{
  "page": "compare",
  "query": {
    "a": "ECLBX",
    "b": "IBMN"
  },
  "retrieved_at": "2026-07-07T16:47:44+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": "Parametric TABS 1-to-10 Year Laddered Municipal Bond Fund",
    "ticker": "ECLBX",
    "slug": "ECLBX",
    "series_id": "S000049164",
    "html_url": "https://fundwatcher.app/funds/ECLBX/"
  },
  "fund_b": {
    "name": "iShares iBonds Dec 2025 Term Muni Bond ETF",
    "ticker": "IBMN",
    "slug": "IBMN",
    "series_id": "S000063114",
    "html_url": "https://fundwatcher.app/funds/IBMN/"
  },
  "overlap": {
    "coverage_a_by_b": "0.02317935771597048112954254914",
    "coverage_b_by_a": "0.02317935771597048112954254914",
    "shared_count": 2,
    "as_of": {
      "a": "2026-01-31",
      "b": "2025-10-31"
    },
    "a_top": [
      {
        "name": "SOMERVILLE MA",
        "value": "2648770.20",
        "weight": "0.03283129",
        "shared": false
      },
      {
        "name": "Southeast Energy Authority, Alabama, Commodity Supply Revenue Bonds, Project 2, Series 2021B-1",
        "value": "2522162.00",
        "weight": "0.03126199",
        "shared": false
      },
      {
        "name": "NORTH CAROLINA ST",
        "value": "2505260.50",
        "weight": "0.03105250",
        "shared": false
      },
      {
        "name": "BEXAR CNTY TX",
        "value": "2300746.12",
        "weight": "0.02851756",
        "shared": false
      },
      {
        "name": "IN FIN REV 5% 11/15/2028",
        "value": "2136226.60",
        "weight": "0.02647835",
        "shared": false
      },
      {
        "name": "MAIN STR NAT GA 5% MT",
        "value": "2118438.20",
        "weight": "0.02625787",
        "shared": false
      },
      {
        "name": "New York (City of), NY Municipal Water Finance Authority, Series 2022 EE, Ref. RB",
        "value": "2051739.40",
        "weight": "0.02543114",
        "shared": false
      },
      {
        "name": "Pennsylvania Turnpike Commission, Turnpike Revenue Bonds, Variable Rate Series 2020",
        "value": "2000000.00",
        "weight": "0.02478984",
        "shared": true
      },
      {
        "name": "NYC TRAN FIN-VAR-C5",
        "value": "2000000.00",
        "weight": "0.02478984",
        "shared": false
      },
      {
        "name": "New York (State of), NY Health and Hospitals Corp., Series 2018, RB",
        "value": "2000000.00",
        "weight": "0.02478984",
        "shared": false
      },
      {
        "name": "TEXAS ST DEPT OF HSG & CMNTY A REGD B/E GNMA CO 5.75000000",
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        "weight": "0.02181002",
        "shared": false
      },
      {
        "name": "State of Oregon, Series 2025 E",
        "value": "1649632.35",
        "weight": "0.02044706",
        "shared": false
      },
      {
        "name": "ROYSE CITY TX",
        "value": "1646039.15",
        "weight": "0.02040252",
        "shared": false
      },
      {
        "name": "FORT BEND CNTY TX WC&ID #2",
        "value": "1628052.87",
        "weight": "0.02017958",
        "shared": false
      },
      {
        "name": "CYPRESS-FAIRBANKS TX INDEP SCH DIST",
        "value": "1480782.63",
        "weight": "0.01835418",
        "shared": false
      },
      {
        "name": "ORLANDO UTILS-VAR-1",
        "value": "1400000.00",
        "weight": "0.01735288",
        "shared": false
      },
      {
        "name": "FREMONT NE COMB UTILITY SYS REVENUE",
        "value": "1367890.40",
        "weight": "0.01695489",
        "shared": false
      },
      {
        "name": "MSILF-GOVT-INS",
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        "weight": "0.01694080",
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      {
        "name": "RUTHERFORD CNTY TN",
        "value": "1306462.35",
        "weight": "0.01619349",
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      },
      {
        "name": "NORTH CAROLINA ST",
        "value": "1267804.08",
        "weight": "0.01571433",
        "shared": false
      },
      {
        "name": "BATTERY PARK CITY NY AUTH BATTERY PARK CITY AUTHORITY",
        "value": "1215000.00",
        "weight": "0.01505982",
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      },
      {
        "name": "Development Authority of Burke County (The), Series E",
        "value": "1157557.84",
        "weight": "0.01434783",
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      },
      {
        "name": "MET ST UNIV OF DENVER CO INSTNL ENTERPRISE REVENUE",
        "value": "1157355.10",
        "weight": "0.01434532",
        "shared": false
      },
      {
        "name": "DOWNTWN PUB INFRA-B",
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        "weight": "0.01433880",
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      },
      {
        "name": "NJ NJSEDU 07/01/2064",
        "value": "1120430.50",
        "weight": "0.01388764",
        "shared": false
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      {
        "name": "TN TNSUTL 5 11/01/2034",
        "value": "1087792.30",
        "weight": "0.01348310",
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      },
      {
        "name": "SOUTHEAST ENERGY-E",
        "value": "1086181.70",
        "weight": "0.01346313",
        "shared": false
      },
      {
        "name": "NM MUNI ENERGY ACQ AU",
        "value": "1066904.20",
        "weight": "0.01322419",
        "shared": false
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      {
        "name": "VIRGINIA ST SMALL BUSINESS FIN REGD B/E 5.00000000",
        "value": "1058470.09",
        "weight": "0.01311965",
        "shared": false
      },
      {
        "name": "Nashville (City of) & Davidson (County of), TN Metropolitan Government Health & Educational Facilities Board (The) (Vanderbilt Univ Medical Center)",
        "value": "1057494.30",
        "weight": "0.01310755",
        "shared": false
      },
      {
        "name": "OHIO ST HSG FIN AGY RSDL MTGE REVENUE",
        "value": "1045779.91",
        "weight": "0.01296236",
        "shared": false
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      {
        "name": "SOUTH DAKOTA ST HSG DEV AUTH REGD OID B/E GNMA/FN 6.25000000",
        "value": "1042595.46",
        "weight": "0.01292288",
        "shared": false
      },
      {
        "name": "NEW YORK NY",
        "value": "1034175.70",
        "weight": "0.01281852",
        "shared": false
      },
      {
        "name": "CALIFORNIA ST",
        "value": "1029876.60",
        "weight": "0.01276524",
        "shared": false
      },
      {
        "name": "FOLEY AL UTILITIES BRD UTILITIES REVENUE",
        "value": "1016651.88",
        "weight": "0.01260132",
        "shared": false
      },
      {
        "name": "HAYS TX CONSOL INDEP SCH DIST",
        "value": "1005756.30",
        "weight": "0.01246627",
        "shared": false
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      {
        "name": "Allegheny (County of), PA Higher Education Building Authority (Carnegie Mellon University), Series 2022, Ref. RB",
        "value": "997749.10",
        "weight": "0.01236702",
        "shared": false
      },
      {
        "name": "MO ST HLTH EDU AUTH-A",
        "value": "980710.75",
        "weight": "0.01215583",
        "shared": false
      },
      {
        "name": "CALIFORNIA ST HLTH FACS FING AUTH REVENUE",
        "value": "857840.03",
        "weight": "0.01063286",
        "shared": false
      },
      {
        "name": "CALIFORNIA COMMUNITY VAR",
        "value": "850619.87",
        "weight": "0.01054336",
        "shared": false
      },
      {
        "name": "LOUDOUN CNTY VA",
        "value": "845843.10",
        "weight": "0.01048416",
        "shared": false
      },
      {
        "name": "BUFFALO & ERIE CNTY NY INDL LAND DEV CORP REVENUE",
        "value": "831241.35",
        "weight": "0.01030317",
        "shared": false
      },
      {
        "name": "St. John the Baptist (Parish of), LA (Marathon Oil Corp.), Series 2017, Ref. RB",
        "value": "809846.32",
        "weight": "0.01003798",
        "shared": false
      },
      {
        "name": "BLACK BELT ENRY GAS-A",
        "value": "809555.63",
        "weight": "0.01003438",
        "shared": false
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      {
        "name": "TUSCALOOSA AL",
        "value": "797231.05",
        "weight": "0.00988161",
        "shared": false
      },
      {
        "name": "TENNESSEE HSG DEV AGY RSDL FIN PROGRAM REVENUE",
        "value": "784722.73",
        "weight": "0.00972657",
        "shared": false
      },
      {
        "name": "NEBRASKA ST INVESTMENT FIN AUTH SF HSG REVENUE",
        "value": "774937.56",
        "weight": "0.00960529",
        "shared": false
      },
      {
        "name": "MO ST HLTH EDU AUTH-A",
        "value": "772425.77",
        "weight": "0.00957415",
        "shared": false
      },
      {
        "name": "LANE CNTY OR SCH DIST #4J EUGENE",
        "value": "750023.03",
        "weight": "0.00929647",
        "shared": false
      },
      {
        "name": "CLIFTON NJ",
        "value": "679824.15",
        "weight": "0.00842636",
        "shared": false
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    ],
    "b_top": [
      {
        "name": "City of Seattle, Series 2023B",
        "value": "25700000.00",
        "weight": "0.06731355",
        "shared": false
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      {
        "name": "Rhode Island Health & Educational Building Corp., Series 2005A",
        "value": "15000000.00",
        "weight": "0.03928806",
        "shared": false
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      {
        "name": "UNIV OF MICHIGAN MI VARIABLE-GEN-SER A",
        "value": "15000000.00",
        "weight": "0.03928806",
        "shared": false
      },
      {
        "name": "HOUSTON TX UTILITY SYS REVENUE CITY OF HOUSTON TX COMBINED UTILITY SYSTEM REVENUE",
        "value": "15000000.00",
        "weight": "0.03928806",
        "shared": false
      },
      {
        "name": "Orange County Water District, Series 2003A",
        "value": "13000000.00",
        "weight": "0.03404965",
        "shared": false
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      {
        "name": "Arizona Board of Regents, Series 2025C",
        "value": "11700000.00",
        "weight": "0.03064469",
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      {
        "name": "OHIO ST UNIV-D-2-REF",
        "value": "11160000.00",
        "weight": "0.02923032",
        "shared": false
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      {
        "name": "Long Island Power Authority, Series 2023D",
        "value": "10000000.00",
        "weight": "0.02619204",
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      {
        "name": "WA KINUTL 01/01/2042",
        "value": "10000000.00",
        "weight": "0.02619204",
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      {
        "name": "OHIO ST UNIV REGD V/R B/E 2.15000000",
        "value": "10000000.00",
        "weight": "0.02619204",
        "shared": false
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      {
        "name": "DT OF COLUMBIA-C-2",
        "value": "10000000.00",
        "weight": "0.02619204",
        "shared": false
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      {
        "name": "NYC MUNI WTR FIN-BB4",
        "value": "8500000.00",
        "weight": "0.02226324",
        "shared": false
      },
      {
        "name": "Massachusetts Water Resources Authority, Series 2025E",
        "value": "7500000.00",
        "weight": "0.01964403",
        "shared": false
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      {
        "name": "MET TRANSPRTN AUTH NY REVENUE METROPOLITAN TRANSPORTATION AUTHORITY",
        "value": "7300000.00",
        "weight": "0.01912019",
        "shared": false
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      {
        "name": "BATTERY PARK NY 19D1 Q=TD V1",
        "value": "7000000.00",
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        "shared": false
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      {
        "name": "BATTERY PARK CITY NY AUTH BATTERY PARK CITY AUTHORITY",
        "value": "6750000.00",
        "weight": "0.01767963",
        "shared": true
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      {
        "name": "COLORADO ST BRD OF GOVERNORS UNIV ENTERPRISE SYS REVENUE",
        "value": "6500000.00",
        "weight": "0.01702483",
        "shared": false
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      {
        "name": "Pennsylvania Turnpike Commission, Series 2023B",
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        "weight": "0.01571522",
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      {
        "name": "City of Colorado Springs Utilities System, Series 2005A",
        "value": "6000000.00",
        "weight": "0.01571522",
        "shared": false
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      {
        "name": "MA ST DEPT TRANSPRTN",
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      {
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      },
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        "name": "NYC-F-5",
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      {
        "name": "Metropolitan Transportation Authority, Series 2012G-2",
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      {
        "name": "TRIBOROUGH BRIDGE-B2A",
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      },
      {
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      },
      {
        "name": "Pennsylvania Turnpike Commission, Series 2020A",
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      },
      {
        "name": "NYC TRANS FIN AUTH-C4",
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      {
        "name": "NYC W/S ADJ-2ND-CC-1",
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      },
      {
        "name": "MA TRANSN-VAR-SR-A1",
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      },
      {
        "name": "University of Delaware, Series 2024B",
        "value": "4100000.00",
        "weight": "0.01073874",
        "shared": false
      },
      {
        "name": "District of Columbia Water & Sewer Authority, Series 2024B, Sub-Series B-1",
        "value": "3700000.00",
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        "shared": false
      },
      {
        "name": "NYC TRANSITIONAL A-2",
        "value": "3380000.00",
        "weight": "0.00885291",
        "shared": false
      },
      {
        "name": "HOUSTON TX UTILITY SYS REVENUE REGD V/R B/E 3.45000000",
        "value": "3325000.00",
        "weight": "0.00870885",
        "shared": false
      },
      {
        "name": "NYC WTR-AA-2",
        "value": "3150000.00",
        "weight": "0.00825049",
        "shared": false
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      {
        "name": "Pennsylvania Turnpike Commission, Turnpike Revenue Bonds, Variable Rate Series 2020",
        "value": "3100000.00",
        "weight": "0.00811953",
        "shared": true
      },
      {
        "name": "PORT TACOMA WASH REV SUB LIEN BDS VAR, Due 12/01/2044",
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        "shared": false
      },
      {
        "name": "Pennsylvania Turnpike Commission, Series 2019-2",
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        "name": "MET TRANSPRTN-E3",
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        "shared": false
      },
      {
        "name": "Massachusetts School Building Authority, Series 2016A",
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      {
        "name": "State of Illinois, Series D",
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        "weight": "0.00618132",
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      {
        "name": "WISCONSIN ST",
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      {
        "name": "South Carolina Public Service Authority, Series 2025B",
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        "name": "Dallas Area Rapid Transit, Series 2019",
        "value": "2008229.05",
        "weight": "0.00525996",
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        "name": "City of Cincinnati Water System, Series B",
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        "weight": "0.00524315",
        "shared": false
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      {
        "name": "Will (County of), IL, Series 2016, GO Bonds",
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        "weight": "0.00524198",
        "shared": false
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      {
        "name": "MET TRANSPRTN AUTH-A2",
        "value": "2000000.00",
        "weight": "0.00523841",
        "shared": false
      },
      {
        "name": "COLORADO SPRINGS CO UTILITIES REVENUE",
        "value": "1725000.00",
        "weight": "0.00451813",
        "shared": false
      },
      {
        "name": "TRIBOROUGH NY BRIDGE & TUNNEL AUTH REVENUES",
        "value": "1675000.00",
        "weight": "0.00438717",
        "shared": false
      },
      {
        "name": "PREREF CENTRL PUGET SOUND WA REGL TRA REGD B/E PREREFUNDED 11/01/25 @ 100 5.00000000",
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        "shared": false
      },
      {
        "name": "NJ ECON DEV AUTH-A",
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    ]
  },
  "error": null,
  "sources": [
    {
      "label": "N-PORT (fund A)",
      "accession_no": "0001410368-26-032611",
      "as_of": "2026-01-31",
      "edgar_url": "https://www.sec.gov/Archives/edgar/data/914529/000141036826032611/0001410368-26-032611-index.htm"
    },
    {
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      "accession_no": "0002071691-25-009494",
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      "edgar_url": "https://www.sec.gov/Archives/edgar/data/1100663/000207169125009494/0002071691-25-009494-index.htm"
    }
  ]
}