ALLIANT ENERGY CORP

Ticker: LNT CUSIP: 018802108 Class: COM

BANK OF MONTREAL /CAN/'s Holding History (CIK: 0000927971)

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

Q4 2025

Shares 210,918 Value ($000) $13,712 Avg Close $66.83 Range $64.30 - $69.59

Q3 2025

Shares 183,993 Value ($000) $12,403 Avg Close $63.88 Range $59.07 - $67.04

Q2 2025

Shares 179,791 Value ($000) $10,872 Avg Close $60.10 Range $55.76 - $64.19

Q1 2025

Shares 282,590 Value ($000) $18,185 Avg Close $59.57 Range $54.52 - $64.99

Q4 2024

Shares 322,714 Value ($000) $19,085 Avg Close $58.37 Range $54.30 - $62.16

Q3 2024

Shares 332,343 Value ($000) $20,187 Avg Close $54.38 Range $48.12 - $58.63

Q2 2024

Shares 227,357 Value ($000) $11,582 Avg Close $47.71 Range $44.54 - $49.81

Q1 2024

Shares 154,183 Value ($000) $7,777 Avg Close $46.11 Range $44.14 - $48.90

Q4 2023

Shares 218,567 Value ($000) $11,219 Avg Close $46.45 Range $41.77 - $50.29

Q3 2023

Shares 137,601 Value ($000) $7,164 Avg Close $47.84 Range $44.23 - $51.62

Q2 2023

Shares 128,899 Value ($000) $6,933 Avg Close $49.05 Range $46.13 - $51.23

Q1 2023

Shares 122,924 Value ($000) $6,568 Avg Close $48.28 Range $45.19 - $50.77

Q4 2022

Shares 193,123 Value ($000) $10,670 Avg Close $48.07 Range $42.22 - $51.90

Q3 2022

Shares 107,571 Value ($000) $5,920 Avg Close $53.87 Range $47.25 - $57.82

Q2 2022

Shares 114,412 Value ($000) $6,652 Avg Close $53.50 Range $48.14 - $57.66

Q1 2022

Shares 116,860 Value ($000) $7,347 Avg Close $52.37 Range $48.33 - $55.78

Q4 2021

Shares 181,084 Value ($000) $11,133 Avg Close $50.05 Range $47.35 - $54.07

Q3 2021

Shares 199,008 Value ($000) $11,801 Avg Close $51.28 Range $47.64 - $54.21

Q2 2021

Shares 155,484 Value ($000) $9,051 Avg Close $48.83 Range $45.94 - $51.03

Q1 2021

Shares 123,616 Value ($000) $6,694 Avg Close $42.55 Range $39.42 - $47.06

Q4 2020

Shares 172,086 Value ($000) $8,355 Avg Close $45.61 Range $40.48 - $49.39

Q3 2020

Shares 99,823 Value ($000) $5,430 Avg Close $44.02 Range $39.84 - $46.94

Q2 2020

Shares 100,886 Value ($000) $4,868 Avg Close $40.72 Range $36.29 - $45.31

Q1 2020

Shares 105,293 Value ($000) $4,941 Avg Close $45.48 Range $31.34 - $50.16

Q4 2019

Shares 443,438 Value ($000) $24,266 Avg Close $43.82 Range $42.11 - $45.80

Q3 2019

Shares 86,263 Value ($000) $4,652 Avg Close $42.08 Range $39.53 - $44.83

Q2 2019

Shares 87,506 Value ($000) $4,295 Avg Close $38.79 Range $37.00 - $40.91

Q1 2019

Shares 67,455 Value ($000) $3,179 Avg Close $36.14 Range $32.70 - $38.77

Q4 2018

Shares 242,475 Value ($000) $10,245 Avg Close $35.19 Range $32.65 - $37.38

Q3 2018

Shares 214,278 Value ($000) $9,123 Avg Close $34.13 Range $32.72 - $35.18

Q2 2018

Shares 170,570 Value ($000) $7,219 Avg Close $32.46 Range $30.20 - $34.35

Q1 2018

Shares 115,658 Value ($000) $4,727 Avg Close $30.84 Range $28.88 - $33.21

Q4 2017

Shares 134,722 Value ($000) $5,740 Avg Close $33.80 Range $31.68 - $35.41

Q3 2017

Shares 144,323 Value ($000) $5,998 Avg Close $32.04 Range $30.14 - $33.72

Q2 2017

Shares 210,300 Value ($000) $8,448 Avg Close $30.93 Range $29.83 - $32.31

Q1 2017

Shares 81,017 Value ($000) $3,208 Avg Close $29.08 Range $27.58 - $30.63

Q4 2016

Shares 77,065 Value ($000) $2,768 Avg Close $27.74 Range $26.27 - $29.13

Q3 2016

Shares 87,531 Value ($000) $3,354 Avg Close $29.26 Range $27.72 - $30.41

Q2 2016

Shares 82,986 Value ($000) $3,294 Avg Close $27.46 Range $25.25 - $29.85

Q1 2016

Shares 57,444 Value ($000) $4,267 Avg Close $24.74 Range $22.13 - $27.34

Q4 2015

Shares 57,367 Value ($000) $3,582 Avg Close $21.84 Range $20.45 - $23.41

Q3 2015

Shares 54,436 Value ($000) $3,184 Avg Close $21.20 Range $19.59 - $22.72

Q2 2015

Shares 38,373 Value ($000) $2,216 Avg Close $21.63 Range $20.41 - $22.74

Q1 2015

Shares 43,617 Value ($000) $2,749 Avg Close $23.04 Range $21.25 - $25.01

Q4 2014

Shares 45,446 Value ($000) $3,019 Avg Close $21.73 Range $19.32 - $24.55

Q3 2014

Shares 16,407 Value ($000) $909 Avg Close $20.07 Range $19.08 - $21.06

Q2 2014

Shares 20,514 Value ($000) $1,248 Avg Close $19.98 Range $19.02 - $21.06

Q1 2014

Shares 17,730 Value ($000) $1,007 Avg Close $18.07 Range $16.97 - $19.54

Q4 2013

Shares 19,616 Value ($000) $1,013 Avg Close $17.48 Range $16.43 - $18.23

Q3 2013

Shares 15,366 Value ($000) $762 Avg Close $17.15 Range $16.21 - $18.15

Q2 2013

Shares 17,159 Value ($000) $865 Avg Close $16.89 Range $15.60 - $17.85

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	210,918	$13,712	$66.83	$64.30 - $69.59
Q3 2025	183,993	$12,403	$63.88	$59.07 - $67.04
Q2 2025	179,791	$10,872	$60.10	$55.76 - $64.19
Q1 2025	282,590	$18,185	$59.57	$54.52 - $64.99
Q4 2024	322,714	$19,085	$58.37	$54.30 - $62.16
Q3 2024	332,343	$20,187	$54.38	$48.12 - $58.63
Q2 2024	227,357	$11,582	$47.71	$44.54 - $49.81
Q1 2024	154,183	$7,777	$46.11	$44.14 - $48.90
Q4 2023	218,567	$11,219	$46.45	$41.77 - $50.29
Q3 2023	137,601	$7,164	$47.84	$44.23 - $51.62
Q2 2023	128,899	$6,933	$49.05	$46.13 - $51.23
Q1 2023	122,924	$6,568	$48.28	$45.19 - $50.77
Q4 2022	193,123	$10,670	$48.07	$42.22 - $51.90
Q3 2022	107,571	$5,920	$53.87	$47.25 - $57.82
Q2 2022	114,412	$6,652	$53.50	$48.14 - $57.66
Q1 2022	116,860	$7,347	$52.37	$48.33 - $55.78
Q4 2021	181,084	$11,133	$50.05	$47.35 - $54.07
Q3 2021	199,008	$11,801	$51.28	$47.64 - $54.21
Q2 2021	155,484	$9,051	$48.83	$45.94 - $51.03
Q1 2021	123,616	$6,694	$42.55	$39.42 - $47.06
Q4 2020	172,086	$8,355	$45.61	$40.48 - $49.39
Q3 2020	99,823	$5,430	$44.02	$39.84 - $46.94
Q2 2020	100,886	$4,868	$40.72	$36.29 - $45.31
Q1 2020	105,293	$4,941	$45.48	$31.34 - $50.16
Q4 2019	443,438	$24,266	$43.82	$42.11 - $45.80
Q3 2019	86,263	$4,652	$42.08	$39.53 - $44.83
Q2 2019	87,506	$4,295	$38.79	$37.00 - $40.91
Q1 2019	67,455	$3,179	$36.14	$32.70 - $38.77
Q4 2018	242,475	$10,245	$35.19	$32.65 - $37.38
Q3 2018	214,278	$9,123	$34.13	$32.72 - $35.18
Q2 2018	170,570	$7,219	$32.46	$30.20 - $34.35
Q1 2018	115,658	$4,727	$30.84	$28.88 - $33.21
Q4 2017	134,722	$5,740	$33.80	$31.68 - $35.41
Q3 2017	144,323	$5,998	$32.04	$30.14 - $33.72
Q2 2017	210,300	$8,448	$30.93	$29.83 - $32.31
Q1 2017	81,017	$3,208	$29.08	$27.58 - $30.63
Q4 2016	77,065	$2,768	$27.74	$26.27 - $29.13
Q3 2016	87,531	$3,354	$29.26	$27.72 - $30.41
Q2 2016	82,986	$3,294	$27.46	$25.25 - $29.85
Q1 2016	57,444	$4,267	$24.74	$22.13 - $27.34
Q4 2015	57,367	$3,582	$21.84	$20.45 - $23.41
Q3 2015	54,436	$3,184	$21.20	$19.59 - $22.72
Q2 2015	38,373	$2,216	$21.63	$20.41 - $22.74
Q1 2015	43,617	$2,749	$23.04	$21.25 - $25.01
Q4 2014	45,446	$3,019	$21.73	$19.32 - $24.55
Q3 2014	16,407	$909	$20.07	$19.08 - $21.06
Q2 2014	20,514	$1,248	$19.98	$19.02 - $21.06
Q1 2014	17,730	$1,007	$18.07	$16.97 - $19.54
Q4 2013	19,616	$1,013	$17.48	$16.43 - $18.23
Q3 2013	15,366	$762	$17.15	$16.21 - $18.15
Q2 2013	17,159	$865	$16.89	$15.60 - $17.85