ALLIANT ENERGY CORP

Ticker: LNT CUSIP: 018802108 Class: COM

BARCLAYS PLC's Holding History (CIK: 0000312069)

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

Q4 2025

Shares 897,495 Value ($000) $58,346 Avg Close $66.83 Range $64.30 - $69.59

Q3 2025

Shares 608,866 Value ($000) $36,952 Avg Close $63.88 Range $59.07 - $67.04

Q2 2025

Shares 642,463 Value ($000) $38,850 Avg Close $60.10 Range $55.76 - $64.19

Q1 2025

Shares 672,306 Value ($000) $43,263 Avg Close $59.57 Range $54.52 - $64.99

Q4 2024

Shares 968,753 Value ($000) $57,292 Avg Close $58.37 Range $54.30 - $62.16

Q3 2024

Shares 608,866 Value ($000) $37 Avg Close $54.38 Range $48.12 - $58.63

Q2 2024

Shares 446,872 Value ($000) $22,746 Avg Close $47.71 Range $44.54 - $49.81

Q1 2024

Shares 575,360 Value ($000) $28,998 Avg Close $46.11 Range $44.14 - $48.90

Q4 2023

Shares 557,005 Value ($000) $28,574 Avg Close $46.45 Range $41.77 - $50.29

Q3 2023

Shares 553,191 Value ($000) $26,802 Avg Close $47.84 Range $44.23 - $51.62

Q2 2023

Shares 394,232 Value ($000) $21 Avg Close $49.05 Range $46.13 - $51.23

Q1 2023

Shares 205,646 Value ($000) $11 Avg Close $48.28 Range $45.19 - $50.77

Q4 2022

Shares 293,000 Value ($000) $16 Avg Close $48.07 Range $42.22 - $51.90

Q3 2022

Shares 208,700 Value ($000) $11,058 Avg Close $53.87 Range $47.25 - $57.82

Q2 2022

Shares 234,178 Value ($000) $13,725 Avg Close $53.50 Range $48.14 - $57.66

Q1 2022

Shares 291,717 Value ($000) $18,228 Avg Close $52.37 Range $48.33 - $55.78

Q4 2021

Shares 365,310 Value ($000) $22,455 Avg Close $50.05 Range $47.35 - $54.07

Q3 2021

Shares 506,617 Value ($000) $28,359 Avg Close $51.28 Range $47.64 - $54.21

Q2 2021

Shares 512,677 Value ($000) $28,587 Avg Close $48.83 Range $45.94 - $51.03

Q1 2021

Shares 359,505 Value ($000) $19,471 Avg Close $42.55 Range $39.42 - $47.06

Q4 2020

Shares 276,165 Value ($000) $14,230 Avg Close $45.61 Range $40.48 - $49.39

Q3 2020

Shares 319,988 Value ($000) $16,529 Avg Close $44.02 Range $39.84 - $46.94

Q2 2020

Shares 233,501 Value ($000) $11,170 Avg Close $40.72 Range $36.29 - $45.31

Q1 2020

Shares 370,940 Value ($000) $17,913 Avg Close $45.48 Range $31.34 - $50.16

Q4 2019

Shares 724,946 Value ($000) $39,668 Avg Close $43.82 Range $42.11 - $45.80

Q3 2019

Shares 446,970 Value ($000) $24,103 Avg Close $42.08 Range $39.53 - $44.83

Q2 2019

Shares 413,493 Value ($000) $20,292 Avg Close $38.79 Range $37.00 - $40.91

Q1 2019

Shares 361,681 Value ($000) $17,047 Avg Close $36.14 Range $32.70 - $38.77

Q4 2018

Shares 393,825 Value ($000) $16,640 Avg Close $35.19 Range $32.65 - $37.38

Q3 2018

Shares 346,902 Value ($000) $14,767 Avg Close $34.13 Range $32.72 - $35.18

Q2 2018

Shares 296,698 Value ($000) $12,557 Avg Close $32.46 Range $30.20 - $34.35

Q1 2018

Shares 409,398 Value ($000) $16,728 Avg Close $30.84 Range $28.88 - $33.21

Q4 2017

Shares 255,027 Value ($000) $10,868 Avg Close $33.80 Range $31.68 - $35.41

Q3 2017

Shares 124,481 Value ($000) $5,175 Avg Close $32.04 Range $30.14 - $33.72

Q2 2017

Shares 141,493 Value ($000) $5,685 Avg Close $30.93 Range $29.83 - $32.31

Q1 2017

Shares 148,435 Value ($000) $5,879 Avg Close $29.08 Range $27.58 - $30.63

Q4 2016

Shares 175,352 Value ($000) $6,643 Avg Close $27.74 Range $26.27 - $29.13

Q3 2016

Shares 121,556 Value ($000) $4,658 Avg Close $29.26 Range $27.72 - $30.41

Q2 2016

Shares 321,643 Value ($000) $12,771 Avg Close $27.46 Range $25.25 - $29.85

Q1 2016

Shares 70,621 Value ($000) $5,227 Avg Close $24.74 Range $22.13 - $27.34

Q4 2015

Shares 51,492 Value ($000) $3,192 Avg Close $21.84 Range $20.45 - $23.41

Q3 2015

Shares 64,770 Value ($000) $3,756 Avg Close $21.20 Range $19.59 - $22.72

Q2 2015

Shares 119,600 Value ($000) $6,819 Avg Close $21.63 Range $20.41 - $22.74

Q1 2015

Shares 88,068 Value ($000) $5,549 Avg Close $23.04 Range $21.25 - $25.01

Q4 2014

Shares 97,397 Value ($000) $6,427 Avg Close $21.73 Range $19.32 - $24.55

Q3 2014

Shares 84,838 Value ($000) $4,665 Avg Close $20.07 Range $19.08 - $21.06

Q2 2014

Shares 144,437 Value ($000) $8,668 Avg Close $19.98 Range $19.02 - $21.06

Q1 2014

Shares 119,511 Value ($000) $6,692 Avg Close $18.07 Range $16.97 - $19.54

Q4 2013

Shares 173,824 Value ($000) $8,866 Avg Close $17.48 Range $16.43 - $18.23

Q3 2013

Shares 154,082 Value ($000) $7,549 Avg Close $17.15 Range $16.21 - $18.15

Q2 2013

Shares 123,579 Value ($000) $6,232 Avg Close $16.89 Range $15.60 - $17.85

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	897,495	$58,346	$66.83	$64.30 - $69.59
Q3 2025	608,866	$36,952	$63.88	$59.07 - $67.04
Q2 2025	642,463	$38,850	$60.10	$55.76 - $64.19
Q1 2025	672,306	$43,263	$59.57	$54.52 - $64.99
Q4 2024	968,753	$57,292	$58.37	$54.30 - $62.16
Q3 2024	608,866	$37	$54.38	$48.12 - $58.63
Q2 2024	446,872	$22,746	$47.71	$44.54 - $49.81
Q1 2024	575,360	$28,998	$46.11	$44.14 - $48.90
Q4 2023	557,005	$28,574	$46.45	$41.77 - $50.29
Q3 2023	553,191	$26,802	$47.84	$44.23 - $51.62
Q2 2023	394,232	$21	$49.05	$46.13 - $51.23
Q1 2023	205,646	$11	$48.28	$45.19 - $50.77
Q4 2022	293,000	$16	$48.07	$42.22 - $51.90
Q3 2022	208,700	$11,058	$53.87	$47.25 - $57.82
Q2 2022	234,178	$13,725	$53.50	$48.14 - $57.66
Q1 2022	291,717	$18,228	$52.37	$48.33 - $55.78
Q4 2021	365,310	$22,455	$50.05	$47.35 - $54.07
Q3 2021	506,617	$28,359	$51.28	$47.64 - $54.21
Q2 2021	512,677	$28,587	$48.83	$45.94 - $51.03
Q1 2021	359,505	$19,471	$42.55	$39.42 - $47.06
Q4 2020	276,165	$14,230	$45.61	$40.48 - $49.39
Q3 2020	319,988	$16,529	$44.02	$39.84 - $46.94
Q2 2020	233,501	$11,170	$40.72	$36.29 - $45.31
Q1 2020	370,940	$17,913	$45.48	$31.34 - $50.16
Q4 2019	724,946	$39,668	$43.82	$42.11 - $45.80
Q3 2019	446,970	$24,103	$42.08	$39.53 - $44.83
Q2 2019	413,493	$20,292	$38.79	$37.00 - $40.91
Q1 2019	361,681	$17,047	$36.14	$32.70 - $38.77
Q4 2018	393,825	$16,640	$35.19	$32.65 - $37.38
Q3 2018	346,902	$14,767	$34.13	$32.72 - $35.18
Q2 2018	296,698	$12,557	$32.46	$30.20 - $34.35
Q1 2018	409,398	$16,728	$30.84	$28.88 - $33.21
Q4 2017	255,027	$10,868	$33.80	$31.68 - $35.41
Q3 2017	124,481	$5,175	$32.04	$30.14 - $33.72
Q2 2017	141,493	$5,685	$30.93	$29.83 - $32.31
Q1 2017	148,435	$5,879	$29.08	$27.58 - $30.63
Q4 2016	175,352	$6,643	$27.74	$26.27 - $29.13
Q3 2016	121,556	$4,658	$29.26	$27.72 - $30.41
Q2 2016	321,643	$12,771	$27.46	$25.25 - $29.85
Q1 2016	70,621	$5,227	$24.74	$22.13 - $27.34
Q4 2015	51,492	$3,192	$21.84	$20.45 - $23.41
Q3 2015	64,770	$3,756	$21.20	$19.59 - $22.72
Q2 2015	119,600	$6,819	$21.63	$20.41 - $22.74
Q1 2015	88,068	$5,549	$23.04	$21.25 - $25.01
Q4 2014	97,397	$6,427	$21.73	$19.32 - $24.55
Q3 2014	84,838	$4,665	$20.07	$19.08 - $21.06
Q2 2014	144,437	$8,668	$19.98	$19.02 - $21.06
Q1 2014	119,511	$6,692	$18.07	$16.97 - $19.54
Q4 2013	173,824	$8,866	$17.48	$16.43 - $18.23
Q3 2013	154,082	$7,549	$17.15	$16.21 - $18.15
Q2 2013	123,579	$6,232	$16.89	$15.60 - $17.85