{
  "page": "compare",
  "query": {
    "a": "VTP",
    "b": "PIFPX"
  },
  "retrieved_at": "2026-07-07T18:59:52+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 TOTAL INFLATION-PROTECTED SECURITIES ETF",
    "ticker": "VTP",
    "slug": "VTP",
    "series_id": "S000093521",
    "html_url": "https://fundwatcher.app/funds/VTP/"
  },
  "fund_b": {
    "name": "Inflation Protection Fund",
    "ticker": "PIFPX",
    "slug": "PIFPX",
    "series_id": "S000006997",
    "html_url": "https://fundwatcher.app/funds/PIFPX/"
  },
  "overlap": {
    "coverage_a_by_b": "0.9097967141472729116937483329",
    "coverage_b_by_a": "0.9097967141472729116937483328",
    "shared_count": 46,
    "as_of": {
      "a": "2026-03-31",
      "b": "2026-01-31"
    },
    "a_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": false
      },
      {
        "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": false
      },
      {
        "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": false
      }
    ],
    "b_top": [
      {
        "name": "Principal Government Money Market Fund - Class R-6",
        "value": "120822440.33",
        "weight": "0.05403792",
        "shared": false
      },
      {
        "name": "U.S. Treasury Inflation-Protected Indexed Notes",
        "value": "98231027.77",
        "weight": "0.04393390",
        "shared": true
      },
      {
        "name": "U.S. Treasury Notes",
        "value": "95453677.54",
        "weight": "0.04269173",
        "shared": true
      },
      {
        "name": "U.S. Treasury Inflation-Protected Indexed Notes",
        "value": "84235525.30",
        "weight": "0.03767440",
        "shared": true
      },
      {
        "name": "U.S. Treasury Inflation-Protected Notes 1.75%, Due 01/15/2034",
        "value": "82449017.83",
        "weight": "0.03687538",
        "shared": true
      },
      {
        "name": "U.S. TREASURY INFLATION-PROTECTED SECURITIES 0-5/8% 07/15/2032",
        "value": "75613478.48",
        "weight": "0.03381818",
        "shared": true
      },
      {
        "name": "U.S. Treasury Inflation-Linked Notes",
        "value": "75337704.98",
        "weight": "0.03369484",
        "shared": true
      },
      {
        "name": "U.S. Treasury Inflation-Protected Indexed Notes",
        "value": "74610586.43",
        "weight": "0.03336964",
        "shared": true
      },
      {
        "name": "U.S. Treasury Notes",
        "value": "73540575.49",
        "weight": "0.03289108",
        "shared": true
      },
      {
        "name": "U.S. Treasury Notes",
        "value": "72614600.05",
        "weight": "0.03247693",
        "shared": true
      },
      {
        "name": "U.S. TREASURY INFLATION-PROTECTED SECURITIES 0-1/8%  01/15/32",
        "value": "71573874.88",
        "weight": "0.03201147",
        "shared": true
      },
      {
        "name": "U.S. TREASURY INFLATION-PROTECTED SECURITIES 1.250 04/15/2028",
        "value": "71011807.79",
        "weight": "0.03176008",
        "shared": true
      },
      {
        "name": "U.S. TREASURY INFLATION-PROTECTED SECURITIES 2.375% 10/15/2028",
        "value": "69752118.41",
        "weight": "0.03119669",
        "shared": true
      },
      {
        "name": "U.S. TREASURY INFLATION-PROTECTED SECURITIES 1.125% 01/15/2033",
        "value": "69391885.66",
        "weight": "0.03103557",
        "shared": true
      },
      {
        "name": "U.S. TREASURY INFLATION-PROTECTED SECURITIES 1.375 07/15/33",
        "value": "67770923.42",
        "weight": "0.03031059",
        "shared": true
      },
      {
        "name": "U.S. TREASURY INFLATION-PROTECTED SECURITIES 0-1/8% 07/15/2031",
        "value": "65696358.11",
        "weight": "0.02938274",
        "shared": true
      },
      {
        "name": "U.S. TREASURY INFLATION-PROTECTED SECURITIES .125 07/15/2030",
        "value": "65363289.65",
        "weight": "0.02923378",
        "shared": true
      },
      {
        "name": "U.S. TREASURY INFLATION-PROTECTED SECURITIES 0-1/8% 01/15/2031",
        "value": "63160111.31",
        "weight": "0.02824841",
        "shared": true
      },
      {
        "name": "U.S. TREASURY INFLATION-PROTECTED SECURITIES 0-1/2% 01/15/2028",
        "value": "61552129.28",
        "weight": "0.02752923",
        "shared": true
      },
      {
        "name": "U.S. TREASURY INFLATION-PROTECTED SECURITIES 0-3/4% 07/15/2028",
        "value": "56216876.81",
        "weight": "0.02514304",
        "shared": true
      },
      {
        "name": "U.S. TREASURY INFLATION-PROTECTED SECURITIES 1-5/8% 10/15/27",
        "value": "55430151.60",
        "weight": "0.02479118",
        "shared": true
      },
      {
        "name": "U.S. TREASURY INFLATION-PROTECTED SECURITIES .25%  07/15/29",
        "value": "53489332.61",
        "weight": "0.02392314",
        "shared": true
      },
      {
        "name": "U.S. Treasury Notes 0.125%, Due 1/15/2030",
        "value": "53441557.38",
        "weight": "0.02390178",
        "shared": true
      },
      {
        "name": "U.S. TREASURY INFLATION-PROTECTED SECURITIES .875% 01/15/2029",
        "value": "44142277.03",
        "weight": "0.01974267",
        "shared": true
      },
      {
        "name": "U.S. TREASURY INFLATION-PROTECTED SECURITIES 0-3/8% 07/15/2027",
        "value": "42827324.72",
        "weight": "0.01915455",
        "shared": true
      },
      {
        "name": "U.S. TREASURY INFLATION-PROTECTED SECURITIES 0-3/4% 02/15/2042",
        "value": "31727002.43",
        "weight": "0.01418992",
        "shared": true
      },
      {
        "name": "U.S. TREASURY INFLATION-PROTECTED SECURITIES 3-7/8% 04/15/29",
        "value": "31614908.41",
        "weight": "0.01413979",
        "shared": true
      },
      {
        "name": "U.S. TREASURY INFLATION-PROTECTED SECURITIES 1-3/8% 02/15/2044",
        "value": "29490287.82",
        "weight": "0.01318955",
        "shared": true
      },
      {
        "name": "U.S. TREASURY INFLATION-PROTECTED SECURITIES 3-5/8% 04/15/28",
        "value": "29187840.10",
        "weight": "0.01305428",
        "shared": true
      },
      {
        "name": "U.S. Treasury Inflation-Protected Notes 2.125%, Due 02/15/2054",
        "value": "27204799.37",
        "weight": "0.01216737",
        "shared": true
      },
      {
        "name": "U.S. TREASURY INFLATION-PROTECTED SECURITIES 2-1/2% 01/15/29",
        "value": "25801703.66",
        "weight": "0.01153983",
        "shared": true
      },
      {
        "name": "U.S. TREASURY INFLATION-PROTECTED SECURITIES 0-3/4% 02/15/2045",
        "value": "25545028.54",
        "weight": "0.01142503",
        "shared": true
      },
      {
        "name": "U.S. TREASURY INFLATION-PROTECTED SECURITIES 1-3/4% 01/15/28",
        "value": "21669948.40",
        "weight": "0.00969190",
        "shared": true
      },
      {
        "name": "U.S. TREASURY INFLATION-PROTECTED SECURITIES 1.50% 2/15/2053",
        "value": "20567516.77",
        "weight": "0.00919884",
        "shared": true
      },
      {
        "name": "U.S. Treasury Inflation-Protected Indexed Bonds",
        "value": "20243069.29",
        "weight": "0.00905373",
        "shared": true
      },
      {
        "name": "U.S. TREASURY INFLATION-PROTECTED SECURITIES 0-5/8% 02/15/2043",
        "value": "19701809.50",
        "weight": "0.00881165",
        "shared": true
      },
      {
        "name": "U.S. Treasury Inflation-Protected Indexed Bonds",
        "value": "17181225.51",
        "weight": "0.00768432",
        "shared": true
      },
      {
        "name": "U.S. TREASURY INFLATION-PROTECTED SECURITIES 0-1/8%  02/15/2052",
        "value": "16075030.03",
        "weight": "0.00718957",
        "shared": true
      },
      {
        "name": "U.S. TREASURY INFLATION-PROTECTED SECURITIES 0-7/8% 02/15/2047",
        "value": "15803388.00",
        "weight": "0.00706808",
        "shared": true
      },
      {
        "name": "U.S. TREASURY INFLATION-PROTECTED SECURITIES 1% 02/15/46",
        "value": "15366731.99",
        "weight": "0.00687278",
        "shared": true
      },
      {
        "name": "U.S. TREASURY INFLATION-PROTECTED SECURITIES 0.25% 02/15/2050",
        "value": "14572428.80",
        "weight": "0.00651753",
        "shared": true
      },
      {
        "name": "U.S. Treasury Inflation-Protected Indexed Bonds",
        "value": "13412421.61",
        "weight": "0.00599872",
        "shared": true
      },
      {
        "name": "U.S. TREASURY INFLATION-PROTECTED SECURITIES 1% 02/15/48",
        "value": "13109962.72",
        "weight": "0.00586344",
        "shared": true
      },
      {
        "name": "U.S. TREASURY INFLATION-PROTECTED SECURITIES 3-3/8% 04/15/32",
        "value": "12790942.35",
        "weight": "0.00572076",
        "shared": true
      },
      {
        "name": "U.S. Treasury Inflation Linked Bonds",
        "value": "11943229.13",
        "weight": "0.00534162",
        "shared": true
      },
      {
        "name": "U.S. TREASURY INFLATION-PROTECTED SECURITIES 0-1/8% 04/15/2027",
        "value": "7839879.64",
        "weight": "0.00350639",
        "shared": true
      },
      {
        "name": "U.S. TREASURY INFLATION-PROTECTED SECURITIES 2 1/8% 02/15/40",
        "value": "4174571.51",
        "weight": "0.00186708",
        "shared": true
      },
      {
        "name": "Progress Residential 2022-SFR7 Trust",
        "value": "3317945.25",
        "weight": "0.00148395",
        "shared": false
      },
      {
        "name": "Barclays Mortgage Loan Trust, Series 2025-NQM3, Class A1",
        "value": "2468085.51",
        "weight": "0.00110385",
        "shared": false
      },
      {
        "name": "HOMES Trust, Series 2025-AFC2, Class A1A",
        "value": "2451030.86",
        "weight": "0.00109623",
        "shared": false
      }
    ]
  },
  "error": null,
  "sources": [
    {
      "label": "N-PORT (fund A)",
      "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"
    },
    {
      "label": "N-PORT (fund B)",
      "accession_no": "0000898745-26-000443",
      "as_of": "2026-01-31",
      "edgar_url": "https://www.sec.gov/Archives/edgar/data/898745/000089874526000443/0000898745-26-000443-index.htm"
    }
  ]
}