ALLIANT ENERGY CORP

Ticker: LNT CUSIP: 018802108 Class: COM

NORTHWESTERN MUTUAL WEALTH MANAGEMENT CO's Holding History (CIK: 0001141802)

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

Q4 2025

Shares 39,472 Value ($000) $2,566 Avg Close $66.83 Range $64.30 - $69.59

Q3 2025

Shares 38,462 Value ($000) $2,593 Avg Close $63.88 Range $59.07 - $67.04

Q2 2025

Shares 33,166 Value ($000) $2,006 Avg Close $60.10 Range $55.76 - $64.19

Q1 2025

Shares 27,761 Value ($000) $1,786 Avg Close $59.57 Range $54.52 - $64.99

Q4 2024

Shares 23,048 Value ($000) $1,363 Avg Close $58.37 Range $54.30 - $62.16

Q3 2024

Shares 23,143 Value ($000) $1,405 Avg Close $54.38 Range $48.12 - $58.63

Q2 2024

Shares 23,108 Value ($000) $1,176 Avg Close $47.71 Range $44.54 - $49.81

Q1 2024

Shares 27,473 Value ($000) $1,385 Avg Close $46.11 Range $44.14 - $48.90

Q4 2023

Shares 25,070 Value ($000) $1,286 Avg Close $46.45 Range $41.77 - $50.29

Q3 2023

Shares 28,636 Value ($000) $1,387 Avg Close $47.84 Range $44.23 - $51.62

Q2 2023

Shares 23,200 Value ($000) $1,218 Avg Close $49.05 Range $46.13 - $51.23

Q1 2023

Shares 22,012 Value ($000) $1,175 Avg Close $48.28 Range $45.19 - $50.77

Q4 2022

Shares 18,110 Value ($000) $1,000 Avg Close $48.07 Range $42.22 - $51.90

Q3 2022

Shares 16,626 Value ($000) $882 Avg Close $53.87 Range $47.25 - $57.82

Q2 2022

Shares 15,989 Value ($000) $937 Avg Close $53.50 Range $48.14 - $57.66

Q1 2022

Shares 15,853 Value ($000) $991 Avg Close $52.37 Range $48.33 - $55.78

Q4 2021

Shares 12,265 Value ($000) $754 Avg Close $50.05 Range $47.35 - $54.07

Q3 2021

Shares 12,757 Value ($000) $715 Avg Close $51.28 Range $47.64 - $54.21

Q2 2021

Shares 13,990 Value ($000) $779 Avg Close $48.83 Range $45.94 - $51.03

Q1 2021

Shares 18,606 Value ($000) $1,008 Avg Close $42.55 Range $39.42 - $47.06

Q4 2020

Shares 19,073 Value ($000) $983 Avg Close $45.61 Range $40.48 - $49.39

Q3 2020

Shares 16,409 Value ($000) $848 Avg Close $44.02 Range $39.84 - $46.94

Q2 2020

Shares 8,680 Value ($000) $416 Avg Close $40.72 Range $36.29 - $45.31

Q1 2020

Shares 11,615 Value ($000) $561 Avg Close $45.48 Range $31.34 - $50.16

Q4 2019

Shares 12,394 Value ($000) $678 Avg Close $43.82 Range $42.11 - $45.80

Q3 2019

Shares 11,931 Value ($000) $643 Avg Close $42.08 Range $39.53 - $44.83

Q2 2019

Shares 11,457 Value ($000) $562 Avg Close $38.79 Range $37.00 - $40.91

Q1 2019

Shares 12,597 Value ($000) $594 Avg Close $36.14 Range $32.70 - $38.77

Q4 2018

Shares 12,833 Value ($000) $542 Avg Close $35.19 Range $32.65 - $37.38

Q3 2018

Shares 12,958 Value ($000) $552 Avg Close $34.13 Range $32.72 - $35.18

Q2 2018

Shares 14,258 Value ($000) $603 Avg Close $32.46 Range $30.20 - $34.35

Q1 2018

Shares 8,255 Value ($000) $337 Avg Close $30.84 Range $28.88 - $33.21

Q4 2017

Shares 7,684 Value ($000) $327 Avg Close $33.80 Range $31.68 - $35.41

Q3 2017

Shares 7,849 Value ($000) $326 Avg Close $32.04 Range $30.14 - $33.72

Q2 2017

Shares 7,397 Value ($000) $297 Avg Close $30.93 Range $29.83 - $32.31

Q1 2017

Shares 4,642 Value ($000) $183 Avg Close $29.08 Range $27.58 - $30.63

Q4 2016

Shares 3,439 Value ($000) $130 Avg Close $27.74 Range $26.27 - $29.13

Q2 2016

Shares 2,843 Value ($000) $112 Avg Close $27.46 Range $25.25 - $29.85

Q1 2016

Shares 2,636 Value ($000) $195 Avg Close $24.74 Range $22.13 - $27.34

Q4 2015

Shares 339 Value ($000) $21 Avg Close $21.84 Range $20.45 - $23.41

Q3 2015

Shares 468 Value ($000) $27 Avg Close $21.20 Range $19.59 - $22.72

Q2 2015

Shares 816 Value ($000) $47 Avg Close $21.63 Range $20.41 - $22.74

Q1 2015

Shares 1,008 Value ($000) $64 Avg Close $23.04 Range $21.25 - $25.01

Q4 2014

Shares 2,102 Value ($000) $140 Avg Close $21.73 Range $19.32 - $24.55

Q3 2014

Shares 2,012 Value ($000) $111 Avg Close $20.07 Range $19.08 - $21.06

Q2 2014

Shares 1,912 Value ($000) $116 Avg Close $19.98 Range $19.02 - $21.06

Q1 2014

Shares 1,231 Value ($000) $70 Avg Close $18.07 Range $16.97 - $19.54

Q4 2013

Shares 912 Value ($000) $47 Avg Close $17.48 Range $16.43 - $18.23

Q3 2013

Shares 912 Value ($000) $45 Avg Close $17.15 Range $16.21 - $18.15

Q2 2013

Shares 866 Value ($000) $44 Avg Close $16.89 Range $15.60 - $17.85

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	39,472	$2,566	$66.83	$64.30 - $69.59
Q3 2025	38,462	$2,593	$63.88	$59.07 - $67.04
Q2 2025	33,166	$2,006	$60.10	$55.76 - $64.19
Q1 2025	27,761	$1,786	$59.57	$54.52 - $64.99
Q4 2024	23,048	$1,363	$58.37	$54.30 - $62.16
Q3 2024	23,143	$1,405	$54.38	$48.12 - $58.63
Q2 2024	23,108	$1,176	$47.71	$44.54 - $49.81
Q1 2024	27,473	$1,385	$46.11	$44.14 - $48.90
Q4 2023	25,070	$1,286	$46.45	$41.77 - $50.29
Q3 2023	28,636	$1,387	$47.84	$44.23 - $51.62
Q2 2023	23,200	$1,218	$49.05	$46.13 - $51.23
Q1 2023	22,012	$1,175	$48.28	$45.19 - $50.77
Q4 2022	18,110	$1,000	$48.07	$42.22 - $51.90
Q3 2022	16,626	$882	$53.87	$47.25 - $57.82
Q2 2022	15,989	$937	$53.50	$48.14 - $57.66
Q1 2022	15,853	$991	$52.37	$48.33 - $55.78
Q4 2021	12,265	$754	$50.05	$47.35 - $54.07
Q3 2021	12,757	$715	$51.28	$47.64 - $54.21
Q2 2021	13,990	$779	$48.83	$45.94 - $51.03
Q1 2021	18,606	$1,008	$42.55	$39.42 - $47.06
Q4 2020	19,073	$983	$45.61	$40.48 - $49.39
Q3 2020	16,409	$848	$44.02	$39.84 - $46.94
Q2 2020	8,680	$416	$40.72	$36.29 - $45.31
Q1 2020	11,615	$561	$45.48	$31.34 - $50.16
Q4 2019	12,394	$678	$43.82	$42.11 - $45.80
Q3 2019	11,931	$643	$42.08	$39.53 - $44.83
Q2 2019	11,457	$562	$38.79	$37.00 - $40.91
Q1 2019	12,597	$594	$36.14	$32.70 - $38.77
Q4 2018	12,833	$542	$35.19	$32.65 - $37.38
Q3 2018	12,958	$552	$34.13	$32.72 - $35.18
Q2 2018	14,258	$603	$32.46	$30.20 - $34.35
Q1 2018	8,255	$337	$30.84	$28.88 - $33.21
Q4 2017	7,684	$327	$33.80	$31.68 - $35.41
Q3 2017	7,849	$326	$32.04	$30.14 - $33.72
Q2 2017	7,397	$297	$30.93	$29.83 - $32.31
Q1 2017	4,642	$183	$29.08	$27.58 - $30.63
Q4 2016	3,439	$130	$27.74	$26.27 - $29.13
Q2 2016	2,843	$112	$27.46	$25.25 - $29.85
Q1 2016	2,636	$195	$24.74	$22.13 - $27.34
Q4 2015	339	$21	$21.84	$20.45 - $23.41
Q3 2015	468	$27	$21.20	$19.59 - $22.72
Q2 2015	816	$47	$21.63	$20.41 - $22.74
Q1 2015	1,008	$64	$23.04	$21.25 - $25.01
Q4 2014	2,102	$140	$21.73	$19.32 - $24.55
Q3 2014	2,012	$111	$20.07	$19.08 - $21.06
Q2 2014	1,912	$116	$19.98	$19.02 - $21.06
Q1 2014	1,231	$70	$18.07	$16.97 - $19.54
Q4 2013	912	$47	$17.48	$16.43 - $18.23
Q3 2013	912	$45	$17.15	$16.21 - $18.15
Q2 2013	866	$44	$16.89	$15.60 - $17.85