ALLIANT ENERGY CORP

Ticker: LNT CUSIP: 018802108 Class: COM

US BANCORP \DE\'s Holding History (CIK: 0000036104)

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

Q4 2025

Shares 98,814 Value ($000) $6,424 Avg Close $66.83 Range $64.30 - $69.59

Q3 2025

Shares 99,371 Value ($000) $6,699 Avg Close $63.88 Range $59.07 - $67.04

Q2 2025

Shares 101,334 Value ($000) $6,128 Avg Close $60.10 Range $55.76 - $64.19

Q1 2025

Shares 104,207 Value ($000) $6,706 Avg Close $59.57 Range $54.52 - $64.99

Q4 2024

Shares 119,388 Value ($000) $7,061 Avg Close $58.37 Range $54.30 - $62.16

Q3 2024

Shares 124,438 Value ($000) $7,552 Avg Close $54.38 Range $48.12 - $58.63

Q2 2024

Shares 122,287 Value ($000) $6,224 Avg Close $47.71 Range $44.54 - $49.81

Q1 2024

Shares 122,766 Value ($000) $6,187 Avg Close $46.11 Range $44.14 - $48.90

Q4 2023

Shares 124,529 Value ($000) $6,388 Avg Close $46.45 Range $41.77 - $50.29

Q3 2023

Shares 132,090 Value ($000) $6,400 Avg Close $47.84 Range $44.23 - $51.62

Q2 2023

Shares 137,200 Value ($000) $7,200 Avg Close $49.05 Range $46.13 - $51.23

Q1 2023

Shares 137,469 Value ($000) $7,341 Avg Close $48.28 Range $45.19 - $50.77

Q4 2022

Shares 140,964 Value ($000) $7,783 Avg Close $48.07 Range $42.22 - $51.90

Q3 2022

Shares 140,815 Value ($000) $7,462 Avg Close $53.87 Range $47.25 - $57.82

Q2 2022

Shares 144,453 Value ($000) $8,466 Avg Close $53.50 Range $48.14 - $57.66

Q1 2022

Shares 145,602 Value ($000) $9,098 Avg Close $52.37 Range $48.33 - $55.78

Q4 2021

Shares 142,572 Value ($000) $8,765 Avg Close $50.05 Range $47.35 - $54.07

Q3 2021

Shares 148,834 Value ($000) $8,331 Avg Close $51.28 Range $47.64 - $54.21

Q2 2021

Shares 152,045 Value ($000) $8,477 Avg Close $48.83 Range $45.94 - $51.03

Q1 2021

Shares 154,673 Value ($000) $8,378 Avg Close $42.55 Range $39.42 - $47.06

Q4 2020

Shares 151,576 Value ($000) $7,811 Avg Close $45.61 Range $40.48 - $49.39

Q3 2020

Shares 155,417 Value ($000) $8,027 Avg Close $44.02 Range $39.84 - $46.94

Q2 2020

Shares 158,692 Value ($000) $7,592 Avg Close $40.72 Range $36.29 - $45.31

Q1 2020

Shares 172,512 Value ($000) $8,331 Avg Close $45.48 Range $31.34 - $50.16

Q4 2019

Shares 171,266 Value ($000) $9,371 Avg Close $43.82 Range $42.11 - $45.80

Q3 2019

Shares 174,697 Value ($000) $9,421 Avg Close $42.08 Range $39.53 - $44.83

Q2 2019

Shares 179,771 Value ($000) $8,823 Avg Close $38.79 Range $37.00 - $40.91

Q1 2019

Shares 176,564 Value ($000) $8,321 Avg Close $36.14 Range $32.70 - $38.77

Q4 2018

Shares 179,785 Value ($000) $7,596 Avg Close $35.19 Range $32.65 - $37.38

Q3 2018

Shares 186,058 Value ($000) $7,921 Avg Close $34.13 Range $32.72 - $35.18

Q2 2018

Shares 165,390 Value ($000) $7,000 Avg Close $32.46 Range $30.20 - $34.35

Q1 2018

Shares 175,397 Value ($000) $7,167 Avg Close $30.84 Range $28.88 - $33.21

Q4 2017

Shares 187,981 Value ($000) $8,010 Avg Close $33.80 Range $31.68 - $35.41

Q3 2017

Shares 187,860 Value ($000) $7,809 Avg Close $32.04 Range $30.14 - $33.72

Q2 2017

Shares 195,928 Value ($000) $7,870 Avg Close $30.93 Range $29.83 - $32.31

Q1 2017

Shares 201,740 Value ($000) $7,991 Avg Close $29.08 Range $27.58 - $30.63

Q4 2016

Shares 203,991 Value ($000) $7,729 Avg Close $27.74 Range $26.27 - $29.13

Q3 2016

Shares 207,871 Value ($000) $7,963 Avg Close $29.26 Range $27.72 - $30.41

Q2 2016

Shares 224,143 Value ($000) $8,898 Avg Close $27.46 Range $25.25 - $29.85

Q1 2016

Shares 120,213 Value ($000) $8,929 Avg Close $24.74 Range $22.13 - $27.34

Q4 2015

Shares 123,423 Value ($000) $7,708 Avg Close $21.84 Range $20.45 - $23.41

Q3 2015

Shares 123,397 Value ($000) $7,218 Avg Close $21.20 Range $19.59 - $22.72

Q2 2015

Shares 148,111 Value ($000) $8,548 Avg Close $21.63 Range $20.41 - $22.74

Q1 2015

Shares 150,594 Value ($000) $9,488 Avg Close $23.04 Range $21.25 - $25.01

Q4 2014

Shares 153,944 Value ($000) $10,225 Avg Close $21.73 Range $19.32 - $24.55

Q3 2014

Shares 161,059 Value ($000) $8,924 Avg Close $20.07 Range $19.08 - $21.06

Q2 2014

Shares 169,310 Value ($000) $10,305 Avg Close $19.98 Range $19.02 - $21.06

Q1 2014

Shares 180,549 Value ($000) $10,257 Avg Close $18.07 Range $16.97 - $19.54

Q4 2013

Shares 183,360 Value ($000) $9,461 Avg Close $17.48 Range $16.43 - $18.23

Q3 2013

Shares 183,285 Value ($000) $9,082 Avg Close $17.15 Range $16.21 - $18.15

Q2 2013

Shares 189,141 Value ($000) $9,536 Avg Close $16.89 Range $15.60 - $17.85

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	98,814	$6,424	$66.83	$64.30 - $69.59
Q3 2025	99,371	$6,699	$63.88	$59.07 - $67.04
Q2 2025	101,334	$6,128	$60.10	$55.76 - $64.19
Q1 2025	104,207	$6,706	$59.57	$54.52 - $64.99
Q4 2024	119,388	$7,061	$58.37	$54.30 - $62.16
Q3 2024	124,438	$7,552	$54.38	$48.12 - $58.63
Q2 2024	122,287	$6,224	$47.71	$44.54 - $49.81
Q1 2024	122,766	$6,187	$46.11	$44.14 - $48.90
Q4 2023	124,529	$6,388	$46.45	$41.77 - $50.29
Q3 2023	132,090	$6,400	$47.84	$44.23 - $51.62
Q2 2023	137,200	$7,200	$49.05	$46.13 - $51.23
Q1 2023	137,469	$7,341	$48.28	$45.19 - $50.77
Q4 2022	140,964	$7,783	$48.07	$42.22 - $51.90
Q3 2022	140,815	$7,462	$53.87	$47.25 - $57.82
Q2 2022	144,453	$8,466	$53.50	$48.14 - $57.66
Q1 2022	145,602	$9,098	$52.37	$48.33 - $55.78
Q4 2021	142,572	$8,765	$50.05	$47.35 - $54.07
Q3 2021	148,834	$8,331	$51.28	$47.64 - $54.21
Q2 2021	152,045	$8,477	$48.83	$45.94 - $51.03
Q1 2021	154,673	$8,378	$42.55	$39.42 - $47.06
Q4 2020	151,576	$7,811	$45.61	$40.48 - $49.39
Q3 2020	155,417	$8,027	$44.02	$39.84 - $46.94
Q2 2020	158,692	$7,592	$40.72	$36.29 - $45.31
Q1 2020	172,512	$8,331	$45.48	$31.34 - $50.16
Q4 2019	171,266	$9,371	$43.82	$42.11 - $45.80
Q3 2019	174,697	$9,421	$42.08	$39.53 - $44.83
Q2 2019	179,771	$8,823	$38.79	$37.00 - $40.91
Q1 2019	176,564	$8,321	$36.14	$32.70 - $38.77
Q4 2018	179,785	$7,596	$35.19	$32.65 - $37.38
Q3 2018	186,058	$7,921	$34.13	$32.72 - $35.18
Q2 2018	165,390	$7,000	$32.46	$30.20 - $34.35
Q1 2018	175,397	$7,167	$30.84	$28.88 - $33.21
Q4 2017	187,981	$8,010	$33.80	$31.68 - $35.41
Q3 2017	187,860	$7,809	$32.04	$30.14 - $33.72
Q2 2017	195,928	$7,870	$30.93	$29.83 - $32.31
Q1 2017	201,740	$7,991	$29.08	$27.58 - $30.63
Q4 2016	203,991	$7,729	$27.74	$26.27 - $29.13
Q3 2016	207,871	$7,963	$29.26	$27.72 - $30.41
Q2 2016	224,143	$8,898	$27.46	$25.25 - $29.85
Q1 2016	120,213	$8,929	$24.74	$22.13 - $27.34
Q4 2015	123,423	$7,708	$21.84	$20.45 - $23.41
Q3 2015	123,397	$7,218	$21.20	$19.59 - $22.72
Q2 2015	148,111	$8,548	$21.63	$20.41 - $22.74
Q1 2015	150,594	$9,488	$23.04	$21.25 - $25.01
Q4 2014	153,944	$10,225	$21.73	$19.32 - $24.55
Q3 2014	161,059	$8,924	$20.07	$19.08 - $21.06
Q2 2014	169,310	$10,305	$19.98	$19.02 - $21.06
Q1 2014	180,549	$10,257	$18.07	$16.97 - $19.54
Q4 2013	183,360	$9,461	$17.48	$16.43 - $18.23
Q3 2013	183,285	$9,082	$17.15	$16.21 - $18.15
Q2 2013	189,141	$9,536	$16.89	$15.60 - $17.85