ALLIANT ENERGY CORP

Ticker: LNT CUSIP: 018802108 Class: COM

Aventail Capital Group, LP's Holding History (CIK: 0001803822)

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

Q4 2025

Shares 440,362 Value ($000) $28,628 Avg Close $66.83 Range $64.30 - $69.59

Q3 2025

Shares 244,725 Value ($000) $16,497 Avg Close $63.88 Range $59.07 - $67.04

Q2 2025

Shares 67,770 Value ($000) $4,098 Avg Close $60.10 Range $55.76 - $64.19

Q1 2025

Shares 84,256 Value ($000) $5,422 Avg Close $59.57 Range $54.52 - $64.99

Q4 2024

Shares 86,408 Value ($000) $5,110 Avg Close $58.37 Range $54.30 - $62.16

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	440,362	$28,628	$66.83	$64.30 - $69.59
Q3 2025	244,725	$16,497	$63.88	$59.07 - $67.04
Q2 2025	67,770	$4,098	$60.10	$55.76 - $64.19
Q1 2025	84,256	$5,422	$59.57	$54.52 - $64.99
Q4 2024	86,408	$5,110	$58.37	$54.30 - $62.16