ALLIANT ENERGY CORP

Ticker: LNT CUSIP: 018802108 Class: COM

TWINBEECH CAPITAL LP's Holding History (CIK: 0001769646)

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

Q4 2025

Shares 12,500 Value ($000) $813 Avg Close $66.83 Range $64.30 - $69.59

Q2 2025

Shares 13,553 Value ($000) $820 Avg Close $60.10 Range $55.76 - $64.19

Q4 2023

Shares 176,884 Value ($000) $9,074 Avg Close $46.45 Range $41.77 - $50.29

Q3 2023

Shares 5,286 Value ($000) $256 Avg Close $47.84 Range $44.23 - $51.62

Q4 2022

Shares 108,551 Value ($000) $5,993 Avg Close $48.07 Range $42.22 - $51.90

Q4 2019

Shares 4,532 Value ($000) $248 Avg Close $43.82 Range $42.11 - $45.80

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	12,500	$813	$66.83	$64.30 - $69.59
Q2 2025	13,553	$820	$60.10	$55.76 - $64.19
Q4 2023	176,884	$9,074	$46.45	$41.77 - $50.29
Q3 2023	5,286	$256	$47.84	$44.23 - $51.62
Q4 2022	108,551	$5,993	$48.07	$42.22 - $51.90
Q4 2019	4,532	$248	$43.82	$42.11 - $45.80