Avg Close $29.08 Range $27.58 - $30.63

Q4 2016

Shares 36,605 Value ($000) $1,386 Avg Close $27.74 Range $26.27 - $29.13

Q3 2016

Shares 29,478 Value ($000) $1,129 Avg Close $29.26 Range $27.72 - $30.41

Q2 2016

Shares 28,223 Value ($000) $1,120 Avg Close $27.46 Range $25.25 - $29.85

Q1 2016

Shares 9,459 Value ($000) $702 Avg Close $24.74 Range $22.13 - $27.34

Q4 2015

Shares 1,512 Value ($000) $94 Avg Close $21.84 Range $20.45 - $23.41

Q3 2015

Shares 2,249 Value ($000) $131 Avg Close $21.20 Range $19.59 - $22.72

Q4 2014

Shares 9,851 Value ($000) $654 Avg Close $21.73 Range $19.32 - $24.55

Q3 2014

Shares 9,851 Value ($000) $546 Avg Close $20.07 Range $19.08 - $21.06

Q2 2014

Shares 9,851 Value ($000) $600 Avg Close $19.98 Range $19.02 - $21.06

Q1 2014

Shares 9,851 Value ($000) $560 Avg Close $18.07 Range $16.97 - $19.54

Q4 2013

Shares 9,851 Value ($000) $508 Avg Close $17.48 Range $16.43 - $18.23

Q3 2013

Shares 160,851 Value ($000) $7,970 Avg Close $17.15 Range $16.21 - $18.15

Q2 2013

Shares 1,038,000 Value ($000) $52,336 Avg Close $16.89 Range $15.60 - $17.85

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	6,153	$400	$66.83	$64.30 - $69.59
Q3 2025	6,142	$414	$63.88	$59.07 - $67.04
Q2 2025	44,132	$2,669	$60.10	$55.76 - $64.19
Q1 2025	35,638	$2,293	$59.57	$54.52 - $64.99
Q4 2024	52,793	$3,122	$58.37	$54.30 - $62.16
Q3 2024	32,115	$1,949	$54.38	$48.12 - $58.63
Q4 2023	37,813	$2	$46.45	$41.77 - $50.29
Q3 2023	41,214	$2	$47.84	$44.23 - $51.62
Q2 2023	32,570	$2	$49.05	$46.13 - $51.23
Q1 2023	37,796	$2	$48.28	$45.19 - $50.77
Q4 2022	43,172	$2	$48.07	$42.22 - $51.90
Q3 2022	43,640	$2,312	$53.87	$47.25 - $57.82
Q2 2022	43,167	$2,530	$53.50	$48.14 - $57.66
Q1 2022	55,933	$3,494	$52.37	$48.33 - $55.78
Q4 2021	53,810	$3,307	$50.05	$47.35 - $54.07
Q3 2021	12,153	$680	$51.28	$47.64 - $54.21
Q2 2021	15,019	$837	$48.83	$45.94 - $51.03
Q1 2021	21,853	$1,183	$42.55	$39.42 - $47.06
Q4 2020	59,479	$3,064	$45.61	$40.48 - $49.39
Q3 2020	147,980	$7,643	$44.02	$39.84 - $46.94
Q2 2020	159,264	$7,619	$40.72	$36.29 - $45.31
Q1 2020	132,595	$6,403	$45.48	$31.34 - $50.16
Q4 2019	40,362	$2,208	$43.82	$42.11 - $45.80
Q3 2019	37,184	$2,005	$42.08	$39.53 - $44.83
Q2 2019	35,037	$1,719	$38.79	$37.00 - $40.91
Q1 2019	41,822	$1,971	$36.14	$32.70 - $38.77
Q4 2018	55,300	$2,336	$35.19	$32.65 - $37.38
Q3 2018	54,418	$2,316	$34.13	$32.72 - $35.18
Q2 2018	53,523	$2,265	$32.46	$30.20 - $34.35
Q1 2018	67,302	$2,749	$30.84	$28.88 - $33.21
Q4 2017	54,679	$2,329	$33.80	$31.68 - $35.41
Q3 2017	47,315	$1,966	$32.04	$30.14 - $33.72
Q2 2017	46,385	$1,863	$30.93	$29.83 - $32.31
Q1 2017	42,945	$1,701	$29.08	$27.58 - $30.63
Q4 2016	36,605	$1,386	$27.74	$26.27 - $29.13
Q3 2016	29,478	$1,129	$29.26	$27.72 - $30.41
Q2 2016	28,223	$1,120	$27.46	$25.25 - $29.85
Q1 2016	9,459	$702	$24.74	$22.13 - $27.34
Q4 2015	1,512	$94	$21.84	$20.45 - $23.41
Q3 2015	2,249	$131	$21.20	$19.59 - $22.72
Q4 2014	9,851	$654	$21.73	$19.32 - $24.55
Q3 2014	9,851	$546	$20.07	$19.08 - $21.06
Q2 2014	9,851	$600	$19.98	$19.02 - $21.06
Q1 2014	9,851	$560	$18.07	$16.97 - $19.54
Q4 2013	9,851	$508	$17.48	$16.43 - $18.23
Q3 2013	160,851	$7,970	$17.15	$16.21 - $18.15
Q2 2013	1,038,000	$52,336	$16.89	$15.60 - $17.85