ALLIANT ENERGY CORP

Ticker: LNT CUSIP: 018802108 Class: COM

Aigen Investment Management, LP's Holding History (CIK: 0001741224)

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

Q1 2025

Shares 7,274 Value ($000) $468 Avg Close $59.57 Range $54.52 - $64.99

Q4 2023

Shares 6,511 Value ($000) $334 Avg Close $46.45 Range $41.77 - $50.29

Q2 2023

Shares 10,983 Value ($000) $576 Avg Close $49.05 Range $46.13 - $51.23

Q3 2022

Shares 26,032 Value ($000) $1,379 Avg Close $53.87 Range $47.25 - $57.82

Q1 2022

Shares 59,165 Value ($000) $3,697 Avg Close $52.37 Range $48.33 - $55.78

Q4 2021

Shares 31,853 Value ($000) $1,885 Avg Close $50.05 Range $47.35 - $54.07

Q2 2021

Shares 30,121 Value ($000) $1,680 Avg Close $48.83 Range $45.94 - $51.03

Q4 2020

Shares 10,607 Value ($000) $547 Avg Close $45.61 Range $40.48 - $49.39

Q1 2020

Shares 13,563 Value ($000) $655 Avg Close $45.48 Range $31.34 - $50.16

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2025	7,274	$468	$59.57	$54.52 - $64.99
Q4 2023	6,511	$334	$46.45	$41.77 - $50.29
Q2 2023	10,983	$576	$49.05	$46.13 - $51.23
Q3 2022	26,032	$1,379	$53.87	$47.25 - $57.82
Q1 2022	59,165	$3,697	$52.37	$48.33 - $55.78
Q4 2021	31,853	$1,885	$50.05	$47.35 - $54.07
Q2 2021	30,121	$1,680	$48.83	$45.94 - $51.03
Q4 2020	10,607	$547	$45.61	$40.48 - $49.39
Q1 2020	13,563	$655	$45.48	$31.34 - $50.16