ALLIANT ENERGY CORP

Ticker: LNT CUSIP: 018802108 Class: COM

MERCER GLOBAL ADVISORS INC /ADV's Holding History (CIK: 0000853758)

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

Q4 2025

Shares 33,360 Value ($000) $2,169 Avg Close $66.83 Range $64.30 - $69.59

Q3 2025

Shares 30,876 Value ($000) $2,081 Avg Close $63.88 Range $59.07 - $67.04

Q2 2025

Shares 24,374 Value ($000) $1,474 Avg Close $60.10 Range $55.76 - $64.19

Q1 2025

Shares 23,647 Value ($000) $1,522 Avg Close $59.57 Range $54.52 - $64.99

Q4 2024

Shares 23,664 Value ($000) $1,399 Avg Close $58.37 Range $54.30 - $62.16

Q4 2023

Shares 21,048 Value ($000) $1 Avg Close $46.45 Range $41.77 - $50.29

Q3 2023

Shares 20,663 Value ($000) $1 Avg Close $47.84 Range $44.23 - $51.62

Q2 2023

Shares 26,801 Value ($000) $1 Avg Close $49.05 Range $46.13 - $51.23

Q1 2023

Shares 28,352 Value ($000) $2 Avg Close $48.28 Range $45.19 - $50.77

Q4 2022

Shares 30,285 Value ($000) $2 Avg Close $48.07 Range $42.22 - $51.90

Q3 2022

Shares 29,419 Value ($000) $1,559 Avg Close $53.87 Range $47.25 - $57.82

Q2 2022

Shares 32,553 Value ($000) $1,908 Avg Close $53.50 Range $48.14 - $57.66

Q1 2022

Shares 9,327 Value ($000) $583 Avg Close $52.37 Range $48.33 - $55.78

Q4 2021

Shares 15,324 Value ($000) $942 Avg Close $50.05 Range $47.35 - $54.07

Q3 2021

Shares 14,122 Value ($000) $791 Avg Close $51.28 Range $47.64 - $54.21

Q2 2021

Shares 14,143 Value ($000) $789 Avg Close $48.83 Range $45.94 - $51.03

Q1 2021

Shares 13,339 Value ($000) $723 Avg Close $42.55 Range $39.42 - $47.06

Q4 2020

Shares 10,838 Value ($000) $558 Avg Close $45.61 Range $40.48 - $49.39

Q3 2020

Shares 11,257 Value ($000) $581 Avg Close $44.02 Range $39.84 - $46.94

Q2 2020

Shares 10,555 Value ($000) $505 Avg Close $40.72 Range $36.29 - $45.31

Q1 2020

Shares 8,189 Value ($000) $395 Avg Close $45.48 Range $31.34 - $50.16

Q4 2019

Shares 8,301 Value ($000) $454 Avg Close $43.82 Range $42.11 - $45.80

Q3 2019

Shares 8,247 Value ($000) $444 Avg Close $42.08 Range $39.53 - $44.83

Q2 2019

Shares 7,946 Value ($000) $390 Avg Close $38.79 Range $37.00 - $40.91

Q1 2019

Shares 7,361 Value ($000) $311 Avg Close $36.14 Range $32.70 - $38.77

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	33,360	$2,169	$66.83	$64.30 - $69.59
Q3 2025	30,876	$2,081	$63.88	$59.07 - $67.04
Q2 2025	24,374	$1,474	$60.10	$55.76 - $64.19
Q1 2025	23,647	$1,522	$59.57	$54.52 - $64.99
Q4 2024	23,664	$1,399	$58.37	$54.30 - $62.16
Q4 2023	21,048	$1	$46.45	$41.77 - $50.29
Q3 2023	20,663	$1	$47.84	$44.23 - $51.62
Q2 2023	26,801	$1	$49.05	$46.13 - $51.23
Q1 2023	28,352	$2	$48.28	$45.19 - $50.77
Q4 2022	30,285	$2	$48.07	$42.22 - $51.90
Q3 2022	29,419	$1,559	$53.87	$47.25 - $57.82
Q2 2022	32,553	$1,908	$53.50	$48.14 - $57.66
Q1 2022	9,327	$583	$52.37	$48.33 - $55.78
Q4 2021	15,324	$942	$50.05	$47.35 - $54.07
Q3 2021	14,122	$791	$51.28	$47.64 - $54.21
Q2 2021	14,143	$789	$48.83	$45.94 - $51.03
Q1 2021	13,339	$723	$42.55	$39.42 - $47.06
Q4 2020	10,838	$558	$45.61	$40.48 - $49.39
Q3 2020	11,257	$581	$44.02	$39.84 - $46.94
Q2 2020	10,555	$505	$40.72	$36.29 - $45.31
Q1 2020	8,189	$395	$45.48	$31.34 - $50.16
Q4 2019	8,301	$454	$43.82	$42.11 - $45.80
Q3 2019	8,247	$444	$42.08	$39.53 - $44.83
Q2 2019	7,946	$390	$38.79	$37.00 - $40.91
Q1 2019	7,361	$311	$36.14	$32.70 - $38.77