{
  "page": "compare",
  "query": {
    "a": "FSIKX",
    "b": "FASWX"
  },
  "retrieved_at": "2026-07-07T19:26:38+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 Intermediate Municipal Income Fund",
    "ticker": "FSIKX",
    "slug": "FSIKX",
    "series_id": "S000075893",
    "html_url": "https://fundwatcher.app/funds/FSIKX/"
  },
  "fund_b": {
    "name": "Fidelity SAI Sustainable Municipal Income Fund",
    "ticker": "FASWX",
    "slug": "FASWX",
    "series_id": "S000075891",
    "html_url": "https://fundwatcher.app/funds/FASWX/"
  },
  "overlap": {
    "coverage_a_by_b": "0.2408874064556765927903562728",
    "coverage_b_by_a": "0.2408874064556765927903562729",
    "shared_count": 129,
    "as_of": {
      "a": "2026-01-31",
      "b": "2026-01-31"
    },
    "a_top": [
      {
        "name": "Fidelity Municipal Cash Central Fund",
        "value": "1553908.15",
        "weight": "0.05876032",
        "shared": true
      },
      {
        "name": "CT SPEC TAX 5% 7/1/2034",
        "value": "553162.51",
        "weight": "0.02091759",
        "shared": false
      },
      {
        "name": "DALLAS TX 5% 2/15/2031",
        "value": "353888.99",
        "weight": "0.01338215",
        "shared": false
      },
      {
        "name": "VAUXMONT METROPOLITAN DISTRICT AG 5.0% 12-01-28",
        "value": "344954.09",
        "weight": "0.01304428",
        "shared": false
      },
      {
        "name": "CLEAR CREEK TX INDEP SCH DIST REGD B/E PSF-GTD 5.00000000",
        "value": "344145.99",
        "weight": "0.01301372",
        "shared": false
      },
      {
        "name": "TOMBALL TX ISD 5% 2/15/2038",
        "value": "341612.25",
        "weight": "0.01291791",
        "shared": false
      },
      {
        "name": "LOS ANGELES CA DEPT OF ARPTS ARPT REVENUE",
        "value": "334113.06",
        "weight": "0.01263433",
        "shared": false
      },
      {
        "name": "TRAVI TX 89439Y 5% 3/1/2027",
        "value": "308398.62",
        "weight": "0.01166195",
        "shared": false
      },
      {
        "name": "ALLEGHENY CO PA 5% 12/1/2026",
        "value": "270799.92",
        "weight": "0.01024017",
        "shared": false
      },
      {
        "name": "City of Atlanta Department of Aviation, Series 2025BB-1",
        "value": "270748.25",
        "weight": "0.01023822",
        "shared": false
      },
      {
        "name": "ILLINOIS FINANC 5% 10/1/2029",
        "value": "270088.03",
        "weight": "0.01021326",
        "shared": false
      },
      {
        "name": "ARLINGTON MA 2% 9/15/2034",
        "value": "251346.07",
        "weight": "0.00950454",
        "shared": false
      },
      {
        "name": "BOSTON MA W and S 3% 11/1/2033",
        "value": "249106.08",
        "weight": "0.00941983",
        "shared": false
      },
      {
        "name": "ILLINOIS ST FIN AUTH REVENUE REGD N/C B/E 5.00000000",
        "value": "237577.80",
        "weight": "0.00898390",
        "shared": false
      },
      {
        "name": "State of California",
        "value": "236624.24",
        "weight": "0.00894784",
        "shared": false
      },
      {
        "name": "WAKE CNTY LTD O 5% 5/1/2036",
        "value": "235787.76",
        "weight": "0.00891621",
        "shared": false
      },
      {
        "name": "NJ TRANSPRTN TRUST-CC",
        "value": "233951.52",
        "weight": "0.00884677",
        "shared": false
      },
      {
        "name": "WA ST UNIV-REF",
        "value": "220389.26",
        "weight": "0.00833392",
        "shared": false
      },
      {
        "name": "Southeast Energy Authority, Alabama, Revenue Bonds Cooperative District Energy Supply Series 2024C",
        "value": "215819.92",
        "weight": "0.00816113",
        "shared": true
      },
      {
        "name": "Los Angeles Department of Water & Power Water System, Series 2025 C",
        "value": "214545.22",
        "weight": "0.00811293",
        "shared": false
      },
      {
        "name": "DENTON TX ISD-SER B2",
        "value": "212869.46",
        "weight": "0.00804956",
        "shared": false
      },
      {
        "name": "UNIV TX 2% 8/15/2036",
        "value": "211639.53",
        "weight": "0.00800305",
        "shared": true
      },
      {
        "name": "ESCAMBIA FL HSP 5% 8/15/2034",
        "value": "211189.82",
        "weight": "0.00798605",
        "shared": true
      },
      {
        "name": "PORT OF LOS ANGELES LOSTRN 08/38 FIXED 5",
        "value": "207148.09",
        "weight": "0.00783321",
        "shared": true
      },
      {
        "name": "Southeast Energy Authority A Cooperative District, Series 2025A",
        "value": "201052.07",
        "weight": "0.00760269",
        "shared": false
      },
      {
        "name": "GA PWR - SOUTHERN CO 18-1 V1",
        "value": "200000.00",
        "weight": "0.00756291",
        "shared": true
      },
      {
        "name": "GARLAND TEX 5% 2/15/2038",
        "value": "198743.88",
        "weight": "0.00751541",
        "shared": false
      },
      {
        "name": "GREAT LAKES WTR 5.25% 7/1/2045",
        "value": "190350.88",
        "weight": "0.00719803",
        "shared": false
      },
      {
        "name": "FAIRFAX C VA 5% 1/1/2045 MT",
        "value": "185452.49",
        "weight": "0.00701280",
        "shared": false
      },
      {
        "name": "SALT VERDE FINL CORP GAS REV ARIZ SR",
        "value": "181238.11",
        "weight": "0.00685344",
        "shared": true
      },
      {
        "name": "WI ST 5% 5/1/2034 Q",
        "value": "177539.31",
        "weight": "0.00671357",
        "shared": true
      },
      {
        "name": "State of Illinois Sales Tax Revenue",
        "value": "177168.91",
        "weight": "0.00669956",
        "shared": false
      },
      {
        "name": "WAYNE ST U MI 5% 11/15/2034",
        "value": "176489.94",
        "weight": "0.00667389",
        "shared": true
      },
      {
        "name": "County of Baltimore, Series 2025",
        "value": "175873.26",
        "weight": "0.00665057",
        "shared": false
      },
      {
        "name": "TARRANT EFFC HO 5% 12/1/2035",
        "value": "174959.79",
        "weight": "0.00661602",
        "shared": false
      },
      {
        "name": "NORTH CAROLINA ST HSG FIN AGY REGD B/E GNMA/FN 6.25000000",
        "value": "172666.34",
        "weight": "0.00652930",
        "shared": true
      },
      {
        "name": "PUBLIC FIN AUTH WI HL",
        "value": "172526.96",
        "weight": "0.00652403",
        "shared": false
      },
      {
        "name": "LOS ANGELES UNIF SD-A",
        "value": "169748.06",
        "weight": "0.00641895",
        "shared": true
      },
      {
        "name": "GLOUCESTER IMPT 5% 7/1/2034",
        "value": "169660.55",
        "weight": "0.00641564",
        "shared": false
      },
      {
        "name": "COLORADO ST HSG & FIN AUTH",
        "value": "168829.20",
        "weight": "0.00638420",
        "shared": false
      },
      {
        "name": "CO ST HI ED COP 5% 11/1/2026",
        "value": "168096.97",
        "weight": "0.00635651",
        "shared": false
      },
      {
        "name": "ENERGY NW/WPPS 5% 7/1/2039",
        "value": "162820.49",
        "weight": "0.00615698",
        "shared": false
      },
      {
        "name": "MAIN STR NAT GA 5% MT",
        "value": "161975.34",
        "weight": "0.00612502",
        "shared": true
      },
      {
        "name": "SOUTHEAST ALA PREP 5% MT",
        "value": "160573.58",
        "weight": "0.00607202",
        "shared": false
      },
      {
        "name": "MISSOUR ST HS 4.90% 11/1/2045",
        "value": "153732.68",
        "weight": "0.00581333",
        "shared": true
      },
      {
        "name": "OH OHSDEV 11/01/2039",
        "value": "152398.02",
        "weight": "0.00576286",
        "shared": true
      },
      {
        "name": "NY NY CITY HS 3.625% MT",
        "value": "151637.61",
        "weight": "0.00573411",
        "shared": false
      },
      {
        "name": "MONTANA ST 4.65% 12/1/2046",
        "value": "150644.70",
        "weight": "0.00569656",
        "shared": true
      },
      {
        "name": "NM MFA 4.60% 9/1/2046",
        "value": "150581.51",
        "weight": "0.00569417",
        "shared": false
      },
      {
        "name": "NYS_HFA 3.375% MT",
        "value": "150040.32",
        "weight": "0.00567371",
        "shared": false
      }
    ],
    "b_top": [
      {
        "name": "Fidelity Municipal Cash Central Fund",
        "value": "6982943.56",
        "weight": "0.08510644",
        "shared": true
      },
      {
        "name": "State of Colorado, Series 2024A",
        "value": "1456551.45",
        "weight": "0.01775210",
        "shared": false
      },
      {
        "name": "North Carolina (State of) Medical Care Commission (Rex Healthcare), Series 2020 A, RB",
        "value": "1410552.88",
        "weight": "0.01719148",
        "shared": false
      },
      {
        "name": "GA PWR - SOUTHERN CO 18-1 V1",
        "value": "1300000.00",
        "weight": "0.01584409",
        "shared": true
      },
      {
        "name": "State of Maryland",
        "value": "1233731.57",
        "weight": "0.01503642",
        "shared": false
      },
      {
        "name": "MONTANA ST 4.65% 12/1/2046",
        "value": "1205157.60",
        "weight": "0.01468817",
        "shared": true
      },
      {
        "name": "UNIV TX SYS BRD-A",
        "value": "1112514.40",
        "weight": "0.01355906",
        "shared": true
      },
      {
        "name": "MA CL WTR TR 5% 2/1/2045",
        "value": "1091650.30",
        "weight": "0.01330477",
        "shared": false
      },
      {
        "name": "NYC WTR 5.50% 6/15/2056",
        "value": "1080770.00",
        "weight": "0.01317217",
        "shared": false
      },
      {
        "name": "STATE OF NEW YORK PERSONAL INCOME TAX REVENUE 5.5% 03-15-53",
        "value": "1071365.20",
        "weight": "0.01305754",
        "shared": false
      },
      {
        "name": "SAN ANTONIO TX ELEC & GAS REVE REGD V/R B/E 0.00000000",
        "value": "1008486.30",
        "weight": "0.01229119",
        "shared": true
      },
      {
        "name": "SOUTHEAST ENERGY-E",
        "value": "846851.23",
        "weight": "0.01032122",
        "shared": true
      },
      {
        "name": "MET GOVT TN W and S 3% 7/1/2041",
        "value": "798324.66",
        "weight": "0.00972979",
        "shared": false
      },
      {
        "name": "DENTON CY TX 5% 7/15/2031",
        "value": "735278.83",
        "weight": "0.00896140",
        "shared": false
      },
      {
        "name": "S W TX HGR EDU AUTH",
        "value": "725394.60",
        "weight": "0.00884094",
        "shared": false
      },
      {
        "name": "MAIN STR NAT GA 5% 5/1/2055 MT",
        "value": "700071.97",
        "weight": "0.00853231",
        "shared": false
      },
      {
        "name": "STAFFORD EDA VA 5% 6/15/33",
        "value": "654926.16",
        "weight": "0.00798208",
        "shared": false
      },
      {
        "name": "SW HGR ED TX 5% 10/1/2031",
        "value": "652118.54",
        "weight": "0.00794786",
        "shared": false
      },
      {
        "name": "BATTERY PK REV 5.25% 11/1/55",
        "value": "641788.44",
        "weight": "0.00782196",
        "shared": false
      },
      {
        "name": "Fulton (County of), GA Development Authority (Piedmont Healthcare, Inc.), Series 2019, RB",
        "value": "602030.73",
        "weight": "0.00733741",
        "shared": false
      },
      {
        "name": "City of Atlanta, Series 2025 B-1",
        "value": "600791.02",
        "weight": "0.00732230",
        "shared": false
      },
      {
        "name": "UNIV OF KS HOSP AUTH",
        "value": "583121.09",
        "weight": "0.00710694",
        "shared": false
      },
      {
        "name": "IL ST FIN AUTH-C-REF",
        "value": "579413.85",
        "weight": "0.00706176",
        "shared": false
      },
      {
        "name": "NEW YORK N Y 5% 3/1/2043",
        "value": "573007.26",
        "weight": "0.00698367",
        "shared": false
      },
      {
        "name": "IL ST FIN AUTH-C-REF",
        "value": "566270.00",
        "weight": "0.00690156",
        "shared": false
      },
      {
        "name": "PUBLIC FIN AUTH WI HLTHCARE FACS REVENUE",
        "value": "564645.01",
        "weight": "0.00688176",
        "shared": false
      },
      {
        "name": "ST CHARLES CNTY 5% 3/1/2038",
        "value": "544695.45",
        "weight": "0.00663862",
        "shared": false
      },
      {
        "name": "SAN ANTONIO TX ELEC & GAS REVENUE",
        "value": "542232.80",
        "weight": "0.00660860",
        "shared": false
      },
      {
        "name": "GREAT LAKES WTR 5.50% 7/1/2050",
        "value": "538192.90",
        "weight": "0.00655937",
        "shared": false
      },
      {
        "name": "IN FIN REV 5% 2/1/2045",
        "value": "536057.15",
        "weight": "0.00653334",
        "shared": false
      },
      {
        "name": "NYC NY 5.25% 4/1/47",
        "value": "523758.35",
        "weight": "0.00638344",
        "shared": false
      },
      {
        "name": "City of Chicago Wastewater Transmission Revenue",
        "value": "518179.60",
        "weight": "0.00631545",
        "shared": false
      },
      {
        "name": "Southeast Energy Authority, Alabama, Commodity Supply Revenue Bonds, Project 2, Series 2021B-1",
        "value": "504146.00",
        "weight": "0.00614441",
        "shared": false
      },
      {
        "name": "GA PWR - SOUTHERN CO 22-1 V1@",
        "value": "500000.00",
        "weight": "0.00609388",
        "shared": false
      },
      {
        "name": "Industrial Development Board of the City of Mobile Alabama",
        "value": "500000.00",
        "weight": "0.00609388",
        "shared": false
      },
      {
        "name": "Industrial Development Board of the City of Mobile Alabama",
        "value": "500000.00",
        "weight": "0.00609388",
        "shared": false
      },
      {
        "name": "SEATTLE WA WTR 5% 5/1/2033",
        "value": "466439.32",
        "weight": "0.00568485",
        "shared": false
      },
      {
        "name": "NASHUA N H 2.25% 8/1/2045",
        "value": "465790.75",
        "weight": "0.00567695",
        "shared": false
      },
      {
        "name": "State of Connecticut",
        "value": "462724.60",
        "weight": "0.00563958",
        "shared": false
      },
      {
        "name": "NORTH CAROLINA ST HSG FIN AGY REGD B/E GNMA/FN 6.25000000",
        "value": "460443.56",
        "weight": "0.00561178",
        "shared": true
      },
      {
        "name": "OR ST ADMIN LOT 5.25% 4/1/2043",
        "value": "450861.48",
        "weight": "0.00549499",
        "shared": false
      },
      {
        "name": "GA PWR - SOUTHERN CO 22-2 V1@",
        "value": "450000.00",
        "weight": "0.00548449",
        "shared": false
      },
      {
        "name": "GREAT LAKES WTR 5% 7/1/2045",
        "value": "444226.46",
        "weight": "0.00541413",
        "shared": false
      },
      {
        "name": "ENERGY NW/WPPS 5% 7/1/2043",
        "value": "441426.80",
        "weight": "0.00538000",
        "shared": false
      },
      {
        "name": "SOUTH WASH MN 5% 2/1/2032",
        "value": "440328.76",
        "weight": "0.00536662",
        "shared": false
      },
      {
        "name": "ILLINOIS FN RV 3.25% 5/15/2039",
        "value": "437735.33",
        "weight": "0.00533501",
        "shared": false
      },
      {
        "name": "ILLINOIS ST FIN AUTH REVENUE REGD V/R B/E 5.00000000",
        "value": "429227.60",
        "weight": "0.00523132",
        "shared": false
      },
      {
        "name": "UNIV OK REVENUES",
        "value": "428274.85",
        "weight": "0.00521971",
        "shared": false
      },
      {
        "name": "MA ST 5% 4/1/2047",
        "value": "423905.00",
        "weight": "0.00516645",
        "shared": false
      },
      {
        "name": "JACKSONVILLE F 5% 10/1/2043",
        "value": "423785.70",
        "weight": "0.00516500",
        "shared": false
      }
    ]
  },
  "error": null,
  "sources": [
    {
      "label": "N-PORT (fund A)",
      "accession_no": "0000035402-26-002117",
      "as_of": "2026-01-31",
      "edgar_url": "https://www.sec.gov/Archives/edgar/data/35315/000003540226002117/0000035402-26-002117-index.htm"
    },
    {
      "label": "N-PORT (fund B)",
      "accession_no": "0000035402-26-002064",
      "as_of": "2026-01-31",
      "edgar_url": "https://www.sec.gov/Archives/edgar/data/35315/000003540226002064/0000035402-26-002064-index.htm"
    }
  ]
}