ALLIANT ENERGY CORP

Ticker: LNT CUSIP: 018802108 Class: COM

JANE STREET GROUP, LLC's Holding History (CIK: 0001595888)

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

Q4 2025

Shares 93,466 Value ($000) $6,076 Avg Close $66.83 Range $64.30 - $69.59

Q3 2025

Shares 29,572 Value ($000) $1,993 Avg Close $63.88 Range $59.07 - $67.04

Q2 2025

Shares 191,744 Value ($000) $11,595 Avg Close $60.10 Range $55.76 - $64.19

Q1 2025

Shares 59,174 Value ($000) $3,808 Avg Close $59.57 Range $54.52 - $64.99

Q4 2024

Shares 5,836 Value ($000) $345 Avg Close $58.37 Range $54.30 - $62.16

Q3 2024

Shares 87,506 Value ($000) $5,311 Avg Close $54.38 Range $48.12 - $58.63

Q2 2024

Shares 166,404 Value ($000) $8,470 Avg Close $47.71 Range $44.54 - $49.81

Q1 2024

Shares 99,765 Value ($000) $5,028 Avg Close $46.11 Range $44.14 - $48.90

Q4 2023

Shares 362,331 Value ($000) $18,588 Avg Close $46.45 Range $41.77 - $50.29

Q3 2023

Shares 74,646 Value ($000) $3,617 Avg Close $47.84 Range $44.23 - $51.62

Q2 2023

Shares 45,525 Value ($000) $2,389 Avg Close $49.05 Range $46.13 - $51.23

Q1 2023

Shares 55,048 Value ($000) $2,940 Avg Close $48.28 Range $45.19 - $50.77

Q4 2022

Shares 51,248 Value ($000) $2,829 Avg Close $48.07 Range $42.22 - $51.90

Q3 2022

Shares 43,731 Value ($000) $2,317 Avg Close $53.87 Range $47.25 - $57.82

Q2 2022

Shares 8,353 Value ($000) $490 Avg Close $53.50 Range $48.14 - $57.66

Q1 2022

Shares 100,018 Value ($000) $6,249 Avg Close $52.37 Range $48.33 - $55.78

Q4 2021

Shares 16,406 Value ($000) $1,008 Avg Close $50.05 Range $47.35 - $54.07

Q3 2021

Shares 13,719 Value ($000) $768 Avg Close $51.28 Range $47.64 - $54.21

Q2 2021

Shares 12,229 Value ($000) $682 Avg Close $48.83 Range $45.94 - $51.03

Q3 2020

Shares 30,097 Value ($000) $1,555 Avg Close $44.02 Range $39.84 - $46.94

Q2 2020

Shares 51,456 Value ($000) $2,462 Avg Close $40.72 Range $36.29 - $45.31

Q1 2020

Shares 53,922 Value ($000) $2,604 Avg Close $45.48 Range $31.34 - $50.16

Q1 2019

Shares 6,081 Value ($000) $287 Avg Close $36.14 Range $32.70 - $38.77

Q3 2018

Shares 11,308 Value ($000) $481 Avg Close $34.13 Range $32.72 - $35.18

Q2 2018

Shares 6,773 Value ($000) $287 Avg Close $32.46 Range $30.20 - $34.35

Q1 2017

Shares 35,114 Value ($000) $1,391 Avg Close $29.08 Range $27.58 - $30.63

Q3 2016

Shares 33,916 Value ($000) $1,299 Avg Close $29.26 Range $27.72 - $30.41

Q2 2016

Shares 61,736 Value ($000) $2,451 Avg Close $27.46 Range $25.25 - $29.85

Q1 2014

Shares 6,355 Value ($000) $361 Avg Close $18.07 Range $16.97 - $19.54

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	93,466	$6,076	$66.83	$64.30 - $69.59
Q3 2025	29,572	$1,993	$63.88	$59.07 - $67.04
Q2 2025	191,744	$11,595	$60.10	$55.76 - $64.19
Q1 2025	59,174	$3,808	$59.57	$54.52 - $64.99
Q4 2024	5,836	$345	$58.37	$54.30 - $62.16
Q3 2024	87,506	$5,311	$54.38	$48.12 - $58.63
Q2 2024	166,404	$8,470	$47.71	$44.54 - $49.81
Q1 2024	99,765	$5,028	$46.11	$44.14 - $48.90
Q4 2023	362,331	$18,588	$46.45	$41.77 - $50.29
Q3 2023	74,646	$3,617	$47.84	$44.23 - $51.62
Q2 2023	45,525	$2,389	$49.05	$46.13 - $51.23
Q1 2023	55,048	$2,940	$48.28	$45.19 - $50.77
Q4 2022	51,248	$2,829	$48.07	$42.22 - $51.90
Q3 2022	43,731	$2,317	$53.87	$47.25 - $57.82
Q2 2022	8,353	$490	$53.50	$48.14 - $57.66
Q1 2022	100,018	$6,249	$52.37	$48.33 - $55.78
Q4 2021	16,406	$1,008	$50.05	$47.35 - $54.07
Q3 2021	13,719	$768	$51.28	$47.64 - $54.21
Q2 2021	12,229	$682	$48.83	$45.94 - $51.03
Q3 2020	30,097	$1,555	$44.02	$39.84 - $46.94
Q2 2020	51,456	$2,462	$40.72	$36.29 - $45.31
Q1 2020	53,922	$2,604	$45.48	$31.34 - $50.16
Q1 2019	6,081	$287	$36.14	$32.70 - $38.77
Q3 2018	11,308	$481	$34.13	$32.72 - $35.18
Q2 2018	6,773	$287	$32.46	$30.20 - $34.35
Q1 2017	35,114	$1,391	$29.08	$27.58 - $30.63
Q3 2016	33,916	$1,299	$29.26	$27.72 - $30.41
Q2 2016	61,736	$2,451	$27.46	$25.25 - $29.85
Q1 2014	6,355	$361	$18.07	$16.97 - $19.54