{
  "page": "compare",
  "query": {
    "a": "FSBD",
    "b": "FSMTX"
  },
  "retrieved_at": "2026-07-07T17:09:45+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 Sustainable Core Plus Bond ETF",
    "ticker": "FSBD",
    "slug": "FSBD",
    "series_id": "S000075900",
    "html_url": "https://fundwatcher.app/funds/FSBD/"
  },
  "fund_b": {
    "name": "Fidelity SAI Total Bond Fund",
    "ticker": "FSMTX",
    "slug": "FSMTX",
    "series_id": "S000062237",
    "html_url": "https://fundwatcher.app/funds/FSMTX/"
  },
  "overlap": {
    "coverage_a_by_b": "0.1433148976363765901997707521",
    "coverage_b_by_a": "0.1433148976363765901997707520",
    "shared_count": 293,
    "as_of": {
      "a": "2025-08-31",
      "b": "2026-02-28"
    },
    "a_top": [
      {
        "name": "Fidelity Cash Central Fund",
        "value": "906679.08",
        "weight": "0.06863255",
        "shared": true
      },
      {
        "name": "US TREASURY N/B",
        "value": "699394.92",
        "weight": "0.05294183",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "654275.39",
        "weight": "0.04952644",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "359428.71",
        "weight": "0.02720754",
        "shared": true
      },
      {
        "name": "Uniform Mortgage-Backed Security, TBA",
        "value": "337443.37",
        "weight": "0.02554332",
        "shared": false
      },
      {
        "name": "Government National Mortgage Association, TBA",
        "value": "280487.05",
        "weight": "0.02123192",
        "shared": false
      },
      {
        "name": "SYMPHONY CLO XXVI LTD / SYMPHONY CLO XXVI LLC AR TSFR3M+134.161 04/20/2033 144A",
        "value": "241605.14",
        "weight": "0.01828869",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "239234.39",
        "weight": "0.01810924",
        "shared": true
      },
      {
        "name": "FNCL 2 10/25",
        "value": "218388.69",
        "weight": "0.01653129",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "199562.50",
        "weight": "0.01510621",
        "shared": true
      },
      {
        "name": "US TREASURY N/B",
        "value": "189590.63",
        "weight": "0.01435137",
        "shared": true
      },
      {
        "name": "Uniform Mortgage-Backed Security, TBA",
        "value": "186793.94",
        "weight": "0.01413967",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "168952.03",
        "weight": "0.01278910",
        "shared": false
      },
      {
        "name": "ALLEGRO CLO XV LTD / ALLEGRO CLO VX LLC A1R TSFR3M+118 04/20/2038 144A",
        "value": "150020.25",
        "weight": "0.01135603",
        "shared": true
      },
      {
        "name": "NATWEST GROUP PLC 2.057%/VAR 11/09/2028 REGS",
        "value": "128054.98",
        "weight": "0.00969333",
        "shared": false
      },
      {
        "name": "G2SF 6 10/25",
        "value": "127376.91",
        "weight": "0.00964200",
        "shared": false
      },
      {
        "name": "FNCL 2.5 10/25",
        "value": "124546.88",
        "weight": "0.00942778",
        "shared": false
      },
      {
        "name": "BXHPP 2021-FILM A",
        "value": "120817.01",
        "weight": "0.00914544",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "118098.75",
        "weight": "0.00893968",
        "shared": true
      },
      {
        "name": "US TREASURY N/B",
        "value": "117160.74",
        "weight": "0.00886867",
        "shared": false
      },
      {
        "name": "AIB GROUP PLC EUR REG S SUB (B) 2.875% 05-30-31/26",
        "value": "117015.66",
        "weight": "0.00885769",
        "shared": false
      },
      {
        "name": "TELEFONICA EUROPE BV 2.502%/VAR PERP REGS",
        "value": "115241.36",
        "weight": "0.00872338",
        "shared": false
      },
      {
        "name": "BNP Paribas SA",
        "value": "107568.37",
        "weight": "0.00814256",
        "shared": false
      },
      {
        "name": "NISOURCE INC",
        "value": "103920.65",
        "weight": "0.00786644",
        "shared": false
      },
      {
        "name": "VONOVIA SE 0.625% 03/24/2031 REGS",
        "value": "101860.85",
        "weight": "0.00771052",
        "shared": false
      },
      {
        "name": "GENERAL MILLS IN",
        "value": "101083.98",
        "weight": "0.00765172",
        "shared": false
      },
      {
        "name": "CEDF 2016-6A ARR TSFR3M+131.161 04/20/2034 144A",
        "value": "100046.40",
        "weight": "0.00757317",
        "shared": false
      },
      {
        "name": "EQUITABLE FINANC",
        "value": "97572.14",
        "weight": "0.00738588",
        "shared": false
      },
      {
        "name": "MRSH 2.375 12/15/31",
        "value": "97451.32",
        "weight": "0.00737674",
        "shared": false
      },
      {
        "name": "VERIZON COMM INC",
        "value": "96732.74",
        "weight": "0.00732234",
        "shared": false
      },
      {
        "name": "AMGEN INC",
        "value": "96236.42",
        "weight": "0.00728477",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "90448.55",
        "weight": "0.00684665",
        "shared": true
      },
      {
        "name": "Uniform Mortgage-Backed Security, TBA",
        "value": "90355.47",
        "weight": "0.00683960",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "80743.44",
        "weight": "0.00611201",
        "shared": true
      },
      {
        "name": "US TREASURY N/B",
        "value": "79938.13",
        "weight": "0.00605105",
        "shared": false
      },
      {
        "name": "G2 MA7534",
        "value": "76818.87",
        "weight": "0.00581493",
        "shared": false
      },
      {
        "name": "FN MA4562",
        "value": "75875.59",
        "weight": "0.00574353",
        "shared": false
      },
      {
        "name": "FR SD8515",
        "value": "73580.92",
        "weight": "0.00556983",
        "shared": false
      },
      {
        "name": "NORTHERN ST PR-M",
        "value": "72699.12",
        "weight": "0.00550308",
        "shared": false
      },
      {
        "name": "CON EDISON CO",
        "value": "72695.57",
        "weight": "0.00550281",
        "shared": false
      },
      {
        "name": "DOMINION ENERGY",
        "value": "70492.57",
        "weight": "0.00533605",
        "shared": false
      },
      {
        "name": "GOLDMAN SACHS GP",
        "value": "69279.44",
        "weight": "0.00524422",
        "shared": false
      },
      {
        "name": "AES CORP/THE",
        "value": "69107.41",
        "weight": "0.00523120",
        "shared": false
      },
      {
        "name": "HUMANA INC",
        "value": "68606.66",
        "weight": "0.00519329",
        "shared": false
      },
      {
        "name": "CARRIER GLOBAL",
        "value": "68489.27",
        "weight": "0.00518441",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "66725.00",
        "weight": "0.00505086",
        "shared": false
      },
      {
        "name": "WISCONSIN ELECTR",
        "value": "66286.54",
        "weight": "0.00501767",
        "shared": false
      },
      {
        "name": "ASTRAZENECA FIN",
        "value": "66210.59",
        "weight": "0.00501192",
        "shared": false
      },
      {
        "name": "Uniform Mortgage-Backed Securities",
        "value": "65727.17",
        "weight": "0.00497532",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "65223.44",
        "weight": "0.00493719",
        "shared": true
      }
    ],
    "b_top": [
      {
        "name": "Fidelity Cash Central Fund",
        "value": "740618333.70",
        "weight": "0.02962292",
        "shared": true
      },
      {
        "name": "US TREASURY N/B",
        "value": "579716794.00",
        "weight": "0.02318726",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "558705467.32",
        "weight": "0.02234685",
        "shared": true
      },
      {
        "name": "US TREASURY N/B",
        "value": "460560469.60",
        "weight": "0.01842129",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "429101944.46",
        "weight": "0.01716303",
        "shared": true
      },
      {
        "name": "US TREASURY N/B",
        "value": "410871281.25",
        "weight": "0.01643385",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "384724138.66",
        "weight": "0.01538803",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "357640939.28",
        "weight": "0.01430476",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "345589509.85",
        "weight": "0.01382274",
        "shared": true
      },
      {
        "name": "US TREASURY N/B",
        "value": "287047068.36",
        "weight": "0.01148118",
        "shared": true
      },
      {
        "name": "GNII II 5.5% 03/01/2056 #TBA",
        "value": "285757613.29",
        "weight": "0.01142961",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "280851569.61",
        "weight": "0.01123338",
        "shared": false
      },
      {
        "name": "FNCL 6 3/24",
        "value": "271437029.68",
        "weight": "0.01085682",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "259560547.50",
        "weight": "0.01038179",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "258053223.30",
        "weight": "0.01032150",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "250458312.92",
        "weight": "0.01001772",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "243170375.00",
        "weight": "0.00972622",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "236728799.35",
        "weight": "0.00946857",
        "shared": false
      },
      {
        "name": "G2SF 5.5 4/25",
        "value": "224624306.40",
        "weight": "0.00898442",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "221321123.26",
        "weight": "0.00885230",
        "shared": true
      },
      {
        "name": "US TREASURY N/B",
        "value": "211220858.34",
        "weight": "0.00844832",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "206813468.75",
        "weight": "0.00827203",
        "shared": true
      },
      {
        "name": "Government National Mortgage Association, TBA",
        "value": "206097650.80",
        "weight": "0.00824340",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "200891732.58",
        "weight": "0.00803518",
        "shared": true
      },
      {
        "name": "US TREASURY N/B",
        "value": "196006514.07",
        "weight": "0.00783978",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "191429756.81",
        "weight": "0.00765672",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "189783085.47",
        "weight": "0.00759086",
        "shared": false
      },
      {
        "name": "GNMA TBA",
        "value": "186621862.72",
        "weight": "0.00746442",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "177983983.90",
        "weight": "0.00711892",
        "shared": true
      },
      {
        "name": "US TREASURY N/B",
        "value": "164795546.06",
        "weight": "0.00659142",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "162545751.88",
        "weight": "0.00650143",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "158323033.48",
        "weight": "0.00633253",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "158216952.74",
        "weight": "0.00632829",
        "shared": true
      },
      {
        "name": "US TREASURY N/B",
        "value": "157833593.75",
        "weight": "0.00631296",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "149625683.96",
        "weight": "0.00598466",
        "shared": false
      },
      {
        "name": "Fannie Mae or Freddie Mac",
        "value": "149208329.22",
        "weight": "0.00596797",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "148014004.69",
        "weight": "0.00592020",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "135416902.03",
        "weight": "0.00541635",
        "shared": false
      },
      {
        "name": "BANK OF AMER CRP",
        "value": "125062907.79",
        "weight": "0.00500221",
        "shared": true
      },
      {
        "name": "US TREASURY N/B",
        "value": "110705161.80",
        "weight": "0.00442794",
        "shared": false
      },
      {
        "name": "Uniform Mortgage-Backed Security, TBA",
        "value": "104928391.47",
        "weight": "0.00419688",
        "shared": false
      },
      {
        "name": "FNCL 6 4/26",
        "value": "104895807.10",
        "weight": "0.00419558",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "104663672.40",
        "weight": "0.00418629",
        "shared": true
      },
      {
        "name": "US TREASURY N/B",
        "value": "101882812.00",
        "weight": "0.00407506",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "97490281.88",
        "weight": "0.00389937",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "96037740.54",
        "weight": "0.00384127",
        "shared": false
      },
      {
        "name": "FNCI 5 4/21",
        "value": "90249497.24",
        "weight": "0.00360976",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "90233742.64",
        "weight": "0.00360913",
        "shared": false
      },
      {
        "name": "G2SF 2 4/26",
        "value": "89755235.25",
        "weight": "0.00358999",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "88366484.38",
        "weight": "0.00353444",
        "shared": false
      }
    ]
  },
  "error": null,
  "sources": [
    {
      "label": "N-PORT (fund A)",
      "accession_no": "0000035402-25-001434",
      "as_of": "2025-08-31",
      "edgar_url": "https://www.sec.gov/Archives/edgar/data/1562565/000003540225001434/0000035402-25-001434-index.htm"
    },
    {
      "label": "N-PORT (fund B)",
      "accession_no": "0000035402-26-002638",
      "as_of": "2026-02-28",
      "edgar_url": "https://www.sec.gov/Archives/edgar/data/35315/000003540226002638/0000035402-26-002638-index.htm"
    }
  ]
}