{
  "page": "compare",
  "query": {
    "a": "FFEBX",
    "b": "FIABX"
  },
  "retrieved_at": "2026-07-07T19:42:10+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 Environmental Bond Fund",
    "ticker": "FFEBX",
    "slug": "FFEBX",
    "series_id": "S000072130",
    "html_url": "https://fundwatcher.app/funds/FFEBX/"
  },
  "fund_b": {
    "name": "Fidelity SAI Sustainable Core Plus Bond Fund",
    "ticker": "FIABX",
    "slug": "FIABX",
    "series_id": "S000075889",
    "html_url": "https://fundwatcher.app/funds/FIABX/"
  },
  "overlap": {
    "coverage_a_by_b": "0.2631350515045427067663178291",
    "coverage_b_by_a": "0.2631350515045427067663178292",
    "shared_count": 71,
    "as_of": {
      "a": "2026-02-28",
      "b": "2026-02-28"
    },
    "a_top": [
      {
        "name": "US TREASURY N/B",
        "value": "1715431.34",
        "weight": "0.03457699",
        "shared": true
      },
      {
        "name": "Fidelity Cash Central Fund",
        "value": "1650736.28",
        "weight": "0.03327297",
        "shared": true
      },
      {
        "name": "US TREASURY N/B",
        "value": "1592190.23",
        "weight": "0.03209289",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "1452435.55",
        "weight": "0.02927593",
        "shared": true
      },
      {
        "name": "US TREASURY N/B",
        "value": "1364860.55",
        "weight": "0.02751073",
        "shared": true
      },
      {
        "name": "US TREASURY N/B",
        "value": "1268268.75",
        "weight": "0.02556379",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "1179222.66",
        "weight": "0.02376893",
        "shared": true
      },
      {
        "name": "US TREASURY N/B",
        "value": "1171418.75",
        "weight": "0.02361163",
        "shared": true
      },
      {
        "name": "US TREASURY N/B",
        "value": "1148743.75",
        "weight": "0.02315459",
        "shared": true
      },
      {
        "name": "US TREASURY N/B",
        "value": "844124.96",
        "weight": "0.01701456",
        "shared": true
      },
      {
        "name": "US TREASURY N/B",
        "value": "816812.50",
        "weight": "0.01646403",
        "shared": false
      },
      {
        "name": "FHLG 30YR 2% 10/01/2051#RA6275",
        "value": "795259.56",
        "weight": "0.01602960",
        "shared": false
      },
      {
        "name": "FNMA POOL CB2786 FN 01/52 FIXED 3",
        "value": "743373.67",
        "weight": "0.01498377",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "735988.28",
        "weight": "0.01483491",
        "shared": true
      },
      {
        "name": "US TREASURY N/B",
        "value": "712386.72",
        "weight": "0.01435918",
        "shared": true
      },
      {
        "name": "FREDDIE MAC POOL FR RA7091",
        "value": "711463.38",
        "weight": "0.01434057",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "630656.25",
        "weight": "0.01271179",
        "shared": true
      },
      {
        "name": "US TREASURY N/B",
        "value": "603468.75",
        "weight": "0.01216378",
        "shared": false
      },
      {
        "name": "Freddie Mac Pool",
        "value": "562672.96",
        "weight": "0.01134148",
        "shared": false
      },
      {
        "name": "FNCL UMBS 2.0 RA6694 01-01-52",
        "value": "547397.31",
        "weight": "0.01103358",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "517785.15",
        "weight": "0.01043671",
        "shared": true
      },
      {
        "name": "US TREASURY N/B",
        "value": "502173.44",
        "weight": "0.01012203",
        "shared": true
      },
      {
        "name": "FHLG 30YR 5% 07/01/2054#RJ1927",
        "value": "501974.22",
        "weight": "0.01011801",
        "shared": false
      },
      {
        "name": "WIB 0 03/19/26",
        "value": "499142.74",
        "weight": "0.01006094",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "496585.15",
        "weight": "0.01000939",
        "shared": true
      },
      {
        "name": "FNMA POOL CB5401 FN 12/52 FIXED 4.5",
        "value": "490612.02",
        "weight": "0.00988899",
        "shared": false
      },
      {
        "name": "FHLG 30YR 6% 10/01/2053#RJ0051",
        "value": "470325.69",
        "weight": "0.00948009",
        "shared": false
      },
      {
        "name": "VERIZON COMM INC",
        "value": "450548.93",
        "weight": "0.00908146",
        "shared": false
      },
      {
        "name": "UDR INC",
        "value": "440123.18",
        "weight": "0.00887132",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "426224.80",
        "weight": "0.00859118",
        "shared": true
      },
      {
        "name": "US TREASURY N/B",
        "value": "407531.25",
        "weight": "0.00821438",
        "shared": true
      },
      {
        "name": "GENERAL MILLS IN",
        "value": "403856.78",
        "weight": "0.00814032",
        "shared": true
      },
      {
        "name": "S&P GLOBAL INC",
        "value": "386660.02",
        "weight": "0.00779369",
        "shared": false
      },
      {
        "name": "AES CORP/THE",
        "value": "370917.71",
        "weight": "0.00747638",
        "shared": true
      },
      {
        "name": "US TREASURY N/B",
        "value": "359201.17",
        "weight": "0.00724022",
        "shared": true
      },
      {
        "name": "US TREASURY N/B",
        "value": "356712.89",
        "weight": "0.00719006",
        "shared": true
      },
      {
        "name": "US TREASURY N/B",
        "value": "348878.91",
        "weight": "0.00703216",
        "shared": true
      },
      {
        "name": "CON EDISON CO",
        "value": "317132.25",
        "weight": "0.00639226",
        "shared": true
      },
      {
        "name": "US TREASURY N/B",
        "value": "307992.19",
        "weight": "0.00620803",
        "shared": true
      },
      {
        "name": "US TREASURY N/B",
        "value": "303304.69",
        "weight": "0.00611354",
        "shared": true
      },
      {
        "name": "JPMORGAN CHASE",
        "value": "300896.56",
        "weight": "0.00606500",
        "shared": false
      },
      {
        "name": "BANK OF AMER CRP",
        "value": "300315.42",
        "weight": "0.00605329",
        "shared": true
      },
      {
        "name": "Freddie Mac Multifamily Structured Pass Through Certificates",
        "value": "300172.50",
        "weight": "0.00605041",
        "shared": false
      },
      {
        "name": "MERCK & CO INC",
        "value": "286431.58",
        "weight": "0.00577344",
        "shared": false
      },
      {
        "name": "ANALOG DEVICES",
        "value": "285032.49",
        "weight": "0.00574524",
        "shared": false
      },
      {
        "name": "FNCL UMBS 4.0 RA8200 12-01-52",
        "value": "283274.52",
        "weight": "0.00570981",
        "shared": false
      },
      {
        "name": "TELUS CORP",
        "value": "280504.58",
        "weight": "0.00565397",
        "shared": true
      },
      {
        "name": "WALMART INC",
        "value": "270512.81",
        "weight": "0.00545258",
        "shared": false
      },
      {
        "name": "AUTODESK INC",
        "value": "268970.30",
        "weight": "0.00542148",
        "shared": false
      },
      {
        "name": "ATHENE GLOBAL FUNDING 2.5% 03/24/2028 144A",
        "value": "240938.76",
        "weight": "0.00485647",
        "shared": false
      }
    ],
    "b_top": [
      {
        "name": "Fidelity Cash Central Fund",
        "value": "26100643.56",
        "weight": "0.10430891",
        "shared": true
      },
      {
        "name": "US TREASURY N/B",
        "value": "8322371.07",
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        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "4290352.76",
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        "shared": true
      },
      {
        "name": "US TREASURY N/B",
        "value": "4270201.14",
        "weight": "0.01706548",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "4251843.75",
        "weight": "0.01699212",
        "shared": true
      },
      {
        "name": "US TREASURY N/B",
        "value": "4079917.96",
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        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "3893943.75",
        "weight": "0.01556180",
        "shared": true
      },
      {
        "name": "US TREASURY N/B",
        "value": "3813443.59",
        "weight": "0.01524009",
        "shared": true
      },
      {
        "name": "US TREASURY N/B",
        "value": "3569047.26",
        "weight": "0.01426338",
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      },
      {
        "name": "US TREASURY N/B",
        "value": "3564986.67",
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        "shared": true
      },
      {
        "name": "US TREASURY N/B",
        "value": "3428512.48",
        "weight": "0.01370175",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "3337254.22",
        "weight": "0.01333704",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "3298195.30",
        "weight": "0.01318095",
        "shared": false
      },
      {
        "name": "Uniform Mortgage-Backed Security, TBA",
        "value": "3043503.07",
        "weight": "0.01216309",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "3019062.59",
        "weight": "0.01206542",
        "shared": true
      },
      {
        "name": "US TREASURY N/B",
        "value": "2943390.94",
        "weight": "0.01176300",
        "shared": true
      },
      {
        "name": "US TREASURY N/B",
        "value": "2920430.63",
        "weight": "0.01167124",
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      },
      {
        "name": "FNCL 5.5 3/25",
        "value": "2768855.61",
        "weight": "0.01106549",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "2647837.50",
        "weight": "0.01058185",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "2611984.39",
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      },
      {
        "name": "US TREASURY N/B",
        "value": "2395204.57",
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      },
      {
        "name": "US TREASURY N/B",
        "value": "2260669.52",
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      },
      {
        "name": "US TREASURY N/B",
        "value": "2151632.81",
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      {
        "name": "US TREASURY N/B",
        "value": "2118692.37",
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      },
      {
        "name": "US TREASURY N/B",
        "value": "2082756.05",
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        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "2082692.18",
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        "shared": true
      },
      {
        "name": "US TREASURY N/B",
        "value": "2062683.99",
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        "shared": true
      },
      {
        "name": "US TREASURY N/B",
        "value": "2026488.27",
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      },
      {
        "name": "FNCL 2 4/26",
        "value": "1904957.06",
        "weight": "0.00761299",
        "shared": false
      },
      {
        "name": "Fannie Mae or Freddie Mac",
        "value": "1827351.54",
        "weight": "0.00730285",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "1793137.49",
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        "shared": true
      },
      {
        "name": "Uniform Mortgage-Backed Security, TBA",
        "value": "1765410.22",
        "weight": "0.00705531",
        "shared": false
      },
      {
        "name": "Uniform Mortgage-Backed Security, TBA",
        "value": "1731953.20",
        "weight": "0.00692160",
        "shared": true
      },
      {
        "name": "GNII II 5.5% 03/01/2056 #TBA",
        "value": "1721889.03",
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        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "1671720.70",
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      },
      {
        "name": "US TREASURY N/B",
        "value": "1659875.01",
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      },
      {
        "name": "Government National Mortgage Association, TBA",
        "value": "1606949.51",
        "weight": "0.00642203",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "1604223.64",
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      },
      {
        "name": "US TREASURY N/B",
        "value": "1514965.23",
        "weight": "0.00605442",
        "shared": true
      },
      {
        "name": "US TREASURY N/B",
        "value": "1486017.78",
        "weight": "0.00593874",
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      },
      {
        "name": "US TREASURY N/B",
        "value": "1437242.18",
        "weight": "0.00574381",
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      },
      {
        "name": "FNCL 6 3/24",
        "value": "1436039.08",
        "weight": "0.00573900",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "1406497.65",
        "weight": "0.00562094",
        "shared": true
      },
      {
        "name": "US TREASURY N/B",
        "value": "1275900.01",
        "weight": "0.00509902",
        "shared": true
      },
      {
        "name": "Aimco CLO 20 Ltd., Series 2023-20A, Class A1R",
        "value": "1252801.25",
        "weight": "0.00500671",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "1236203.13",
        "weight": "0.00494038",
        "shared": false
      },
      {
        "name": "G2SF 5.5 4/25",
        "value": "1214185.44",
        "weight": "0.00485238",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "1159397.63",
        "weight": "0.00463343",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "1133472.66",
        "weight": "0.00452982",
        "shared": true
      },
      {
        "name": "Uniform Mortgage-Backed Security, TBA",
        "value": "1130322.25",
        "weight": "0.00451723",
        "shared": false
      }
    ]
  },
  "error": null,
  "sources": [
    {
      "label": "N-PORT (fund A)",
      "accession_no": "0000035402-26-002566",
      "as_of": "2026-02-28",
      "edgar_url": "https://www.sec.gov/Archives/edgar/data/751199/000003540226002566/0000035402-26-002566-index.htm"
    },
    {
      "label": "N-PORT (fund B)",
      "accession_no": "0000035402-26-002635",
      "as_of": "2026-02-28",
      "edgar_url": "https://www.sec.gov/Archives/edgar/data/35315/000003540226002635/0000035402-26-002635-index.htm"
    }
  ]
}