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ALLIANT ENERGY CORP
LNT - Company ID 0000352541
Market cap$18.77 B
Rank#635
Filings3,106
Market capitalization of ALLIANT ENERGY CORP
As of 2026-11-06, ALLIANT ENERGY CORP (LNT) has a market capitalization of $18.77 B, making it the #635 most valuable US-listed company.
Recent market cap readings
| Date | Market cap |
|---|---|
| 2026-11-06 | $18.77 B |
| 2026-11-05 | $18.90 B |
| 2026-11-04 | $19.01 B |
| 2026-11-03 | $18.63 B |
| 2026-11-02 | $18.85 B |
| 2026-11-01 | $18.51 B |
| 2026-10-31 | $18.51 B |
| 2026-10-30 | $18.62 B |
| 2026-10-29 | $18.26 B |
| 2026-10-28 | $17.92 B |
| 2026-10-27 | $18.09 B |
| 2026-10-26 | $17.95 B |
Market Cap of similar companies
Frequently asked questions
What is ALLIANT ENERGY CORP's market cap?
As of 2026-11-06, ALLIANT ENERGY CORP (LNT) has a market capitalization of $18.77 B, making it the #635 most valuable US-listed company.
Where does ALLIANT ENERGY CORP rank by market cap?
ALLIANT ENERGY CORP is the #635 largest US-listed company by market capitalization.
Data parsed from SEC EDGAR XBRL filings. See the full market cap rankings.