{
 "sym": "mbxix",
 "as_of": "September 30, 2024",
 "net_assets": 7537652760.0,
 "n_positions": 223,
 "categories": [
  {
   "name": "EXCHANGE-TRADED FUNDS",
   "pct": 50.3
  },
  {
   "name": "EQUITY",
   "pct": 50.3
  },
  {
   "name": "U.S. GOVERNMENT & AGENCIES",
   "pct": 38.4
  },
  {
   "name": "TREASURY NOTES",
   "pct": 38.4
  },
  {
   "name": "SHORT-TERM INVESTMENTS",
   "pct": 7.9
  },
  {
   "name": "MONEY MARKET FUNDS",
   "pct": 7.9
  },
  {
   "name": "American Treasury Obligations Fund, Class X,",
   "pct": 4.81
  },
  {
   "name": "OTHER ASSETS IN EXCESS OF LIABILITIES",
   "pct": 3.4
  }
 ],
 "buckets": [
  {
   "name": "Fund holdings",
   "value": 9478197061.0,
   "pct": 76.60463621904158
  },
  {
   "name": "US govt",
   "value": 2894236165.0,
   "pct": 23.39178085504241
  },
  {
   "name": "Other",
   "value": 443311.0,
   "pct": 0.0035829259160092435
  }
 ],
 "top": [
  {
   "text": "TOTAL INVESTMENTS - 96.6% (Cost $6,186,216,613)",
   "value": 6186216613.0,
   "cat": "American Treasury Obligations Fund, Class X,"
  },
  {
   "text": "TOTAL U.S. GOVERNMENT & AGENCIES (Cost $2,894,236,165)",
   "value": 2894236165.0,
   "cat": "TREASURY NOTES"
  },
  {
   "text": "TOTAL EXCHANGE-TRADED FUNDS (Cost $2,699,965,147)",
   "value": 2699965147.0,
   "cat": "EQUITY"
  },
  {
   "text": "TOTAL SHORT-TERM INVESTMENTS (Cost $592,015,301)",
   "value": 592015301.0,
   "cat": "American Treasury Obligations Fund, Class X,"
  },
  {
   "text": "03/17/2027",
   "value": 2027.0,
   "cat": "NET ASSETS"
  },
  {
   "text": "03/17/2027",
   "value": 2027.0,
   "cat": "NET ASSETS"
  },
  {
   "text": "03/16/2026",
   "value": 2026.0,
   "cat": "NET ASSETS"
  },
  {
   "text": "06/15/2026",
   "value": 2026.0,
   "cat": "NET ASSETS"
  },
  {
   "text": "09/14/2026",
   "value": 2026.0,
   "cat": "NET ASSETS"
  },
  {
   "text": "12/15/2026",
   "value": 2026.0,
   "cat": "NET ASSETS"
  },
  {
   "text": "03/17/2026",
   "value": 2026.0,
   "cat": "NET ASSETS"
  },
  {
   "text": "06/16/2026",
   "value": 2026.0,
   "cat": "NET ASSETS"
  },
  {
   "text": "09/15/2026",
   "value": 2026.0,
   "cat": "NET ASSETS"
  },
  {
   "text": "12/15/2026",
   "value": 2026.0,
   "cat": "NET ASSETS"
  },
  {
   "text": "03/17/2026",
   "value": 2026.0,
   "cat": "NET ASSETS"
  },
  {
   "text": "06/16/2026",
   "value": 2026.0,
   "cat": "NET ASSETS"
  },
  {
   "text": "09/15/2026",
   "value": 2026.0,
   "cat": "NET ASSETS"
  },
  {
   "text": "12/16/2026",
   "value": 2026.0,
   "cat": "NET ASSETS"
  },
  {
   "text": "06/16/2025",
   "value": 2025.0,
   "cat": "NET ASSETS"
  },
  {
   "text": "09/15/2025",
   "value": 2025.0,
   "cat": "NET ASSETS"
  },
  {
   "text": "12/15/2025",
   "value": 2025.0,
   "cat": "NET ASSETS"
  },
  {
   "text": "01/01/2025",
   "value": 2025.0,
   "cat": "NET ASSETS"
  },
  {
   "text": "01/01/2025",
   "value": 2025.0,
   "cat": "NET ASSETS"
  },
  {
   "text": "02/28/2025",
   "value": 2025.0,
   "cat": "NET ASSETS"
  },
  {
   "text": "01/30/2025",
   "value": 2025.0,
   "cat": "NET ASSETS"
  },
  {
   "text": "09/16/2025",
   "value": 2025.0,
   "cat": "NET ASSETS"
  },
  {
   "text": "12/16/2025",
   "value": 2025.0,
   "cat": "NET ASSETS"
  },
  {
   "text": "09/16/2025",
   "value": 2025.0,
   "cat": "NET ASSETS"
  },
  {
   "text": "12/16/2025",
   "value": 2025.0,
   "cat": "NET ASSETS"
  },
  {
   "text": "01/01/2025",
   "value": 2025.0,
   "cat": "NET ASSETS"
  },
  {
   "text": "02/03/2025",
   "value": 2025.0,
   "cat": "NET ASSETS"
  },
  {
   "text": "03/03/2025",
   "value": 2025.0,
   "cat": "NET ASSETS"
  },
  {
   "text": "04/01/2025",
   "value": 2025.0,
   "cat": "NET ASSETS"
  },
  {
   "text": "01/13/2025",
   "value": 2025.0,
   "cat": "NET ASSETS"
  },
  {
   "text": "01/30/2025",
   "value": 2025.0,
   "cat": "NET ASSETS"
  },
  {
   "text": "02/27/2025",
   "value": 2025.0,
   "cat": "NET ASSETS"
  },
  {
   "text": "02/21/2025",
   "value": 2025.0,
   "cat": "NET ASSETS"
  },
  {
   "text": "03/21/2025",
   "value": 2025.0,
   "cat": "NET ASSETS"
  },
  {
   "text": "01/22/2025",
   "value": 2025.0,
   "cat": "NET ASSETS"
  },
  {
   "text": "01/01/2025",
   "value": 2025.0,
   "cat": "NET ASSETS"
  }
 ]
}