{
 "company": "iShares Russell 1000 ETF",
 "ticker": "IWB",
 "page": "https://www.moatshark.com/s/iwb",
 "note": "Source: SEC filings via moatshark. Values and changes are estimates; not investment advice.",
 "holders": [
  {
   "manager": "Matrix Asset Advisors",
   "moatshark_slug": "matrix-asset-advisors",
   "period": "2026-09-30",
   "portfolio_pct": 0.02,
   "value_usd": 249539,
   "change": "REDUCE",
   "share_change_pct": -14.2,
   "quarters_held": 11
  },
  {
   "manager": "Century Management",
   "moatshark_slug": "century-management",
   "period": "2026-06-30",
   "portfolio_pct": 0,
   "value_usd": 0,
   "change": "EXIT",
   "share_change_pct": null,
   "quarters_held": 2
  }
 ]
}