{
  "page": "compare",
  "query": {
    "a": "FSTGX",
    "b": "FSIGX"
  },
  "retrieved_at": "2026-07-07T14:45:19+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 Intermediate Government Income Fund",
    "ticker": "FSTGX",
    "slug": "FSTGX",
    "series_id": "S000007070",
    "html_url": "https://fundwatcher.app/funds/FSTGX/"
  },
  "fund_b": {
    "name": "Fidelity Series Investment Grade Bond Fund",
    "ticker": "FSIGX",
    "slug": "FSIGX",
    "series_id": "S000023604",
    "html_url": "https://fundwatcher.app/funds/FSIGX/"
  },
  "overlap": {
    "coverage_a_by_b": "0.1623953820781842074848332798",
    "coverage_b_by_a": "0.1623953820781842074848332798",
    "shared_count": 90,
    "as_of": {
      "a": "2026-02-28",
      "b": "2026-02-28"
    },
    "a_top": [
      {
        "name": "US TREASURY N/B",
        "value": "50718455.59",
        "weight": "0.09514279",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "23714884.38",
        "weight": "0.04448677",
        "shared": true
      },
      {
        "name": "US TREASURY N/B",
        "value": "20188400.68",
        "weight": "0.03787144",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "20062343.80",
        "weight": "0.03763497",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "14580500.43",
        "weight": "0.02735157",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "13133270.31",
        "weight": "0.02463671",
        "shared": true
      },
      {
        "name": "US TREASURY N/B",
        "value": "13047309.00",
        "weight": "0.02447546",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "12961815.16",
        "weight": "0.02431508",
        "shared": true
      },
      {
        "name": "Government National Mortgage Association, TBA",
        "value": "12779074.64",
        "weight": "0.02397228",
        "shared": true
      },
      {
        "name": "FHMS K061 A2",
        "value": "12747755.74",
        "weight": "0.02391352",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "12263087.50",
        "weight": "0.02300434",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "11935710.97",
        "weight": "0.02239021",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "10871033.23",
        "weight": "0.02039298",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "10723406.25",
        "weight": "0.02011605",
        "shared": true
      },
      {
        "name": "US TREASURY N/B",
        "value": "9729554.74",
        "weight": "0.01825168",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "8739198.39",
        "weight": "0.01639387",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "8452491.04",
        "weight": "0.01585603",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "8239504.69",
        "weight": "0.01545649",
        "shared": true
      },
      {
        "name": "FHMS K737 A2",
        "value": "8133318.42",
        "weight": "0.01525730",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "8030000.00",
        "weight": "0.01506348",
        "shared": false
      },
      {
        "name": "FEDERAL FARM CREDIT BANKS VFAC SOFR+16.5 01/19/2029",
        "value": "7989867.85",
        "weight": "0.01498820",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "7556199.24",
        "weight": "0.01417468",
        "shared": true
      },
      {
        "name": "FEDERAL FARM CREDIT BANKS VFAC SOFR+12 06/12/2028",
        "value": "7429926.00",
        "weight": "0.01393780",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "7304139.67",
        "weight": "0.01370184",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "6511974.59",
        "weight": "0.01221582",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "6434538.25",
        "weight": "0.01207056",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "6419601.59",
        "weight": "0.01204254",
        "shared": true
      },
      {
        "name": "FNCL 6 3/24",
        "value": "5846730.54",
        "weight": "0.01096789",
        "shared": true
      },
      {
        "name": "FHMS K739 A2",
        "value": "5782058.13",
        "weight": "0.01084657",
        "shared": false
      },
      {
        "name": "Fidelity Cash Central Fund",
        "value": "5642670.40",
        "weight": "0.01058509",
        "shared": true
      },
      {
        "name": "US TREASURY N/B",
        "value": "5224781.22",
        "weight": "0.00980117",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "5082782.82",
        "weight": "0.00953480",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "4956421.84",
        "weight": "0.00929776",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "4767773.46",
        "weight": "0.00894387",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "4758330.48",
        "weight": "0.00892616",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "4686806.12",
        "weight": "0.00879198",
        "shared": true
      },
      {
        "name": "Uniform Mortgage-Backed Security, TBA",
        "value": "4416480.66",
        "weight": "0.00828488",
        "shared": true
      },
      {
        "name": "US TREASURY N/B",
        "value": "4388125.00",
        "weight": "0.00823169",
        "shared": true
      },
      {
        "name": "US TREASURY N/B",
        "value": "4105156.24",
        "weight": "0.00770087",
        "shared": false
      },
      {
        "name": "FHMS K060 A2",
        "value": "4079388.48",
        "weight": "0.00765253",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "4063021.78",
        "weight": "0.00762183",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "4038500.00",
        "weight": "0.00757583",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "3866458.99",
        "weight": "0.00725309",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "3768487.90",
        "weight": "0.00706931",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "3593514.05",
        "weight": "0.00674108",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "3533359.38",
        "weight": "0.00662823",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "3529625.09",
        "weight": "0.00662123",
        "shared": false
      },
      {
        "name": "G2SF 6 4/25",
        "value": "3466579.82",
        "weight": "0.00650296",
        "shared": true
      },
      {
        "name": "US TREASURY N/B",
        "value": "3249365.61",
        "weight": "0.00609549",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "3216501.64",
        "weight": "0.00603384",
        "shared": false
      }
    ],
    "b_top": [
      {
        "name": "Fidelity Cash Central Fund",
        "value": "1345626421.10",
        "weight": "0.03104402",
        "shared": true
      },
      {
        "name": "US TREASURY N/B",
        "value": "1294110162.60",
        "weight": "0.02985553",
        "shared": true
      },
      {
        "name": "US TREASURY N/B",
        "value": "749263265.63",
        "weight": "0.01728574",
        "shared": true
      },
      {
        "name": "US TREASURY N/B",
        "value": "744711182.74",
        "weight": "0.01718072",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "722487140.63",
        "weight": "0.01666800",
        "shared": true
      },
      {
        "name": "US TREASURY N/B",
        "value": "697116448.41",
        "weight": "0.01608269",
        "shared": true
      },
      {
        "name": "US TREASURY N/B",
        "value": "625821326.62",
        "weight": "0.01443789",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "601568750.00",
        "weight": "0.01387838",
        "shared": true
      },
      {
        "name": "US TREASURY N/B",
        "value": "590520937.50",
        "weight": "0.01362350",
        "shared": true
      },
      {
        "name": "US TREASURY N/B",
        "value": "589702228.97",
        "weight": "0.01360462",
        "shared": true
      },
      {
        "name": "US TREASURY N/B",
        "value": "572252225.17",
        "weight": "0.01320204",
        "shared": true
      },
      {
        "name": "US TREASURY N/B",
        "value": "555646644.94",
        "weight": "0.01281894",
        "shared": true
      },
      {
        "name": "Government National Mortgage Association, TBA",
        "value": "554372072.09",
        "weight": "0.01278954",
        "shared": true
      },
      {
        "name": "US TREASURY N/B",
        "value": "529760275.93",
        "weight": "0.01222174",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "527989800.00",
        "weight": "0.01218089",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "510312500.00",
        "weight": "0.01177307",
        "shared": true
      },
      {
        "name": "GNII II 5.5% 03/01/2056 #TBA",
        "value": "496916916.54",
        "weight": "0.01146403",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "492318748.80",
        "weight": "0.01135795",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "486318748.80",
        "weight": "0.01121953",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "479023594.92",
        "weight": "0.01105122",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "471392577.00",
        "weight": "0.01087517",
        "shared": false
      },
      {
        "name": "FNCL 6 3/24",
        "value": "452480527.98",
        "weight": "0.01043887",
        "shared": true
      },
      {
        "name": "US TREASURY N/B",
        "value": "431580189.65",
        "weight": "0.00995669",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "420794418.53",
        "weight": "0.00970786",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "401125000.00",
        "weight": "0.00925408",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "392350000.00",
        "weight": "0.00905164",
        "shared": true
      },
      {
        "name": "US TREASURY N/B",
        "value": "380537107.50",
        "weight": "0.00877911",
        "shared": false
      },
      {
        "name": "G2SF 5.5 4/25",
        "value": "376093940.04",
        "weight": "0.00867660",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "355364015.63",
        "weight": "0.00819836",
        "shared": true
      },
      {
        "name": "US TREASURY N/B",
        "value": "345831836.59",
        "weight": "0.00797845",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "315315000.00",
        "weight": "0.00727442",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "290702483.65",
        "weight": "0.00670660",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "289918594.44",
        "weight": "0.00668851",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "288789007.81",
        "weight": "0.00666245",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "282750781.94",
        "weight": "0.00652315",
        "shared": false
      },
      {
        "name": "Fannie Mae or Freddie Mac",
        "value": "264737554.36",
        "weight": "0.00610758",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "257396837.50",
        "weight": "0.00593823",
        "shared": true
      },
      {
        "name": "US TREASURY N/B",
        "value": "254548831.79",
        "weight": "0.00587252",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "229779373.82",
        "weight": "0.00530108",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "223353199.06",
        "weight": "0.00515283",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "221181250.00",
        "weight": "0.00510272",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "218288437.50",
        "weight": "0.00503598",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "216066094.28",
        "weight": "0.00498471",
        "shared": false
      },
      {
        "name": "Uniform Mortgage-Backed Security, TBA",
        "value": "210871283.96",
        "weight": "0.00486487",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "204784452.12",
        "weight": "0.00472444",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "198287951.40",
        "weight": "0.00457457",
        "shared": true
      },
      {
        "name": "US TREASURY N/B",
        "value": "197546562.50",
        "weight": "0.00455746",
        "shared": true
      },
      {
        "name": "G2SF 6 4/25",
        "value": "189081537.54",
        "weight": "0.00436217",
        "shared": true
      },
      {
        "name": "FNCL 5.5 3/25",
        "value": "188383790.52",
        "weight": "0.00434607",
        "shared": false
      },
      {
        "name": "GNMA TBA",
        "value": "187532419.86",
        "weight": "0.00432643",
        "shared": false
      }
    ]
  },
  "error": null,
  "sources": [
    {
      "label": "N-PORT (fund A)",
      "accession_no": "0000035402-26-002567",
      "as_of": "2026-02-28",
      "edgar_url": "https://www.sec.gov/Archives/edgar/data/751199/000003540226002567/0000035402-26-002567-index.htm"
    },
    {
      "label": "N-PORT (fund B)",
      "accession_no": "0000035402-26-002637",
      "as_of": "2026-02-28",
      "edgar_url": "https://www.sec.gov/Archives/edgar/data/35315/000003540226002637/0000035402-26-002637-index.htm"
    }
  ]
}