{
  "page": "compare",
  "query": {
    "a": "FSEC",
    "b": "FGOVX"
  },
  "retrieved_at": "2026-07-07T19:13:31+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 Investment Grade Securitized ETF",
    "ticker": "FSEC",
    "slug": "FSEC",
    "series_id": "S000071132",
    "html_url": "https://fundwatcher.app/funds/FSEC/"
  },
  "fund_b": {
    "name": "Fidelity Government Income Fund",
    "ticker": "FGOVX",
    "slug": "FGOVX",
    "series_id": "S000007069",
    "html_url": "https://fundwatcher.app/funds/FGOVX/"
  },
  "overlap": {
    "coverage_a_by_b": "0.1033156788443233120820929498",
    "coverage_b_by_a": "0.1033156788443233120820929499",
    "shared_count": 62,
    "as_of": {
      "a": "2026-02-28",
      "b": "2026-02-28"
    },
    "a_top": [
      {
        "name": "Government National Mortgage Association, TBA",
        "value": "483742815.28",
        "weight": "0.06464782",
        "shared": true
      },
      {
        "name": "GNII II 5.5% 03/01/2056 #TBA",
        "value": "399301001.68",
        "weight": "0.05336294",
        "shared": true
      },
      {
        "name": "G2SF 5.5 4/25",
        "value": "248427400.13",
        "weight": "0.03320006",
        "shared": true
      },
      {
        "name": "FNCL 6 3/24",
        "value": "218790811.26",
        "weight": "0.02923940",
        "shared": true
      },
      {
        "name": "GNMA TBA",
        "value": "217347872.34",
        "weight": "0.02904657",
        "shared": false
      },
      {
        "name": "Fannie Mae or Freddie Mac",
        "value": "203673557.06",
        "weight": "0.02721912",
        "shared": true
      },
      {
        "name": "G2SF 6 4/25",
        "value": "184748312.76",
        "weight": "0.02468993",
        "shared": true
      },
      {
        "name": "Government National Mortgage Association, TBA",
        "value": "146495985.21",
        "weight": "0.01957786",
        "shared": false
      },
      {
        "name": "FNCI 5 4/21",
        "value": "129235859.59",
        "weight": "0.01727120",
        "shared": true
      },
      {
        "name": "G2SF 2 4/26",
        "value": "114640181.31",
        "weight": "0.01532062",
        "shared": false
      },
      {
        "name": "FNCL 5.5 3/25",
        "value": "113904114.98",
        "weight": "0.01522225",
        "shared": false
      },
      {
        "name": "G2SF 5 4/26",
        "value": "92849049.26",
        "weight": "0.01240843",
        "shared": false
      },
      {
        "name": "G2SF 5 3/25",
        "value": "92821106.02",
        "weight": "0.01240470",
        "shared": false
      },
      {
        "name": "FR SD7548",
        "value": "72579012.52",
        "weight": "0.00969952",
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      },
      {
        "name": "US TREASURY N/B",
        "value": "62499851.09",
        "weight": "0.00835254",
        "shared": true
      },
      {
        "name": "G2SF 2.5 4/24",
        "value": "62214482.10",
        "weight": "0.00831440",
        "shared": false
      },
      {
        "name": "FEDERAL NAT MTG ASN GTD REM PA 21-13 BE 1.25% 02/25/2050",
        "value": "60804827.37",
        "weight": "0.00812601",
        "shared": false
      },
      {
        "name": "FNMA 30YR 5.5% 04/01/2055#CC0241",
        "value": "58594135.85",
        "weight": "0.00783057",
        "shared": false
      },
      {
        "name": "Fidelity Cash Central Fund",
        "value": "56434037.33",
        "weight": "0.00754190",
        "shared": true
      },
      {
        "name": "FHLG 30YR 2.5% 04/01/2052#SL1958",
        "value": "55349472.88",
        "weight": "0.00739695",
        "shared": false
      },
      {
        "name": "Uniform Mortgage-Backed Security, TBA",
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        "weight": "0.00676511",
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      },
      {
        "name": "G2 MA7988",
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      },
      {
        "name": "FNMA 30YR 2.5% 09/01/2050#CA6947",
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        "shared": false
      },
      {
        "name": "FNMA 30YR 2.5% 08/01/2050#CA6709",
        "value": "44071690.47",
        "weight": "0.00588978",
        "shared": false
      },
      {
        "name": "FNMA 30YR 2.5% 09/01/2051#CB1547",
        "value": "43280945.66",
        "weight": "0.00578410",
        "shared": false
      },
      {
        "name": "FHLG 15YR 1.5% 05/01/2036#RC1950",
        "value": "40919245.84",
        "weight": "0.00546848",
        "shared": false
      },
      {
        "name": "FR SD8106",
        "value": "40008328.40",
        "weight": "0.00534675",
        "shared": true
      },
      {
        "name": "US TREASURY N/B",
        "value": "35198268.27",
        "weight": "0.00470393",
        "shared": true
      },
      {
        "name": "FNMA 30YR 2.5% 12/01/2051#FM9695",
        "value": "34666333.20",
        "weight": "0.00463284",
        "shared": false
      },
      {
        "name": "G2 MA8043",
        "value": "34471577.82",
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      },
      {
        "name": "G2 MB0024",
        "value": "32671449.84",
        "weight": "0.00436624",
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      },
      {
        "name": "Ginnie Mae",
        "value": "32659280.12",
        "weight": "0.00436462",
        "shared": false
      },
      {
        "name": "G2SF 4.5 4/26",
        "value": "32611354.63",
        "weight": "0.00435821",
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      },
      {
        "name": "GNII II 6.5% 03/01/2056 #TBA",
        "value": "30840559.38",
        "weight": "0.00412156",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "29038462.50",
        "weight": "0.00388073",
        "shared": true
      },
      {
        "name": "FHLG 30YR 5% 08/01/2052#SD1482",
        "value": "28498900.47",
        "weight": "0.00380862",
        "shared": false
      },
      {
        "name": "FNCL 5 3/24",
        "value": "28126873.60",
        "weight": "0.00375890",
        "shared": true
      },
      {
        "name": "ONEMAIN FINL ISSUANCE TR 2019-2 3.14% 10/14/2036 144A",
        "value": "27506723.90",
        "weight": "0.00367602",
        "shared": false
      },
      {
        "name": "Freddie Mac Multifamily Structured Pass Through Certificates",
        "value": "27284219.95",
        "weight": "0.00364629",
        "shared": false
      },
      {
        "name": "FNMA 30YR 6% 11/01/2054#FA2958",
        "value": "26636639.72",
        "weight": "0.00355974",
        "shared": false
      },
      {
        "name": "TOYOTA LEASE OWNER TRUST 2026-A 4.09% 02/22/2028 144A",
        "value": "26008627.67",
        "weight": "0.00347582",
        "shared": false
      },
      {
        "name": "Uniform Mortgage-Backed Security, TBA",
        "value": "25610647.79",
        "weight": "0.00342263",
        "shared": false
      },
      {
        "name": "FNCL 4.5 4/26",
        "value": "25521619.13",
        "weight": "0.00341073",
        "shared": false
      },
      {
        "name": "FR RB5099",
        "value": "25358519.25",
        "weight": "0.00338894",
        "shared": false
      },
      {
        "name": "Freddie Mac Pool",
        "value": "24861139.17",
        "weight": "0.00332246",
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      },
      {
        "name": "FNMA POOL MA4202 FN 12/40 FIXED 1.5",
        "value": "24737225.38",
        "weight": "0.00330591",
        "shared": true
      },
      {
        "name": "FNMA 15YR 1.5% 04/01/2036#FM6100",
        "value": "22165178.00",
        "weight": "0.00296217",
        "shared": false
      },
      {
        "name": "UMBS",
        "value": "21941040.96",
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      },
      {
        "name": "UMBS",
        "value": "21769809.64",
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      },
      {
        "name": "US TREASURY N/B",
        "value": "21514750.00",
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      }
    ],
    "b_top": [
      {
        "name": "US TREASURY N/B",
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      },
      {
        "name": "US TREASURY N/B",
        "value": "83917649.55",
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      },
      {
        "name": "US TREASURY N/B",
        "value": "73214427.33",
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      },
      {
        "name": "US TREASURY N/B",
        "value": "56018222.01",
        "weight": "0.03362412",
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      },
      {
        "name": "US TREASURY N/B",
        "value": "46611588.51",
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      },
      {
        "name": "US TREASURY N/B",
        "value": "45665410.27",
        "weight": "0.02740999",
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      },
      {
        "name": "Fidelity Cash Central Fund",
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      },
      {
        "name": "US TREASURY N/B",
        "value": "31553200.00",
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      },
      {
        "name": "US TREASURY N/B",
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      },
      {
        "name": "US TREASURY N/B",
        "value": "29747432.35",
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        "shared": true
      },
      {
        "name": "US TREASURY N/B",
        "value": "28849762.50",
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      },
      {
        "name": "FHMS K061 A2",
        "value": "27100784.43",
        "weight": "0.01626685",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "27059307.10",
        "weight": "0.01624195",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "25027997.29",
        "weight": "0.01502269",
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      },
      {
        "name": "US TREASURY N/B",
        "value": "24717668.74",
        "weight": "0.01483642",
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      },
      {
        "name": "FHMS K056 A2",
        "value": "24033675.57",
        "weight": "0.01442586",
        "shared": false
      },
      {
        "name": "FNMA 30YR 3.5% 02/01/2052#",
        "value": "23775795.12",
        "weight": "0.01427107",
        "shared": false
      },
      {
        "name": "FEDERAL FARM CREDIT BANKS VFAC SOFR+12 06/12/2028",
        "value": "22929771.62",
        "weight": "0.01376326",
        "shared": false
      },
      {
        "name": "Government National Mortgage Association, TBA",
        "value": "22012657.51",
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      },
      {
        "name": "FHMS K059 A2",
        "value": "20822644.85",
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      },
      {
        "name": "US TREASURY N/B",
        "value": "19985311.56",
        "weight": "0.01199589",
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      },
      {
        "name": "US TREASURY N/B",
        "value": "19499492.14",
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      },
      {
        "name": "FHMS K060 A2",
        "value": "17909510.40",
        "weight": "0.01074992",
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      },
      {
        "name": "FEDERAL FARM CREDIT BANKS VFAC SOFR+16.5 01/19/2029",
        "value": "17079717.50",
        "weight": "0.01025185",
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      },
      {
        "name": "US TREASURY N/B",
        "value": "16734042.19",
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      },
      {
        "name": "GNII II 5.5% 03/01/2056 #TBA",
        "value": "16661808.56",
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      },
      {
        "name": "FHMS K058 A2",
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      },
      {
        "name": "G2SF 5.5 4/25",
        "value": "14671407.40",
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      },
      {
        "name": "Uniform Mortgage-Backed Security, TBA",
        "value": "14505108.05",
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      },
      {
        "name": "Government National Mortgage Association",
        "value": "13702966.08",
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      {
        "name": "US TREASURY N/B",
        "value": "13622085.46",
        "weight": "0.00817646",
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      },
      {
        "name": "FNCL 5 3/24",
        "value": "13259811.84",
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      },
      {
        "name": "FEDERAL HOME LOAN MORTGAGE CORP",
        "value": "12489510.62",
        "weight": "0.00749665",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "11958540.63",
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      },
      {
        "name": "FHLG 30YR 5.5% 03/01/2053#SD7559",
        "value": "11804272.60",
        "weight": "0.00708534",
        "shared": true
      },
      {
        "name": "Uniform Mortgage-Backed Security, TBA",
        "value": "11780273.75",
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      },
      {
        "name": "US TREASURY N/B",
        "value": "11285870.20",
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      },
      {
        "name": "US TREASURY N/B",
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      },
      {
        "name": "US TREASURY N/B",
        "value": "10964156.25",
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      },
      {
        "name": "FEDERAL NAT MTG ASN GTD REM PA 2% 10/25/2047",
        "value": "10719863.68",
        "weight": "0.00643444",
        "shared": true
      },
      {
        "name": "FEDERAL HOME LN MTG MLT CTF GT SOFR30A+53 06/25/2030",
        "value": "10295966.52",
        "weight": "0.00618000",
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      },
      {
        "name": "FHLG 30YR 6.5% 10/01/2053#RJ0002",
        "value": "10024617.96",
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      },
      {
        "name": "FHLG 30YR 6.5% 10/01/2053#RJ0001",
        "value": "9929081.54",
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      },
      {
        "name": "G2 MA7051",
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      },
      {
        "name": "G2 MA7135",
        "value": "9873921.98",
        "weight": "0.00592668",
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      },
      {
        "name": "FHLG 20YR 2.5% 11/01/2041#SC0210",
        "value": "9439407.72",
        "weight": "0.00566587",
        "shared": true
      },
      {
        "name": "Freddie Mac REMICS",
        "value": "9175430.99",
        "weight": "0.00550742",
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      },
      {
        "name": "FHMS K065 A2",
        "value": "8944524.00",
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      },
      {
        "name": "FNCL 6 3/24",
        "value": "8821382.92",
        "weight": "0.00529491",
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      },
      {
        "name": "G2SF 6 4/25",
        "value": "8513512.21",
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      }
    ]
  },
  "error": null,
  "sources": [
    {
      "label": "N-PORT (fund A)",
      "accession_no": "0000035402-26-002610",
      "as_of": "2026-02-28",
      "edgar_url": "https://www.sec.gov/Archives/edgar/data/1562565/000003540226002610/0000035402-26-002610-index.htm"
    },
    {
      "label": "N-PORT (fund B)",
      "accession_no": "0000035402-26-002569",
      "as_of": "2026-02-28",
      "edgar_url": "https://www.sec.gov/Archives/edgar/data/751199/000003540226002569/0000035402-26-002569-index.htm"
    }
  ]
}