ALLIANT ENERGY CORP

Ticker: LNT CUSIP: 018802108 Class: COM

MUTUAL OF AMERICA CAPITAL MANAGEMENT LLC's Holding History (CIK: 0000922127)

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

Q4 2025

Shares 27,596 Value ($000) $1,794 Avg Close $66.83 Range $64.30 - $69.59

Q3 2025

Shares 27,849 Value ($000) $1,877 Avg Close $63.88 Range $59.07 - $67.04

Q2 2025

Shares 29,454 Value ($000) $1,781 Avg Close $60.10 Range $55.76 - $64.19

Q1 2025

Shares 29,836 Value ($000) $1,920 Avg Close $59.57 Range $54.52 - $64.99

Q4 2024

Shares 30,734 Value ($000) $1,818 Avg Close $58.37 Range $54.30 - $62.16

Q3 2024

Shares 31,582 Value ($000) $1,917 Avg Close $54.38 Range $48.12 - $58.63

Q2 2024

Shares 32,330 Value ($000) $1,646 Avg Close $47.71 Range $44.54 - $49.81

Q1 2024

Shares 33,456 Value ($000) $1,686 Avg Close $46.11 Range $44.14 - $48.90

Q4 2023

Shares 34,136 Value ($000) $1,751 Avg Close $46.45 Range $41.77 - $50.29

Q3 2023

Shares 35,358 Value ($000) $1,713 Avg Close $47.84 Range $44.23 - $51.62

Q2 2023

Shares 36,156 Value ($000) $1,897 Avg Close $49.05 Range $46.13 - $51.23

Q1 2023

Shares 35,917 Value ($000) $1,918 Avg Close $48.28 Range $45.19 - $50.77

Q4 2022

Shares 35,857 Value ($000) $1,980 Avg Close $48.07 Range $42.22 - $51.90

Q3 2022

Shares 34,741 Value ($000) $1,841 Avg Close $53.87 Range $47.25 - $57.82

Q2 2022

Shares 34,198 Value ($000) $2,004 Avg Close $53.50 Range $48.14 - $57.66

Q1 2022

Shares 33,414 Value ($000) $2,088 Avg Close $52.37 Range $48.33 - $55.78

Q4 2021

Shares 33,056 Value ($000) $2,032 Avg Close $50.05 Range $47.35 - $54.07

Q3 2021

Shares 32,834 Value ($000) $1,838 Avg Close $51.28 Range $47.64 - $54.21

Q2 2021

Shares 32,644 Value ($000) $1,820 Avg Close $48.83 Range $45.94 - $51.03

Q1 2021

Shares 32,274 Value ($000) $1,748 Avg Close $42.55 Range $39.42 - $47.06

Q4 2020

Shares 31,421 Value ($000) $1,619 Avg Close $45.61 Range $40.48 - $49.39

Q3 2020

Shares 32,448 Value ($000) $1,676 Avg Close $44.02 Range $39.84 - $46.94

Q2 2020

Shares 33,741 Value ($000) $1,614 Avg Close $40.72 Range $36.29 - $45.31

Q1 2020

Shares 32,759 Value ($000) $1,582 Avg Close $45.48 Range $31.34 - $50.16

Q4 2019

Shares 32,386 Value ($000) $1,772 Avg Close $43.82 Range $42.11 - $45.80

Q3 2019

Shares 31,813 Value ($000) $1,716 Avg Close $42.08 Range $39.53 - $44.83

Q2 2019

Shares 31,537 Value ($000) $1,548 Avg Close $38.79 Range $37.00 - $40.91

Q1 2019

Shares 31,548 Value ($000) $1,487 Avg Close $36.14 Range $32.70 - $38.77

Q4 2018

Shares 30,846 Value ($000) $1,303 Avg Close $35.19 Range $32.65 - $37.38

Q3 2018

Shares 30,160 Value ($000) $1,284 Avg Close $34.13 Range $32.72 - $35.18

Q2 2018

Shares 29,816 Value ($000) $1,262 Avg Close $32.46 Range $30.20 - $34.35

Q1 2018

Shares 29,589 Value ($000) $1,209 Avg Close $30.84 Range $28.88 - $33.21

Q4 2017

Shares 25,964 Value ($000) $1,106 Avg Close $33.80 Range $31.68 - $35.41

Q3 2017

Shares 30,458 Value ($000) $1,266 Avg Close $32.04 Range $30.14 - $33.72

Q2 2017

Shares 27,798 Value ($000) $1,117 Avg Close $30.93 Range $29.83 - $32.31

Q1 2017

Shares 25,111 Value ($000) $995 Avg Close $29.08 Range $27.58 - $30.63

Q4 2016

Shares 24,661 Value ($000) $934 Avg Close $27.74 Range $26.27 - $29.13

Q3 2016

Shares 28,261 Value ($000) $1,083 Avg Close $29.26 Range $27.72 - $30.41

Q2 2016

Shares 26,496 Value ($000) $1,052 Avg Close $27.46 Range $25.25 - $29.85

Q1 2016

Shares 78,618 Value ($000) $5,840 Avg Close $24.74 Range $22.13 - $27.34

Q4 2015

Shares 75,648 Value ($000) $4,724 Avg Close $21.84 Range $20.45 - $23.41

Q3 2015

Shares 75,436 Value ($000) $4,412 Avg Close $21.20 Range $19.59 - $22.72

Q2 2015

Shares 72,768 Value ($000) $4,200 Avg Close $21.63 Range $20.41 - $22.74

Q1 2015

Shares 71,328 Value ($000) $4,494 Avg Close $23.04 Range $21.25 - $25.01

Q4 2014

Shares 69,982 Value ($000) $4,648 Avg Close $21.73 Range $19.32 - $24.55

Q3 2014

Shares 68,976 Value ($000) $3,822 Avg Close $20.07 Range $19.08 - $21.06

Q2 2014

Shares 68,606 Value ($000) $4,175 Avg Close $19.98 Range $19.02 - $21.06

Q1 2014

Shares 68,965 Value ($000) $3,918 Avg Close $18.07 Range $16.97 - $19.54

Q4 2013

Shares 68,346 Value ($000) $3,527 Avg Close $17.48 Range $16.43 - $18.23

Q3 2013

Shares 67,432 Value ($000) $3,341 Avg Close $17.15 Range $16.21 - $18.15

Q2 2013

Shares 65,561 Value ($000) $3,306 Avg Close $16.89 Range $15.60 - $17.85

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	27,596	$1,794	$66.83	$64.30 - $69.59
Q3 2025	27,849	$1,877	$63.88	$59.07 - $67.04
Q2 2025	29,454	$1,781	$60.10	$55.76 - $64.19
Q1 2025	29,836	$1,920	$59.57	$54.52 - $64.99
Q4 2024	30,734	$1,818	$58.37	$54.30 - $62.16
Q3 2024	31,582	$1,917	$54.38	$48.12 - $58.63
Q2 2024	32,330	$1,646	$47.71	$44.54 - $49.81
Q1 2024	33,456	$1,686	$46.11	$44.14 - $48.90
Q4 2023	34,136	$1,751	$46.45	$41.77 - $50.29
Q3 2023	35,358	$1,713	$47.84	$44.23 - $51.62
Q2 2023	36,156	$1,897	$49.05	$46.13 - $51.23
Q1 2023	35,917	$1,918	$48.28	$45.19 - $50.77
Q4 2022	35,857	$1,980	$48.07	$42.22 - $51.90
Q3 2022	34,741	$1,841	$53.87	$47.25 - $57.82
Q2 2022	34,198	$2,004	$53.50	$48.14 - $57.66
Q1 2022	33,414	$2,088	$52.37	$48.33 - $55.78
Q4 2021	33,056	$2,032	$50.05	$47.35 - $54.07
Q3 2021	32,834	$1,838	$51.28	$47.64 - $54.21
Q2 2021	32,644	$1,820	$48.83	$45.94 - $51.03
Q1 2021	32,274	$1,748	$42.55	$39.42 - $47.06
Q4 2020	31,421	$1,619	$45.61	$40.48 - $49.39
Q3 2020	32,448	$1,676	$44.02	$39.84 - $46.94
Q2 2020	33,741	$1,614	$40.72	$36.29 - $45.31
Q1 2020	32,759	$1,582	$45.48	$31.34 - $50.16
Q4 2019	32,386	$1,772	$43.82	$42.11 - $45.80
Q3 2019	31,813	$1,716	$42.08	$39.53 - $44.83
Q2 2019	31,537	$1,548	$38.79	$37.00 - $40.91
Q1 2019	31,548	$1,487	$36.14	$32.70 - $38.77
Q4 2018	30,846	$1,303	$35.19	$32.65 - $37.38
Q3 2018	30,160	$1,284	$34.13	$32.72 - $35.18
Q2 2018	29,816	$1,262	$32.46	$30.20 - $34.35
Q1 2018	29,589	$1,209	$30.84	$28.88 - $33.21
Q4 2017	25,964	$1,106	$33.80	$31.68 - $35.41
Q3 2017	30,458	$1,266	$32.04	$30.14 - $33.72
Q2 2017	27,798	$1,117	$30.93	$29.83 - $32.31
Q1 2017	25,111	$995	$29.08	$27.58 - $30.63
Q4 2016	24,661	$934	$27.74	$26.27 - $29.13
Q3 2016	28,261	$1,083	$29.26	$27.72 - $30.41
Q2 2016	26,496	$1,052	$27.46	$25.25 - $29.85
Q1 2016	78,618	$5,840	$24.74	$22.13 - $27.34
Q4 2015	75,648	$4,724	$21.84	$20.45 - $23.41
Q3 2015	75,436	$4,412	$21.20	$19.59 - $22.72
Q2 2015	72,768	$4,200	$21.63	$20.41 - $22.74
Q1 2015	71,328	$4,494	$23.04	$21.25 - $25.01
Q4 2014	69,982	$4,648	$21.73	$19.32 - $24.55
Q3 2014	68,976	$3,822	$20.07	$19.08 - $21.06
Q2 2014	68,606	$4,175	$19.98	$19.02 - $21.06
Q1 2014	68,965	$3,918	$18.07	$16.97 - $19.54
Q4 2013	68,346	$3,527	$17.48	$16.43 - $18.23
Q3 2013	67,432	$3,341	$17.15	$16.21 - $18.15
Q2 2013	65,561	$3,306	$16.89	$15.60 - $17.85