{
 "company": "Alliant Energy",
 "ticker": "LNT",
 "page": "https://www.moatshark.com/s/lnt",
 "note": "Source: SEC filings via moatshark. Values and changes are estimates; not investment advice.",
 "holders": [
  {
   "manager": "Mairs & Power",
   "moatshark_slug": "mairs-power",
   "period": "2026-06-30",
   "portfolio_pct": 1.86,
   "value_usd": 202772183,
   "change": "REDUCE",
   "share_change_pct": -8,
   "quarters_held": 51
  }
 ]
}