ALLIANT ENERGY CORP

Ticker: LNT CUSIP: 018802108 Class: COM

Arizona State Retirement System's Holding History (CIK: 0001558481)

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

Q4 2025

Shares 70,502 Value ($000) $4,583 Avg Close $66.83 Range $64.30 - $69.59

Q3 2025

Shares 75,828 Value ($000) $5,112 Avg Close $63.88 Range $59.07 - $67.04

Q2 2025

Shares 75,056 Value ($000) $4,539 Avg Close $60.10 Range $55.76 - $64.19

Q1 2025

Shares 74,199 Value ($000) $4,775 Avg Close $59.57 Range $54.52 - $64.99

Q4 2024

Shares 74,466 Value ($000) $4,404 Avg Close $58.37 Range $54.30 - $62.16

Q3 2024

Shares 73,453 Value ($000) $4,458 Avg Close $54.38 Range $48.12 - $58.63

Q2 2024

Shares 70,426 Value ($000) $3,585 Avg Close $47.71 Range $44.54 - $49.81

Q1 2024

Shares 70,187 Value ($000) $3,537 Avg Close $46.11 Range $44.14 - $48.90

Q4 2023

Shares 69,457 Value ($000) $3,563 Avg Close $46.45 Range $41.77 - $50.29

Q3 2023

Shares 68,583 Value ($000) $3,323 Avg Close $47.84 Range $44.23 - $51.62

Q2 2023

Shares 68,538 Value ($000) $3,597 Avg Close $49.05 Range $46.13 - $51.23

Q1 2023

Shares 72,979 Value ($000) $3,897 Avg Close $48.28 Range $45.19 - $50.77

Q4 2022

Shares 71,026 Value ($000) $3,921 Avg Close $48.07 Range $42.22 - $51.90

Q3 2022

Shares 68,865 Value ($000) $3,649 Avg Close $53.87 Range $47.25 - $57.82

Q2 2022

Shares 69,907 Value ($000) $4,097 Avg Close $53.50 Range $48.14 - $57.66

Q1 2022

Shares 69,690 Value ($000) $4,354 Avg Close $52.37 Range $48.33 - $55.78

Q4 2021

Shares 68,137 Value ($000) $4,188 Avg Close $50.05 Range $47.35 - $54.07

Q3 2021

Shares 70,197 Value ($000) $3,930 Avg Close $51.28 Range $47.64 - $54.21

Q2 2021

Shares 70,628 Value ($000) $3,938 Avg Close $48.83 Range $45.94 - $51.03

Q1 2021

Shares 72,012 Value ($000) $3,900 Avg Close $42.55 Range $39.42 - $47.06

Q4 2020

Shares 71,585 Value ($000) $3,689 Avg Close $45.61 Range $40.48 - $49.39

Q3 2020

Shares 75,920 Value ($000) $3,921 Avg Close $44.02 Range $39.84 - $46.94

Q2 2020

Shares 57,077 Value ($000) $2,731 Avg Close $40.72 Range $36.29 - $45.31

Q1 2020

Shares 116,169 Value ($000) $5,610 Avg Close $45.48 Range $31.34 - $50.16

Q4 2019

Shares 146,865 Value ($000) $8,036 Avg Close $43.82 Range $42.11 - $45.80

Q3 2019

Shares 145,001 Value ($000) $7,820 Avg Close $42.08 Range $39.53 - $44.83

Q2 2019

Shares 143,831 Value ($000) $7,059 Avg Close $38.79 Range $37.00 - $40.91

Q1 2019

Shares 165,522 Value ($000) $7,801 Avg Close $36.14 Range $32.70 - $38.77

Q4 2018

Shares 174,930 Value ($000) $7,391 Avg Close $35.19 Range $32.65 - $37.38

Q3 2018

Shares 249,349 Value ($000) $10,615 Avg Close $34.13 Range $32.72 - $35.18

Q2 2018

Shares 241,627 Value ($000) $10,226 Avg Close $32.46 Range $30.20 - $34.35

Q1 2018

Shares 265,277 Value ($000) $10,839 Avg Close $30.84 Range $28.88 - $33.21

Q4 2017

Shares 256,977 Value ($000) $10,950 Avg Close $33.80 Range $31.68 - $35.41

Q3 2017

Shares 208,877 Value ($000) $8,683 Avg Close $32.04 Range $30.14 - $33.72

Q2 2017

Shares 74,330 Value ($000) $2,986 Avg Close $30.93 Range $29.83 - $32.31

Q1 2017

Shares 75,330 Value ($000) $2,984 Avg Close $29.08 Range $27.58 - $30.63

Q4 2016

Shares 75,030 Value ($000) $2,843 Avg Close $27.74 Range $26.27 - $29.13

Q3 2016

Shares 73,530 Value ($000) $2,817 Avg Close $29.26 Range $27.72 - $30.41

Q2 2016

Shares 112,300 Value ($000) $4,458 Avg Close $27.46 Range $25.25 - $29.85

Q1 2016

Shares 66,000 Value ($000) $4,902 Avg Close $24.74 Range $22.13 - $27.34

Q4 2015

Shares 65,800 Value ($000) $4,109 Avg Close $21.84 Range $20.45 - $23.41

Q3 2015

Shares 64,816 Value ($000) $3,791 Avg Close $21.20 Range $19.59 - $22.72

Q4 2014

Shares 90,587 Value ($000) $6,016 Avg Close $21.73 Range $19.32 - $24.55

Q3 2014

Shares 85,987 Value ($000) $4,764 Avg Close $20.07 Range $19.08 - $21.06

Q2 2014

Shares 88,287 Value ($000) $5,373 Avg Close $19.98 Range $19.02 - $21.06

Q1 2014

Shares 88,587 Value ($000) $5,032 Avg Close $18.07 Range $16.97 - $19.54

Q4 2013

Shares 97,287 Value ($000) $5,020 Avg Close $17.48 Range $16.43 - $18.23

Q3 2013

Shares 103,087 Value ($000) $5,107 Avg Close $17.15 Range $16.21 - $18.15

Q2 2013

Shares 103,687 Value ($000) $5,227 Avg Close $16.89 Range $15.60 - $17.85

Q1 2013

Shares 104,587 Value ($000) $5,248 Avg Close $15.50 Range $14.30 - $16.60

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	70,502	$4,583	$66.83	$64.30 - $69.59
Q3 2025	75,828	$5,112	$63.88	$59.07 - $67.04
Q2 2025	75,056	$4,539	$60.10	$55.76 - $64.19
Q1 2025	74,199	$4,775	$59.57	$54.52 - $64.99
Q4 2024	74,466	$4,404	$58.37	$54.30 - $62.16
Q3 2024	73,453	$4,458	$54.38	$48.12 - $58.63
Q2 2024	70,426	$3,585	$47.71	$44.54 - $49.81
Q1 2024	70,187	$3,537	$46.11	$44.14 - $48.90
Q4 2023	69,457	$3,563	$46.45	$41.77 - $50.29
Q3 2023	68,583	$3,323	$47.84	$44.23 - $51.62
Q2 2023	68,538	$3,597	$49.05	$46.13 - $51.23
Q1 2023	72,979	$3,897	$48.28	$45.19 - $50.77
Q4 2022	71,026	$3,921	$48.07	$42.22 - $51.90
Q3 2022	68,865	$3,649	$53.87	$47.25 - $57.82
Q2 2022	69,907	$4,097	$53.50	$48.14 - $57.66
Q1 2022	69,690	$4,354	$52.37	$48.33 - $55.78
Q4 2021	68,137	$4,188	$50.05	$47.35 - $54.07
Q3 2021	70,197	$3,930	$51.28	$47.64 - $54.21
Q2 2021	70,628	$3,938	$48.83	$45.94 - $51.03
Q1 2021	72,012	$3,900	$42.55	$39.42 - $47.06
Q4 2020	71,585	$3,689	$45.61	$40.48 - $49.39
Q3 2020	75,920	$3,921	$44.02	$39.84 - $46.94
Q2 2020	57,077	$2,731	$40.72	$36.29 - $45.31
Q1 2020	116,169	$5,610	$45.48	$31.34 - $50.16
Q4 2019	146,865	$8,036	$43.82	$42.11 - $45.80
Q3 2019	145,001	$7,820	$42.08	$39.53 - $44.83
Q2 2019	143,831	$7,059	$38.79	$37.00 - $40.91
Q1 2019	165,522	$7,801	$36.14	$32.70 - $38.77
Q4 2018	174,930	$7,391	$35.19	$32.65 - $37.38
Q3 2018	249,349	$10,615	$34.13	$32.72 - $35.18
Q2 2018	241,627	$10,226	$32.46	$30.20 - $34.35
Q1 2018	265,277	$10,839	$30.84	$28.88 - $33.21
Q4 2017	256,977	$10,950	$33.80	$31.68 - $35.41
Q3 2017	208,877	$8,683	$32.04	$30.14 - $33.72
Q2 2017	74,330	$2,986	$30.93	$29.83 - $32.31
Q1 2017	75,330	$2,984	$29.08	$27.58 - $30.63
Q4 2016	75,030	$2,843	$27.74	$26.27 - $29.13
Q3 2016	73,530	$2,817	$29.26	$27.72 - $30.41
Q2 2016	112,300	$4,458	$27.46	$25.25 - $29.85
Q1 2016	66,000	$4,902	$24.74	$22.13 - $27.34
Q4 2015	65,800	$4,109	$21.84	$20.45 - $23.41
Q3 2015	64,816	$3,791	$21.20	$19.59 - $22.72
Q4 2014	90,587	$6,016	$21.73	$19.32 - $24.55
Q3 2014	85,987	$4,764	$20.07	$19.08 - $21.06
Q2 2014	88,287	$5,373	$19.98	$19.02 - $21.06
Q1 2014	88,587	$5,032	$18.07	$16.97 - $19.54
Q4 2013	97,287	$5,020	$17.48	$16.43 - $18.23
Q3 2013	103,087	$5,107	$17.15	$16.21 - $18.15
Q2 2013	103,687	$5,227	$16.89	$15.60 - $17.85
Q1 2013	104,587	$5,248	$15.50	$14.30 - $16.60