ALLIANT ENERGY CORP

Ticker: LNT CUSIP: 018802108 Class: COM

Mn Services Vermogensbeheer B.V.'s Holding History (CIK: 0001666940)

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

Q4 2025

Shares 97,489 Value ($000) $6 Avg Close $66.83 Range $64.30 - $69.59

Q3 2025

Shares 96,000 Value ($000) $6 Avg Close $63.88 Range $59.07 - $67.04

Q2 2025

Shares 96,000 Value ($000) $6 Avg Close $60.10 Range $55.76 - $64.19

Q4 2023

Shares 66,000 Value ($000) $3 Avg Close $46.45 Range $41.77 - $50.29

Q3 2023

Shares 70,400 Value ($000) $3 Avg Close $47.84 Range $44.23 - $51.62

Q2 2023

Shares 70,400 Value ($000) $4 Avg Close $49.05 Range $46.13 - $51.23

Q1 2023

Shares 76,400 Value ($000) $4 Avg Close $48.28 Range $45.19 - $50.77

Q4 2022

Shares 71,400 Value ($000) $4 Avg Close $48.07 Range $42.22 - $51.90

Q3 2022

Shares 78,700 Value ($000) $4,170 Avg Close $53.87 Range $47.25 - $57.82

Q2 2022

Shares 87,000 Value ($000) $5,099 Avg Close $53.50 Range $48.14 - $57.66

Q2 2019

Shares 43,259 Value ($000) $2,123 Avg Close $38.79 Range $37.00 - $40.91

Q1 2019

Shares 131,286 Value ($000) $6,188 Avg Close $36.14 Range $32.70 - $38.77

Q4 2018

Shares 126,386 Value ($000) $4,671 Avg Close $35.19 Range $32.65 - $37.38

Q3 2018

Shares 35,459 Value ($000) $1,509 Avg Close $34.13 Range $32.72 - $35.18

Q2 2018

Shares 35,459 Value ($000) $1,501 Avg Close $32.46 Range $30.20 - $34.35

Q1 2018

Shares 35,459 Value ($000) $1,449 Avg Close $30.84 Range $28.88 - $33.21

Q4 2017

Shares 35,459 Value ($000) $1,258 Avg Close $33.80 Range $31.68 - $35.41

Q3 2017

Shares 36,959 Value ($000) $1,536 Avg Close $32.04 Range $30.14 - $33.72

Q2 2017

Shares 36,959 Value ($000) $1,485 Avg Close $30.93 Range $29.83 - $32.31

Q1 2017

Shares 6,067 Value ($000) $225 Avg Close $29.08 Range $27.58 - $30.63

Q4 2016

Shares 5,765 Value ($000) $207 Avg Close $27.74 Range $26.27 - $29.13

Q3 2016

Shares 5,765 Value ($000) $221 Avg Close $29.26 Range $27.72 - $30.41

Q2 2016

Shares 5,765 Value ($000) $206 Avg Close $27.46 Range $25.25 - $29.85

Q1 2016

Shares 2,807 Value ($000) $183 Avg Close $24.74 Range $22.13 - $27.34

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	97,489	$6	$66.83	$64.30 - $69.59
Q3 2025	96,000	$6	$63.88	$59.07 - $67.04
Q2 2025	96,000	$6	$60.10	$55.76 - $64.19
Q4 2023	66,000	$3	$46.45	$41.77 - $50.29
Q3 2023	70,400	$3	$47.84	$44.23 - $51.62
Q2 2023	70,400	$4	$49.05	$46.13 - $51.23
Q1 2023	76,400	$4	$48.28	$45.19 - $50.77
Q4 2022	71,400	$4	$48.07	$42.22 - $51.90
Q3 2022	78,700	$4,170	$53.87	$47.25 - $57.82
Q2 2022	87,000	$5,099	$53.50	$48.14 - $57.66
Q2 2019	43,259	$2,123	$38.79	$37.00 - $40.91
Q1 2019	131,286	$6,188	$36.14	$32.70 - $38.77
Q4 2018	126,386	$4,671	$35.19	$32.65 - $37.38
Q3 2018	35,459	$1,509	$34.13	$32.72 - $35.18
Q2 2018	35,459	$1,501	$32.46	$30.20 - $34.35
Q1 2018	35,459	$1,449	$30.84	$28.88 - $33.21
Q4 2017	35,459	$1,258	$33.80	$31.68 - $35.41
Q3 2017	36,959	$1,536	$32.04	$30.14 - $33.72
Q2 2017	36,959	$1,485	$30.93	$29.83 - $32.31
Q1 2017	6,067	$225	$29.08	$27.58 - $30.63
Q4 2016	5,765	$207	$27.74	$26.27 - $29.13
Q3 2016	5,765	$221	$29.26	$27.72 - $30.41
Q2 2016	5,765	$206	$27.46	$25.25 - $29.85
Q1 2016	2,807	$183	$24.74	$22.13 - $27.34