ALLIANT ENERGY CORP

Ticker: LNT CUSIP: 018802108 Class: COM

LPL Financial LLC's Holding History (CIK: 0001403438)

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

Q4 2025

Shares 794,730 Value ($000) $51,665 Avg Close $66.83 Range $64.30 - $69.59

Q3 2025

Shares 794,270 Value ($000) $53,542 Avg Close $63.88 Range $59.07 - $67.04

Q2 2025

Shares 737,297 Value ($000) $44,584 Avg Close $60.10 Range $55.76 - $64.19

Q1 2025

Shares 640,109 Value ($000) $41,191 Avg Close $59.57 Range $54.52 - $64.99

Q4 2024

Shares 483,759 Value ($000) $28,610 Avg Close $58.37 Range $54.30 - $62.16

Q3 2024

Shares 461,850 Value ($000) $28,030 Avg Close $54.38 Range $48.12 - $58.63

Q2 2024

Shares 453,294 Value ($000) $23,073 Avg Close $47.71 Range $44.54 - $49.81

Q1 2024

Shares 353,366 Value ($000) $17,810 Avg Close $46.11 Range $44.14 - $48.90

Q4 2023

Shares 316,233 Value ($000) $16,223 Avg Close $46.45 Range $41.77 - $50.29

Q3 2023

Shares 305,651 Value ($000) $14,809 Avg Close $47.84 Range $44.23 - $51.62

Q2 2023

Shares 271,004 Value ($000) $14,222 Avg Close $49.05 Range $46.13 - $51.23

Q1 2023

Shares 254,323 Value ($000) $13,581 Avg Close $48.28 Range $45.19 - $50.77

Q4 2022

Shares 227,302 Value ($000) $12,549 Avg Close $48.07 Range $42.22 - $51.90

Q3 2022

Shares 219,433 Value ($000) $11,628 Avg Close $53.87 Range $47.25 - $57.82

Q2 2022

Shares 173,561 Value ($000) $10,172 Avg Close $53.50 Range $48.14 - $57.66

Q1 2022

Shares 156,175 Value ($000) $9,758 Avg Close $52.37 Range $48.33 - $55.78

Q4 2021

Shares 162,973 Value ($000) $10,018 Avg Close $50.05 Range $47.35 - $54.07

Q3 2021

Shares 148,552 Value ($000) $8,316 Avg Close $51.28 Range $47.64 - $54.21

Q2 2021

Shares 145,268 Value ($000) $8,100 Avg Close $48.83 Range $45.94 - $51.03

Q1 2021

Shares 146,666 Value ($000) $7,943 Avg Close $42.55 Range $39.42 - $47.06

Q4 2020

Shares 141,190 Value ($000) $7,276 Avg Close $45.61 Range $40.48 - $49.39

Q3 2020

Shares 134,958 Value ($000) $6,971 Avg Close $44.02 Range $39.84 - $46.94

Q2 2020

Shares 131,545 Value ($000) $6,293 Avg Close $40.72 Range $36.29 - $45.31

Q1 2020

Shares 124,360 Value ($000) $6,005 Avg Close $45.48 Range $31.34 - $50.16

Q4 2019

Shares 122,165 Value ($000) $6,685 Avg Close $43.82 Range $42.11 - $45.80

Q3 2019

Shares 121,343 Value ($000) $6,544 Avg Close $42.08 Range $39.53 - $44.83

Q2 2019

Shares 112,746 Value ($000) $5,534 Avg Close $38.79 Range $37.00 - $40.91

Q1 2019

Shares 108,549 Value ($000) $5,116 Avg Close $36.14 Range $32.70 - $38.77

Q4 2018

Shares 113,206 Value ($000) $4,783 Avg Close $35.19 Range $32.65 - $37.38

Q3 2018

Shares 111,983 Value ($000) $4,767 Avg Close $34.13 Range $32.72 - $35.18

Q2 2018

Shares 107,107 Value ($000) $4,533 Avg Close $32.46 Range $30.20 - $34.35

Q1 2018

Shares 99,791 Value ($000) $4,077 Avg Close $30.84 Range $28.88 - $33.21

Q4 2017

Shares 99,538 Value ($000) $4,241 Avg Close $33.80 Range $31.68 - $35.41

Q3 2017

Shares 31,078 Value ($000) $1,292 Avg Close $32.04 Range $30.14 - $33.72

Q2 2017

Shares 40,930 Value ($000) $1,644 Avg Close $30.93 Range $29.83 - $32.31

Q1 2017

Shares 41,995 Value ($000) $1,663 Avg Close $29.08 Range $27.58 - $30.63

Q4 2016

Shares 34,473 Value ($000) $1,308 Avg Close $27.74 Range $26.27 - $29.13

Q3 2016

Shares 29,714 Value ($000) $1,097 Avg Close $29.26 Range $27.72 - $30.41

Q2 2016

Shares 28,483 Value ($000) $1,162 Avg Close $27.46 Range $25.25 - $29.85

Q1 2016

Shares 20,534 Value ($000) $1,509 Avg Close $24.74 Range $22.13 - $27.34

Q4 2015

Shares 32,393 Value ($000) $2,026 Avg Close $21.84 Range $20.45 - $23.41

Q3 2015

Shares 16,469 Value ($000) $971 Avg Close $21.20 Range $19.59 - $22.72

Q2 2015

Shares 17,108 Value ($000) $1,011 Avg Close $21.63 Range $20.41 - $22.74

Q1 2015

Shares 20,820 Value ($000) $1,309 Avg Close $23.04 Range $21.25 - $25.01

Q4 2014

Shares 15,755 Value ($000) $1,046 Avg Close $21.73 Range $19.32 - $24.55

Q3 2014

Shares 11,198 Value ($000) $625 Avg Close $20.07 Range $19.08 - $21.06

Q2 2014

Shares 10,393 Value ($000) $632 Avg Close $19.98 Range $19.02 - $21.06

Q1 2014

Shares 8,230 Value ($000) $468 Avg Close $18.07 Range $16.97 - $19.54

Q4 2013

Shares 10,543 Value ($000) $544 Avg Close $17.48 Range $16.43 - $18.23

Q3 2013

Shares 9,946 Value ($000) $502 Avg Close $17.15 Range $16.21 - $18.15

Q2 2013

Shares 8,705 Value ($000) $439 Avg Close $16.89 Range $15.60 - $17.85

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	794,730	$51,665	$66.83	$64.30 - $69.59
Q3 2025	794,270	$53,542	$63.88	$59.07 - $67.04
Q2 2025	737,297	$44,584	$60.10	$55.76 - $64.19
Q1 2025	640,109	$41,191	$59.57	$54.52 - $64.99
Q4 2024	483,759	$28,610	$58.37	$54.30 - $62.16
Q3 2024	461,850	$28,030	$54.38	$48.12 - $58.63
Q2 2024	453,294	$23,073	$47.71	$44.54 - $49.81
Q1 2024	353,366	$17,810	$46.11	$44.14 - $48.90
Q4 2023	316,233	$16,223	$46.45	$41.77 - $50.29
Q3 2023	305,651	$14,809	$47.84	$44.23 - $51.62
Q2 2023	271,004	$14,222	$49.05	$46.13 - $51.23
Q1 2023	254,323	$13,581	$48.28	$45.19 - $50.77
Q4 2022	227,302	$12,549	$48.07	$42.22 - $51.90
Q3 2022	219,433	$11,628	$53.87	$47.25 - $57.82
Q2 2022	173,561	$10,172	$53.50	$48.14 - $57.66
Q1 2022	156,175	$9,758	$52.37	$48.33 - $55.78
Q4 2021	162,973	$10,018	$50.05	$47.35 - $54.07
Q3 2021	148,552	$8,316	$51.28	$47.64 - $54.21
Q2 2021	145,268	$8,100	$48.83	$45.94 - $51.03
Q1 2021	146,666	$7,943	$42.55	$39.42 - $47.06
Q4 2020	141,190	$7,276	$45.61	$40.48 - $49.39
Q3 2020	134,958	$6,971	$44.02	$39.84 - $46.94
Q2 2020	131,545	$6,293	$40.72	$36.29 - $45.31
Q1 2020	124,360	$6,005	$45.48	$31.34 - $50.16
Q4 2019	122,165	$6,685	$43.82	$42.11 - $45.80
Q3 2019	121,343	$6,544	$42.08	$39.53 - $44.83
Q2 2019	112,746	$5,534	$38.79	$37.00 - $40.91
Q1 2019	108,549	$5,116	$36.14	$32.70 - $38.77
Q4 2018	113,206	$4,783	$35.19	$32.65 - $37.38
Q3 2018	111,983	$4,767	$34.13	$32.72 - $35.18
Q2 2018	107,107	$4,533	$32.46	$30.20 - $34.35
Q1 2018	99,791	$4,077	$30.84	$28.88 - $33.21
Q4 2017	99,538	$4,241	$33.80	$31.68 - $35.41
Q3 2017	31,078	$1,292	$32.04	$30.14 - $33.72
Q2 2017	40,930	$1,644	$30.93	$29.83 - $32.31
Q1 2017	41,995	$1,663	$29.08	$27.58 - $30.63
Q4 2016	34,473	$1,308	$27.74	$26.27 - $29.13
Q3 2016	29,714	$1,097	$29.26	$27.72 - $30.41
Q2 2016	28,483	$1,162	$27.46	$25.25 - $29.85
Q1 2016	20,534	$1,509	$24.74	$22.13 - $27.34
Q4 2015	32,393	$2,026	$21.84	$20.45 - $23.41
Q3 2015	16,469	$971	$21.20	$19.59 - $22.72
Q2 2015	17,108	$1,011	$21.63	$20.41 - $22.74
Q1 2015	20,820	$1,309	$23.04	$21.25 - $25.01
Q4 2014	15,755	$1,046	$21.73	$19.32 - $24.55
Q3 2014	11,198	$625	$20.07	$19.08 - $21.06
Q2 2014	10,393	$632	$19.98	$19.02 - $21.06
Q1 2014	8,230	$468	$18.07	$16.97 - $19.54
Q4 2013	10,543	$544	$17.48	$16.43 - $18.23
Q3 2013	9,946	$502	$17.15	$16.21 - $18.15
Q2 2013	8,705	$439	$16.89	$15.60 - $17.85