{
  "page": "compare",
  "query": {
    "a": "IBMP",
    "b": "GSDUX"
  },
  "retrieved_at": "2026-07-07T18:36:20+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": "iShares iBonds Dec 2027 Term Muni Bond ETF",
    "ticker": "IBMP",
    "slug": "IBMP",
    "series_id": "S000065128",
    "html_url": "https://fundwatcher.app/funds/IBMP/"
  },
  "fund_b": {
    "name": "Goldman Sachs Short Duration Tax-Free Fund",
    "ticker": "GSDUX",
    "slug": "GSDUX",
    "series_id": "S000009241",
    "html_url": "https://fundwatcher.app/funds/GSDUX/"
  },
  "overlap": {
    "coverage_a_by_b": "0.02381060452996237887376909749",
    "coverage_b_by_a": "0.02381060452996237887376909749",
    "shared_count": 28,
    "as_of": {
      "a": "2026-01-31",
      "b": "2026-03-31"
    },
    "a_top": [
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        "name": "STATE OF CALIFORNIA 5.0% 04-01-27",
        "value": "2911950.85",
        "weight": "0.00477588",
        "shared": false
      },
      {
        "name": "State of Michigan, Series 2016",
        "value": "2768214.44",
        "weight": "0.00454014",
        "shared": false
      },
      {
        "name": "University of California, Series 2025, RB",
        "value": "2598951.75",
        "weight": "0.00426253",
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      },
      {
        "name": "BLKR-LI MUNI-INS",
        "value": "2471845.86",
        "weight": "0.00405407",
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      },
      {
        "name": "GEISINGER PA AUTH HLTH SYS REV GEISINGER AUTHORITY",
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      },
      {
        "name": "State of New Jersey, Series 2020A",
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        "weight": "0.00349475",
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      },
      {
        "name": "El Camino Community College District Fountation (The), Series 2012C",
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        "weight": "0.00347977",
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      {
        "name": "NJ TRANSPRTN TRUST-A",
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        "weight": "0.00347052",
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      },
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        "name": "City of Boston, Series 2015A",
        "value": "2115458.53",
        "weight": "0.00346956",
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      {
        "name": "CALIFORNIA ST HLTH FACS FING AUTH REVENUE",
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      },
      {
        "name": "District of Columbia, Series 2019 C, Ref. RB",
        "value": "1919589.83",
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      {
        "name": "Round Rock Independent School District, Series 2019 A, Ref. GO Bonds",
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      {
        "name": "State of Illinois, Series D",
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      {
        "name": "Triborough Bridge & Tunnel Authority, Series 2021C2",
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      {
        "name": "SCAGO Educational Facilities Corp. for Pickens School District, Series 2025",
        "value": "1798653.88",
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      },
      {
        "name": "State of California 5.00% 04/01/2027",
        "value": "1629244.26",
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      },
      {
        "name": "Florida (State of) Department of Environmental Protection (FL Forever), Series 2016 A, Ref. RB",
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      {
        "name": "NY ST HSG FIN AGY-D-2",
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      },
      {
        "name": "MET TRANSPRTN AUTH NY",
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      {
        "name": "Lansing Board of Water & Light, Series 2026B",
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      {
        "name": "MIAMI-DADE WTSW 5% 10/1/2027",
        "value": "1549975.88",
        "weight": "0.00254211",
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      },
      {
        "name": "NEW JERSEY ST ECON DEV AUTH RE REGD N/C B/E 5.00000000",
        "value": "1529206.48",
        "weight": "0.00250805",
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      },
      {
        "name": "MI FIN AUTH-A-REF",
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      },
      {
        "name": "Dallas (City of), TX Area Rapid Transit, Series 2019, Ref. RB",
        "value": "1502841.06",
        "weight": "0.00246481",
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      {
        "name": "Bay Area Toll Authority, Series 2017S-7",
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      },
      {
        "name": "Ohio Water Development Authority, Series 2019A",
        "value": "1491261.42",
        "weight": "0.00244581",
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      },
      {
        "name": "Alabama (State of) Public School & College Authority (Social Bonds), Series 2020 A, Ref. RB",
        "value": "1464640.24",
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      },
      {
        "name": "Omaha Public Power District, Series 2016A",
        "value": "1460000.00",
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      {
        "name": "COLORADO ST HLTH FACS",
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        "shared": true
      },
      {
        "name": "Grand River Dam Authority, Series 2016 A, Ref. RB",
        "value": "1433010.22",
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      {
        "name": "PREREF ALABAMA FEDERAL AID HIGHWAY FI REGD B/E PREREFUNDED 09/01/27 @ 100 5.00000000",
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      {
        "name": "ILL ST TOLL 5% 1/1/2027",
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      },
      {
        "name": "NYC TRANSITIONAL FIN",
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        "weight": "0.00230817",
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      },
      {
        "name": "NEW YORK NY",
        "value": "1373218.44",
        "weight": "0.00225221",
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      {
        "name": "FLORIDA INSURANCE ASSISTANCE INTERLOCAL AGY",
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      },
      {
        "name": "State of Minnesota, Series 2021A",
        "value": "1357083.52",
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      {
        "name": "PENNSYLVANIA ST",
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        "weight": "0.00221673",
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      {
        "name": "E-470 Public Highway Authority, Series 2004A",
        "value": "1346171.82",
        "weight": "0.00220785",
        "shared": true
      },
      {
        "name": "Indiana (State of) Finance Authority (CWA Authority), Series 2021, Ref. RB",
        "value": "1325886.99",
        "weight": "0.00217458",
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      {
        "name": "NJ EDA REV 4% 11/1/2027",
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      },
      {
        "name": "UNIV OF WASHINGTON WA UNIV REV REGD V/R B/E 4.00000000",
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        "weight": "0.00206078",
        "shared": true
      },
      {
        "name": "Pflugerville Independent School District, Series 2019A",
        "value": "1254931.41",
        "weight": "0.00205821",
        "shared": false
      },
      {
        "name": "RI COMMERCE CORP-B",
        "value": "1245818.85",
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      },
      {
        "name": "Northside Independent School District, Series 2021",
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        "weight": "0.00202296",
        "shared": false
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      {
        "name": "New Jersey Transportation Trust Fund Authority, Series 2022AA",
        "value": "1229174.55",
        "weight": "0.00201597",
        "shared": false
      },
      {
        "name": "Pennsylvania (Commonwealth of), First Series 2017, Ref. GO Bonds",
        "value": "1194191.17",
        "weight": "0.00195859",
        "shared": false
      },
      {
        "name": "VIRGINIA ST CLG BLDG AUTH EDUCTNL FACS REVENUE 21ST CENTURY",
        "value": "1181653.41",
        "weight": "0.00193803",
        "shared": false
      },
      {
        "name": "Los Angeles (County of), CA Metropolitan Transportation Authority (Green Bonds), Series 2020 A, RB",
        "value": "1167375.55",
        "weight": "0.00191461",
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      {
        "name": "ILLINOIS ST TOLL HIGHWAY AUTH",
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        "weight": "0.00189992",
        "shared": false
      },
      {
        "name": "NEW YORK NY REGD N/C B/E 5.00000000",
        "value": "1154751.87",
        "weight": "0.00189391",
        "shared": false
      }
    ],
    "b_top": [
      {
        "name": "PUERTO RICO SALES TAX FING COR PUERTO RICO SALES TAX FINANCING CORP SALES TAX REV",
        "value": "98887190.33",
        "weight": "0.01926905",
        "shared": false
      },
      {
        "name": "BANNER HEALTH OBLIGATED GROUP (MPT) FRN 01-01-37",
        "value": "77772778.07",
        "weight": "0.01515472",
        "shared": false
      },
      {
        "name": "TX ST MUNI GAS-C",
        "value": "53539122.68",
        "weight": "0.01043258",
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      {
        "name": "Texas Department of Transportation State Highway Fund, First Tier, Series 2016B",
        "value": "46000000.00",
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      {
        "name": "MUNIBOND",
        "value": "45523366.24",
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      },
      {
        "name": "STATE OF NEW JERSEY NATL 0.0% 12-15-27",
        "value": "44349252.75",
        "weight": "0.00864185",
        "shared": false
      },
      {
        "name": "New York State Thruway Authority, Series 2021A-1",
        "value": "41899308.00",
        "weight": "0.00816446",
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      {
        "name": "TRIBOROUGH NY BRIDGE & TUNNEL REGD V/R B/E 5.00000000",
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        "shared": false
      },
      {
        "name": "MO MOSMED 05/01/2051",
        "value": "40041992.00",
        "weight": "0.00780254",
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      },
      {
        "name": "Puerto Rico Electric Power Authority, Series UU",
        "value": "39289296.90",
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      {
        "name": "PUERTO RICO SALES TAX FING CORP SALES TAX REVENUE",
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        "shared": false
      },
      {
        "name": "State of Illinois, Series D",
        "value": "34901237.29",
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      },
      {
        "name": "SOUTHEAST ENERGY-E",
        "value": "31832046.00",
        "weight": "0.00620276",
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      },
      {
        "name": "Goldman Sachs Trust - Goldman Sachs Financial Square Treasury Instruments Fund",
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      },
      {
        "name": "COLORADO ST HLTH FACS AUTH REV REGD V/R B/E 5.00000000",
        "value": "30646966.19",
        "weight": "0.00597184",
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      },
      {
        "name": "CALIFORNIA COMMUNITY VAR",
        "value": "29133585.77",
        "weight": "0.00567694",
        "shared": false
      },
      {
        "name": "PREREF MET WASHINGTON DC ARPTS AUTH D REGD OID B/E AG PREREFUNDED 10/01/26 @ 100 6.50000000",
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      },
      {
        "name": "GREAT LAKES WATER AUTHORITY SEWAGE DISPOSAL SYSTEM REVENUE AG FRN 07-01-32",
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      },
      {
        "name": "TRIBOROUGH NY BRIDGE & TUNNEL REGD B/E 5.00000000",
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      },
      {
        "name": "San Francisco City & County Airport Comm-San Francisco International Airport, Series C",
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      },
      {
        "name": "PUERTO RICO SALES TAX FING COR REGD ZCP OID B/E 0.00000000",
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      },
      {
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      },
      {
        "name": "New York City Transitional Finance Authority Future Tax Secured Revenue, Series 2026, RB",
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      {
        "name": "MTRO WA DC ARPT 5% 10/1/2026 @",
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      },
      {
        "name": "CALIFORNIA ST HLTH FACS FING AUTH REVENUE",
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      {
        "name": "CT HLTH & EDUCTNL-B-1",
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      {
        "name": "NEW YORK ST URBAN DEV CORP REVENUE",
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      },
      {
        "name": "STATE OF CALIFORNIA",
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        "weight": "0.00414585",
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      },
      {
        "name": "CHICAGO ILLIN 6% 4/1/2046",
        "value": "20218722.00",
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      },
      {
        "name": "SAN ANTONIO WTR 1% MT",
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      },
      {
        "name": "LEHIGH PA_IDA 2.625% 2/15/2027",
        "value": "19616867.35",
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      },
      {
        "name": "REGL TRANSPRTN DIST CO SALES T REGIONAL TRANSPORTATION DISTRICT SALES TAX REVENUE",
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        "weight": "0.00380744",
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      },
      {
        "name": "State of Maryland",
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      {
        "name": "PENNSYLVANIA ST ECON DEV FING AUTH UPMC REVENUE",
        "value": "18259238.27",
        "weight": "0.00355798",
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      },
      {
        "name": "STATE OF ILLINOIS MCCORMICK PLACE EXPANSION PROJECT FUND NATL 0.0% 12-15-34",
        "value": "18014270.43",
        "weight": "0.00351024",
        "shared": false
      },
      {
        "name": "BLACK BELT ENERGY GAS VAR",
        "value": "17232834.86",
        "weight": "0.00335797",
        "shared": true
      },
      {
        "name": "CALIFORNIA ST INFRASTRUCTURE & REGD V/R B/E 1.20000000",
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      },
      {
        "name": "MAIN STR NAT GA 5% MT",
        "value": "17030548.54",
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      },
      {
        "name": "GEISINGER PA AUTH HLTH SYS REV GEISINGER AUTHORITY",
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      },
      {
        "name": "PUERTO RICO SALES TAX FING COR REGD ZCP OID B/E 0.00000000",
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      },
      {
        "name": "City of Philadelphia PA Airport Revenue",
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      },
      {
        "name": "Colorado Health Facilities Authority, Series E",
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      },
      {
        "name": "OH OHSDEV 11/01/2040",
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      },
      {
        "name": "NY ST HSG FIN AGY-D-2",
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        "shared": true
      },
      {
        "name": "Orange County Health Facilities Authority, Florida, Hospital Revenue Bonds, Advent Health Obligated Group, Series 2021C",
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      },
      {
        "name": "E-470 Public Highway Authority, Series 2004A",
        "value": "15654494.38",
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      },
      {
        "name": "TRIBOROUGH NY BRIDGE & TUNNEL TRIBOROUGH BRIDGE & TUNNEL AUTHORITY",
        "value": "15639030.00",
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      },
      {
        "name": "MET WASHINGTON DC ARPTS AUTH ARPT SYS REVENUE",
        "value": "15617101.32",
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      },
      {
        "name": "BAY AREA TOLL-VAR A",
        "value": "15020376.00",
        "weight": "0.00292685",
        "shared": false
      },
      {
        "name": "DESERTXPRESS ENTERPRISES LLC (MPT) 3.5% 01-01-65",
        "value": "15007078.50",
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    ]
  },
  "error": null,
  "sources": [
    {
      "label": "N-PORT (fund A)",
      "accession_no": "0002071691-26-007323",
      "as_of": "2026-01-31",
      "edgar_url": "https://www.sec.gov/Archives/edgar/data/1100663/000207169126007323/0002071691-26-007323-index.htm"
    },
    {
      "label": "N-PORT (fund B)",
      "accession_no": "0000940400-26-022108",
      "as_of": "2026-03-31",
      "edgar_url": "https://www.sec.gov/Archives/edgar/data/822977/000094040026022108/0000940400-26-022108-index.htm"
    }
  ]
}