ALLIANT ENERGY CORP

Ticker: LNT CUSIP: 018802108 Class: COM

O'SHAUGHNESSY ASSET MANAGEMENT, LLC's Holding History (CIK: 0001423442)

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

Q4 2025

Shares 68,362 Value ($000) $4,444 Avg Close $66.83 Range $64.30 - $69.59

Q3 2025

Shares 80,387 Value ($000) $5,419 Avg Close $63.88 Range $59.07 - $67.04

Q2 2025

Shares 80,337 Value ($000) $4,858 Avg Close $60.10 Range $55.76 - $64.19

Q1 2025

Shares 80,491 Value ($000) $5,180 Avg Close $59.57 Range $54.52 - $64.99

Q4 2024

Shares 77,192 Value ($000) $4,565 Avg Close $58.37 Range $54.30 - $62.16

Q3 2024

Shares 62,119 Value ($000) $3,751 Avg Close $54.38 Range $48.12 - $58.63

Q2 2024

Shares 50,640 Value ($000) $2,578 Avg Close $47.71 Range $44.54 - $49.81

Q1 2024

Shares 44,537 Value ($000) $2,245 Avg Close $46.11 Range $44.14 - $48.90

Q4 2023

Shares 34,560 Value ($000) $1,773 Avg Close $46.45 Range $41.77 - $50.29

Q3 2023

Shares 33,794 Value ($000) $1,637 Avg Close $47.84 Range $44.23 - $51.62

Q2 2023

Shares 32,254 Value ($000) $1,693 Avg Close $49.05 Range $46.13 - $51.23

Q1 2023

Shares 4,742 Value ($000) $253 Avg Close $48.28 Range $45.19 - $50.77

Q4 2022

Shares 7,517 Value ($000) $415 Avg Close $48.07 Range $42.22 - $51.90

Q3 2022

Shares 8,548 Value ($000) $453 Avg Close $53.87 Range $47.25 - $57.82

Q2 2022

Shares 3,670 Value ($000) $215 Avg Close $53.50 Range $48.14 - $57.66

Q3 2021

Shares 784 Value ($000) $44 Avg Close $51.28 Range $47.64 - $54.21

Q2 2021

Shares 1,036 Value ($000) $58 Avg Close $48.83 Range $45.94 - $51.03

Q1 2021

Shares 1,036 Value ($000) $56 Avg Close $42.55 Range $39.42 - $47.06

Q4 2020

Shares 1,036 Value ($000) $53 Avg Close $45.61 Range $40.48 - $49.39

Q3 2020

Shares 226 Value ($000) $12 Avg Close $44.02 Range $39.84 - $46.94

Q2 2020

Shares 223 Value ($000) $11 Avg Close $40.72 Range $36.29 - $45.31

Q1 2020

Shares 14 Value ($000) $1 Avg Close $45.48 Range $31.34 - $50.16

Q4 2019

Shares 69 Value ($000) $4 Avg Close $43.82 Range $42.11 - $45.80

Q2 2019

Shares 1 Value ($000) $0 Avg Close $38.79 Range $37.00 - $40.91

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	68,362	$4,444	$66.83	$64.30 - $69.59
Q3 2025	80,387	$5,419	$63.88	$59.07 - $67.04
Q2 2025	80,337	$4,858	$60.10	$55.76 - $64.19
Q1 2025	80,491	$5,180	$59.57	$54.52 - $64.99
Q4 2024	77,192	$4,565	$58.37	$54.30 - $62.16
Q3 2024	62,119	$3,751	$54.38	$48.12 - $58.63
Q2 2024	50,640	$2,578	$47.71	$44.54 - $49.81
Q1 2024	44,537	$2,245	$46.11	$44.14 - $48.90
Q4 2023	34,560	$1,773	$46.45	$41.77 - $50.29
Q3 2023	33,794	$1,637	$47.84	$44.23 - $51.62
Q2 2023	32,254	$1,693	$49.05	$46.13 - $51.23
Q1 2023	4,742	$253	$48.28	$45.19 - $50.77
Q4 2022	7,517	$415	$48.07	$42.22 - $51.90
Q3 2022	8,548	$453	$53.87	$47.25 - $57.82
Q2 2022	3,670	$215	$53.50	$48.14 - $57.66
Q3 2021	784	$44	$51.28	$47.64 - $54.21
Q2 2021	1,036	$58	$48.83	$45.94 - $51.03
Q1 2021	1,036	$56	$42.55	$39.42 - $47.06
Q4 2020	1,036	$53	$45.61	$40.48 - $49.39
Q3 2020	226	$12	$44.02	$39.84 - $46.94
Q2 2020	223	$11	$40.72	$36.29 - $45.31
Q1 2020	14	$1	$45.48	$31.34 - $50.16
Q4 2019	69	$4	$43.82	$42.11 - $45.80
Q2 2019	1	$0	$38.79	$37.00 - $40.91