{
  "page": "compare",
  "query": {
    "a": "PIPIX",
    "b": "PRIPX"
  },
  "retrieved_at": "2026-07-07T16:06:57+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": "Inflation Protection Fund",
    "ticker": "PIPIX",
    "slug": "PIPIX",
    "series_id": "S000006997",
    "html_url": "https://fundwatcher.app/funds/PIPIX/"
  },
  "fund_b": {
    "name": "T. Rowe Price Inflation Protected Bond Fund, Inc.",
    "ticker": "PRIPX",
    "slug": "PRIPX",
    "series_id": "S000002133",
    "html_url": "https://fundwatcher.app/funds/PRIPX/"
  },
  "overlap": {
    "coverage_a_by_b": "0.7677079068199718678146977388",
    "coverage_b_by_a": "0.7677079068199718678146977387",
    "shared_count": 43,
    "as_of": {
      "a": "2026-01-31",
      "b": "2026-02-28"
    },
    "a_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": false
      },
      {
        "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": false
      },
      {
        "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": false
      },
      {
        "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
      }
    ],
    "b_top": [
      {
        "name": "U.S. Treasury Inflation-Protected Notes 1.75%, Due 01/15/2034",
        "value": "40132959.46",
        "weight": "0.08299633",
        "shared": true
      },
      {
        "name": "U.S. TREASURY INFLATION-PROTECTED SECURITIES 1.375 07/15/33",
        "value": "34569542.02",
        "weight": "0.07149100",
        "shared": true
      },
      {
        "name": "U.S. TREASURY INFLATION-PROTECTED SECURITIES 2.375% 10/15/2028",
        "value": "27421258.00",
        "weight": "0.05670810",
        "shared": true
      },
      {
        "name": "U.S. TREASURY INFLATION-PROTECTED SECURITIES .125 07/15/2030",
        "value": "20879591.96",
        "weight": "0.04317971",
        "shared": true
      },
      {
        "name": "U.S. Treasury Inflation-Protected Indexed Notes",
        "value": "19908762.04",
        "weight": "0.04117200",
        "shared": true
      },
      {
        "name": "U.S. TREASURY INFLATION-PROTECTED SECURITIES 1-5/8% 10/15/27",
        "value": "15547894.45",
        "weight": "0.03215358",
        "shared": true
      },
      {
        "name": "U.S. Treasury Notes",
        "value": "15525046.62",
        "weight": "0.03210633",
        "shared": true
      },
      {
        "name": "U.S. Treasury Inflation-Protected Indexed Notes",
        "value": "15443628.00",
        "weight": "0.03193795",
        "shared": true
      },
      {
        "name": "U.S. TREASURY INFLATION-PROTECTED SECURITIES 0-1/2% 01/15/2028",
        "value": "15123350.48",
        "weight": "0.03127561",
        "shared": true
      },
      {
        "name": "U.S. TREASURY INFLATION-PROTECTED SECURITIES 1.250 04/15/2028",
        "value": "14408429.52",
        "weight": "0.02979713",
        "shared": true
      },
      {
        "name": "U.S. TREASURY INFLATION-PROTECTED SECURITIES 0-1/8% 04/15/2027",
        "value": "14021106.94",
        "weight": "0.02899613",
        "shared": true
      },
      {
        "name": "U.S. TREASURY INFLATION-PROTECTED SECURITIES 0-5/8% 07/15/2032",
        "value": "13849592.88",
        "weight": "0.02864143",
        "shared": true
      },
      {
        "name": "U.S. TREASURY INFLATION-PROTECTED SECURITIES .875% 01/15/2029",
        "value": "13823091.05",
        "weight": "0.02858663",
        "shared": true
      },
      {
        "name": "U.S. Treasury Notes",
        "value": "13480307.83",
        "weight": "0.02787774",
        "shared": true
      },
      {
        "name": "U.S. TREASURY INFLATION-PROTECTED SECURITIES 0-1/8%  01/15/32",
        "value": "13018401.31",
        "weight": "0.02692250",
        "shared": true
      },
      {
        "name": "U.S. Treasury Notes 0.125%, Due 1/15/2030",
        "value": "12959178.65",
        "weight": "0.02680003",
        "shared": true
      },
      {
        "name": "U.S. Treasury Inflation-Linked Notes",
        "value": "12510536.75",
        "weight": "0.02587222",
        "shared": true
      },
      {
        "name": "U.S. Treasury Inflation-Protected Notes 2.125%, Due 02/15/2054",
        "value": "12210869.66",
        "weight": "0.02525250",
        "shared": true
      },
      {
        "name": "U.S. TREASURY INFLATION-PROTECTED SECURITIES .25%  07/15/29",
        "value": "12210612.05",
        "weight": "0.02525196",
        "shared": true
      },
      {
        "name": "U.S. TREASURY INFLATION-PROTECTED SECURITIES 0-1/8% 01/15/2031",
        "value": "12207402.70",
        "weight": "0.02524533",
        "shared": true
      },
      {
        "name": "U.S. TREASURY INFLATION-PROTECTED SECURITIES 0-1/8% 07/15/2031",
        "value": "11458677.23",
        "weight": "0.02369694",
        "shared": true
      },
      {
        "name": "U.S. TREASURY INFLATION-PROTECTED SECURITIES 1.125% 01/15/2033",
        "value": "9199351.25",
        "weight": "0.01902457",
        "shared": true
      },
      {
        "name": "U.S. TREASURY INFLATION-PROTECTED SECURITIES 0-3/4% 07/15/2028",
        "value": "8650512.61",
        "weight": "0.01788956",
        "shared": true
      },
      {
        "name": "U.S. Treasury Inflation-Indexed Notes",
        "value": "8102357.94",
        "weight": "0.01675595",
        "shared": false
      },
      {
        "name": "U.S. TREASURY INFLATION-PROTECTED SECURITIES 3-7/8% 04/15/29",
        "value": "8038477.63",
        "weight": "0.01662385",
        "shared": true
      },
      {
        "name": "U.S. TREASURY INFLATION-PROTECTED SECURITIES 2-1/2% 01/15/29",
        "value": "7679946.42",
        "weight": "0.01588239",
        "shared": true
      },
      {
        "name": "U.S. Treasury Notes",
        "value": "7212424.09",
        "weight": "0.01491554",
        "shared": true
      },
      {
        "name": "U.S. TREASURY INFLATION-PROTECTED SECURITIES 1-3/8% 02/15/2044",
        "value": "6910090.06",
        "weight": "0.01429030",
        "shared": true
      },
      {
        "name": "U.S. TREASURY INFLATION-PROTECTED SECURITIES 0-3/4% 02/15/2042",
        "value": "6297228.71",
        "weight": "0.01302288",
        "shared": true
      },
      {
        "name": "U.S. TREASURY INFLATION-PROTECTED SECURITIES 1-3/4% 01/15/28",
        "value": "5660346.10",
        "weight": "0.01170579",
        "shared": true
      },
      {
        "name": "U.S. Treasury Inflation-Protected Indexed Notes",
        "value": "5634431.27",
        "weight": "0.01165220",
        "shared": true
      },
      {
        "name": "U.S. TREASURY INFLATION-PROTECTED SECURITIES 0-5/8% 02/15/2043",
        "value": "5546294.30",
        "weight": "0.01146993",
        "shared": true
      },
      {
        "name": "U.S. TREASURY INFLATION-PROTECTED SECURITIES 0-3/8% 07/15/2027",
        "value": "5291054.42",
        "weight": "0.01094208",
        "shared": true
      },
      {
        "name": "U.S. TREASURY INFLATION-PROTECTED SECURITIES 0-7/8% 02/15/2047",
        "value": "4834994.84",
        "weight": "0.00999893",
        "shared": true
      },
      {
        "name": "U.S. TREASURY INFLATION-PROTECTED SECURITIES 0-3/4% 02/15/2045",
        "value": "4768385.06",
        "weight": "0.00986118",
        "shared": true
      },
      {
        "name": "U.S. TREASURY INFLATION-PROTECTED SECURITIES 1.50% 2/15/2053",
        "value": "4485525.27",
        "weight": "0.00927622",
        "shared": true
      },
      {
        "name": "U.S. TREASURY INFLATION-PROTECTED SECURITIES 1% 02/15/46",
        "value": "4234086.35",
        "weight": "0.00875624",
        "shared": true
      },
      {
        "name": "U.S. TREASURY INFLATION-PROTECTED SECURITIES 0.25% 02/15/2050",
        "value": "3728659.21",
        "weight": "0.00771099",
        "shared": true
      },
      {
        "name": "U.S. Treasury Inflation Linked Bonds",
        "value": "3578488.16",
        "weight": "0.00740044",
        "shared": true
      },
      {
        "name": "U.S. Treasury Inflation-Protected Indexed Bonds",
        "value": "3038006.93",
        "weight": "0.00628270",
        "shared": true
      },
      {
        "name": "U.S. Treasury Inflation-Protected Indexed Bonds",
        "value": "2975517.12",
        "weight": "0.00615347",
        "shared": true
      },
      {
        "name": "U.S. TREASURY INFLATION-PROTECTED SECURITIES 1% 02/15/48",
        "value": "2867116.27",
        "weight": "0.00592929",
        "shared": true
      },
      {
        "name": "T Rowe Price Government Reserve Investment Fund",
        "value": "2389264.12",
        "weight": "0.00494108",
        "shared": false
      },
      {
        "name": "U.S. Treasury Inflation-Protected Indexed Bonds",
        "value": "1267573.40",
        "weight": "0.00262139",
        "shared": true
      },
      {
        "name": "U.S. TREASURY INFLATION-PROTECTED SECURITIES 0-1/8%  02/15/2052",
        "value": "393770.23",
        "weight": "0.00081433",
        "shared": true
      },
      {
        "name": "5-Year T-Note Futures, Jun-2026,ETH",
        "value": "55465.08",
        "weight": "0.00011470",
        "shared": false
      },
      {
        "name": "GS MTG-BACKED SECS TR 2014-EB1A 2A1 CSTR 07/25/2044 144A",
        "value": "1380.98",
        "weight": "0.00000286",
        "shared": false
      }
    ]
  },
  "error": null,
  "sources": [
    {
      "label": "N-PORT (fund A)",
      "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"
    },
    {
      "label": "N-PORT (fund B)",
      "accession_no": "0001099263-26-004451",
      "as_of": "2026-02-28",
      "edgar_url": "https://www.sec.gov/Archives/edgar/data/1181628/000109926326004451/0001099263-26-004451-index.htm"
    }
  ]
}