{
  "page": "compare",
  "query": {
    "a": "FEPIX",
    "b": "FSIGX"
  },
  "retrieved_at": "2026-07-07T17:01:26+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 Total Bond Fund",
    "ticker": "FEPIX",
    "slug": "FEPIX",
    "series_id": "S000007066",
    "html_url": "https://fundwatcher.app/funds/FEPIX/"
  },
  "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": "0.5707041127909645161619153786",
    "coverage_b_by_a": "0.5707041127909645161619153784",
    "shared_count": 3352,
    "as_of": {
      "a": "2026-02-28",
      "b": "2026-02-28"
    },
    "a_top": [
      {
        "name": "Fidelity Cash Central Fund",
        "value": "1833763080.36",
        "weight": "0.03835233",
        "shared": true
      },
      {
        "name": "US TREASURY N/B",
        "value": "1169821642.76",
        "weight": "0.02446629",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "915390437.50",
        "weight": "0.01914498",
        "shared": true
      },
      {
        "name": "US TREASURY N/B",
        "value": "811685740.11",
        "weight": "0.01697604",
        "shared": true
      },
      {
        "name": "US TREASURY N/B",
        "value": "738771949.34",
        "weight": "0.01545108",
        "shared": true
      },
      {
        "name": "US TREASURY N/B",
        "value": "716190443.18",
        "weight": "0.01497880",
        "shared": true
      },
      {
        "name": "US TREASURY N/B",
        "value": "612609372.00",
        "weight": "0.01281245",
        "shared": false
      },
      {
        "name": "GNII II 5.5% 03/01/2056 #TBA",
        "value": "605674466.30",
        "weight": "0.01266741",
        "shared": true
      },
      {
        "name": "US TREASURY N/B",
        "value": "597890170.39",
        "weight": "0.01250460",
        "shared": true
      },
      {
        "name": "US TREASURY N/B",
        "value": "540126562.50",
        "weight": "0.01129650",
        "shared": true
      },
      {
        "name": "US TREASURY N/B",
        "value": "536093827.04",
        "weight": "0.01121216",
        "shared": true
      },
      {
        "name": "US TREASURY N/B",
        "value": "520296833.10",
        "weight": "0.01088177",
        "shared": true
      },
      {
        "name": "US TREASURY N/B",
        "value": "501347655.00",
        "weight": "0.01048546",
        "shared": false
      },
      {
        "name": "FNCL 6 3/24",
        "value": "487971208.10",
        "weight": "0.01020570",
        "shared": true
      },
      {
        "name": "US TREASURY N/B",
        "value": "471961875.00",
        "weight": "0.00987087",
        "shared": true
      },
      {
        "name": "US TREASURY N/B",
        "value": "428093936.14",
        "weight": "0.00895339",
        "shared": true
      },
      {
        "name": "G2SF 5.5 4/25",
        "value": "416693265.69",
        "weight": "0.00871495",
        "shared": true
      },
      {
        "name": "US TREASURY N/B",
        "value": "416603729.46",
        "weight": "0.00871308",
        "shared": true
      },
      {
        "name": "US TREASURY N/B",
        "value": "406365737.28",
        "weight": "0.00849896",
        "shared": true
      },
      {
        "name": "US TREASURY N/B",
        "value": "394512703.13",
        "weight": "0.00825106",
        "shared": true
      },
      {
        "name": "Government National Mortgage Association, TBA",
        "value": "388320623.24",
        "weight": "0.00812155",
        "shared": true
      },
      {
        "name": "US TREASURY N/B",
        "value": "387999429.33",
        "weight": "0.00811483",
        "shared": true
      },
      {
        "name": "US TREASURY N/B",
        "value": "384658596.63",
        "weight": "0.00804496",
        "shared": true
      },
      {
        "name": "US TREASURY N/B",
        "value": "374288132.87",
        "weight": "0.00782807",
        "shared": true
      },
      {
        "name": "US TREASURY N/B",
        "value": "372880678.50",
        "weight": "0.00779863",
        "shared": true
      },
      {
        "name": "US TREASURY N/B",
        "value": "361580079.00",
        "weight": "0.00756228",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "352524833.56",
        "weight": "0.00737290",
        "shared": true
      },
      {
        "name": "US TREASURY N/B",
        "value": "338252146.76",
        "weight": "0.00707439",
        "shared": true
      },
      {
        "name": "GNMA TBA",
        "value": "319118514.83",
        "weight": "0.00667422",
        "shared": true
      },
      {
        "name": "FNCL 5.5 3/25",
        "value": "318138968.78",
        "weight": "0.00665373",
        "shared": true
      },
      {
        "name": "US TREASURY N/B",
        "value": "310573717.90",
        "weight": "0.00649551",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "308699573.28",
        "weight": "0.00645631",
        "shared": true
      },
      {
        "name": "US TREASURY N/B",
        "value": "305477734.38",
        "weight": "0.00638893",
        "shared": true
      },
      {
        "name": "US TREASURY N/B",
        "value": "288173593.75",
        "weight": "0.00602702",
        "shared": true
      },
      {
        "name": "US TREASURY N/B",
        "value": "286028915.47",
        "weight": "0.00598217",
        "shared": true
      },
      {
        "name": "US TREASURY N/B",
        "value": "283365606.56",
        "weight": "0.00592646",
        "shared": true
      },
      {
        "name": "Fannie Mae or Freddie Mac",
        "value": "268950614.85",
        "weight": "0.00562498",
        "shared": true
      },
      {
        "name": "US TREASURY N/B",
        "value": "255673087.21",
        "weight": "0.00534729",
        "shared": true
      },
      {
        "name": "US TREASURY N/B",
        "value": "251661561.71",
        "weight": "0.00526339",
        "shared": true
      },
      {
        "name": "US TREASURY N/B",
        "value": "228348632.25",
        "weight": "0.00477581",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "223243617.86",
        "weight": "0.00466904",
        "shared": true
      },
      {
        "name": "Uniform Mortgage-Backed Security, TBA",
        "value": "221078406.50",
        "weight": "0.00462376",
        "shared": true
      },
      {
        "name": "BANK OF AMER CRP",
        "value": "208341074.46",
        "weight": "0.00435736",
        "shared": true
      },
      {
        "name": "US TREASURY N/B",
        "value": "187958515.63",
        "weight": "0.00393107",
        "shared": true
      },
      {
        "name": "US TREASURY N/B",
        "value": "183136133.26",
        "weight": "0.00383021",
        "shared": true
      },
      {
        "name": "US TREASURY N/B",
        "value": "176661844.63",
        "weight": "0.00369480",
        "shared": false
      },
      {
        "name": "FNCI 5 4/21",
        "value": "174081590.65",
        "weight": "0.00364084",
        "shared": true
      },
      {
        "name": "US TREASURY N/B",
        "value": "172003859.38",
        "weight": "0.00359738",
        "shared": true
      },
      {
        "name": "US TREASURY N/B",
        "value": "167742717.07",
        "weight": "0.00350826",
        "shared": true
      },
      {
        "name": "G2SF 6 4/25",
        "value": "165784081.98",
        "weight": "0.00346730",
        "shared": true
      }
    ],
    "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": true
      },
      {
        "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": true
      },
      {
        "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": false
      },
      {
        "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": true
      },
      {
        "name": "US TREASURY N/B",
        "value": "527989800.00",
        "weight": "0.01218089",
        "shared": true
      },
      {
        "name": "US TREASURY N/B",
        "value": "510312500.00",
        "weight": "0.01177307",
        "shared": false
      },
      {
        "name": "GNII II 5.5% 03/01/2056 #TBA",
        "value": "496916916.54",
        "weight": "0.01146403",
        "shared": true
      },
      {
        "name": "US TREASURY N/B",
        "value": "492318748.80",
        "weight": "0.01135795",
        "shared": true
      },
      {
        "name": "US TREASURY N/B",
        "value": "486318748.80",
        "weight": "0.01121953",
        "shared": true
      },
      {
        "name": "US TREASURY N/B",
        "value": "479023594.92",
        "weight": "0.01105122",
        "shared": true
      },
      {
        "name": "US TREASURY N/B",
        "value": "471392577.00",
        "weight": "0.01087517",
        "shared": true
      },
      {
        "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": true
      },
      {
        "name": "US TREASURY N/B",
        "value": "420794418.53",
        "weight": "0.00970786",
        "shared": true
      },
      {
        "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": false
      },
      {
        "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": true
      },
      {
        "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": true
      },
      {
        "name": "US TREASURY N/B",
        "value": "315315000.00",
        "weight": "0.00727442",
        "shared": true
      },
      {
        "name": "US TREASURY N/B",
        "value": "290702483.65",
        "weight": "0.00670660",
        "shared": true
      },
      {
        "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": true
      },
      {
        "name": "US TREASURY N/B",
        "value": "282750781.94",
        "weight": "0.00652315",
        "shared": true
      },
      {
        "name": "Fannie Mae or Freddie Mac",
        "value": "264737554.36",
        "weight": "0.00610758",
        "shared": true
      },
      {
        "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": true
      },
      {
        "name": "US TREASURY N/B",
        "value": "229779373.82",
        "weight": "0.00530108",
        "shared": true
      },
      {
        "name": "US TREASURY N/B",
        "value": "223353199.06",
        "weight": "0.00515283",
        "shared": true
      },
      {
        "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": true
      },
      {
        "name": "US TREASURY N/B",
        "value": "216066094.28",
        "weight": "0.00498471",
        "shared": true
      },
      {
        "name": "Uniform Mortgage-Backed Security, TBA",
        "value": "210871283.96",
        "weight": "0.00486487",
        "shared": true
      },
      {
        "name": "US TREASURY N/B",
        "value": "204784452.12",
        "weight": "0.00472444",
        "shared": true
      },
      {
        "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": true
      },
      {
        "name": "GNMA TBA",
        "value": "187532419.86",
        "weight": "0.00432643",
        "shared": true
      }
    ]
  },
  "error": null,
  "sources": [
    {
      "label": "N-PORT (fund A)",
      "accession_no": "0000035402-26-002664",
      "as_of": "2026-02-28",
      "edgar_url": "https://www.sec.gov/Archives/edgar/data/751199/000003540226002664/0000035402-26-002664-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"
    }
  ]
}