ALLIANT ENERGY CORP

Ticker: LNT CUSIP: 018802108 Class: COM

GAMCO INVESTORS, INC. ET AL's Holding History (CIK: 0000807249)

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

Q4 2025
Shares 12,664 Value ($000) $823 Avg Close $66.83 Range $64.30 - $69.59
Q3 2025
Shares 12,664 Value ($000) $854 Avg Close $63.88 Range $59.07 - $67.04
Q2 2025
Shares 12,664 Value ($000) $766 Avg Close $60.10 Range $55.76 - $64.19
Q1 2025
Shares 12,694 Value ($000) $817 Avg Close $59.57 Range $54.52 - $64.99
Q4 2024
Shares 12,807 Value ($000) $757 Avg Close $58.37 Range $54.30 - $62.16
Q3 2024
Shares 13,157 Value ($000) $798 Avg Close $54.38 Range $48.12 - $58.63
Q2 2024
Shares 9,057 Value ($000) $461 Avg Close $47.71 Range $44.54 - $49.81
Q1 2024
Shares 9,107 Value ($000) $459 Avg Close $46.11 Range $44.14 - $48.90
Q4 2023
Shares 9,107 Value ($000) $467 Avg Close $46.45 Range $41.77 - $50.29
Q3 2023
Shares 9,707 Value ($000) $470 Avg Close $47.84 Range $44.23 - $51.62
Q2 2023
Shares 9,707 Value ($000) $509 Avg Close $49.05 Range $46.13 - $51.23
Q1 2023
Shares 27,307 Value ($000) $1,458 Avg Close $48.28 Range $45.19 - $50.77
Q4 2022
Shares 27,507 Value ($000) $1,519 Avg Close $48.07 Range $42.22 - $51.90
Q3 2022
Shares 10,107 Value ($000) $536 Avg Close $53.87 Range $47.25 - $57.82
Q2 2022
Shares 10,107 Value ($000) $592 Avg Close $53.50 Range $48.14 - $57.66
Q1 2022
Shares 10,107 Value ($000) $631 Avg Close $52.37 Range $48.33 - $55.78
Q4 2021
Shares 10,107 Value ($000) $621 Avg Close $50.05 Range $47.35 - $54.07
Q3 2021
Shares 10,107 Value ($000) $566 Avg Close $51.28 Range $47.64 - $54.21
Q2 2021
Shares 11,107 Value ($000) $619 Avg Close $48.83 Range $45.94 - $51.03
Q1 2021
Shares 11,507 Value ($000) $623 Avg Close $42.55 Range $39.42 - $47.06
Q4 2020
Shares 13,200 Value ($000) $680 Avg Close $45.61 Range $40.48 - $49.39
Q3 2020
Shares 13,200 Value ($000) $682 Avg Close $44.02 Range $39.84 - $46.94
Q2 2020
Shares 14,200 Value ($000) $679 Avg Close $40.72 Range $36.29 - $45.31
Q1 2020
Shares 14,200 Value ($000) $686 Avg Close $45.48 Range $31.34 - $50.16
Q4 2019
Shares 14,300 Value ($000) $782 Avg Close $43.82 Range $42.11 - $45.80
Q3 2019
Shares 14,900 Value ($000) $804 Avg Close $42.08 Range $39.53 - $44.83
Q2 2019
Shares 17,380 Value ($000) $853 Avg Close $38.79 Range $37.00 - $40.91
Q1 2019
Shares 17,440 Value ($000) $822 Avg Close $36.14 Range $32.70 - $38.77
Q4 2018
Shares 17,590 Value ($000) $740 Avg Close $35.19 Range $32.65 - $37.38
Q3 2018
Shares 17,990 Value ($000) $766 Avg Close $34.13 Range $32.72 - $35.18
Q2 2018
Shares 17,990 Value ($000) $761 Avg Close $32.46 Range $30.20 - $34.35
Q1 2018
Shares 18,190 Value ($000) $743 Avg Close $30.84 Range $28.88 - $33.21
Q4 2017
Shares 18,190 Value ($000) $775 Avg Close $33.80 Range $31.68 - $35.41
Q3 2017
Shares 18,340 Value ($000) $762 Avg Close $32.04 Range $30.14 - $33.72
Q2 2017
Shares 20,240 Value ($000) $813 Avg Close $30.93 Range $29.83 - $32.31
Q1 2017
Shares 20,840 Value ($000) $825 Avg Close $29.08 Range $27.58 - $30.63
Q4 2016
Shares 21,780 Value ($000) $825 Avg Close $27.74 Range $26.27 - $29.13
Q3 2016
Shares 22,780 Value ($000) $873 Avg Close $29.26 Range $27.72 - $30.41
Q2 2016
Shares 23,180 Value ($000) $920 Avg Close $27.46 Range $25.25 - $29.85
Q1 2016
Shares 11,590 Value ($000) $861 Avg Close $24.74 Range $22.13 - $27.34
Q4 2015
Shares 11,590 Value ($000) $724 Avg Close $21.84 Range $20.45 - $23.41
Q3 2015
Shares 12,090 Value ($000) $707 Avg Close $21.20 Range $19.59 - $22.72
Q2 2015
Shares 13,090 Value ($000) $756 Avg Close $21.63 Range $20.41 - $22.74
Q1 2015
Shares 13,640 Value ($000) $859 Avg Close $23.04 Range $21.25 - $25.01
Q4 2014
Shares 14,040 Value ($000) $933 Avg Close $21.73 Range $19.32 - $24.55
Q3 2014
Shares 14,740 Value ($000) $817 Avg Close $20.07 Range $19.08 - $21.06
Q2 2014
Shares 15,040 Value ($000) $915 Avg Close $19.98 Range $19.02 - $21.06
Q1 2014
Shares 15,040 Value ($000) $854 Avg Close $18.07 Range $16.97 - $19.54
Q4 2013
Shares 15,040 Value ($000) $776 Avg Close $17.48 Range $16.43 - $18.23
Q3 2013
Shares 15,040 Value ($000) $745 Avg Close $17.15 Range $16.21 - $18.15
Q2 2013
Shares 15,240 Value ($000) $768 Avg Close $16.89 Range $15.60 - $17.85