ALLIANT ENERGY CORP

Ticker: LNT CUSIP: 018802108 Class: COM

SIMPLEX TRADING, LLC's Holding History (CIK: 0001488542)

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

Q4 2025
Shares 140 Value ($000) $9 Avg Close $66.83 Range $64.30 - $69.59
Q3 2025
Shares 11,456 Value ($000) $1 Avg Close $63.88 Range $59.07 - $67.04
Q2 2025
Shares 1,131 Value ($000) $0 Avg Close $60.10 Range $55.76 - $64.19
Q1 2025
Shares 3,439 Value ($000) $0 Avg Close $59.57 Range $54.52 - $64.99
Q4 2024
Shares 2,399 Value ($000) $0 Avg Close $58.37 Range $54.30 - $62.16
Q3 2024
Shares 657 Value ($000) $0 Avg Close $54.38 Range $48.12 - $58.63
Q2 2024
Shares 4,015 Value ($000) $0 Avg Close $47.71 Range $44.54 - $49.81
Q1 2024
Shares 2,385 Value ($000) $0 Avg Close $46.11 Range $44.14 - $48.90
Q4 2023
Shares 2,650 Value ($000) $0 Avg Close $46.45 Range $41.77 - $50.29
Q2 2023
Shares 3,925 Value ($000) $0 Avg Close $49.05 Range $46.13 - $51.23
Q1 2023
Shares 44,011 Value ($000) $2 Avg Close $48.28 Range $45.19 - $50.77
Q4 2022
Shares 51,259 Value ($000) $3 Avg Close $48.07 Range $42.22 - $51.90
Q2 2022
Shares 9,100 Value ($000) $533 Avg Close $53.50 Range $48.14 - $57.66
Q4 2021
Shares 4,184 Value ($000) $257 Avg Close $50.05 Range $47.35 - $54.07
Q3 2021
Shares 3,771 Value ($000) $212 Avg Close $51.28 Range $47.64 - $54.21
Q2 2021
Shares 4,076 Value ($000) $227 Avg Close $48.83 Range $45.94 - $51.03
Q1 2021
Shares 138 Value ($000) $7 Avg Close $42.55 Range $39.42 - $47.06
Q4 2020
Shares 1,885 Value ($000) $97 Avg Close $45.61 Range $40.48 - $49.39
Q3 2020
Shares 1,064 Value ($000) $54 Avg Close $44.02 Range $39.84 - $46.94
Q4 2019
Shares 2,336 Value ($000) $127 Avg Close $43.82 Range $42.11 - $45.80
Q3 2019
Shares 328 Value ($000) $17 Avg Close $42.08 Range $39.53 - $44.83
Q4 2018
Shares 8,262 Value ($000) $349 Avg Close $35.19 Range $32.65 - $37.38
Q4 2017
Shares 419 Value ($000) $17 Avg Close $33.80 Range $31.68 - $35.41
Q2 2017
Shares 552 Value ($000) $22 Avg Close $30.93 Range $29.83 - $32.31
Q3 2016
Shares 11,643 Value ($000) $446 Avg Close $29.26 Range $27.72 - $30.41
Q2 2016
Shares 4,816 Value ($000) $191 Avg Close $27.46 Range $25.25 - $29.85
Q4 2015
Shares 266 Value ($000) $16 Avg Close $21.84 Range $20.45 - $23.41
Q2 2015
Shares 779 Value ($000) $44 Avg Close $21.63 Range $20.41 - $22.74