Alliant Energy Corporation
LNTLast close · Oct 16, 202668.32+1.22 (+1.82%)
Market cap$17.7B
Of the 85 managers this site tracks, 1 held Alliant Energy (LNT) at the end of Q2 2026, their latest 13Fs. The one holder is Mairs & Power, with $202.8M. No Schedule 13D or 13G is on file for LNT from the activists and large holders the site follows.
Superinvestors holding LNT
| Manager | Firm | Quarter | Shares | Value |
|---|---|---|---|---|
| Mairs & Power | Mairs & Power Inc | Q2 2026 | 3M | $202.8M |
13D/13G are SEC beneficial-ownership disclosures, triggered only above 5%; a 13F is a quarterly snapshot filed up to 45 days after quarter end. Superinvestor names link to their full portfolios under Investors.