Alliant Energy Corp Market Cap ($18.69 Billion)
Market Cap & Net Worth: Alliant Energy Corp (LNT)
Alliant Energy Corp market cap. Alliant Energy Corp (NASDAQ:LNT) has a market capitalization of $18.69 Billion ($18.69 Billion) as of November 4, 2026. Listed on the NASDAQ stock exchange, this USA-based company holds position #1325 globally and #543 in its home market, demonstrating a 4.82% increase in market value over the past year.
Market capitalization, also known as net worth in stock markets, is calculated by multiplying Alliant Energy Corp's stock price $73.02 by its total outstanding shares 258277037 (258.28 Million). Also see Alliant Energy Corp (LNT) cash conversion ratio for how efficiently the company converts equity into cash flow.
Alliant Energy Corp Market Cap History (2015–2026)
Alliant Energy Corp market cap history from 2015 to 2026. Data shows growth from $6.07 Billion to $18.86 Billion (11.14% CAGR). Check Alliant Energy Corp (LNT) stock price for real-time trading data and today's change.
Index Memberships
Alliant Energy Corp is a constituent of 2 market indices:
| Index | Total Market Cap | Weight (%) | Rank by Market Cap |
|---|---|---|---|
|
S&P 500 Index
GSPC
|
$61.43 Trillion | 0.03% | #374 of 503 |
|
NASDAQ Composite
IXIC
|
$39.84 Trillion | 0.05% | #163 of 3165 |
Weight: Alliant Energy Corp's market cap as a percentage of total index value. Rank: Position among all constituents by market cap.
Alliant Energy Corp Market Cap to Earnings & Revenue Ratios Timeline
This chart shows how Alliant Energy Corp's valuation ratios have evolved. The Price to Sales (P/S) ratio compares market cap to revenue, while the Price to Earnings (P/E) ratio compares market cap to net income. Lower values may indicate a more undervalued company relative to its financial performance. Explore net asset growth rate of Alliant Energy Corp to track how rapidly the company is growing its equity base year over year.
Latest Price to Sales (P/S) Ratio
3.85x
Alliant Energy Corp's market cap is 3.85 times its annual revenue
Latest Price to Earnings (P/E) Ratio
20.73x
Alliant Energy Corp's market cap is 20.73 times its annual earnings
What These Ratios Tell Investors:
- Price to Sales (P/S) Ratio: Shows how much investors are paying for each dollar of the company's sales. Lower P/S ratios may indicate undervaluation.
- Price to Earnings (P/E) Ratio: Shows how much investors are paying for each dollar of the company's earnings. This is one of the most common valuation metrics.
- Trends in these ratios over time can indicate changing investor sentiment about the company's future growth prospects.
- Industry comparison provides context for whether the company is valued higher or lower than peers.
| Year | Market Cap (USD) | Revenue (USD) | Net Income (USD) | P/S Ratio | P/E Ratio |
|---|---|---|---|---|---|
| 2016 | $7.61 Billion | $3.32 Billion | $381.70 Million | 2.29x | 19.94x |
| 2017 | $8.83 Billion | $3.38 Billion | $467.50 Million | 2.61x | 18.90x |
| 2018 | $9.04 Billion | $3.53 Billion | $522.00 Million | 2.56x | 17.32x |
| 2019 | $12.07 Billion | $3.65 Billion | $567.00 Million | 3.31x | 21.28x |
| 2020 | $11.68 Billion | $3.42 Billion | $624.00 Million | 3.42x | 18.73x |
| 2021 | $14.36 Billion | $3.67 Billion | $674.00 Million | 3.91x | 21.30x |
| 2022 | $13.29 Billion | $4.21 Billion | $686.00 Million | 3.16x | 19.37x |
| 2023 | $12.78 Billion | $4.03 Billion | $703.00 Million | 3.17x | 18.18x |
| 2024 | $15.27 Billion | $3.98 Billion | $690.00 Million | 3.84x | 22.14x |
| 2025 | $16.79 Billion | $4.36 Billion | $810.00 Million | 3.85x | 20.73x |
Competitor Companies of LNT by Market Capitalization
Companies near Alliant Energy Corp in the global market cap rankings as of November 4, 2026. Also see balance sheet size of Alliant Energy Corp for a full breakdown of the balance sheet.
Key companies related to Alliant Energy Corp by market ranking:
- Nextera Energy Inc (NYSE:NEE): Ranked #124 globally with a market cap of $177.08 Billion USD.
- Southern Company (NYSE:SO): Ranked #263 globally with a market cap of $97.89 Billion USD.
- Duke Energy Corporation (NYSE:DUK): Ranked #265 globally with a market cap of $97.35 Billion USD.
- National Grid PLC ADR (NYSE:NGG): Ranked #313 globally with a market cap of $86.46 Billion USD.
| Rank | Company | Symbol | Market Cap | Price |
|---|---|---|---|---|
| #124 | Nextera Energy Inc | NYSE:NEE | $177.08 Billion | $85.03 |
| #263 | Southern Company | NYSE:SO | $97.89 Billion | $94.61 |
| #265 | Duke Energy Corporation | NYSE:DUK | $97.35 Billion | $128.38 |
| #313 | National Grid PLC ADR | NYSE:NGG | $86.46 Billion | $86.96 |
Market Capitalization of Alliant Energy Corp (2015–2026)
Market capitalization of Alliant Energy Corp from 2015 to today. Between 2015 and today, Alliant Energy Corp's market cap moved from $6.07 Billion to $ 18.86 Billion, with a yearly change of 11.14%.
| Year | Market Cap | Change (%) |
|---|---|---|
| 2026 | $18.86 Billion | +12.32% |
| 2025 | $16.79 Billion | +9.93% |
| 2024 | $15.27 Billion | +19.54% |
| 2023 | $12.78 Billion | -3.84% |
| 2022 | $13.29 Billion | -7.44% |
| 2021 | $14.36 Billion | +22.86% |
| 2020 | $11.68 Billion | -3.16% |
| 2019 | $12.07 Billion | +33.43% |
| 2018 | $9.04 Billion | +2.37% |
| 2017 | $8.83 Billion | +16.05% |
| 2016 | $7.61 Billion | +25.44% |
| 2015 | $6.07 Billion | -- |
End of Day Market Cap According to Different Sources
On Nov 3rd, 2026 the market cap of Alliant Energy Corp was reported to be:
| Source | Market Cap |
|---|---|
| Yahoo Finance | $18.69 Billion USD |
| MoneyControl | $18.69 Billion USD |
| MarketWatch | $18.69 Billion USD |
| marketcap.company | $18.69 Billion USD |
| Reuters | $18.69 Billion USD |
Market cap values may vary slightly between sources due to differences in calculation methods, timing, and data refresh rates.
About Alliant Energy Corp
Alliant Energy Corporation operates as a utility holding company that provides regulated electric and natural gas services in the United States. It operates through IPL and WPL segments. The company's IPL segment engages primarily in the generation and distribution of electricity and the distribution and transportation of natural gas to retail customers in select markets in Iowa. This segment als… Read more