ALLIANT ENERGY CORP

Ticker: LNT CUSIP: 018802108 Class: COM

CITADEL ADVISORS LLC's Holding History (CIK: 0001423053)

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

Q4 2025

Shares 652,641 Value ($000) $42,428 Avg Close $66.83 Range $64.30 - $69.59

Q3 2025

Shares 4,288,179 Value ($000) $289,066 Avg Close $63.88 Range $59.07 - $67.04

Q2 2025

Shares 75,695 Value ($000) $4,577 Avg Close $60.10 Range $55.76 - $64.19

Q1 2025

Shares 1,630 Value ($000) $105 Avg Close $59.57 Range $54.52 - $64.99

Q4 2024

Shares 1,237,516 Value ($000) $73,187 Avg Close $58.37 Range $54.30 - $62.16

Q3 2024

Shares 1,921,889 Value ($000) $116,639 Avg Close $54.38 Range $48.12 - $58.63

Q2 2024

Shares 681,629 Value ($000) $34,695 Avg Close $47.71 Range $44.54 - $49.81

Q3 2023

Shares 31,144 Value ($000) $1,509 Avg Close $47.84 Range $44.23 - $51.62

Q2 2023

Shares 204,220 Value ($000) $10,717 Avg Close $49.05 Range $46.13 - $51.23

Q1 2023

Shares 292,916 Value ($000) $15,642 Avg Close $48.28 Range $45.19 - $50.77

Q4 2022

Shares 658,622 Value ($000) $36,363 Avg Close $48.07 Range $42.22 - $51.90

Q3 2022

Shares 1,171,533 Value ($000) $62,080 Avg Close $53.87 Range $47.25 - $57.82

Q2 2022

Shares 398,872 Value ($000) $23,378 Avg Close $53.50 Range $48.14 - $57.66

Q1 2022

Shares 173,356 Value ($000) $10,831 Avg Close $52.37 Range $48.33 - $55.78

Q4 2021

Shares 807,504 Value ($000) $49,637 Avg Close $50.05 Range $47.35 - $54.07

Q3 2021

Shares 35,378 Value ($000) $1,980 Avg Close $51.28 Range $47.64 - $54.21

Q2 2021

Shares 21,802 Value ($000) $1,216 Avg Close $48.83 Range $45.94 - $51.03

Q4 2020

Shares 118,244 Value ($000) $6,093 Avg Close $45.61 Range $40.48 - $49.39

Q3 2020

Shares 1,953,275 Value ($000) $100,887 Avg Close $44.02 Range $39.84 - $46.94

Q2 2020

Shares 1,221,113 Value ($000) $58,418 Avg Close $40.72 Range $36.29 - $45.31

Q1 2020

Shares 4,624,984 Value ($000) $223,341 Avg Close $45.48 Range $31.34 - $50.16

Q4 2019

Shares 2,564,627 Value ($000) $140,336 Avg Close $43.82 Range $42.11 - $45.80

Q3 2019

Shares 4,096,786 Value ($000) $220,939 Avg Close $42.08 Range $39.53 - $44.83

Q2 2019

Shares 4,152,208 Value ($000) $203,791 Avg Close $38.79 Range $37.00 - $40.91

Q1 2019

Shares 3,707,866 Value ($000) $174,751 Avg Close $36.14 Range $32.70 - $38.77

Q4 2018

Shares 3,194,639 Value ($000) $134,974 Avg Close $35.19 Range $32.65 - $37.38

Q3 2018

Shares 2,598,627 Value ($000) $110,624 Avg Close $34.13 Range $32.72 - $35.18

Q2 2018

Shares 1,292,209 Value ($000) $54,686 Avg Close $32.46 Range $30.20 - $34.35

Q1 2018

Shares 1,119,424 Value ($000) $45,740 Avg Close $30.84 Range $28.88 - $33.21

Q4 2017

Shares 10,139 Value ($000) $432 Avg Close $33.80 Range $31.68 - $35.41

Q3 2017

Shares 498,591 Value ($000) $20,726 Avg Close $32.04 Range $30.14 - $33.72

Q2 2017

Shares 484,437 Value ($000) $19,459 Avg Close $30.93 Range $29.83 - $32.31

Q1 2017

Shares 717,094 Value ($000) $28,404 Avg Close $29.08 Range $27.58 - $30.63

Q4 2016

Shares 16,940 Value ($000) $642 Avg Close $27.74 Range $26.27 - $29.13

Q3 2016

Shares 9,547 Value ($000) $366 Avg Close $29.26 Range $27.72 - $30.41

Q2 2016

Shares 90,908 Value ($000) $3,609 Avg Close $27.46 Range $25.25 - $29.85

Q1 2016

Shares 82,853 Value ($000) $6,154 Avg Close $24.74 Range $22.13 - $27.34

Q4 2015

Shares 21,088 Value ($000) $1,317 Avg Close $21.84 Range $20.45 - $23.41

Q3 2015

Shares 105,238 Value ($000) $6,155 Avg Close $21.20 Range $19.59 - $22.72

Q2 2015

Shares 327,681 Value ($000) $18,914 Avg Close $21.63 Range $20.41 - $22.74

Q1 2015

Shares 467,889 Value ($000) $29,477 Avg Close $23.04 Range $21.25 - $25.01

Q4 2014

Shares 180,275 Value ($000) $11,974 Avg Close $21.73 Range $19.32 - $24.55

Q3 2014

Shares 323,018 Value ($000) $17,899 Avg Close $20.07 Range $19.08 - $21.06

Q2 2014

Shares 294,735 Value ($000) $17,937 Avg Close $19.98 Range $19.02 - $21.06

Q1 2014

Shares 269,308 Value ($000) $15,300 Avg Close $18.07 Range $16.97 - $19.54

Q4 2013

Shares 259,673 Value ($000) $13,399 Avg Close $17.48 Range $16.43 - $18.23

Q3 2013

Shares 163,822 Value ($000) $8,118 Avg Close $17.15 Range $16.21 - $18.15

Q2 2013

Shares 200,021 Value ($000) $10,084 Avg Close $16.89 Range $15.60 - $17.85

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	652,641	$42,428	$66.83	$64.30 - $69.59
Q3 2025	4,288,179	$289,066	$63.88	$59.07 - $67.04
Q2 2025	75,695	$4,577	$60.10	$55.76 - $64.19
Q1 2025	1,630	$105	$59.57	$54.52 - $64.99
Q4 2024	1,237,516	$73,187	$58.37	$54.30 - $62.16
Q3 2024	1,921,889	$116,639	$54.38	$48.12 - $58.63
Q2 2024	681,629	$34,695	$47.71	$44.54 - $49.81
Q3 2023	31,144	$1,509	$47.84	$44.23 - $51.62
Q2 2023	204,220	$10,717	$49.05	$46.13 - $51.23
Q1 2023	292,916	$15,642	$48.28	$45.19 - $50.77
Q4 2022	658,622	$36,363	$48.07	$42.22 - $51.90
Q3 2022	1,171,533	$62,080	$53.87	$47.25 - $57.82
Q2 2022	398,872	$23,378	$53.50	$48.14 - $57.66
Q1 2022	173,356	$10,831	$52.37	$48.33 - $55.78
Q4 2021	807,504	$49,637	$50.05	$47.35 - $54.07
Q3 2021	35,378	$1,980	$51.28	$47.64 - $54.21
Q2 2021	21,802	$1,216	$48.83	$45.94 - $51.03
Q4 2020	118,244	$6,093	$45.61	$40.48 - $49.39
Q3 2020	1,953,275	$100,887	$44.02	$39.84 - $46.94
Q2 2020	1,221,113	$58,418	$40.72	$36.29 - $45.31
Q1 2020	4,624,984	$223,341	$45.48	$31.34 - $50.16
Q4 2019	2,564,627	$140,336	$43.82	$42.11 - $45.80
Q3 2019	4,096,786	$220,939	$42.08	$39.53 - $44.83
Q2 2019	4,152,208	$203,791	$38.79	$37.00 - $40.91
Q1 2019	3,707,866	$174,751	$36.14	$32.70 - $38.77
Q4 2018	3,194,639	$134,974	$35.19	$32.65 - $37.38
Q3 2018	2,598,627	$110,624	$34.13	$32.72 - $35.18
Q2 2018	1,292,209	$54,686	$32.46	$30.20 - $34.35
Q1 2018	1,119,424	$45,740	$30.84	$28.88 - $33.21
Q4 2017	10,139	$432	$33.80	$31.68 - $35.41
Q3 2017	498,591	$20,726	$32.04	$30.14 - $33.72
Q2 2017	484,437	$19,459	$30.93	$29.83 - $32.31
Q1 2017	717,094	$28,404	$29.08	$27.58 - $30.63
Q4 2016	16,940	$642	$27.74	$26.27 - $29.13
Q3 2016	9,547	$366	$29.26	$27.72 - $30.41
Q2 2016	90,908	$3,609	$27.46	$25.25 - $29.85
Q1 2016	82,853	$6,154	$24.74	$22.13 - $27.34
Q4 2015	21,088	$1,317	$21.84	$20.45 - $23.41
Q3 2015	105,238	$6,155	$21.20	$19.59 - $22.72
Q2 2015	327,681	$18,914	$21.63	$20.41 - $22.74
Q1 2015	467,889	$29,477	$23.04	$21.25 - $25.01
Q4 2014	180,275	$11,974	$21.73	$19.32 - $24.55
Q3 2014	323,018	$17,899	$20.07	$19.08 - $21.06
Q2 2014	294,735	$17,937	$19.98	$19.02 - $21.06
Q1 2014	269,308	$15,300	$18.07	$16.97 - $19.54
Q4 2013	259,673	$13,399	$17.48	$16.43 - $18.23
Q3 2013	163,822	$8,118	$17.15	$16.21 - $18.15
Q2 2013	200,021	$10,084	$16.89	$15.60 - $17.85