ALLIANT ENERGY CORP

Ticker: LNT CUSIP: 018802108 Class: COM

SCHRODER INVESTMENT MANAGEMENT GROUP's Holding History (CIK: 0001086619)

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

Q4 2025

Shares 340,788 Value ($000) $22,155 Avg Close $66.83 Range $64.30 - $69.59

Q3 2025

Shares 344,442 Value ($000) $23,219 Avg Close $63.88 Range $59.07 - $67.04

Q2 2025

Shares 352,856 Value ($000) $21,337 Avg Close $60.10 Range $55.76 - $64.19

Q1 2025

Shares 357,622 Value ($000) $22,738 Avg Close $59.57 Range $54.52 - $64.99

Q4 2024

Shares 357,889 Value ($000) $21,234 Avg Close $58.37 Range $54.30 - $62.16

Q3 2024

Shares 379,267 Value ($000) $23,037 Avg Close $54.38 Range $48.12 - $58.63

Q2 2024

Shares 229,616 Value ($000) $11,687 Avg Close $47.71 Range $44.54 - $49.81

Q1 2024

Shares 235,055 Value ($000) $11,847 Avg Close $46.11 Range $44.14 - $48.90

Q4 2023

Shares 235,891 Value ($000) $12,101 Avg Close $46.45 Range $41.77 - $50.29

Q3 2023

Shares 253,791 Value ($000) $12,296 Avg Close $47.84 Range $44.23 - $51.62

Q2 2023

Shares 235,682 Value ($000) $12,369 Avg Close $49.05 Range $46.13 - $51.23

Q1 2023

Shares 227,767 Value ($000) $12,163 Avg Close $48.28 Range $45.19 - $50.77

Q4 2022

Shares 190,652 Value ($000) $10,526 Avg Close $48.07 Range $42.22 - $51.90

Q3 2022

Shares 185,490 Value ($000) $9,829 Avg Close $53.87 Range $47.25 - $57.82

Q2 2022

Shares 205,907 Value ($000) $11,936 Avg Close $53.50 Range $48.14 - $57.66

Q1 2022

Shares 912,030 Value ($000) $57,349 Avg Close $52.37 Range $48.33 - $55.78

Q4 2021

Shares 848,228 Value ($000) $52,141 Avg Close $50.05 Range $47.35 - $54.07

Q3 2021

Shares 968,099 Value ($000) $54,194 Avg Close $51.28 Range $47.64 - $54.21

Q2 2021

Shares 1,121,990 Value ($000) $62,562 Avg Close $48.83 Range $45.94 - $51.03

Q1 2021

Shares 1,147,103 Value ($000) $62,128 Avg Close $42.55 Range $39.42 - $47.06

Q4 2020

Shares 947,883 Value ($000) $48,845 Avg Close $45.61 Range $40.48 - $49.39

Q3 2020

Shares 959,149 Value ($000) $50,921 Avg Close $44.02 Range $39.84 - $46.94

Q2 2020

Shares 1,097,268 Value ($000) $52,493 Avg Close $40.72 Range $36.29 - $45.31

Q1 2020

Shares 1,096,852 Value ($000) $52,462 Avg Close $45.48 Range $31.34 - $50.16

Q4 2019

Shares 1,097,461 Value ($000) $60,053 Avg Close $43.82 Range $42.11 - $45.80

Q3 2019

Shares 1,196,567 Value ($000) $64,651 Avg Close $42.08 Range $39.53 - $44.83

Q2 2019

Shares 1,424,430 Value ($000) $69,911 Avg Close $38.79 Range $37.00 - $40.91

Q1 2019

Shares 1,416,014 Value ($000) $66,737 Avg Close $36.14 Range $32.70 - $38.77

Q4 2018

Shares 1,480,384 Value ($000) $62,546 Avg Close $35.19 Range $32.65 - $37.38

Q3 2018

Shares 1,456,666 Value ($000) $62,010 Avg Close $34.13 Range $32.72 - $35.18

Q2 2018

Shares 1,525,611 Value ($000) $64,625 Avg Close $32.46 Range $30.20 - $34.35

Q1 2018

Shares 1,671,869 Value ($000) $68,313 Avg Close $30.84 Range $28.88 - $33.21

Q4 2017

Shares 1,682,521 Value ($000) $71,692 Avg Close $33.80 Range $31.68 - $35.41

Q3 2017

Shares 1,159,045 Value ($000) $48,332 Avg Close $32.04 Range $30.14 - $33.72

Q2 2017

Shares 1,108,314 Value ($000) $44,831 Avg Close $30.93 Range $29.83 - $32.31

Q1 2017

Shares 1,043,222 Value ($000) $41,280 Avg Close $29.08 Range $27.58 - $30.63

Q4 2016

Shares 956,853 Value ($000) $36,255 Avg Close $27.74 Range $26.27 - $29.13

Q3 2016

Shares 1,056,846 Value ($000) $40,488 Avg Close $29.26 Range $27.72 - $30.41

Q2 2016

Shares 1,126,971 Value ($000) $44,741 Avg Close $27.46 Range $25.25 - $29.85

Q1 2016

Shares 523,100 Value ($000) $38,652 Avg Close $24.74 Range $22.13 - $27.34

Q4 2015

Shares 563,509 Value ($000) $35,191 Avg Close $21.84 Range $20.45 - $23.41

Q3 2015

Shares 502,100 Value ($000) $29,368 Avg Close $21.20 Range $19.59 - $22.72

Q2 2015

Shares 491,800 Value ($000) $28,298 Avg Close $21.63 Range $20.41 - $22.74

Q1 2015

Shares 295,900 Value ($000) $18,239 Avg Close $23.04 Range $21.25 - $25.01

Q4 2014

Shares 290,100 Value ($000) $19,268 Avg Close $21.73 Range $19.32 - $24.55

Q1 2014

Shares 11,280 Value ($000) $640,817 Avg Close $18.07 Range $16.97 - $19.54

Q3 2013

Shares 6,971 Value ($000) $345,413 Avg Close $17.15 Range $16.21 - $18.15

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	340,788	$22,155	$66.83	$64.30 - $69.59
Q3 2025	344,442	$23,219	$63.88	$59.07 - $67.04
Q2 2025	352,856	$21,337	$60.10	$55.76 - $64.19
Q1 2025	357,622	$22,738	$59.57	$54.52 - $64.99
Q4 2024	357,889	$21,234	$58.37	$54.30 - $62.16
Q3 2024	379,267	$23,037	$54.38	$48.12 - $58.63
Q2 2024	229,616	$11,687	$47.71	$44.54 - $49.81
Q1 2024	235,055	$11,847	$46.11	$44.14 - $48.90
Q4 2023	235,891	$12,101	$46.45	$41.77 - $50.29
Q3 2023	253,791	$12,296	$47.84	$44.23 - $51.62
Q2 2023	235,682	$12,369	$49.05	$46.13 - $51.23
Q1 2023	227,767	$12,163	$48.28	$45.19 - $50.77
Q4 2022	190,652	$10,526	$48.07	$42.22 - $51.90
Q3 2022	185,490	$9,829	$53.87	$47.25 - $57.82
Q2 2022	205,907	$11,936	$53.50	$48.14 - $57.66
Q1 2022	912,030	$57,349	$52.37	$48.33 - $55.78
Q4 2021	848,228	$52,141	$50.05	$47.35 - $54.07
Q3 2021	968,099	$54,194	$51.28	$47.64 - $54.21
Q2 2021	1,121,990	$62,562	$48.83	$45.94 - $51.03
Q1 2021	1,147,103	$62,128	$42.55	$39.42 - $47.06
Q4 2020	947,883	$48,845	$45.61	$40.48 - $49.39
Q3 2020	959,149	$50,921	$44.02	$39.84 - $46.94
Q2 2020	1,097,268	$52,493	$40.72	$36.29 - $45.31
Q1 2020	1,096,852	$52,462	$45.48	$31.34 - $50.16
Q4 2019	1,097,461	$60,053	$43.82	$42.11 - $45.80
Q3 2019	1,196,567	$64,651	$42.08	$39.53 - $44.83
Q2 2019	1,424,430	$69,911	$38.79	$37.00 - $40.91
Q1 2019	1,416,014	$66,737	$36.14	$32.70 - $38.77
Q4 2018	1,480,384	$62,546	$35.19	$32.65 - $37.38
Q3 2018	1,456,666	$62,010	$34.13	$32.72 - $35.18
Q2 2018	1,525,611	$64,625	$32.46	$30.20 - $34.35
Q1 2018	1,671,869	$68,313	$30.84	$28.88 - $33.21
Q4 2017	1,682,521	$71,692	$33.80	$31.68 - $35.41
Q3 2017	1,159,045	$48,332	$32.04	$30.14 - $33.72
Q2 2017	1,108,314	$44,831	$30.93	$29.83 - $32.31
Q1 2017	1,043,222	$41,280	$29.08	$27.58 - $30.63
Q4 2016	956,853	$36,255	$27.74	$26.27 - $29.13
Q3 2016	1,056,846	$40,488	$29.26	$27.72 - $30.41
Q2 2016	1,126,971	$44,741	$27.46	$25.25 - $29.85
Q1 2016	523,100	$38,652	$24.74	$22.13 - $27.34
Q4 2015	563,509	$35,191	$21.84	$20.45 - $23.41
Q3 2015	502,100	$29,368	$21.20	$19.59 - $22.72
Q2 2015	491,800	$28,298	$21.63	$20.41 - $22.74
Q1 2015	295,900	$18,239	$23.04	$21.25 - $25.01
Q4 2014	290,100	$19,268	$21.73	$19.32 - $24.55
Q1 2014	11,280	$640,817	$18.07	$16.97 - $19.54
Q3 2013	6,971	$345,413	$17.15	$16.21 - $18.15