ALLIANT ENERGY CORP

Ticker: LNT CUSIP: 018802108 Class: COM

BlackRock, Inc.'s Holding History (CIK: 0002012383)

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

Q4 2025

Shares 24,325,896 Value ($000) $1,581,427 Avg Close $66.83 Range $64.30 - $69.59

Q3 2025

Shares 24,031,970 Value ($000) $1,619,995 Avg Close $63.88 Range $59.07 - $67.04

Q2 2025

Shares 23,777,846 Value ($000) $1,437,846 Avg Close $60.10 Range $55.76 - $64.19

Q1 2025

Shares 23,599,327 Value ($000) $1,518,617 Avg Close $59.57 Range $54.52 - $64.99

Q4 2024

Shares 24,578,093 Value ($000) $1,453,548 Avg Close $58.37 Range $54.30 - $62.16

Q3 2024

Shares 23,083,372 Value ($000) $1,400,930 Avg Close $54.38 Range $48.12 - $58.63

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	24,325,896	$1,581,427	$66.83	$64.30 - $69.59
Q3 2025	24,031,970	$1,619,995	$63.88	$59.07 - $67.04
Q2 2025	23,777,846	$1,437,846	$60.10	$55.76 - $64.19
Q1 2025	23,599,327	$1,518,617	$59.57	$54.52 - $64.99
Q4 2024	24,578,093	$1,453,548	$58.37	$54.30 - $62.16
Q3 2024	23,083,372	$1,400,930	$54.38	$48.12 - $58.63