ALLIANT ENERGY CORP Common Stock Shares Outstanding

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ALLIANT ENERGY CORP reported Common Stock Shares Outstanding of 257.14 million shares for the year ending 2025.

  • ALLIANT ENERGY CORP showed an increase of +0.2% in Common Stock Shares Outstanding 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 2012 to 2025 (14 years of filings). Earlier data may not exist in machine-readable XBRL format as companies adopted electronic filing at different times.
  • Over the full 14 years of available data (2012 to 2025), ALLIANT ENERGY CORP's Common Stock Shares Outstanding has grown by 131.7%.
  • Historical annual values: Fiscal year 2025: 257.14 million shares | Fiscal year 2024: 256.69 million shares | Fiscal year 2023: 256.10 million shares | Fiscal year 2022: 251.13 million shares | Fiscal year 2021: 250.47 million shares | Fiscal year 2020: 249.87 million shares | Fiscal year 2019: 245.02 million shares | Fiscal year 2018: 236.06 million shares | Fiscal year 2017: 231.35 million shares | Fiscal year 2016: 227.67 million shares | Fiscal year 2015: 226.92 million shares | Fiscal year 2014: 221.87 million shares | Fiscal year 2013: 221.89 million shares | Fiscal year 2012: 110.99 million shares.
  • Data sourced from SEC EDGAR public filings as of June 24, 2026.

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