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ALLIANT ENERGY CORP
LNT - Company ID 0000352541
Market cap$17.53 B
Rank#668
Filings3,106
Market capitalization of ALLIANT ENERGY CORP
As of 2026-09-09, ALLIANT ENERGY CORP (LNT) has a market capitalization of $17.53 B, making it the #668 most valuable US-listed company.
Recent market cap readings
| Date | Market cap |
|---|---|
| 2026-09-09 | $17.53 B |
| 2026-09-08 | $17.72 B |
| 2026-09-07 | $17.56 B |
| 2026-09-06 | $17.56 B |
| 2026-09-05 | $17.56 B |
| 2026-09-04 | $17.54 B |
| 2026-09-03 | $17.56 B |
| 2026-09-02 | $17.50 B |
| 2026-09-01 | $17.54 B |
| 2026-08-31 | $17.57 B |
| 2026-08-30 | $17.57 B |
| 2026-08-29 | $17.57 B |
Market Cap of similar companies
Frequently asked questions
What is ALLIANT ENERGY CORP's market cap?
As of 2026-09-09, ALLIANT ENERGY CORP (LNT) has a market capitalization of $17.53 B, making it the #668 most valuable US-listed company.
Where does ALLIANT ENERGY CORP rank by market cap?
ALLIANT ENERGY CORP is the #668 largest US-listed company by market capitalization.
Data parsed from SEC EDGAR XBRL filings. See the full market cap rankings.