{
  "page": "compare",
  "query": {
    "a": "WTAIX",
    "b": "PRFSX"
  },
  "retrieved_at": "2026-07-07T16:45:13+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": "Wilmington Municipal Bond Fund",
    "ticker": "WTAIX",
    "slug": "WTAIX",
    "series_id": "S000034846",
    "html_url": "https://fundwatcher.app/funds/WTAIX/"
  },
  "fund_b": {
    "name": "T. Rowe Price Tax-Free Short-Intermediate Fund, Inc.",
    "ticker": "PRFSX",
    "slug": "PRFSX",
    "series_id": "S000002165",
    "html_url": "https://fundwatcher.app/funds/PRFSX/"
  },
  "overlap": {
    "coverage_a_by_b": "0.03596773900014530035059788447",
    "coverage_b_by_a": "0.03596773900014530035059788447",
    "shared_count": 8,
    "as_of": {
      "a": "2026-01-30",
      "b": "2026-02-28"
    },
    "a_top": [
      {
        "name": "SALT LAKE CNTY UT HOSP REVENUE SLKMED 02/33 FIXED OID 5.125",
        "value": "5232052.37",
        "weight": "0.01420284",
        "shared": false
      },
      {
        "name": "NORTH CAROLINA ST MUNI PWR AGY #1 CATAWBA ELEC REVENUE",
        "value": "4623768.38",
        "weight": "0.01255161",
        "shared": false
      },
      {
        "name": "GEORGIA ST LOCAL GOVT COPS",
        "value": "4488628.81",
        "weight": "0.01218476",
        "shared": false
      },
      {
        "name": "GNSVLL and HLL GA 5% 10/15/2034",
        "value": "4420929.05",
        "weight": "0.01200098",
        "shared": false
      },
      {
        "name": "Public Energy Authority of Kentucky, Gas Supply Revenue Bonds, Series 2019C-1",
        "value": "4063268.80",
        "weight": "0.01103008",
        "shared": true
      },
      {
        "name": "State of Texas",
        "value": "4025609.52",
        "weight": "0.01092785",
        "shared": false
      },
      {
        "name": "CLEVELAND ETC PORT",
        "value": "4024350.40",
        "weight": "0.01092444",
        "shared": false
      },
      {
        "name": "CENTRL PUGET SOUND WA REGL TRA CEPTRN 02/28 FIXED OID 4.75",
        "value": "4016737.39",
        "weight": "0.01090377",
        "shared": false
      },
      {
        "name": "MUNIBOND",
        "value": "3755868.90",
        "weight": "0.01019562",
        "shared": false
      },
      {
        "name": "PROSPER ISD",
        "value": "3734688.00",
        "weight": "0.01013812",
        "shared": false
      },
      {
        "name": "City of Mesa, Series C",
        "value": "3560749.80",
        "weight": "0.00966595",
        "shared": false
      },
      {
        "name": "TX TRANSPRTN-C-REF",
        "value": "3542347.16",
        "weight": "0.00961600",
        "shared": false
      },
      {
        "name": "TX PRIVATE ACTIVITY-A",
        "value": "3517472.00",
        "weight": "0.00954847",
        "shared": false
      },
      {
        "name": "Canadian (County of), OK Educational Facilities Authority (Mustang Public Schools), Series 2023, RB",
        "value": "3489095.70",
        "weight": "0.00947144",
        "shared": false
      },
      {
        "name": "ENERGY NW/WPPS 5% 7/1/2033",
        "value": "3439510.50",
        "weight": "0.00933684",
        "shared": false
      },
      {
        "name": "TX TRANSPRTN-C-REF",
        "value": "3407196.00",
        "weight": "0.00924912",
        "shared": false
      },
      {
        "name": "Clark County School District",
        "value": "3377280.00",
        "weight": "0.00916791",
        "shared": false
      },
      {
        "name": "Nashville (City of) & Davidson (County of), TN Metropolitan Government Health & Educational Facilities Board (The) (Vanderbilt Univ Medical Center)",
        "value": "3314525.40",
        "weight": "0.00899756",
        "shared": true
      },
      {
        "name": "New York Transportation Development Corp., Series 2022",
        "value": "3307653.30",
        "weight": "0.00897890",
        "shared": false
      },
      {
        "name": "SOUTHEST ENERGY (BP) 5.25% 11/1/35 MT",
        "value": "3297248.10",
        "weight": "0.00895066",
        "shared": false
      },
      {
        "name": "Connecticut State Health & Educational Facilities Authority, Series M",
        "value": "3287658.30",
        "weight": "0.00892462",
        "shared": false
      },
      {
        "name": "American Municipal Power, Inc., Series 2021A",
        "value": "3272846.10",
        "weight": "0.00888441",
        "shared": false
      },
      {
        "name": "State of Illinois Sales Tax, Series 2024C",
        "value": "3240618.90",
        "weight": "0.00879693",
        "shared": false
      },
      {
        "name": "Main Street Natural Gas, Inc., Series 2025B",
        "value": "3225757.80",
        "weight": "0.00875659",
        "shared": false
      },
      {
        "name": "Southeast Alabama Gas Supply District (The), Series A",
        "value": "3218269.50",
        "weight": "0.00873626",
        "shared": false
      },
      {
        "name": "DELAWARE VLY PA REGL FIN AUTH DLVGEN 03/35 FIXED 4",
        "value": "3203574.60",
        "weight": "0.00869637",
        "shared": false
      },
      {
        "name": "MONTGOMERY CNTY OH HO",
        "value": "3199747.08",
        "weight": "0.00868598",
        "shared": false
      },
      {
        "name": "MAIN STR NAT GA 5% MT",
        "value": "3186108.90",
        "weight": "0.00864896",
        "shared": false
      },
      {
        "name": "COLORADO ST HLTH FACS AUTH REV REGD V/R B/E 5.00000000",
        "value": "3180971.40",
        "weight": "0.00863501",
        "shared": false
      },
      {
        "name": "City of Chicago, Series A",
        "value": "3175208.40",
        "weight": "0.00861937",
        "shared": false
      },
      {
        "name": "Clark County School District No 114 Evergreen",
        "value": "3155642.40",
        "weight": "0.00856626",
        "shared": false
      },
      {
        "name": "LAS VEGAS VALLEY WATER DISTRICT 4.0% 06-01-37",
        "value": "3138805.20",
        "weight": "0.00852055",
        "shared": false
      },
      {
        "name": "SLT LAKE U 5% 7/1/2032 @",
        "value": "3136887.30",
        "weight": "0.00851534",
        "shared": false
      },
      {
        "name": "State of Illinois, Series D",
        "value": "3120924.90",
        "weight": "0.00847201",
        "shared": true
      },
      {
        "name": "ROCHSTR MN HLTH 4% 11/15/2039",
        "value": "3098338.50",
        "weight": "0.00841070",
        "shared": false
      },
      {
        "name": "Idaho Housing & Finance Association",
        "value": "3097837.80",
        "weight": "0.00840934",
        "shared": false
      },
      {
        "name": "MAIN STR NAT GA 4% 07/01/2052 MT",
        "value": "3047999.70",
        "weight": "0.00827405",
        "shared": true
      },
      {
        "name": "CHIC IL OHARE SER D 5% 1/1/34@",
        "value": "3046714.50",
        "weight": "0.00827056",
        "shared": false
      },
      {
        "name": "St. John the Baptist (Parish of), LA (Marathon Oil Corp.), Series 2017, Ref. RB",
        "value": "3036923.70",
        "weight": "0.00824398",
        "shared": true
      },
      {
        "name": "Public Energy Authority of Kentucky, Gas Supply Revenue Bonds, Series 2022A-1",
        "value": "3025404.30",
        "weight": "0.00821271",
        "shared": false
      },
      {
        "name": "UNIV OF ILLINOIS IL REVENUES",
        "value": "3003199.50",
        "weight": "0.00815244",
        "shared": false
      },
      {
        "name": "PIEDMONT MUNI PWR AGY",
        "value": "2908292.23",
        "weight": "0.00789480",
        "shared": false
      },
      {
        "name": "SALT LAKE CNTY UT HOSP REVENUE",
        "value": "2898206.61",
        "weight": "0.00786742",
        "shared": false
      },
      {
        "name": "State of Connecticut",
        "value": "2892229.74",
        "weight": "0.00785120",
        "shared": false
      },
      {
        "name": "New York State Dormitory Authority",
        "value": "2835776.25",
        "weight": "0.00769795",
        "shared": false
      },
      {
        "name": "Clifton Higher Education Finance Corp",
        "value": "2805080.00",
        "weight": "0.00761462",
        "shared": false
      },
      {
        "name": "PHILADELPHIA HOSP-REF",
        "value": "2787292.50",
        "weight": "0.00756634",
        "shared": false
      },
      {
        "name": "NY MTA TRANSP 5% 11/15/2039",
        "value": "2752952.00",
        "weight": "0.00747312",
        "shared": false
      },
      {
        "name": "DENVER CO ARPT 5% 12/1/2031 @",
        "value": "2640531.50",
        "weight": "0.00716794",
        "shared": true
      },
      {
        "name": "County of Carter TN",
        "value": "2626906.25",
        "weight": "0.00713096",
        "shared": false
      }
    ],
    "b_top": [
      {
        "name": "RESTRUCTURED-SER A1",
        "value": "19887160.89",
        "weight": "0.01447677",
        "shared": false
      },
      {
        "name": "NY TRANS FIN AUTH-D-1",
        "value": "17158633.50",
        "weight": "0.01249055",
        "shared": false
      },
      {
        "name": "TARRANT TX EDFC 5% MT",
        "value": "15850114.16",
        "weight": "0.01153802",
        "shared": false
      },
      {
        "name": "BLACK BELT ENERGY GAS VAR",
        "value": "15462585.20",
        "weight": "0.01125592",
        "shared": false
      },
      {
        "name": "PUERTO RICO SALES TAX FING COR PUERTO RICO SALES TAX FINANCING CORP SALES TAX REV",
        "value": "13856988.31",
        "weight": "0.01008713",
        "shared": false
      },
      {
        "name": "MAIN STR NAT GA 4% MT",
        "value": "12834162.19",
        "weight": "0.00934257",
        "shared": false
      },
      {
        "name": "MO HLTH & EDU FACS AU",
        "value": "12665788.80",
        "weight": "0.00922000",
        "shared": false
      },
      {
        "name": "RESTRUCTURED-SER A1",
        "value": "12554353.82",
        "weight": "0.00913889",
        "shared": false
      },
      {
        "name": "CHARLOTTE-MECKLENBURG NC HOSP REGD V/R B/E 5.00000000",
        "value": "12540741.05",
        "weight": "0.00912898",
        "shared": false
      },
      {
        "name": "Public Energy Authority of Kentucky, Gas Supply Revenue Bonds, Series 2019C-1",
        "value": "11579968.12",
        "weight": "0.00842959",
        "shared": true
      },
      {
        "name": "EQUITABLE SCHOOL REVOLVING FUND LLC OBLIGATED GROUP 5.0% 11-01-28",
        "value": "10591911.86",
        "weight": "0.00771033",
        "shared": false
      },
      {
        "name": "Southeast Energy Authority, Alabama, Commodity Supply Revenue Bonds, Project 2, Series 2021B-1",
        "value": "10458708.00",
        "weight": "0.00761337",
        "shared": false
      },
      {
        "name": "State of Maryland, Series 2018-2",
        "value": "10366554.36",
        "weight": "0.00754629",
        "shared": false
      },
      {
        "name": "State of Colorado, Series 2020A",
        "value": "9969468.42",
        "weight": "0.00725723",
        "shared": false
      },
      {
        "name": "CHICAGO MIDWAY INTERNATIONAL AIRPORT 5.0% 01-01-30",
        "value": "9780169.50",
        "weight": "0.00711943",
        "shared": false
      },
      {
        "name": "SAN FRANCISCO CITY & COUNTY AIRPORT COMM-SAN FRANCISCO INTERNATIONAL AIRPORT",
        "value": "9764016.03",
        "weight": "0.00710767",
        "shared": false
      },
      {
        "name": "State of New Jersey, Series 2020A",
        "value": "9628496.48",
        "weight": "0.00700902",
        "shared": false
      },
      {
        "name": "COLORADO ST HLTH FACS AUTH REV REGD V/R B/E 5.00000000",
        "value": "9615365.72",
        "weight": "0.00699946",
        "shared": false
      },
      {
        "name": "CALIFORNIA ST INFRASTRUCTURE & REGD B/E 3.25000000",
        "value": "9600411.11",
        "weight": "0.00698858",
        "shared": false
      },
      {
        "name": "MET WASHINGTON DC ARPTS AUTH ARPT SYS REVENUE",
        "value": "9086063.88",
        "weight": "0.00661416",
        "shared": false
      },
      {
        "name": "BLACK BELT ENERGY GAS VAR",
        "value": "8856034.63",
        "weight": "0.00644671",
        "shared": false
      },
      {
        "name": "BLACK BELT ENERGY GAS VAR",
        "value": "8569854.49",
        "weight": "0.00623839",
        "shared": true
      },
      {
        "name": "ARLNGTN VA IDA 5% MT",
        "value": "8239880.25",
        "weight": "0.00599818",
        "shared": false
      },
      {
        "name": "MAIN STR NAT GA 4% 07/01/2052 MT",
        "value": "8169793.89",
        "weight": "0.00594716",
        "shared": true
      },
      {
        "name": "MARYLAND ST HLTH & HGR EDUCTNL REGD V/R B/E 5.00000000",
        "value": "7955625.45",
        "weight": "0.00579126",
        "shared": false
      },
      {
        "name": "Harris County Cultural Education Facilities Finance Corp. (Memorial Hermann Health System), Series 2024, Ref. RB",
        "value": "7885213.70",
        "weight": "0.00574001",
        "shared": false
      },
      {
        "name": "CHARLOTTE-MECKLENBURG NC HOSP CHARLOTTE-MECKLENBURG HOSPITAL AUTHORITY/THE",
        "value": "7884520.00",
        "weight": "0.00573950",
        "shared": false
      },
      {
        "name": "MUNIBOND",
        "value": "7847833.86",
        "weight": "0.00571280",
        "shared": false
      },
      {
        "name": "CYPRESS-FAIRBANKS TX INDEP SCH DIST",
        "value": "7757332.10",
        "weight": "0.00564692",
        "shared": false
      },
      {
        "name": "CT HLTH & EDU AUTH-B",
        "value": "7674581.94",
        "weight": "0.00558668",
        "shared": false
      },
      {
        "name": "CHICAGO O'HARE INTERNATIONAL AIRPORT",
        "value": "7649521.50",
        "weight": "0.00556843",
        "shared": false
      },
      {
        "name": "Nashville (City of) & Davidson (County of), TN Metropolitan Government Health & Educational Facilities Board (The) (Vanderbilt Univ Medical Center)",
        "value": "7521699.93",
        "weight": "0.00547539",
        "shared": true
      },
      {
        "name": "MD EDC 0% 10/1/2036 MT",
        "value": "7209753.60",
        "weight": "0.00524831",
        "shared": false
      },
      {
        "name": "MEMORIAL HERMANN HEALTH SYSTEM OBLIGATED GROUP (MPT) 5.0% 06-01-32",
        "value": "7170674.37",
        "weight": "0.00521986",
        "shared": false
      },
      {
        "name": "PUERTO RICO COMMONWEALTH AQUEDUCT & SEWER AUTHORITY",
        "value": "7156825.92",
        "weight": "0.00520978",
        "shared": false
      },
      {
        "name": "GREAT LAKES WATER AUTHORITY SEWAGE DISPOSAL SYSTEM REVENUE",
        "value": "7134400.78",
        "weight": "0.00519345",
        "shared": false
      },
      {
        "name": "NY TRANS CORP 5% 1/1/2027 @",
        "value": "7119854.00",
        "weight": "0.00518287",
        "shared": false
      },
      {
        "name": "PORT OF PORTLAND OR AIRPORT REVENUE",
        "value": "7053768.35",
        "weight": "0.00513476",
        "shared": false
      },
      {
        "name": "California (State of) Community Choice Financing Authority (Green Bonds), Series 2023, RB",
        "value": "7032896.56",
        "weight": "0.00511957",
        "shared": false
      },
      {
        "name": "Black Belt Energy Gas District (The), Series 2023 B, RB",
        "value": "6975011.77",
        "weight": "0.00507743",
        "shared": false
      },
      {
        "name": "LONG ISLAND PWR-B",
        "value": "6932754.99",
        "weight": "0.00504667",
        "shared": false
      },
      {
        "name": "MA ST DEV FIN AGY-A-1",
        "value": "6925017.60",
        "weight": "0.00504104",
        "shared": false
      },
      {
        "name": "GA PWR - SOUTHERN CO 18-1 V1",
        "value": "6800000.00",
        "weight": "0.00495003",
        "shared": false
      },
      {
        "name": "PORT SEATTLE 5% 7/1/2029 @",
        "value": "6658584.09",
        "weight": "0.00484709",
        "shared": false
      },
      {
        "name": "PUERTO RICO SALES TAX FING CORP SALES TAX REVENUE",
        "value": "6607187.18",
        "weight": "0.00480967",
        "shared": false
      },
      {
        "name": "SOUTHEAST ENERGY-E",
        "value": "6538928.40",
        "weight": "0.00475998",
        "shared": false
      },
      {
        "name": "MASSACHUSETTS ST HSG FIN AGY MASHSG 12/29 FIXED 3.55",
        "value": "6507652.09",
        "weight": "0.00473722",
        "shared": false
      },
      {
        "name": "State of Illinois, Series C",
        "value": "6496013.47",
        "weight": "0.00472874",
        "shared": false
      },
      {
        "name": "RESTRUCTURED-SER A1",
        "value": "6415556.61",
        "weight": "0.00467018",
        "shared": false
      },
      {
        "name": "SHANDS TEACHING HOSP OBL",
        "value": "6356763.52",
        "weight": "0.00462738",
        "shared": false
      }
    ]
  },
  "error": null,
  "sources": [
    {
      "label": "N-PORT (fund A)",
      "accession_no": "0000940400-26-011786",
      "as_of": "2026-01-30",
      "edgar_url": "https://www.sec.gov/Archives/edgar/data/830744/000094040026011786/0000940400-26-011786-index.htm"
    },
    {
      "label": "N-PORT (fund B)",
      "accession_no": "0001099263-26-004382",
      "as_of": "2026-02-28",
      "edgar_url": "https://www.sec.gov/Archives/edgar/data/730200/000109926326004382/0001099263-26-004382-index.htm"
    }
  ]
}