{
  "page": "compare",
  "query": {
    "a": "VIPIX",
    "b": "VTP"
  },
  "retrieved_at": "2026-07-07T13:56:26+00:00",
  "disclaimer": "Informational only — not investment advice. FundWatcher presents publicly available data and makes no recommendation to buy or sell any security. Verify all figures against the source filing before relying on them.",
  "attribution": "Data sourced from U.S. SEC EDGAR filings (Forms N-PORT, N-CEN, and prospectus Risk/Return summaries). FundWatcher is not affiliated with the SEC.",
  "terms": {
    "notice": "Use of this data is subject to the FundWatcher Terms of Service. Information may be used only for personal, non-commercial research and may not be redistributed.",
    "url": "https://fundwatcher.app/terms/"
  },
  "fund_a": {
    "name": "VANGUARD INFLATION-PROTECTED SECURITIES FUND",
    "ticker": "VIPIX",
    "slug": "VIPIX",
    "series_id": "S000019554",
    "html_url": "https://fundwatcher.app/funds/VIPIX/"
  },
  "fund_b": {
    "name": "VANGUARD TOTAL INFLATION-PROTECTED SECURITIES ETF",
    "ticker": "VTP",
    "slug": "VTP",
    "series_id": "S000093521",
    "html_url": "https://fundwatcher.app/funds/VTP/"
  },
  "overlap": {
    "coverage_a_by_b": "0.9193556293133087520116974494",
    "coverage_b_by_a": "0.9193556293133087520116974496",
    "shared_count": 49,
    "as_of": {
      "a": "2026-03-31",
      "b": "2026-03-31"
    },
    "a_top": [
      {
        "name": "U.S. Treasury Inflation-Protected Indexed Notes",
        "value": "1095355303.11",
        "weight": "0.03940478",
        "shared": true
      },
      {
        "name": "U.S. Treasury Inflation-Protected Indexed Notes",
        "value": "1030162302.20",
        "weight": "0.03705950",
        "shared": true
      },
      {
        "name": "U.S. Treasury Inflation-Protected Notes 1.75%, Due 01/15/2034",
        "value": "982866052.04",
        "weight": "0.03535805",
        "shared": true
      },
      {
        "name": "U.S. TREASURY INFLATION-PROTECTED SECURITIES 1.375 07/15/33",
        "value": "918423941.27",
        "weight": "0.03303978",
        "shared": true
      },
      {
        "name": "U.S. TREASURY INFLATION-PROTECTED SECURITIES 1.125% 01/15/2033",
        "value": "916215424.25",
        "weight": "0.03296033",
        "shared": true
      },
      {
        "name": "U.S. TREASURY INFLATION-PROTECTED SECURITIES 0-5/8% 07/15/2032",
        "value": "913878109.83",
        "weight": "0.03287624",
        "shared": true
      },
      {
        "name": "U.S. Treasury Notes",
        "value": "902161462.93",
        "weight": "0.03245474",
        "shared": true
      },
      {
        "name": "U.S. Treasury Notes",
        "value": "901448748.80",
        "weight": "0.03242910",
        "shared": true
      },
      {
        "name": "U.S. Treasury Inflation-Protected Indexed Notes",
        "value": "884062250.10",
        "weight": "0.03180364",
        "shared": true
      },
      {
        "name": "U.S. TREASURY INFLATION-PROTECTED SECURITIES 2.375% 10/15/2028",
        "value": "869395156.77",
        "weight": "0.03127599",
        "shared": true
      },
      {
        "name": "U.S. TREASURY INFLATION-PROTECTED SECURITIES 0-3/4% 07/15/2028",
        "value": "866102993.15",
        "weight": "0.03115756",
        "shared": true
      },
      {
        "name": "U.S. TREASURY INFLATION-PROTECTED SECURITIES 0-1/8%  01/15/32",
        "value": "859498032.99",
        "weight": "0.03091995",
        "shared": true
      },
      {
        "name": "U.S. TREASURY INFLATION-PROTECTED SECURITIES 1-5/8% 10/15/27",
        "value": "819215103.62",
        "weight": "0.02947080",
        "shared": true
      },
      {
        "name": "U.S. TREASURY INFLATION-PROTECTED SECURITIES 1.250 04/15/2028",
        "value": "817213122.57",
        "weight": "0.02939878",
        "shared": true
      },
      {
        "name": "U.S. TREASURY INFLATION-PROTECTED SECURITIES 0-1/8% 04/15/2027",
        "value": "799986778.97",
        "weight": "0.02877907",
        "shared": true
      },
      {
        "name": "U.S. TREASURY INFLATION-PROTECTED SECURITIES 0-1/8% 07/15/2031",
        "value": "786281055.34",
        "weight": "0.02828601",
        "shared": true
      },
      {
        "name": "U.S. TREASURY INFLATION-PROTECTED SECURITIES 0-1/8% 01/15/2031",
        "value": "776506882.19",
        "weight": "0.02793439",
        "shared": true
      },
      {
        "name": "U.S. TREASURY INFLATION-PROTECTED SECURITIES .125 07/15/2030",
        "value": "753606704.41",
        "weight": "0.02711057",
        "shared": true
      },
      {
        "name": "U.S. TREASURY INFLATION-PROTECTED SECURITIES 0-1/2% 01/15/2028",
        "value": "723112613.77",
        "weight": "0.02601356",
        "shared": true
      },
      {
        "name": "U.S. Treasury Notes 0.125%, Due 1/15/2030",
        "value": "718075535.40",
        "weight": "0.02583236",
        "shared": true
      },
      {
        "name": "U.S. Treasury Notes",
        "value": "630872904.76",
        "weight": "0.02269529",
        "shared": true
      },
      {
        "name": "U.S. Treasury Inflation-Linked Notes",
        "value": "606174530.12",
        "weight": "0.02180678",
        "shared": true
      },
      {
        "name": "U.S. TREASURY INFLATION-PROTECTED SECURITIES .875% 01/15/2029",
        "value": "561220574.73",
        "weight": "0.02018959",
        "shared": true
      },
      {
        "name": "U.S. TREASURY INFLATION-PROTECTED SECURITIES .25%  07/15/29",
        "value": "549148521.55",
        "weight": "0.01975530",
        "shared": true
      },
      {
        "name": "U.S. TREASURY INFLATION-PROTECTED SECURITIES 0-3/8% 07/15/2027",
        "value": "541325596.81",
        "weight": "0.01947388",
        "shared": true
      },
      {
        "name": "US TREASURY N/B",
        "value": "535070156.25",
        "weight": "0.01924884",
        "shared": false
      },
      {
        "name": "U.S. TREASURY INFLATION-PROTECTED SECURITIES 0-3/4% 02/15/2045",
        "value": "463324021.10",
        "weight": "0.01666782",
        "shared": true
      },
      {
        "name": "U.S. TREASURY INFLATION-PROTECTED SECURITIES 3-7/8% 04/15/29",
        "value": "382598778.56",
        "weight": "0.01376377",
        "shared": true
      },
      {
        "name": "U.S. TREASURY INFLATION-PROTECTED SECURITIES 1-3/8% 02/15/2044",
        "value": "357432176.48",
        "weight": "0.01285842",
        "shared": true
      },
      {
        "name": "US TREASURY N/B",
        "value": "335955997.41",
        "weight": "0.01208583",
        "shared": false
      },
      {
        "name": "U.S. TREASURY INFLATION-PROTECTED SECURITIES 3-5/8% 04/15/28",
        "value": "324709560.63",
        "weight": "0.01168124",
        "shared": true
      },
      {
        "name": "U.S. Treasury Inflation-Indexed Notes",
        "value": "315715849.73",
        "weight": "0.01135770",
        "shared": true
      },
      {
        "name": "U.S. TREASURY INFLATION-PROTECTED SECURITIES 2-1/2% 01/15/29",
        "value": "308314882.43",
        "weight": "0.01109145",
        "shared": true
      },
      {
        "name": "U.S. Treasury Inflation-Protected Indexed Bonds",
        "value": "305723187.98",
        "weight": "0.01099822",
        "shared": true
      },
      {
        "name": "U.S. TREASURY INFLATION-PROTECTED SECURITIES 1-3/4% 01/15/28",
        "value": "305133751.89",
        "weight": "0.01097701",
        "shared": true
      },
      {
        "name": "U.S. TREASURY INFLATION-PROTECTED SECURITIES 0-3/4% 02/15/2042",
        "value": "296251623.52",
        "weight": "0.01065748",
        "shared": true
      },
      {
        "name": "U.S. Treasury Inflation-Protected Notes 2.125%, Due 02/15/2054",
        "value": "283137234.91",
        "weight": "0.01018570",
        "shared": true
      },
      {
        "name": "Vanguard Market Liquidity Fund",
        "value": "266544281.01",
        "weight": "0.00958878",
        "shared": true
      },
      {
        "name": "U.S. TREASURY INFLATION-PROTECTED SECURITIES 1.50% 2/15/2053",
        "value": "256637456.18",
        "weight": "0.00923239",
        "shared": true
      },
      {
        "name": "U.S. Treasury Inflation-Protected Indexed Bonds",
        "value": "253336618.73",
        "weight": "0.00911364",
        "shared": true
      },
      {
        "name": "U.S. TREASURY INFLATION-PROTECTED SECURITIES 0-1/8%  02/15/2052",
        "value": "200682774.33",
        "weight": "0.00721945",
        "shared": true
      },
      {
        "name": "U.S. TREASURY INFLATION-PROTECTED SECURITIES 1% 02/15/46",
        "value": "178559401.35",
        "weight": "0.00642357",
        "shared": true
      },
      {
        "name": "UNITED STATES TREASURY INFLATION INDEXED BONDS I/L 2.375% 02-15-56",
        "value": "176015729.83",
        "weight": "0.00633207",
        "shared": true
      },
      {
        "name": "U.S. TREASURY INFLATION-PROTECTED SECURITIES 0-5/8% 02/15/2043",
        "value": "172122009.02",
        "weight": "0.00619199",
        "shared": true
      },
      {
        "name": "U.S. TREASURY INFLATION-PROTECTED SECURITIES 0.25% 02/15/2050",
        "value": "171298344.01",
        "weight": "0.00616236",
        "shared": true
      },
      {
        "name": "U.S. Treasury Inflation-Protected Indexed Bonds",
        "value": "161282248.43",
        "weight": "0.00580204",
        "shared": true
      },
      {
        "name": "U.S. TREASURY INFLATION-PROTECTED SECURITIES 2 1/8% 02/15/40",
        "value": "160645812.86",
        "weight": "0.00577914",
        "shared": true
      },
      {
        "name": "U.S. TREASURY INFLATION-PROTECTED SECURITIES 0-7/8% 02/15/2047",
        "value": "155845631.12",
        "weight": "0.00560646",
        "shared": true
      },
      {
        "name": "U.S. TREASURY INFLATION-PROTECTED SECURITIES 1% 02/15/48",
        "value": "153242543.25",
        "weight": "0.00551281",
        "shared": true
      },
      {
        "name": "U.S. TREASURY INFLATION-PROTECTED SECURITIES 3-3/8% 04/15/32",
        "value": "143585765.95",
        "weight": "0.00516542",
        "shared": true
      }
    ],
    "b_top": [
      {
        "name": "U.S. Treasury Notes",
        "value": "4554781.23",
        "weight": "0.04148726",
        "shared": true
      },
      {
        "name": "U.S. Treasury Inflation-Protected Indexed Notes",
        "value": "4486064.62",
        "weight": "0.04086136",
        "shared": true
      },
      {
        "name": "U.S. Treasury Inflation-Protected Indexed Notes",
        "value": "4220608.89",
        "weight": "0.03844345",
        "shared": true
      },
      {
        "name": "U.S. Treasury Inflation-Protected Notes 1.75%, Due 01/15/2034",
        "value": "4028089.03",
        "weight": "0.03668988",
        "shared": true
      },
      {
        "name": "U.S. Treasury Inflation-Linked Notes",
        "value": "3812405.27",
        "weight": "0.03472532",
        "shared": true
      },
      {
        "name": "U.S. Treasury Notes",
        "value": "3788645.71",
        "weight": "0.03450891",
        "shared": true
      },
      {
        "name": "U.S. TREASURY INFLATION-PROTECTED SECURITIES 1.125% 01/15/2033",
        "value": "3765332.42",
        "weight": "0.03429656",
        "shared": true
      },
      {
        "name": "U.S. TREASURY INFLATION-PROTECTED SECURITIES 1.375 07/15/33",
        "value": "3736780.75",
        "weight": "0.03403650",
        "shared": true
      },
      {
        "name": "U.S. TREASURY INFLATION-PROTECTED SECURITIES 0-5/8% 07/15/2032",
        "value": "3724786.93",
        "weight": "0.03392725",
        "shared": true
      },
      {
        "name": "U.S. Treasury Inflation-Protected Indexed Notes",
        "value": "3674550.69",
        "weight": "0.03346967",
        "shared": true
      },
      {
        "name": "U.S. TREASURY INFLATION-PROTECTED SECURITIES 2.375% 10/15/2028",
        "value": "3550225.12",
        "weight": "0.03233725",
        "shared": true
      },
      {
        "name": "U.S. Treasury Notes",
        "value": "3549066.01",
        "weight": "0.03232670",
        "shared": true
      },
      {
        "name": "U.S. TREASURY INFLATION-PROTECTED SECURITIES 0-1/8%  01/15/32",
        "value": "3502701.85",
        "weight": "0.03190439",
        "shared": true
      },
      {
        "name": "U.S. TREASURY INFLATION-PROTECTED SECURITIES 1-5/8% 10/15/27",
        "value": "3354880.90",
        "weight": "0.03055796",
        "shared": true
      },
      {
        "name": "U.S. TREASURY INFLATION-PROTECTED SECURITIES 1.250 04/15/2028",
        "value": "3342427.25",
        "weight": "0.03044453",
        "shared": true
      },
      {
        "name": "U.S. TREASURY INFLATION-PROTECTED SECURITIES 0-1/8% 04/15/2027",
        "value": "3337894.33",
        "weight": "0.03040324",
        "shared": true
      },
      {
        "name": "U.S. TREASURY INFLATION-PROTECTED SECURITIES 0-1/8% 07/15/2031",
        "value": "3269597.95",
        "weight": "0.02978116",
        "shared": true
      },
      {
        "name": "U.S. TREASURY INFLATION-PROTECTED SECURITIES 0-1/8% 01/15/2031",
        "value": "3228519.61",
        "weight": "0.02940700",
        "shared": true
      },
      {
        "name": "U.S. TREASURY INFLATION-PROTECTED SECURITIES .125 07/15/2030",
        "value": "3180110.83",
        "weight": "0.02896606",
        "shared": true
      },
      {
        "name": "U.S. TREASURY INFLATION-PROTECTED SECURITIES 0-1/2% 01/15/2028",
        "value": "3023216.68",
        "weight": "0.02753699",
        "shared": true
      },
      {
        "name": "U.S. TREASURY INFLATION-PROTECTED SECURITIES 0-3/8% 07/15/2027",
        "value": "2987723.89",
        "weight": "0.02721371",
        "shared": true
      },
      {
        "name": "U.S. Treasury Notes 0.125%, Due 1/15/2030",
        "value": "2903426.39",
        "weight": "0.02644588",
        "shared": true
      },
      {
        "name": "U.S. TREASURY INFLATION-PROTECTED SECURITIES 0-3/4% 07/15/2028",
        "value": "2634067.18",
        "weight": "0.02399242",
        "shared": true
      },
      {
        "name": "U.S. TREASURY INFLATION-PROTECTED SECURITIES .25%  07/15/29",
        "value": "2620823.69",
        "weight": "0.02387179",
        "shared": true
      },
      {
        "name": "U.S. TREASURY INFLATION-PROTECTED SECURITIES .875% 01/15/2029",
        "value": "2230405.13",
        "weight": "0.02031566",
        "shared": true
      },
      {
        "name": "U.S. Treasury Inflation-Indexed Notes",
        "value": "1586254.88",
        "weight": "0.01444842",
        "shared": true
      },
      {
        "name": "U.S. TREASURY INFLATION-PROTECTED SECURITIES 3-7/8% 04/15/29",
        "value": "1530464.27",
        "weight": "0.01394025",
        "shared": true
      },
      {
        "name": "U.S. TREASURY INFLATION-PROTECTED SECURITIES 1-3/8% 02/15/2044",
        "value": "1464478.91",
        "weight": "0.01333922",
        "shared": true
      },
      {
        "name": "U.S. TREASURY INFLATION-PROTECTED SECURITIES 0-3/4% 02/15/2045",
        "value": "1409384.53",
        "weight": "0.01283739",
        "shared": true
      },
      {
        "name": "U.S. TREASURY INFLATION-PROTECTED SECURITIES 3-5/8% 04/15/28",
        "value": "1332031.62",
        "weight": "0.01213282",
        "shared": true
      },
      {
        "name": "U.S. Treasury Inflation-Protected Indexed Bonds",
        "value": "1244554.12",
        "weight": "0.01133603",
        "shared": true
      },
      {
        "name": "U.S. TREASURY INFLATION-PROTECTED SECURITIES 1-3/4% 01/15/28",
        "value": "1239269.87",
        "weight": "0.01128790",
        "shared": true
      },
      {
        "name": "U.S. TREASURY INFLATION-PROTECTED SECURITIES 0-3/4% 02/15/2042",
        "value": "1228478.00",
        "weight": "0.01118960",
        "shared": true
      },
      {
        "name": "U.S. Treasury Inflation-Protected Notes 2.125%, Due 02/15/2054",
        "value": "1210986.51",
        "weight": "0.01103028",
        "shared": true
      },
      {
        "name": "U.S. TREASURY INFLATION-PROTECTED SECURITIES 2-1/2% 01/15/29",
        "value": "1181896.09",
        "weight": "0.01076531",
        "shared": true
      },
      {
        "name": "U.S. TREASURY INFLATION-PROTECTED SECURITIES 1.50% 2/15/2053",
        "value": "1032256.67",
        "weight": "0.00940232",
        "shared": true
      },
      {
        "name": "U.S. Treasury Inflation-Protected Indexed Bonds",
        "value": "983483.05",
        "weight": "0.00895806",
        "shared": true
      },
      {
        "name": "U.S. TREASURY INFLATION-PROTECTED SECURITIES 0-5/8% 02/15/2043",
        "value": "947522.88",
        "weight": "0.00863052",
        "shared": true
      },
      {
        "name": "U.S. TREASURY INFLATION-PROTECTED SECURITIES 0-7/8% 02/15/2047",
        "value": "871743.22",
        "weight": "0.00794028",
        "shared": true
      },
      {
        "name": "U.S. TREASURY INFLATION-PROTECTED SECURITIES 0-1/8%  02/15/2052",
        "value": "771051.95",
        "weight": "0.00702313",
        "shared": true
      },
      {
        "name": "U.S. TREASURY INFLATION-PROTECTED SECURITIES 1% 02/15/46",
        "value": "739454.32",
        "weight": "0.00673533",
        "shared": true
      },
      {
        "name": "U.S. TREASURY INFLATION-PROTECTED SECURITIES 0.25% 02/15/2050",
        "value": "712240.18",
        "weight": "0.00648745",
        "shared": true
      },
      {
        "name": "U.S. Treasury Inflation-Protected Indexed Bonds",
        "value": "656933.11",
        "weight": "0.00598368",
        "shared": true
      },
      {
        "name": "U.S. TREASURY INFLATION-PROTECTED SECURITIES 2 1/8% 02/15/40",
        "value": "656625.62",
        "weight": "0.00598088",
        "shared": true
      },
      {
        "name": "UNITED STATES TREASURY INFLATION INDEXED BONDS I/L 2.375% 02-15-56",
        "value": "642597.11",
        "weight": "0.00585310",
        "shared": true
      },
      {
        "name": "U.S. TREASURY INFLATION-PROTECTED SECURITIES 1% 02/15/48",
        "value": "633780.89",
        "weight": "0.00577280",
        "shared": true
      },
      {
        "name": "U.S. TREASURY INFLATION-PROTECTED SECURITIES 3-3/8% 04/15/32",
        "value": "584219.40",
        "weight": "0.00532137",
        "shared": true
      },
      {
        "name": "U.S. Treasury Inflation Linked Bonds",
        "value": "573912.40",
        "weight": "0.00522749",
        "shared": true
      },
      {
        "name": "Vanguard Market Liquidity Fund",
        "value": "46712.83",
        "weight": "0.00042548",
        "shared": true
      }
    ]
  },
  "error": null,
  "sources": [
    {
      "label": "N-PORT (fund A)",
      "accession_no": "0000794105-26-000184",
      "as_of": "2026-03-31",
      "edgar_url": "https://www.sec.gov/Archives/edgar/data/794105/000079410526000184/0000794105-26-000184-index.htm"
    },
    {
      "label": "N-PORT (fund B)",
      "accession_no": "0000836906-26-000265",
      "as_of": "2026-03-31",
      "edgar_url": "https://www.sec.gov/Archives/edgar/data/836906/000083690626000265/0000836906-26-000265-index.htm"
    }
  ]
}