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Alliant Energy Corp (LNT) stock

LNTNasdaqElectric & Other Services CombinedFiscal year ends December 31
Financials through Q3 FY2026, quarter ended Sep 30, 2026Last filing: 10-Q on Oct 30, 2026Score 12/3014% above fair value
$73.43+0.38 (+0.52%)

Close on Nov 13, 2026Market cap $19.04BP/E 20.5Yield 2.76%

Alliant Energy operating margin

Operating margin is operating income as a percentage of revenue.

Alliant Energy's operating margin for the twelve months ending Sep 30, 2026 was 22.6%. For fiscal 2025 it was 23.5%, against 22.3% the year before. The highest annual figure on record is 23.5% in fiscal 2025.

Annual operating margin

PeriodPeriod endValueChange (pts)
FY2025Dec 31, 202523.5%+1.2
FY2024Dec 31, 202422.3%−1.2
FY2023Dec 31, 202323.4%+1.3
FY2022Dec 31, 202222.1%+0.4
FY2021Dec 31, 202121.7%+0.0
FY2020Dec 31, 202021.7%+0.3
FY2019Dec 31, 201921.3%+1.7
FY2018Dec 31, 201819.6%−0.2
FY2017Dec 31, 201719.8%+3.2
FY2016Dec 31, 201616.7%−1.0
FY2015Dec 31, 201517.7%+1.5
FY2014Dec 31, 201416.2%−0.1
FY2013Dec 31, 201316.3%−0.5
FY2012Dec 31, 201216.8%+0.9
FY2011Dec 31, 201115.9%−1.2
FY2010Dec 31, 201017.2%+5.6
FY2009Dec 31, 200911.6%−1.7
FY2008Dec 31, 200813.3%–

Quarterly operating margin

Change is against the same quarter a year earlier.

PeriodPeriod endValueChange (pts)
Q3 FY2026Sep 30, 202630.3%+1.4
Q2 FY2026Jun 30, 202619.1%−4.2
Q1 FY2026Mar 31, 202621.0%−1.8
Q4 FY2025Dec 31, 202518.5%−4.1
Q3 FY2025Sep 30, 202528.8%−0.1
Q2 FY2025Jun 30, 202523.2%+8.7
Q1 FY2025Mar 31, 202522.8%+1.3
Q4 FY2024Dec 31, 202422.6%+3.6
Q3 FY2024Sep 30, 202429.0%−0.9
Q2 FY2024Jun 30, 202414.5%−9.3
Q1 FY2024Mar 31, 202421.5%+0.9
Q4 FY2023Dec 31, 202319.0%+4.0
Q3 FY2023Sep 30, 202329.9%+2.7
Q2 FY2023Jun 30, 202323.8%+1.3
Q1 FY2023Mar 31, 202320.6%−2.6
Q4 FY2022Dec 31, 202215.0%+0.8
Q3 FY2022Sep 30, 202227.2%−1.0
Q2 FY2022Jun 30, 202222.5%+0.9
Q1 FY2022Mar 31, 202223.2%+1.2
Q4 FY2021Dec 31, 202114.2%+0.5
Q3 FY2021Sep 30, 202128.2%−1.3
Q2 FY2021Jun 30, 202121.5%−0.5
Q1 FY2021Mar 31, 202122.0%+1.5
Q4 FY2020Dec 31, 202013.7%−4.6
Q3 FY2020Sep 30, 202029.6%+0.3
Q2 FY2020Jun 30, 202022.0%+3.1
Q1 FY2020Mar 31, 202020.5%+2.6
Q4 FY2019Dec 31, 201918.3%+4.4
Q3 FY2019Sep 30, 201929.3%+1.7
Q2 FY2019Jun 30, 201919.0%+0.4
Q1 FY2019Mar 31, 201917.9%−0.2
Q4 FY2018Dec 31, 201813.9%−1.8
Q3 FY2018Sep 30, 201827.6%+1.5
Q2 FY2018Jun 30, 201818.5%−1.6
Q1 FY2018Mar 31, 201818.1%+0.8
Q4 FY2017Dec 31, 201715.7%+3.1
Q3 FY2017Sep 30, 201726.1%–
Q2 FY2017Jun 30, 201720.1%–
Q1 FY2017Mar 31, 201717.2%–
Q4 FY2016Dec 31, 201612.5%–

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