ALLIANT ENERGY CORP

LNT - CIK 0000352541

Market cap$18.85 B

Rank#640

SEC filings3,106

ALLIANT ENERGY CORP has filed 3,106 documents with the SEC between 1994 and 2026. The most frequent type is insider trade (2,041 filings), alongside the regular cadence of annual reports, quarterly reports, and event disclosures every public company must make. Use the filters to focus on one filing type, or flip the sort to trace the company's history from its earliest paperwork.

Data parsed from SEC EDGAR XBRL filings. See the full market cap rankings.