{
 "company": "State Street SPDR Portfolio S&P 600 Small Cap ETF",
 "ticker": "SPSM",
 "page": "https://www.moatshark.com/s/spsm",
 "note": "Source: SEC filings via moatshark. Values and changes are estimates; not investment advice.",
 "holders": [
  {
   "manager": "Century Management",
   "moatshark_slug": "century-management",
   "period": "2026-06-30",
   "portfolio_pct": 0.08,
   "value_usd": 401845,
   "change": "REDUCE",
   "share_change_pct": -3.8,
   "quarters_held": 19
  }
 ]
}