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ALLIANT ENERGY CORP
LNT - Company ID 0000352541
Market cap$19.73 B
Rank#630
Filings3,106
Market capitalization of ALLIANT ENERGY CORP
As of 2026-07-11, ALLIANT ENERGY CORP (LNT) has a market capitalization of $19.73 B, making it the #630 most valuable US-listed company.
Recent market cap readings
| Date | Market cap |
|---|---|
| 2026-07-11 | $19.73 B |
| 2026-07-10 | $19.73 B |
| 2026-07-09 | $19.55 B |
| 2026-07-08 | $19.72 B |
| 2026-07-07 | $20.26 B |
| 2026-07-06 | $19.79 B |
| 2026-07-05 | $20.15 B |
| 2026-07-04 | $20.15 B |
| 2026-07-03 | $20.15 B |
| 2026-07-02 | $20.16 B |
| 2026-07-01 | $19.58 B |
| 2026-06-30 | $19.84 B |
Market Cap of similar companies
Frequently asked questions
What is ALLIANT ENERGY CORP's market cap?
As of 2026-07-11, ALLIANT ENERGY CORP (LNT) has a market capitalization of $19.73 B, making it the #630 most valuable US-listed company.
Where does ALLIANT ENERGY CORP rank by market cap?
ALLIANT ENERGY CORP is the #630 largest US-listed company by market capitalization.
Data parsed from SEC EDGAR XBRL filings. See the full market cap rankings.