Alliant Energy (LNT) Shares Outstanding (Diluted Average) (2009 - 2025)

Alliant Energy has reported Shares Outstanding (Diluted Average) for 14 years, with the latest figure at $257.8 million in Q4 2025.

• For the quarter ending Q4 2025, Shares Outstanding (Diluted Average) changed 0.39% year-over-year to $257.8 million; the trailing twelve-month figure through Dec 2025 stood at $257.8 million (changed 0.39% YoY), and the FY2025 full-year result was $257.8 million, changed 0.39% from the prior year.
• Shares Outstanding (Diluted Average) for Q4 2025 stood at $257.8 million, roughly flat from $257.8 million in the prior quarter.
• The five-year high for Shares Outstanding (Diluted Average) was $257.8 million in Q3 2025, with the low at $250.4 million in Q1 2021.
• Historically, Shares Outstanding (Diluted Average) has averaged $253.7 million across 5 years, with a median of $252.6 million in 2023.
• Annual changes were most pronounced in 2021 — Shares Outstanding (Diluted Average) increased 2.37% — and 2022, when it advanced 0.16%.
• Alliant Energy's Shares Outstanding (Diluted Average) stood at $250.7 million in 2021, then increased by 0.2% to $251.2 million in 2022, then advanced by 0.84% to $253.3 million in 2023, then gained by 1.38% to $256.8 million in 2024, then advanced by 0.39% to $257.8 million in 2025.
• The last three Shares Outstanding (Diluted Average) figures came in at $257.8 million (Q4 2025), $257.8 million (Q3 2025), and $257.3 million (Q2 2025), per Business Quant data.