ALLIANT ENERGY CORP Earnings Per Share Diluted

Quick Answer

ALLIANT ENERGY CORP reported Earnings Per Share Diluted of $3.14 per share for the year ending 2025.

  • ALLIANT ENERGY CORP showed an increase of +16.7% in Earnings Per Share Diluted from 2024 to 2025.
  • This data is from ALLIANT ENERGY CORP's annual report (Form 10-K), filed with the SEC on February 20, 2026.
  • XBRL data for this metric is available from 2008 to 2025 (13 years of filings). Earlier data may not exist in machine-readable XBRL format as companies adopted electronic filing at different times.
  • Quarterly values from 10-Q filings: Q2 2009: $0.26 per share | Q3 2009: $0.40 (loss) per share | Q1 2010: $0.39 per share | Q2 2010: $0.43 per share | Q3 2010: $1.35 per share | Q4 2010: $0.43 per share | Q1 2011: $0.66 per share | Q2 2011: $0.46 per share | Q3 2011: $1.10 per share | Q4 2011: $0.51 per share | Q1 2018: $0.52 per share | Q2 2018: $0.43 per share | Q3 2018: $0.87 per share | Q4 2018: $0.36 per share | Q1 2019: $0.53 per share | Q2 2019: $0.40 per share | Q3 2019: $0.94 per share | Q4 2019: $0.46 per share | Q2 2020: $0.54 per share | Q3 2020: $0.98 per share | Q1 2021: $0.68 per share | Q2 2021: $0.57 per share | Q3 2021: $1.02 per share | Q1 2022: $0.77 per share | Q2 2022: $0.63 per share | Q3 2022: $0.90 per share | Q1 2023: $0.65 per share | Q2 2023: $0.64 per share | Q3 2023: $1.02 per share | Q1 2024: $0.62 per share | Q2 2024: $0.34 per share | Q3 2024: $1.15 per share | Q1 2025: $0.83 per share | Q2 2025: $0.68 per share | Q3 2025: $1.09 per share.
  • Over the full 13 years of available data (2008 to 2025), ALLIANT ENERGY CORP's Earnings Per Share Diluted has grown by 20.3%.
  • Historical annual values: Fiscal year 2025: $3.14 per share | Fiscal year 2024: $2.69 per share | Fiscal year 2023: $2.78 per share | Fiscal year 2022: $2.73 per share | Fiscal year 2021: $2.63 per share | Fiscal year 2020: $2.47 per share | Fiscal year 2019: $2.33 per share | Fiscal year 2018: $2.19 per share | Fiscal year 2017: $1.99 per share | Fiscal year 2011: $2.74 per share | Fiscal year 2010: $2.60 per share | Fiscal year 2009: $1.01 per share | Fiscal year 2008: $2.61 per share.
  • Data sourced from SEC EDGAR public filings as of August 7, 2026.

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