{
  "page": "compare",
  "query": {
    "a": "FSTQX",
    "b": "SEFIX"
  },
  "retrieved_at": "2026-07-07T16:16:40+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 International Developed Markets Bond Index Fund",
    "ticker": "FSTQX",
    "slug": "FSTQX",
    "series_id": "S000072687",
    "html_url": "https://fundwatcher.app/funds/FSTQX/"
  },
  "fund_b": {
    "name": "SIT International Fixed Income Fund",
    "ticker": "SEFIX",
    "slug": "SEFIX",
    "series_id": "S000006419",
    "html_url": "https://fundwatcher.app/funds/SEFIX/"
  },
  "overlap": {
    "coverage_a_by_b": "0.07213501549008767682744778195",
    "coverage_b_by_a": "0.07213501549008767682744778194",
    "shared_count": 64,
    "as_of": {
      "a": "2026-03-31",
      "b": "2026-03-31"
    },
    "a_top": [
      {
        "name": "SPTR TRS EQUITY SOFR+70 BOA",
        "value": "240603319.92",
        "weight": "0.01505396",
        "shared": false
      },
      {
        "name": "Fidelity Cash Central Fund",
        "value": "160791847.98",
        "weight": "0.01006035",
        "shared": false
      },
      {
        "name": "UNITED KINGDOM GILT GBP REG S 4.5% 06-07-28",
        "value": "145689474.93",
        "weight": "0.00911543",
        "shared": false
      },
      {
        "name": "ITALY REPUBLIC OF 2.1% 08/26/2027 REGS",
        "value": "134834390.72",
        "weight": "0.00843626",
        "shared": false
      },
      {
        "name": "United Kingdom of Great Britain and Northern Ireland",
        "value": "130597762.21",
        "weight": "0.00817118",
        "shared": true
      },
      {
        "name": "JAPAN GOVT 10-YR",
        "value": "130352144.97",
        "weight": "0.00815581",
        "shared": true
      },
      {
        "name": "French Republic Government Bonds OAT",
        "value": "117592698.45",
        "weight": "0.00735749",
        "shared": false
      },
      {
        "name": "PORTUGUESE OT'S",
        "value": "109800115.82",
        "weight": "0.00686992",
        "shared": false
      },
      {
        "name": "GERMANY FEDERAL REPUBLIC OF 2.4% 10/19/2028 REGS",
        "value": "107564485.28",
        "weight": "0.00673004",
        "shared": false
      },
      {
        "name": "French Republic Government Bonds OAT",
        "value": "106362625.37",
        "weight": "0.00665485",
        "shared": false
      },
      {
        "name": "PORTUGUESE OT'S",
        "value": "102603323.34",
        "weight": "0.00641964",
        "shared": false
      },
      {
        "name": "French Republic Government Bonds OAT",
        "value": "92738532.62",
        "weight": "0.00580242",
        "shared": false
      },
      {
        "name": "UNITED KINGDOM GILT GBP REG S 3.5% 01-22-45",
        "value": "91172111.48",
        "weight": "0.00570441",
        "shared": true
      },
      {
        "name": "Republic of Austria Government Bonds",
        "value": "90251457.09",
        "weight": "0.00564681",
        "shared": false
      },
      {
        "name": "AUSTRALIAN GOVT.",
        "value": "89214533.94",
        "weight": "0.00558193",
        "shared": false
      },
      {
        "name": "AUSTRALIAN GOVT.",
        "value": "88358470.04",
        "weight": "0.00552837",
        "shared": false
      },
      {
        "name": "Republic of Austria Government Bonds",
        "value": "87640166.93",
        "weight": "0.00548343",
        "shared": false
      },
      {
        "name": "HELLENIC REPUBLIC GOVERNMENT BOND EUR REG S 3.9% 01-30-33",
        "value": "87550650.90",
        "weight": "0.00547783",
        "shared": false
      },
      {
        "name": "French Republic Government Bonds OAT",
        "value": "84041806.14",
        "weight": "0.00525829",
        "shared": false
      },
      {
        "name": "ITALY REPUBLIC OF 2.7% 10/01/2030 144A REGS",
        "value": "83596639.98",
        "weight": "0.00523044",
        "shared": false
      },
      {
        "name": "JAPAN GOVT 20-YR",
        "value": "83078993.09",
        "weight": "0.00519805",
        "shared": false
      },
      {
        "name": "UNITED KINGDOM GILT 4.250000% 07/31/2034",
        "value": "83043526.31",
        "weight": "0.00519583",
        "shared": true
      },
      {
        "name": "GERMANY FEDERAL REPUBLIC OF 2.6% 08/15/2035 REGS",
        "value": "82233104.84",
        "weight": "0.00514512",
        "shared": false
      },
      {
        "name": "SPANISH GOV'T",
        "value": "81625416.48",
        "weight": "0.00510710",
        "shared": false
      },
      {
        "name": "JAPAN GOVT 10-YR",
        "value": "80654763.58",
        "weight": "0.00504637",
        "shared": false
      },
      {
        "name": "FINNISH GOV'T",
        "value": "79853053.31",
        "weight": "0.00499621",
        "shared": false
      },
      {
        "name": "French Republic Government Bonds OAT",
        "value": "78842670.30",
        "weight": "0.00493299",
        "shared": false
      },
      {
        "name": "NETHERLANDS GOVT",
        "value": "78676385.90",
        "weight": "0.00492259",
        "shared": false
      },
      {
        "name": "French Republic Government Bonds OAT",
        "value": "77973120.19",
        "weight": "0.00487859",
        "shared": false
      },
      {
        "name": "ITALY REPUBLIC OF 3.6% 10/01/2035 REGS",
        "value": "75630384.75",
        "weight": "0.00473201",
        "shared": false
      },
      {
        "name": "SINGAPORE REPUBLIC OF 3% 04/01/2029",
        "value": "75122273.38",
        "weight": "0.00470022",
        "shared": false
      },
      {
        "name": "CANADIAN GOVERNMENT /CAD/ REGD 3.50000000",
        "value": "74875863.17",
        "weight": "0.00468480",
        "shared": false
      },
      {
        "name": "NEW ZEALAND GVT",
        "value": "73559345.58",
        "weight": "0.00460243",
        "shared": true
      },
      {
        "name": "French Republic Government Bonds OAT",
        "value": "71384965.50",
        "weight": "0.00446638",
        "shared": false
      },
      {
        "name": "Service Public Federal Chancellerie Du Premier Ministre",
        "value": "70252468.19",
        "weight": "0.00439552",
        "shared": true
      },
      {
        "name": "IRISH GOVT",
        "value": "69132986.41",
        "weight": "0.00432548",
        "shared": false
      },
      {
        "name": "JAPAN GOVT 10-YR",
        "value": "69087446.40",
        "weight": "0.00432263",
        "shared": false
      },
      {
        "name": "Republic of Austria Government Bonds",
        "value": "68574254.31",
        "weight": "0.00429052",
        "shared": false
      },
      {
        "name": "PORTUGUESE OT'S",
        "value": "67914917.03",
        "weight": "0.00424927",
        "shared": false
      },
      {
        "name": "SPANISH GOV'T",
        "value": "67239816.83",
        "weight": "0.00420703",
        "shared": false
      },
      {
        "name": "Republic of Austria Government Bonds",
        "value": "66415056.68",
        "weight": "0.00415543",
        "shared": false
      },
      {
        "name": "Republic of Ireland",
        "value": "66122104.56",
        "weight": "0.00413710",
        "shared": false
      },
      {
        "name": "GERMANY FEDERAL REPUBLIC OF 2.2% 10/10/2030 REGS",
        "value": "66044611.13",
        "weight": "0.00413225",
        "shared": false
      },
      {
        "name": "NETHERLANDS GOVT",
        "value": "65744932.97",
        "weight": "0.00411350",
        "shared": false
      },
      {
        "name": "Kingdom of Belgium Government Bonds",
        "value": "65604940.97",
        "weight": "0.00410474",
        "shared": false
      },
      {
        "name": "GERMANY FEDERAL REPUBLIC OF 2% 12/16/2027 REGS",
        "value": "65592606.79",
        "weight": "0.00410397",
        "shared": false
      },
      {
        "name": "Commonwealth of Australia",
        "value": "64363864.56",
        "weight": "0.00402709",
        "shared": false
      },
      {
        "name": "FINNISH GOV'T",
        "value": "64260438.72",
        "weight": "0.00402062",
        "shared": false
      },
      {
        "name": "French Republic Government Bonds OAT",
        "value": "63631116.78",
        "weight": "0.00398124",
        "shared": false
      },
      {
        "name": "UNITED KINGDOM GILT GBP REG S 4.375% 03-07-30",
        "value": "63439082.42",
        "weight": "0.00396923",
        "shared": false
      }
    ],
    "b_top": [
      {
        "name": "US ULTRA BOND CBT Sep25",
        "value": "20104508.79",
        "weight": "0.05052818",
        "shared": false
      },
      {
        "name": "JAPAN GOVT 30-YR",
        "value": "14766955.81",
        "weight": "0.03711344",
        "shared": true
      },
      {
        "name": "FRTR 3 1/2 11/25/33",
        "value": "13824071.90",
        "weight": "0.03474371",
        "shared": false
      },
      {
        "name": "EURO-SCHATZ FUT   JUN26 FINANCIAL COMMODITY FUTURE.",
        "value": "11819045.97",
        "weight": "0.02970453",
        "shared": false
      },
      {
        "name": "BUNDESREPUB. DEUTSCHLAND 2.600000% 05/15/2041",
        "value": "11803837.31",
        "weight": "0.02966630",
        "shared": false
      },
      {
        "name": "UNITED KINGDOM GILT GBP REG S 4.75% 10-22-35",
        "value": "11713762.65",
        "weight": "0.02943992",
        "shared": true
      },
      {
        "name": "SPANISH GOV'T",
        "value": "10250972.21",
        "weight": "0.02576352",
        "shared": true
      },
      {
        "name": "EURO-BOBL FUTURE  JUN26 FINANCIAL COMMODITY FUTURE.",
        "value": "9841940.32",
        "weight": "0.02473551",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "8909109.38",
        "weight": "0.02239105",
        "shared": false
      },
      {
        "name": "JAPAN (2 YEAR ISSUE) 0.800000% 03/01/2027",
        "value": "6896762.84",
        "weight": "0.01733347",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "6747136.38",
        "weight": "0.01695742",
        "shared": false
      },
      {
        "name": "PROVINCE OF BRITISH COLUMBIA CANADA",
        "value": "6199847.01",
        "weight": "0.01558193",
        "shared": false
      },
      {
        "name": "ITALY BUONI POLIENNALI DEL TESORO",
        "value": "6145903.91",
        "weight": "0.01544635",
        "shared": false
      },
      {
        "name": "CHINA GOVERNMENT BOND 2.390000% 03/15/2029",
        "value": "5954749.60",
        "weight": "0.01496593",
        "shared": false
      },
      {
        "name": "Ten-Year Government of Canada Bond Futures",
        "value": "5761649.53",
        "weight": "0.01448062",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "5109614.08",
        "weight": "0.01284187",
        "shared": false
      },
      {
        "name": "JAPAN GOVT 10-YR",
        "value": "4681375.32",
        "weight": "0.01176559",
        "shared": true
      },
      {
        "name": "FNCL 5.5 4/26",
        "value": "4018423.64",
        "weight": "0.01009941",
        "shared": false
      },
      {
        "name": "USD P/ILS C EXPIRATION: 02/10/2026",
        "value": "3922414.55",
        "weight": "0.00985811",
        "shared": false
      },
      {
        "name": "AGRICULTURAL BANK OF CHINA LTD/HONG KONG MTN 2.800000% 07/31/2027",
        "value": "3882897.14",
        "weight": "0.00975879",
        "shared": false
      },
      {
        "name": "Sweden Inflation Linked Bond",
        "value": "3701421.35",
        "weight": "0.00930269",
        "shared": false
      },
      {
        "name": "Titulos de Tesoreria",
        "value": "3463603.44",
        "weight": "0.00870499",
        "shared": false
      },
      {
        "name": "EUROPEAN UNION MTN 3.375000% 12/12/2035",
        "value": "3387131.51",
        "weight": "0.00851280",
        "shared": false
      },
      {
        "name": "European Union",
        "value": "3378085.03",
        "weight": "0.00849006",
        "shared": false
      },
      {
        "name": "NETHERLANDS GOVERNMENT OF 2.5% 01/15/2033 144A REGS",
        "value": "3111517.74",
        "weight": "0.00782010",
        "shared": true
      },
      {
        "name": "JAPAN GOVT 20-YR",
        "value": "3094425.11",
        "weight": "0.00777714",
        "shared": false
      },
      {
        "name": "GERMANY FEDERAL REPUBLIC OF 0% 08/15/2030 REGS",
        "value": "3010130.25",
        "weight": "0.00756529",
        "shared": true
      },
      {
        "name": "UNITED KINGDOM GILT GBP REG S 1.125% 01-31-39",
        "value": "3009995.78",
        "weight": "0.00756495",
        "shared": false
      },
      {
        "name": "TITULOS DE TESORERIA 13.250000% 02/09/2033",
        "value": "2988793.11",
        "weight": "0.00751166",
        "shared": false
      },
      {
        "name": "Republic of Poland Government International Bond",
        "value": "2788980.54",
        "weight": "0.00700948",
        "shared": false
      },
      {
        "name": "JAPAN GOVT 10-YR",
        "value": "2647134.46",
        "weight": "0.00665298",
        "shared": true
      },
      {
        "name": "Canadian Government Bond",
        "value": "2561050.07",
        "weight": "0.00643663",
        "shared": true
      },
      {
        "name": "Commonwealth of Australia",
        "value": "2557041.79",
        "weight": "0.00642655",
        "shared": true
      },
      {
        "name": "SWITZERLAND CONFEDERATION 3.5% 04/08/2033 REGS",
        "value": "2535991.50",
        "weight": "0.00637365",
        "shared": true
      },
      {
        "name": "RIKISBREF 6.500000% 02/15/2038",
        "value": "2489300.33",
        "weight": "0.00625630",
        "shared": false
      },
      {
        "name": "JAPAN GOVT 20-YR",
        "value": "2395395.15",
        "weight": "0.00602029",
        "shared": false
      },
      {
        "name": "GERMANY FEDERAL REPUBLIC OF 2.2% 02/15/2034 REGS",
        "value": "2395303.00",
        "weight": "0.00602006",
        "shared": true
      },
      {
        "name": "Republic of Indonesia, The Government of, The",
        "value": "2286412.63",
        "weight": "0.00574639",
        "shared": false
      },
      {
        "name": "CHINA PEOPLES REPUBLIC OF 3.81% 09/14/2050",
        "value": "2269485.74",
        "weight": "0.00570384",
        "shared": false
      },
      {
        "name": "NEW ZEALAND GVT",
        "value": "2221794.91",
        "weight": "0.00558398",
        "shared": true
      },
      {
        "name": "ASIAN DEVELOPMENT BANK MTN 2.350000% 06/21/2027",
        "value": "2105765.01",
        "weight": "0.00529237",
        "shared": false
      },
      {
        "name": "CHINA GOVT BOND",
        "value": "2050946.63",
        "weight": "0.00515460",
        "shared": false
      },
      {
        "name": "US LONG BOND(CBT) DEC25 DUMMY FINANCIAL COMMODITY FUTURE.",
        "value": "2050443.92",
        "weight": "0.00515333",
        "shared": false
      },
      {
        "name": "MEXICO UNITED MEXICAN STATES 10% 11/20/2036",
        "value": "2049406.73",
        "weight": "0.00515072",
        "shared": false
      },
      {
        "name": "UNITED MEXICAN STATES 4.000000% 03/15/2115",
        "value": "1898557.83",
        "weight": "0.00477160",
        "shared": false
      },
      {
        "name": "JAPAN GOVT #36 2% 3/20/42",
        "value": "1857238.92",
        "weight": "0.00466775",
        "shared": false
      },
      {
        "name": "Eagle Funding LuxCo S.a.r.l.",
        "value": "1809450.00",
        "weight": "0.00454765",
        "shared": false
      },
      {
        "name": "Republic of Chile",
        "value": "1772225.83",
        "weight": "0.00445409",
        "shared": false
      },
      {
        "name": "UTD KINGDOM GILT GBP REG S 1.25% 07-31-51",
        "value": "1741849.48",
        "weight": "0.00437775",
        "shared": true
      },
      {
        "name": "International Bank for Reconstruction & Development",
        "value": "1717286.19",
        "weight": "0.00431601",
        "shared": false
      }
    ]
  },
  "error": null,
  "sources": [
    {
      "label": "N-PORT (fund A)",
      "accession_no": "0000035402-26-003399",
      "as_of": "2026-03-31",
      "edgar_url": "https://www.sec.gov/Archives/edgar/data/215829/000003540226003399/0000035402-26-003399-index.htm"
    },
    {
      "label": "N-PORT (fund B)",
      "accession_no": "0002048251-26-004546",
      "as_of": "2026-03-31",
      "edgar_url": "https://www.sec.gov/Archives/edgar/data/835597/000204825126004546/0002048251-26-004546-index.htm"
    }
  ]
}