ALLIANT ENERGY CORP

Ticker: LNT CUSIP: 018802108 Class: COM

Atom Investors LP's Holding History (CIK: 0001738902)

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

Q4 2025

Shares 84,997 Value ($000) $5,526 Avg Close $66.83 Range $64.30 - $69.59

Q2 2024

Shares 12,538 Value ($000) $638 Avg Close $47.71 Range $44.54 - $49.81

Q1 2024

Shares 111,408 Value ($000) $5,615 Avg Close $46.11 Range $44.14 - $48.90

Q4 2023

Shares 61,051 Value ($000) $3,132 Avg Close $46.45 Range $41.77 - $50.29

Q3 2023

Shares 39,029 Value ($000) $1,891 Avg Close $47.84 Range $44.23 - $51.62

Q2 2023

Shares 27,601 Value ($000) $1,449 Avg Close $49.05 Range $46.13 - $51.23

Q3 2022

Shares 25,326 Value ($000) $1,342 Avg Close $53.87 Range $47.25 - $57.82

Q2 2022

Shares 26,973 Value ($000) $1,581 Avg Close $53.50 Range $48.14 - $57.66

Q1 2019

Shares 5,307 Value ($000) $250 Avg Close $36.14 Range $32.70 - $38.77

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	84,997	$5,526	$66.83	$64.30 - $69.59
Q2 2024	12,538	$638	$47.71	$44.54 - $49.81
Q1 2024	111,408	$5,615	$46.11	$44.14 - $48.90
Q4 2023	61,051	$3,132	$46.45	$41.77 - $50.29
Q3 2023	39,029	$1,891	$47.84	$44.23 - $51.62
Q2 2023	27,601	$1,449	$49.05	$46.13 - $51.23
Q3 2022	25,326	$1,342	$53.87	$47.25 - $57.82
Q2 2022	26,973	$1,581	$53.50	$48.14 - $57.66
Q1 2019	5,307	$250	$36.14	$32.70 - $38.77