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Alliant Energy Corp

LNT
Exchange
Nasdaq
Industry
Electric & Other Services Combined
SEC CIK
0000352541

In the last 90 days, Alliant Energy Corp insiders filed 0 open-market purchases and 1 sale; 883 institutions reported holding it in 13F filings for Q2 2026, worth $19.3B in total; no superinvestor holds it.

Holders of 5% or more of LNT

Holders whose latest Schedule 13D or 13G filing reports 5% or more of Alliant Energy Corp, largest stake first. The change is against the holder's previous filing.

No holder currently reports owning 5% or more of Alliant Energy Corp on Schedule 13D or 13G.

Stakes are as of each holder's latest filing. Holders whose last filing was in the old format (before December 18, 2024) have no stake on record and are not listed, and after an acquisition or delisting holders usually stop filing.

13D and 13G filings

Schedule 13D and 13G filings on Alliant Energy Corp, newest first.

No Schedule 13D or 13G filings on Alliant Energy Corp are on file.

Form 144: proposed insider sales

Notices from officers, directors and other affiliates planning to sell Alliant Energy Corp shares.

No Form 144 notices for Alliant Energy Corp are on file.