Shares Outstanding for Alliant Energy (LNT)
According to Alliant Energy's latest reported financial statements, the company's latest reported diluted shares outstanding is 258.80M. Diluted weighted-average shares outstanding is the share count used to compute per-share metrics like EPS. Buybacks lower it; new issuance, stock-based compensation, and convertible securities raise it. Multiply by the stock price for market capitalization.
Headline figure above is from the reporting period ending (reported ). Chart and table below cover the full reported history back to .
Currently viewingShares OutstandingSwitch metric
Latest period
258.80M
YoY change
+0.4%
5Y CAGR
+0.7%
Peak year (2025)
257.80M
Latest annual
257.80M
Shares Outstanding history chart for Alliant Energy (LNT) from 1985 to 2025
Shares Outstanding history table for Alliant Energy (LNT) from 1985 to 2025
| Fiscal year | Period ended | Reported | Shares Outstanding | YoY |
|---|---|---|---|---|
| 2025 | 257.80M | +0.4% | ||
| 2024 | 256.80M | +1.4% | ||
| 2023 | 253.30M | +0.8% | ||
| 2022 | 251.20M | +0.2% | ||
| 2021 | 250.70M | +0.8% | ||
| 2020 | 248.70M | +4.1% | ||
| 2019 | 239.00M | +2.3% | ||
| 2018 | 233.60M | +1.7% | ||
| 2017 | 229.70M | +1.1% | ||
| 2016 | 227.10M | +0.8% | ||
| 2015 | 225.40M | +1.7% | ||
| 2014 | 221.60M | 0.0% | ||
| 2013 | 221.60M | +0.0% | ||
| 2012 | 221.54M | +0.1% | ||
| 2011 | 221.40M | +0.2% | ||
| 2010 | 221.04M | +0.2% | ||
| 2009 | 220.70M | +0.0% | ||
| 2008 | 220.62M | -2.0% | ||
| 2007 | 225.04M | -4.0% | ||
| 2006 | 234.38M | +0.3% | ||
| 2005 | 233.59M | +2.7% | ||
| 2004 | 227.40M | +12.2% | ||
| 2003 | 202.76M | +11.9% | ||
| 2002 | 181.19M | +12.5% | ||
| 2001 | 161.09M | +1.6% | ||
| 2000 | 158.51M | +1.2% | ||
| 1999 | 156.64M | +1.8% | ||
| 1998 | 153.82M | +148.9% | ||
| 1997 | 61.79M | +0.5% | ||
| 1996 | 61.52M | -0.1% | ||
| 1995 | 61.55M | +0.5% | ||
| 1994 | 61.22M | +3.3% | ||
| 1993 | 59.24M | +9.6% | ||
| 1992 | 54.03M | +1.1% | ||
| 1991 | 53.42M | +0.1% | ||
| 1990 | 53.36M | -0.0% | ||
| 1989 | 53.37M | +0.5% | ||
| 1988 | 53.12M | +0.4% | ||
| 1987 | 52.88M | -0.2% | ||
| 1986 | 52.99M | +0.2% | ||
| 1985 | 52.86M | — |
Shares Outstanding values are taken from Alliant Energy's reported income statements (10-Q quarterly and 10-K annual filings with the U.S. Securities and Exchange Commission). Each row shows the period end date and the date the filing was reported; YoY compares each figure to the same period one year earlier. Amounts are in USD as filed.
Analysis
The 2025 reading of Alliant Energy (LNT) diluted shares outstanding is 257.80M – edged up 0.4% year-over-year.
Alliant Energy diluted shares outstanding compound annual growth for the 2020–2025 (5 years) window is +0.7%, sustaining 11 straight years of year-over-year growth.
The dataset's maximum diluted shares outstanding sits at 257.80M (2025); the minimum reading of 52.86M dates to 1985.
Among 8 Utilities peers, Alliant Energy (LNT) ranks 9th; the peer median for diluted shares outstanding is 714.85M.
Alliant Energy Shares Outstanding by Year
Alliant Energy Shares Outstanding 2025: 257.80M
Alliant Energy diluted shares outstanding in 2025 was 257.80M, edged up 0.4% from 2024. This figure represents the highest annual value in the available history.
Alliant Energy Shares Outstanding 2024: 256.80M
Alliant Energy diluted shares outstanding in 2024 was 256.80M, edged up 1.4% from 2023.
Alliant Energy Shares Outstanding 2023: 253.30M
Alliant Energy diluted shares outstanding in 2023 was 253.30M, edged up 0.8% from 2022.
Alliant Energy Shares Outstanding 2022: 251.20M
Alliant Energy diluted shares outstanding in 2022 was 251.20M, edged up 0.2% from 2021.
Alliant Energy Shares Outstanding 2021: 250.70M
Alliant Energy diluted shares outstanding in 2021 was 250.70M.
See more financial history for Alliant Energy (LNT).
Sector peers — Shares Outstanding
Companies in the same sector as Alliant Energy, ranked by their latest diluted shares outstanding.
| Company | Shares Outstanding | Sector |
|---|---|---|
| NextEra Energy, Inc. (NEE) | 2.09B | Utilities |
| The Southern Company (SO) | 1.11B | Utilities |
| Dominion Energy, Inc. (D) | 855.30M | Utilities |
| Duke Energy Corporation (DUK) | 777.00M | Utilities |
| Sempra (SRE) | 652.70M | Utilities |
| American Electric Power Company, Inc. (AEP) | 520.21M | Utilities |
| Constellation Energy Corporation (CEG) | 314.00M | Utilities |
| GE Vernova Inc. (GEV) | 276.00M | Utilities |
Frequently asked questions
What is Alliant Energy's diluted shares outstanding?
- Latest reported diluted shares outstanding for Alliant Energy (LNT) is 258.80M (period ending December 31, 2025).
How has Alliant Energy diluted shares outstanding changed year-over-year?
- Alliant Energy (LNT) diluted shares outstanding changed +0.4% year-over-year on the latest annual filing.
What is the long-term growth rate of Alliant Energy diluted shares outstanding?
- Alliant Energy (LNT) diluted shares outstanding compound annual growth rate is +0.7% over the most recent 5 years available.
When did Alliant Energy diluted shares outstanding hit its highest annual value?
- Alliant Energy diluted shares outstanding reached its highest annual value of 257.80M in 2025.
What was Alliant Energy diluted shares outstanding in 2024?
- Alliant Energy (LNT) diluted shares outstanding in 2024 was 256.80M.
What was Alliant Energy diluted shares outstanding in 2025?
- Alliant Energy (LNT) diluted shares outstanding in 2025 was 257.80M.
Metrics overview
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