ALLIANT ENERGY CORP

Ticker: LNT CUSIP: 018802108 Class: COM

Zurcher Kantonalbank (Zurich Cantonalbank)'s Holding History (CIK: 0001368163)

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

Q4 2025

Shares 79,195 Value ($000) $5,148 Avg Close $66.83 Range $64.30 - $69.59

Q3 2025

Shares 74,967 Value ($000) $5,054 Avg Close $63.88 Range $59.07 - $67.04

Q2 2025

Shares 71,783 Value ($000) $4,341 Avg Close $60.10 Range $55.76 - $64.19

Q1 2025

Shares 69,847 Value ($000) $4,495 Avg Close $59.57 Range $54.52 - $64.99

Q4 2024

Shares 67,140 Value ($000) $3,971 Avg Close $58.37 Range $54.30 - $62.16

Q3 2024

Shares 69,537 Value ($000) $4,220 Avg Close $54.38 Range $48.12 - $58.63

Q2 2024

Shares 69,476 Value ($000) $3,536 Avg Close $47.71 Range $44.54 - $49.81

Q1 2024

Shares 43,742 Value ($000) $2,205 Avg Close $46.11 Range $44.14 - $48.90

Q4 2023

Shares 44,071 Value ($000) $2,261 Avg Close $46.45 Range $41.77 - $50.29

Q3 2023

Shares 48,870 Value ($000) $2,368 Avg Close $47.84 Range $44.23 - $51.62

Q2 2023

Shares 48,907 Value ($000) $2,567 Avg Close $49.05 Range $46.13 - $51.23

Q1 2023

Shares 39,533 Value ($000) $2,111 Avg Close $48.28 Range $45.19 - $50.77

Q4 2022

Shares 32,751 Value ($000) $1,808 Avg Close $48.07 Range $42.22 - $51.90

Q3 2022

Shares 43,925 Value ($000) $2,328 Avg Close $53.87 Range $47.25 - $57.82

Q2 2022

Shares 35,153 Value ($000) $2,060 Avg Close $53.50 Range $48.14 - $57.66

Q1 2022

Shares 35,167 Value ($000) $2,197 Avg Close $52.37 Range $48.33 - $55.78

Q4 2021

Shares 41,388 Value ($000) $2,544 Avg Close $50.05 Range $47.35 - $54.07

Q3 2021

Shares 43,295 Value ($000) $2,424 Avg Close $51.28 Range $47.64 - $54.21

Q2 2021

Shares 43,979 Value ($000) $2,452 Avg Close $48.83 Range $45.94 - $51.03

Q1 2021

Shares 43,979 Value ($000) $2,382 Avg Close $42.55 Range $39.42 - $47.06

Q4 2020

Shares 43,917 Value ($000) $2,263 Avg Close $45.61 Range $40.48 - $49.39

Q3 2020

Shares 43,917 Value ($000) $2,268 Avg Close $44.02 Range $39.84 - $46.94

Q2 2020

Shares 31,703 Value ($000) $1,517 Avg Close $40.72 Range $36.29 - $45.31

Q1 2020

Shares 45,415 Value ($000) $2,193 Avg Close $45.48 Range $31.34 - $50.16

Q4 2019

Shares 42,758 Value ($000) $2,340 Avg Close $43.82 Range $42.11 - $45.80

Q3 2019

Shares 42,758 Value ($000) $2,306 Avg Close $42.08 Range $39.53 - $44.83

Q2 2019

Shares 40,132 Value ($000) $1,970 Avg Close $38.79 Range $37.00 - $40.91

Q1 2019

Shares 43,036 Value ($000) $2,028 Avg Close $36.14 Range $32.70 - $38.77

Q4 2018

Shares 41,203 Value ($000) $1,741 Avg Close $35.19 Range $32.65 - $37.38

Q3 2018

Shares 40,971 Value ($000) $1,744 Avg Close $34.13 Range $32.72 - $35.18

Q2 2018

Shares 36,063 Value ($000) $1,526 Avg Close $32.46 Range $30.20 - $34.35

Q1 2018

Shares 36,063 Value ($000) $1,474 Avg Close $30.84 Range $28.88 - $33.21

Q4 2017

Shares 40,423 Value ($000) $1,722 Avg Close $33.80 Range $31.68 - $35.41

Q3 2017

Shares 40,423 Value ($000) $1,680 Avg Close $32.04 Range $30.14 - $33.72

Q2 2017

Shares 40,423 Value ($000) $1,624 Avg Close $30.93 Range $29.83 - $32.31

Q1 2017

Shares 40,423 Value ($000) $1,601 Avg Close $29.08 Range $27.58 - $30.63

Q4 2016

Shares 41,786 Value ($000) $1,583 Avg Close $27.74 Range $26.27 - $29.13

Q3 2016

Shares 43,372 Value ($000) $1,662 Avg Close $29.26 Range $27.72 - $30.41

Q2 2016

Shares 24,572 Value ($000) $976 Avg Close $27.46 Range $25.25 - $29.85

Q1 2016

Shares 10,694 Value ($000) $794 Avg Close $24.74 Range $22.13 - $27.34

Q4 2015

Shares 10,694 Value ($000) $668 Avg Close $21.84 Range $20.45 - $23.41

Q3 2015

Shares 13,812 Value ($000) $808 Avg Close $21.20 Range $19.59 - $22.72

Q2 2015

Shares 13,812 Value ($000) $797 Avg Close $21.63 Range $20.41 - $22.74

Q1 2015

Shares 13,812 Value ($000) $870 Avg Close $23.04 Range $21.25 - $25.01

Q4 2014

Shares 8,704 Value ($000) $578 Avg Close $21.73 Range $19.32 - $24.55

Q3 2014

Shares 7,754 Value ($000) $430 Avg Close $20.07 Range $19.08 - $21.06

Q2 2014

Shares 7,754 Value ($000) $472 Avg Close $19.98 Range $19.02 - $21.06

Q1 2014

Shares 7,754 Value ($000) $441 Avg Close $18.07 Range $16.97 - $19.54

Q4 2013

Shares 6,355 Value ($000) $328 Avg Close $17.48 Range $16.43 - $18.23

Q3 2013

Shares 6,244 Value ($000) $309 Avg Close $17.15 Range $16.21 - $18.15

Q2 2013

Shares 6,244 Value ($000) $315 Avg Close $16.89 Range $15.60 - $17.85

Q1 2013

Shares 4,792 Value ($000) $240 Avg Close $15.50 Range $14.30 - $16.60

Q4 2012

Shares 3,784 Value ($000) $166 Avg Close — Range —

Q3 2012

Shares 3,784 Value ($000) $164 Avg Close — Range —

Q2 2012

Shares 3,424 Value ($000) $156 Avg Close — Range —

Q1 2012

Shares 3,217 Value ($000) $139 Avg Close — Range —

Q4 2011

Shares 1,772 Value ($000) $78 Avg Close — Range —

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	79,195	$5,148	$66.83	$64.30 - $69.59
Q3 2025	74,967	$5,054	$63.88	$59.07 - $67.04
Q2 2025	71,783	$4,341	$60.10	$55.76 - $64.19
Q1 2025	69,847	$4,495	$59.57	$54.52 - $64.99
Q4 2024	67,140	$3,971	$58.37	$54.30 - $62.16
Q3 2024	69,537	$4,220	$54.38	$48.12 - $58.63
Q2 2024	69,476	$3,536	$47.71	$44.54 - $49.81
Q1 2024	43,742	$2,205	$46.11	$44.14 - $48.90
Q4 2023	44,071	$2,261	$46.45	$41.77 - $50.29
Q3 2023	48,870	$2,368	$47.84	$44.23 - $51.62
Q2 2023	48,907	$2,567	$49.05	$46.13 - $51.23
Q1 2023	39,533	$2,111	$48.28	$45.19 - $50.77
Q4 2022	32,751	$1,808	$48.07	$42.22 - $51.90
Q3 2022	43,925	$2,328	$53.87	$47.25 - $57.82
Q2 2022	35,153	$2,060	$53.50	$48.14 - $57.66
Q1 2022	35,167	$2,197	$52.37	$48.33 - $55.78
Q4 2021	41,388	$2,544	$50.05	$47.35 - $54.07
Q3 2021	43,295	$2,424	$51.28	$47.64 - $54.21
Q2 2021	43,979	$2,452	$48.83	$45.94 - $51.03
Q1 2021	43,979	$2,382	$42.55	$39.42 - $47.06
Q4 2020	43,917	$2,263	$45.61	$40.48 - $49.39
Q3 2020	43,917	$2,268	$44.02	$39.84 - $46.94
Q2 2020	31,703	$1,517	$40.72	$36.29 - $45.31
Q1 2020	45,415	$2,193	$45.48	$31.34 - $50.16
Q4 2019	42,758	$2,340	$43.82	$42.11 - $45.80
Q3 2019	42,758	$2,306	$42.08	$39.53 - $44.83
Q2 2019	40,132	$1,970	$38.79	$37.00 - $40.91
Q1 2019	43,036	$2,028	$36.14	$32.70 - $38.77
Q4 2018	41,203	$1,741	$35.19	$32.65 - $37.38
Q3 2018	40,971	$1,744	$34.13	$32.72 - $35.18
Q2 2018	36,063	$1,526	$32.46	$30.20 - $34.35
Q1 2018	36,063	$1,474	$30.84	$28.88 - $33.21
Q4 2017	40,423	$1,722	$33.80	$31.68 - $35.41
Q3 2017	40,423	$1,680	$32.04	$30.14 - $33.72
Q2 2017	40,423	$1,624	$30.93	$29.83 - $32.31
Q1 2017	40,423	$1,601	$29.08	$27.58 - $30.63
Q4 2016	41,786	$1,583	$27.74	$26.27 - $29.13
Q3 2016	43,372	$1,662	$29.26	$27.72 - $30.41
Q2 2016	24,572	$976	$27.46	$25.25 - $29.85
Q1 2016	10,694	$794	$24.74	$22.13 - $27.34
Q4 2015	10,694	$668	$21.84	$20.45 - $23.41
Q3 2015	13,812	$808	$21.20	$19.59 - $22.72
Q2 2015	13,812	$797	$21.63	$20.41 - $22.74
Q1 2015	13,812	$870	$23.04	$21.25 - $25.01
Q4 2014	8,704	$578	$21.73	$19.32 - $24.55
Q3 2014	7,754	$430	$20.07	$19.08 - $21.06
Q2 2014	7,754	$472	$19.98	$19.02 - $21.06
Q1 2014	7,754	$441	$18.07	$16.97 - $19.54
Q4 2013	6,355	$328	$17.48	$16.43 - $18.23
Q3 2013	6,244	$309	$17.15	$16.21 - $18.15
Q2 2013	6,244	$315	$16.89	$15.60 - $17.85
Q1 2013	4,792	$240	$15.50	$14.30 - $16.60
Q4 2012	3,784	$166	—	—
Q3 2012	3,784	$164	—	—
Q2 2012	3,424	$156	—	—
Q1 2012	3,217	$139	—	—
Q4 2011	1,772	$78	—	—