{
  "page": "compare",
  "query": {
    "a": "FSTZX",
    "b": "TRBFX"
  },
  "retrieved_at": "2026-07-07T13:19:59+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": "Fidelity Series 0-5 Year Inflation-Protected Bond Index Fund",
    "ticker": "FSTZX",
    "slug": "FSTZX",
    "series_id": "S000072688",
    "html_url": "https://fundwatcher.app/funds/FSTZX/"
  },
  "fund_b": {
    "name": "T. Rowe Price Limited-Duration Inflation Focused Bond Fund, Inc.",
    "ticker": "TRBFX",
    "slug": "TRBFX",
    "series_id": "S000013369",
    "html_url": "https://fundwatcher.app/funds/TRBFX/"
  },
  "overlap": {
    "coverage_a_by_b": "0.6937776592185248256710019110",
    "coverage_b_by_a": "0.6937776592185248256710019109",
    "shared_count": 21,
    "as_of": {
      "a": "2026-03-31",
      "b": "2026-02-28"
    },
    "a_top": [
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        "value": "530029227.12",
        "weight": "0.05464856",
        "shared": true
      },
      {
        "name": "U.S. Treasury Inflation-Linked Notes",
        "value": "512805042.52",
        "weight": "0.05287267",
        "shared": true
      },
      {
        "name": "U.S. Treasury Inflation-Protected Indexed Notes",
        "value": "493243271.69",
        "weight": "0.05085575",
        "shared": true
      },
      {
        "name": "U.S. Treasury Notes",
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        "shared": true
      },
      {
        "name": "U.S. TREASURY INFLATION-PROTECTED SECURITIES 1.250 04/15/2028",
        "value": "485479171.55",
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      },
      {
        "name": "U.S. TREASURY INFLATION-PROTECTED SECURITIES 2.375% 10/15/2028",
        "value": "479180468.53",
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        "shared": true
      },
      {
        "name": "U.S. TREASURY INFLATION-PROTECTED SECURITIES .125 07/15/2030",
        "value": "472850048.87",
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      },
      {
        "name": "U.S. TREASURY INFLATION-PROTECTED SECURITIES 0-1/8% 01/15/2031",
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        "shared": true
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      {
        "name": "U.S. TREASURY INFLATION-PROTECTED SECURITIES 0-1/8% 04/15/2027",
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      {
        "name": "U.S. TREASURY INFLATION-PROTECTED SECURITIES 1-5/8% 10/15/27",
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      {
        "name": "U.S. TREASURY INFLATION-PROTECTED SECURITIES 0-1/8% 10/15/2026",
        "value": "430348237.98",
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      },
      {
        "name": "U.S. TREASURY INFLATION-PROTECTED SECURITIES 0-1/2% 01/15/2028",
        "value": "423520378.69",
        "weight": "0.04366699",
        "shared": true
      },
      {
        "name": "U.S. TREASURY INFLATION-PROTECTED SECURITIES 0-3/8% 07/15/2027",
        "value": "422963909.83",
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      {
        "name": "U.S. Treasury Notes 0.125%, Due 1/15/2030",
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      },
      {
        "name": "U.S. TREASURY INFLATION-PROTECTED SECURITIES .25%  07/15/29",
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      {
        "name": "U.S. TREASURY INFLATION-PROTECTED SECURITIES 0-3/4% 07/15/2028",
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      {
        "name": "U.S. Treasury Inflation-Protected Security 0.375%, due 01/15/27",
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      {
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      {
        "name": "U.S. TREASURY INFLATION-PROTECTED SECURITIES .875% 01/15/2029",
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        "shared": true
      },
      {
        "name": "U.S. Treasury Notes",
        "value": "287054110.59",
        "weight": "0.02959666",
        "shared": false
      },
      {
        "name": "U.S. TREASURY INFLATION-PROTECTED SECURITIES 3-7/8% 04/15/29",
        "value": "258517173.25",
        "weight": "0.02665436",
        "shared": true
      },
      {
        "name": "U.S. TREASURY INFLATION-PROTECTED SECURITIES 2-3/8% 01/15/27",
        "value": "238183971.19",
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      {
        "name": "U.S. TREASURY INFLATION-PROTECTED SECURITIES 3-5/8% 04/15/28",
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      {
        "name": "U.S. TREASURY INFLATION-PROTECTED SECURITIES 1-3/4% 01/15/28",
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        "name": "U.S. TREASURY INFLATION-PROTECTED SECURITIES 2-1/2% 01/15/29",
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      },
      {
        "name": "Fidelity Cash Central Fund",
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    ],
    "b_top": [
      {
        "name": "U.S. Treasury Notes",
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      },
      {
        "name": "U.S. TREASURY INFLATION-PROTECTED SECURITIES 2.375% 10/15/2028",
        "value": "1139847594.30",
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        "shared": true
      },
      {
        "name": "U.S. TREASURY INFLATION-PROTECTED SECURITIES 1-5/8% 10/15/27",
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        "shared": true
      },
      {
        "name": "U.S. TREASURY INFLATION-PROTECTED SECURITIES 0-1/8% 04/15/2027",
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        "weight": "0.07278186",
        "shared": true
      },
      {
        "name": "U.S. Treasury Inflation-Linked Notes",
        "value": "654949208.45",
        "weight": "0.06779800",
        "shared": true
      },
      {
        "name": "U.S. Treasury Notes",
        "value": "632516082.24",
        "weight": "0.06547580",
        "shared": true
      },
      {
        "name": "U.S. Treasury Inflation-Protected Indexed Notes",
        "value": "584600393.62",
        "weight": "0.06051574",
        "shared": true
      },
      {
        "name": "U.S. TREASURY INFLATION-PROTECTED SECURITIES .125 07/15/2030",
        "value": "550836843.74",
        "weight": "0.05702066",
        "shared": true
      },
      {
        "name": "U.S. TREASURY INFLATION-PROTECTED SECURITIES .25%  07/15/29",
        "value": "543579983.95",
        "weight": "0.05626946",
        "shared": true
      },
      {
        "name": "U.S. TREASURY INFLATION-PROTECTED SECURITIES 1.250 04/15/2028",
        "value": "543330644.40",
        "weight": "0.05624365",
        "shared": true
      },
      {
        "name": "U.S. TREASURY INFLATION-PROTECTED SECURITIES 0-1/8% 01/15/2031",
        "value": "527596833.75",
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      {
        "name": "U.S. TREASURY INFLATION-PROTECTED SECURITIES 0-3/4% 07/15/2028",
        "value": "330743182.80",
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        "shared": true
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      {
        "name": "U.S. TREASURY INFLATION-PROTECTED SECURITIES 0-1/2% 01/15/2028",
        "value": "252347260.52",
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        "shared": true
      },
      {
        "name": "U.S. TREASURY INFLATION-PROTECTED SECURITIES 2-1/2% 01/15/29",
        "value": "228429175.63",
        "weight": "0.02364617",
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      {
        "name": "U.S. TREASURY INFLATION-PROTECTED SECURITIES .875% 01/15/2029",
        "value": "184970239.53",
        "weight": "0.01914746",
        "shared": true
      },
      {
        "name": "U.S. Treasury Notes 0.125%, Due 1/15/2030",
        "value": "178705371.60",
        "weight": "0.01849894",
        "shared": true
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      {
        "name": "U.S. TREASURY INFLATION-PROTECTED SECURITIES 3-7/8% 04/15/29",
        "value": "152785306.49",
        "weight": "0.01581579",
        "shared": true
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      {
        "name": "U.S. TREASURY INFLATION-PROTECTED SECURITIES 0-3/8% 07/15/2027",
        "value": "115212709.90",
        "weight": "0.01192641",
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      },
      {
        "name": "T Rowe Price Government Reserve Investment Fund",
        "value": "72083779.63",
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      {
        "name": "U.S. TREASURY INFLATION-PROTECTED SECURITIES 1-3/4% 01/15/28",
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        "shared": true
      },
      {
        "name": "U.S. TREASURY INFLATION-PROTECTED SECURITIES 2-3/8% 01/15/27",
        "value": "46150293.54",
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        "shared": true
      },
      {
        "name": "U.S. TREASURY INFLATION-PROTECTED SECURITIES 3-5/8% 04/15/28",
        "value": "41283656.46",
        "weight": "0.00427354",
        "shared": true
      },
      {
        "name": "5-Year T-Note Futures, Jun-2026,ETH",
        "value": "1243762.40",
        "weight": "0.00012875",
        "shared": false
      },
      {
        "name": "SEQUOIA MORTGAGE TRUST 2018-CH1 SER 2018-CH1 CL A2 V/R REGD 144A P/P 3.50000000",
        "value": "403356.93",
        "weight": "0.00004175",
        "shared": false
      },
      {
        "name": "GS MTG-BACKED SECS TR 2014-EB1A 2A1 CSTR 07/25/2044 144A",
        "value": "27298.91",
        "weight": "0.00000283",
        "shared": false
      },
      {
        "name": "FREDDIE MAC NON GOLD POOL",
        "value": "13725.35",
        "weight": "0.00000142",
        "shared": false
      },
      {
        "name": "FNMA ARM 5.52% 12/35 #848476",
        "value": "7905.10",
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      },
      {
        "name": "FANNIE MAE POOL",
        "value": "6652.38",
        "weight": "0.00000069",
        "shared": false
      },
      {
        "name": "FANNIE MAE POOL",
        "value": "4144.97",
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      },
      {
        "name": "FANNIE MAE POOL",
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        "weight": "0.00000038",
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      },
      {
        "name": "FANNIE MAE POOL",
        "value": "3615.12",
        "weight": "0.00000037",
        "shared": false
      },
      {
        "name": "FANNIE MAE POOL",
        "value": "3610.58",
        "weight": "0.00000037",
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      },
      {
        "name": "FANNIE MAE POOL",
        "value": "2762.83",
        "weight": "0.00000029",
        "shared": false
      },
      {
        "name": "FANNIE MAE POOL",
        "value": "1180.92",
        "weight": "0.00000012",
        "shared": false
      },
      {
        "name": "FANNIE MAE POOL",
        "value": "984.58",
        "weight": "0.00000010",
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      },
      {
        "name": "GNMA II POOL 002326 G2 11/26 FIXED 8.5",
        "value": "393.14",
        "weight": "0.00000004",
        "shared": false
      },
      {
        "name": "FANNIE MAE POOL",
        "value": "344.66",
        "weight": "0.00000004",
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      },
      {
        "name": "FANNIE MAE POOL",
        "value": "306.96",
        "weight": "0.00000003",
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      },
      {
        "name": "FREDDIE MAC NON GOLD POOL",
        "value": "224.94",
        "weight": "0.00000002",
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      },
      {
        "name": "GINNIE MAE II POOL",
        "value": "198.36",
        "weight": "0.00000002",
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      },
      {
        "name": "FREDDIE MAC NON GOLD POOL",
        "value": "95.64",
        "weight": "0.00000001",
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      },
      {
        "name": "GINNIE MAE II POOL",
        "value": "92.65",
        "weight": "0.00000001",
        "shared": false
      },
      {
        "name": "FREDDIE MAC NON GOLD POOL",
        "value": "65.81",
        "weight": "0.00000001",
        "shared": false
      },
      {
        "name": "FNMA POOL 052597 FN 07/27 FLOATING VAR",
        "value": "56.62",
        "weight": "0.00000001",
        "shared": false
      },
      {
        "name": "FNMA, REMIC Trust, Series 2001-W4, Class AF6",
        "value": "10.95",
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      }
    ]
  },
  "error": null,
  "sources": [
    {
      "label": "N-PORT (fund A)",
      "accession_no": "0000035402-26-003404",
      "as_of": "2026-03-31",
      "edgar_url": "https://www.sec.gov/Archives/edgar/data/35315/000003540226003404/0000035402-26-003404-index.htm"
    },
    {
      "label": "N-PORT (fund B)",
      "accession_no": "0001099263-26-004452",
      "as_of": "2026-02-28",
      "edgar_url": "https://www.sec.gov/Archives/edgar/data/1368135/000109926326004452/0001099263-26-004452-index.htm"
    }
  ]
}