{
  "page": "compare",
  "query": {
    "a": "MFSM",
    "b": "PMIO"
  },
  "retrieved_at": "2026-07-07T18:15:38+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": "MFS Active Intermediate Muni Bond ETF",
    "ticker": "MFSM",
    "slug": "MFSM",
    "series_id": "S000085668",
    "html_url": "https://fundwatcher.app/funds/MFSM/"
  },
  "fund_b": {
    "name": "PGIM Municipal Income Opportunities ETF",
    "ticker": "PMIO",
    "slug": "PMIO",
    "series_id": "S000085147",
    "html_url": "https://fundwatcher.app/funds/PMIO/"
  },
  "overlap": {
    "coverage_a_by_b": "0.04667547203009226445488645128",
    "coverage_b_by_a": "0.04667547203009226445488645129",
    "shared_count": 10,
    "as_of": {
      "a": "2026-02-28",
      "b": "2026-02-27"
    },
    "a_top": [
      {
        "name": "State Street Navigator Securities Lending Portfolio II",
        "value": "3348853.41",
        "weight": "0.04555132",
        "shared": false
      },
      {
        "name": "ISHARES NATIONAL MUNI BOND ETF ISHARES NATIONAL MUNI BOND E",
        "value": "2946286.00",
        "weight": "0.04007557",
        "shared": true
      },
      {
        "name": "VANGUARD TAX-EXM",
        "value": "2946240.00",
        "weight": "0.04007494",
        "shared": false
      },
      {
        "name": "PASCO CNTY FL SOL WST DISP & RESOURCE RECOVERY SYS",
        "value": "751057.98",
        "weight": "0.01021594",
        "shared": false
      },
      {
        "name": "Kentucky Bond Development Corp., Series A",
        "value": "575936.10",
        "weight": "0.00783392",
        "shared": false
      },
      {
        "name": "CHERRY CREEK SD#5",
        "value": "575706.85",
        "weight": "0.00783080",
        "shared": false
      },
      {
        "name": "GTR ASHEVILLE REGL ARPT AUTH N REGD B/E AMT AG 5.25000000",
        "value": "549841.00",
        "weight": "0.00747897",
        "shared": false
      },
      {
        "name": "California Community Choice Financing Authority, Series F",
        "value": "548866.50",
        "weight": "0.00746572",
        "shared": false
      },
      {
        "name": "PENNSYLVANIA ST TURNPIKE COMMISSION TURNPIKE REVENUE",
        "value": "548835.85",
        "weight": "0.00746530",
        "shared": false
      },
      {
        "name": "PENNSYLVANIA ST ECON DEV FING REGD B/E AMT AG 5.50000000",
        "value": "545506.40",
        "weight": "0.00742001",
        "shared": false
      },
      {
        "name": "State of Minnesota 4.00% 08/01/2041",
        "value": "519783.60",
        "weight": "0.00707013",
        "shared": false
      },
      {
        "name": "NORTH ALLEGHENY PA SC",
        "value": "517393.05",
        "weight": "0.00703761",
        "shared": false
      },
      {
        "name": "NYC HSG DEV CORP-F-2",
        "value": "505958.35",
        "weight": "0.00688208",
        "shared": false
      },
      {
        "name": "SANTA NM 3.29% 12/10/2049 MT",
        "value": "504510.30",
        "weight": "0.00686238",
        "shared": false
      },
      {
        "name": "PENNSYLVANIA ST ECON DEV FING REGD B/E AMT 5.00000000",
        "value": "502491.85",
        "weight": "0.00683493",
        "shared": false
      },
      {
        "name": "CALIFORNIA COMMUNITY VAR",
        "value": "488218.46",
        "weight": "0.00664078",
        "shared": false
      },
      {
        "name": "BLACK BELT ENERGY GAS DIST AL GAS PROJECT REVENUE",
        "value": "469192.35",
        "weight": "0.00638198",
        "shared": false
      },
      {
        "name": "Fulton (County of), GA Development Authority (Georgia Institute of Technology), Series 2019, RB",
        "value": "447686.46",
        "weight": "0.00608946",
        "shared": false
      },
      {
        "name": "HOUSTON TX ARPT SYS REVENUE REGD B/E AMT 5.25000000",
        "value": "444149.82",
        "weight": "0.00604135",
        "shared": false
      },
      {
        "name": "Public Energy Authority of Kentucky, Gas Supply Revenue Bonds, Series 2025B",
        "value": "394264.45",
        "weight": "0.00536281",
        "shared": true
      },
      {
        "name": "PROVIDENCE RI PUBLIC BLDGS AUTH REVENUE",
        "value": "385263.04",
        "weight": "0.00524037",
        "shared": false
      },
      {
        "name": "ROCKLAND CNTY NY SOL WST MGMT AUTH",
        "value": "381496.80",
        "weight": "0.00518914",
        "shared": false
      },
      {
        "name": "MAIN STR NAT GA 5% MT",
        "value": "378781.37",
        "weight": "0.00515221",
        "shared": false
      },
      {
        "name": "Los Angeles (City of), CA Department of Airports (Los Angeles International Airport), Series 2018 A, RB",
        "value": "365360.94",
        "weight": "0.00496966",
        "shared": false
      },
      {
        "name": "N ORLEANS AVIAT 5% 1/1/2036@",
        "value": "360164.97",
        "weight": "0.00489899",
        "shared": false
      },
      {
        "name": "METROHEALTH SYSTEM 5.5% 02-15-52",
        "value": "346519.60",
        "weight": "0.00471338",
        "shared": false
      },
      {
        "name": "COOK CNTY IL CMNTY SCH DIST #152 1/2 HAZEL CREST",
        "value": "344323.26",
        "weight": "0.00468351",
        "shared": false
      },
      {
        "name": "Omaha Airport Authority",
        "value": "337127.43",
        "weight": "0.00458563",
        "shared": false
      },
      {
        "name": "PUBLIC FIN AUTH WI REVENUE",
        "value": "337075.52",
        "weight": "0.00458492",
        "shared": false
      },
      {
        "name": "STHRN ILLINOIS ST UNIV",
        "value": "333782.21",
        "weight": "0.00454013",
        "shared": false
      },
      {
        "name": "CENTRL TX REGL MOBILITY AUTH REVENUE",
        "value": "333300.19",
        "weight": "0.00453357",
        "shared": false
      },
      {
        "name": "PUERTO RICO ELEC PWR AUTH PWRREVENUE",
        "value": "332263.43",
        "weight": "0.00451947",
        "shared": false
      },
      {
        "name": "Miami County Unified School District No 367 Osawatomie     5.250%  09/01/2042",
        "value": "328437.87",
        "weight": "0.00446743",
        "shared": false
      },
      {
        "name": "CHESAPEAKE VA HOSP AUTH HOSP FAC REVENUE",
        "value": "325167.81",
        "weight": "0.00442295",
        "shared": false
      },
      {
        "name": "PK CREEK MET DIST-REF",
        "value": "321069.87",
        "weight": "0.00436721",
        "shared": false
      },
      {
        "name": "LAWTON OK INDL DEV AUTH SALES TAX REVENUE",
        "value": "320865.30",
        "weight": "0.00436443",
        "shared": false
      },
      {
        "name": "RAMPART RANGE CO MET DIST #1 LIMITED TAX SUPPORTED & SPL REV",
        "value": "317772.51",
        "weight": "0.00432236",
        "shared": false
      },
      {
        "name": "MASSACHUSETTS ST EDUCTNL FING AUTH",
        "value": "317098.02",
        "weight": "0.00431319",
        "shared": false
      },
      {
        "name": "PENNSYLVANIA ST ECON DEV FING PASMED 03/60 ADJUSTABLE VAR",
        "value": "310811.90",
        "weight": "0.00422768",
        "shared": false
      },
      {
        "name": "GRAND PKWY TRANSPRTN",
        "value": "310065.69",
        "weight": "0.00421753",
        "shared": false
      },
      {
        "name": "RESTRUCTURED-SER A1",
        "value": "306984.12",
        "weight": "0.00417562",
        "shared": false
      },
      {
        "name": "MAINE HLTH & HGR EDUCTNL FACS AUTH REVENUE",
        "value": "302355.96",
        "weight": "0.00411266",
        "shared": false
      },
      {
        "name": "COMMERCE SCHOOL DISTRICT",
        "value": "300067.83",
        "weight": "0.00408154",
        "shared": false
      },
      {
        "name": "UT SALAPT 5 07/01/2042",
        "value": "299715.49",
        "weight": "0.00407675",
        "shared": false
      },
      {
        "name": "METROCARE SERVICES TX REVENUE",
        "value": "296998.54",
        "weight": "0.00403979",
        "shared": false
      },
      {
        "name": "GRAND RIVER CO HOSP DIST",
        "value": "294956.28",
        "weight": "0.00401201",
        "shared": false
      },
      {
        "name": "New York Transportation Development Corp., Series 2025",
        "value": "289840.85",
        "weight": "0.00394243",
        "shared": false
      },
      {
        "name": "SOUTH CAROLINA ST JOBS-ECON DEV AUTH HLTH FACS REVENUE",
        "value": "286176.85",
        "weight": "0.00389260",
        "shared": false
      },
      {
        "name": "WYOMING MI PUBLIC SCHS",
        "value": "283499.98",
        "weight": "0.00385618",
        "shared": false
      },
      {
        "name": "MASSACHUSET REV 5% 7/1/2041",
        "value": "282728.95",
        "weight": "0.00384570",
        "shared": false
      }
    ],
    "b_top": [
      {
        "name": "(PIPA070) PGIM Core Government Money Market Fund",
        "value": "2308722.23",
        "weight": "0.05333242",
        "shared": false
      },
      {
        "name": "ILL ST TOLL 5% 1/1/45",
        "value": "1169584.83",
        "weight": "0.02701788",
        "shared": false
      },
      {
        "name": "Wisconsin (State of) Public Finance Authority (Aurora Integrated Oncology Foundation), Series 2023, RB",
        "value": "1122504.96",
        "weight": "0.02593032",
        "shared": false
      },
      {
        "name": "Public Energy Authority of Kentucky, Gas Supply Revenue Bonds, Refunding Series 2024A-1",
        "value": "1097925.42",
        "weight": "0.02536252",
        "shared": false
      },
      {
        "name": "Black Belt Energy Gas District, Series D-1",
        "value": "1070046.69",
        "weight": "0.02471851",
        "shared": false
      },
      {
        "name": "UT CNTY UT HOSP 0% 5/15/2043",
        "value": "1058821.79",
        "weight": "0.02445921",
        "shared": false
      },
      {
        "name": "ISHARES NATIONAL MUNI BOND ETF ISHARES NATIONAL MUNI BOND E",
        "value": "1053256.40",
        "weight": "0.02433065",
        "shared": true
      },
      {
        "name": "NH NFADEV 01/20/2041",
        "value": "1002219.78",
        "weight": "0.02315168",
        "shared": true
      },
      {
        "name": "Wisconsin (State of) Public Finance Authority (KU Campus Development Corp. -Central District Development), Series 2016, RB",
        "value": "1000329.67",
        "weight": "0.02310802",
        "shared": false
      },
      {
        "name": "NH NFADEV 11/20/2042",
        "value": "999479.38",
        "weight": "0.02308838",
        "shared": false
      },
      {
        "name": "NY LIBERTY DEV CORP",
        "value": "992524.13",
        "weight": "0.02292771",
        "shared": false
      },
      {
        "name": "District of Columbia, Series D",
        "value": "978288.33",
        "weight": "0.02259886",
        "shared": false
      },
      {
        "name": "New Hampshire (State of) Business Finance Authority (Social Certificates), Series 2024-1A, RB",
        "value": "923962.75",
        "weight": "0.02134391",
        "shared": false
      },
      {
        "name": "PUBLIC FIN AUTH WI SPL REVENUE",
        "value": "901546.46",
        "weight": "0.02082609",
        "shared": false
      },
      {
        "name": "VLG FL CDD #13 SPL ASSMNT REVE REGD B/E 3.25000000",
        "value": "897511.32",
        "weight": "0.02073287",
        "shared": false
      },
      {
        "name": "Public Energy Auth. of Kentucky Gas Supply Rev. Refg. C",
        "value": "824782.22",
        "weight": "0.01905280",
        "shared": false
      },
      {
        "name": "PUBLIC FIN AUTH WI REVENUE REGD V/R OID B/E 4.00000000",
        "value": "805040.65",
        "weight": "0.01859676",
        "shared": false
      },
      {
        "name": "OHIO VALLEY ELECTRIC CORP 3.875% 01-01-36",
        "value": "683137.27",
        "weight": "0.01578075",
        "shared": false
      },
      {
        "name": "PUBLIC FIN AUTH WI SPL REVENUE REGD B/E 5.37500000",
        "value": "673841.83",
        "weight": "0.01556602",
        "shared": false
      },
      {
        "name": "PORT OF PORTLAND OR ARPT REVEN REGD B/E AMT 5.00000000",
        "value": "658211.88",
        "weight": "0.01520496",
        "shared": false
      },
      {
        "name": "MAIN STR NAT GA 5% 5/1/2055 MT",
        "value": "656963.39",
        "weight": "0.01517612",
        "shared": true
      },
      {
        "name": "CHICAGO IL BRD OF EDU",
        "value": "627483.65",
        "weight": "0.01449513",
        "shared": false
      },
      {
        "name": "SOUTHEAST ENERGY-D",
        "value": "618200.81",
        "weight": "0.01428069",
        "shared": false
      },
      {
        "name": "OT FEDMFH 10/25/2040",
        "value": "587834.99",
        "weight": "0.01357923",
        "shared": false
      },
      {
        "name": "WI WIS 5 05/01/2035",
        "value": "574448.59",
        "weight": "0.01326999",
        "shared": false
      },
      {
        "name": "EDUCATIONAL GROWTH FUND LLC 0.0% 07-01-61",
        "value": "567255.20",
        "weight": "0.01310382",
        "shared": false
      },
      {
        "name": "WEYERHAEUSER CO (MPT) 3.875% 10-15-65",
        "value": "559097.71",
        "weight": "0.01291538",
        "shared": true
      },
      {
        "name": "Chicago O'Hare International Airport",
        "value": "557426.34",
        "weight": "0.01287677",
        "shared": false
      },
      {
        "name": "CA CCEDEV 5 03/01/2036",
        "value": "543763.77",
        "weight": "0.01256116",
        "shared": true
      },
      {
        "name": "Public Energy Authority of Kentucky, Gas Supply Revenue Bonds, Series 2025B",
        "value": "532401.85",
        "weight": "0.01229870",
        "shared": true
      },
      {
        "name": "GFL SOLID WASTE SOUTHEAST LLC (MPT) 4.375% 10-01-54",
        "value": "511584.93",
        "weight": "0.01181782",
        "shared": false
      },
      {
        "name": "ST JAMES PARISH",
        "value": "506850.89",
        "weight": "0.01170846",
        "shared": false
      },
      {
        "name": "MAIN STR NAT GA 0% 8/1/2052",
        "value": "506683.35",
        "weight": "0.01170459",
        "shared": false
      },
      {
        "name": "TOBACCO SETTLEMENT FING CORP NJ",
        "value": "505761.99",
        "weight": "0.01168331",
        "shared": false
      },
      {
        "name": "TX EPFHSG 4 01/01/2037",
        "value": "501734.81",
        "weight": "0.01159028",
        "shared": false
      },
      {
        "name": "PENNSYLVANIA ST ECON DEV FING PASDEV 08/37 ADJUSTABLE VAR",
        "value": "501391.03",
        "weight": "0.01158234",
        "shared": false
      },
      {
        "name": "WI PUBGEN 06/15/2063",
        "value": "499887.16",
        "weight": "0.01154760",
        "shared": false
      },
      {
        "name": "Public Finance Authority",
        "value": "499862.82",
        "weight": "0.01154703",
        "shared": false
      },
      {
        "name": "Wisconsin (State of) Public Finance Authority (Rans-Elevon), Series 2024, RB",
        "value": "472822.67",
        "weight": "0.01092239",
        "shared": false
      },
      {
        "name": "PENNSYLVANIA HIGHER EDUCATION ASSISTANCE AGENCY",
        "value": "418567.74",
        "weight": "0.00966908",
        "shared": false
      },
      {
        "name": "MET WASHINGTON DC ARPTS AUTH ARPT SYS REVENUE",
        "value": "414014.50",
        "weight": "0.00956390",
        "shared": false
      },
      {
        "name": "New Hampshire Business Finance Authority, Series 2024",
        "value": "400041.20",
        "weight": "0.00924111",
        "shared": false
      },
      {
        "name": "MI FIN AUTH-B-2-REF",
        "value": "388392.93",
        "weight": "0.00897203",
        "shared": false
      },
      {
        "name": "Puerto Rico Industrial Tourist Educational Medical & Envirml Ctl Facs Fing Auth",
        "value": "386127.69",
        "weight": "0.00891971",
        "shared": false
      },
      {
        "name": "WI PUBHSG 01/20/2041",
        "value": "372607.76",
        "weight": "0.00860739",
        "shared": false
      },
      {
        "name": "MAIN STR NAT GA(RCC) 5% 9/1/30MT 53",
        "value": "354942.13",
        "weight": "0.00819931",
        "shared": false
      },
      {
        "name": "New Hope Cultural Education Facilities Finance Corporation, Texas, Senior Living Revenue Bonds, Sanctuary LTC LLC Project, Series 2021A-1",
        "value": "353862.59",
        "weight": "0.00817437",
        "shared": false
      },
      {
        "name": "NY TRANS CORP 5% 1/1/2029 @",
        "value": "352961.18",
        "weight": "0.00815355",
        "shared": true
      },
      {
        "name": "TARRANT TX EDFC 5% 11/15/2051 MT",
        "value": "348919.83",
        "weight": "0.00806019",
        "shared": false
      },
      {
        "name": "Wayne County Airport Authority, Series 2025 B",
        "value": "343754.01",
        "weight": "0.00794086",
        "shared": false
      }
    ]
  },
  "error": null,
  "sources": [
    {
      "label": "N-PORT (fund A)",
      "accession_no": "0001410368-26-040051",
      "as_of": "2026-02-28",
      "edgar_url": "https://www.sec.gov/Archives/edgar/data/2018846/000141036826040051/0001410368-26-040051-index.htm"
    },
    {
      "label": "N-PORT (fund B)",
      "accession_no": "0000940400-26-014279",
      "as_of": "2026-02-27",
      "edgar_url": "https://www.sec.gov/Archives/edgar/data/1727074/000094040026014279/0000940400-26-014279-index.htm"
    }
  ]
}