StockData
LNTNasdaqElectric & Other Services CombinedFiscal year ends December 31

ALLIANT ENERGY CORP

Financials through Q1 FY2026, quarter ended Mar 31, 2026Last filing: 10-Q on Jul 31, 2026
$66.85−1.47 (-2.15%)

Close on Oct 19, 2026

Market cap
$17.30B
P/E (TTM)
21.0
Dividend yield
3.04%

SEC filings

40 of Alliant Energy's most recent filings on SEC EDGAR

DocumentFormPeriodFiledSource
Current report8-KAug 21, 2026Aug 21, 2026SEC EDGAR
Quarterly report10-QJun 30, 2026Jul 31, 2026SEC EDGAR
Current report8-KJul 30, 2026Jul 31, 2026SEC EDGAR
Current report8-KMay 20, 2026May 21, 2026SEC EDGAR
Quarterly report10-QMar 31, 2026May 1, 2026SEC EDGAR
Current report8-KApr 30, 2026May 1, 2026SEC EDGAR
Proxy statementDEF 14AMay 20, 2026Mar 31, 2026SEC EDGAR
Current report8-KMar 19, 2026Mar 19, 2026SEC EDGAR
Current report8-KMar 2, 2026Mar 4, 2026SEC EDGAR
Annual report10-KDec 31, 2025Feb 20, 2026SEC EDGAR
Current report8-KFeb 19, 2026Feb 20, 2026SEC EDGAR
Current report8-KJan 5, 2026Jan 8, 2026SEC EDGAR
Current report8-KDec 10, 2025Dec 16, 2025SEC EDGAR
Current report8-KDec 2, 2025Dec 5, 2025SEC EDGAR
Quarterly report10-QSep 30, 2025Nov 7, 2025SEC EDGAR
Current report8-KNov 6, 2025Nov 7, 2025SEC EDGAR
Current report8-KSep 23, 2025Sep 26, 2025SEC EDGAR
Current report8-KSep 8, 2025Sep 11, 2025SEC EDGAR
Quarterly report10-QJun 30, 2025Aug 8, 2025SEC EDGAR
Current report8-KAug 7, 2025Aug 8, 2025SEC EDGAR
Current report8-KMay 16, 2025May 20, 2025SEC EDGAR
Current report8-KMay 13, 2025May 19, 2025SEC EDGAR
Current report8-KMay 12, 2025May 15, 2025SEC EDGAR
Current report8-KMay 9, 2025May 9, 2025SEC EDGAR
Quarterly report10-QMar 31, 2025May 9, 2025SEC EDGAR
Current report8-KMay 8, 2025May 9, 2025SEC EDGAR
Proxy statementDEF 14AMay 16, 2025Apr 1, 2025SEC EDGAR
Current report8-KMar 7, 2025Mar 10, 2025SEC EDGAR
Current report8-KMar 3, 2025Mar 3, 2025SEC EDGAR
Annual report10-KDec 31, 2024Feb 21, 2025SEC EDGAR
Current report8-KFeb 20, 2025Feb 21, 2025SEC EDGAR
Current report8-KFeb 7, 2025Feb 11, 2025SEC EDGAR
Current report8-KDec 18, 2024Dec 18, 2024SEC EDGAR
Quarterly report10-QSep 30, 2024Nov 1, 2024SEC EDGAR
Current report8-KOct 31, 2024Nov 1, 2024SEC EDGAR
Current report8-KSep 4, 2024Sep 6, 2024SEC EDGAR
Quarterly report10-QJun 30, 2024Aug 2, 2024SEC EDGAR
Current report8-KAug 1, 2024Aug 2, 2024SEC EDGAR
Current report8-KJul 22, 2024Jul 26, 2024SEC EDGAR
Current report8-KJul 10, 2024Jul 15, 2024SEC EDGAR