Growth Metrics

Nisource (NI) Shares Outstanding (2016 - 2026)

Nisource filings provide 17 years of Shares Outstanding readings, the most recent being $478.4 million for Q4 2025.

  • On a quarterly basis, Shares Outstanding rose 1.83% to $478.4 million in Q4 2025 year-over-year; TTM through Dec 2025 was $478.4 million, a 1.83% increase, with the full-year FY2025 number at $478.4 million, up 1.83% from a year prior.
  • Shares Outstanding hit $478.4 million in Q4 2025 for Nisource, down from $481.1 million in the prior quarter.
  • In the past five years, Shares Outstanding ranged from a high of $481.1 million in Q3 2025 to a low of $392.1 million in Q1 2021.
  • Median Shares Outstanding over the past 5 years was $413.2 million (2023), compared with a mean of $432.4 million.
  • Biggest five-year swings in Shares Outstanding: grew 15.44% in 2024 and later changed 0.0% in 2025.
  • Nisource's Shares Outstanding stood at $405.3 million in 2021, then increased by 1.69% to $412.1 million in 2022, then grew by 8.55% to $447.4 million in 2023, then increased by 5.02% to $469.8 million in 2024, then increased by 1.83% to $478.4 million in 2025.
  • The last three reported values for Shares Outstanding were $478.4 million (Q4 2025), $481.1 million (Q3 2025), and $470.8 million (Q2 2025) per Business Quant data.