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Alliant Energy Shares Outstanding 2008-2026 | LNT

Annual FY2008–FY2025 · quarterly through Q3 FY2026

Latest annual · FY2025

257.1M

+0.2%YoY vs FY2024Source: 10-KFY2025

From 110.4M in FY2008 to 257.1M in FY2025: 2.3× in 17 years.

By quarter▲▼ vs a year before
Fiscal yearQ1Q2Q3Q4
FY26258M+0.5%259M+0.9%259M+0.9%Not reported
FY25257M+0.2%257M+0.2%257M+0.2%257M+0.2%
FY24256M+2.0%256M+1.5%257M+0.6%257M+0.2%
FY23251M+0.2%253M+0.7%255M+1.7%256M+2.0%
FY22251M+0.3%251M+0.3%251M+0.3%251M+0.3%

Shaded by size: darkest is the largest quarter shown; ringed is the latest reported; a dash marks a quarter with no separate figure. Each quarter sits by its period-end date.

Key Statistics

Trend DirectionStable
CAGR

+0.6%

FY2020
249.9M
FY2025
257.1M

5 years selected · on the chart

01—History

Shares Outstanding History

Year-over-year comparison from 10-K annual reports

  18. 257.1M
YoY changeLargest recent move+3.8%in FY19Latest +0.2%

1 older move runs past ±5% (largest +99.9%); point at, tap or drag across the bars to read one.

02—Ledger

Shares Outstanding, period by period

PeriodValueChangeSource
FY2025257.1M+0.2%10-K
FY2024256.7M+0.2%10-K
FY2023256.1M+2.0%10-K
FY2022251.1M+0.3%10-K
FY2021250.5M+0.2%10-K
FY2020249.9M+2.0%10-K
FY2019245.0M+3.8%10-K
FY2018236.1M+2.0%10-K
FY2017231.3M+1.6%10-K
FY2016227.7M+0.3%10-K
FY2015226.9M+2.3%10-K
FY2014221.9M0.0%flat10-K
FY2013221.9M+99.9%10-K
FY2012111.0M0.0%flat10-K
FY2011111.0M+0.1%10-K
FY2010110.9M+0.2%10-K
FY2009110.7M+0.2%10-K
FY2008110.4M—10-K

03—Questions

What is shares outstanding?

Shares outstanding is the total number of common shares currently held by all shareholders, including restricted shares.

What is Alliant Energy's current shares outstanding?

Alliant Energy (LNT) annual shares outstanding for 2025 was 257.1M, a 0.17% increase from 2024. Alliant Energy shares outstanding for the quarter ending September 30, 2026 was 259.4M.

What was Alliant Energy's shares outstanding in 2024?

Alliant Energy annual shares outstanding for 2024 was 256.7M, a 0.23% increase from 2023.

What was Alliant Energy's shares outstanding in 2023?

Alliant Energy annual shares outstanding for 2023 was 256.1M, a 1.98% increase from 2022.

What is Alliant Energy's 5-year shares outstanding CAGR?

Alliant Energy shares outstanding grew at a compound annual growth rate (CAGR) of 0.58% from FY2020 to FY2025, going from 249.9M to 257.1M over 5 years.

Company
Alliant Energy
Ticker
LNT
Sector
Energy
Industry
Electric & Other Services Combined
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