{
  "page": "compare",
  "query": {
    "a": "CSMYX",
    "b": "ASTEX"
  },
  "retrieved_at": "2026-07-07T14:56:11+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": "Columbia Short Duration Municipal Bond Fund",
    "ticker": "CSMYX",
    "slug": "CSMYX",
    "series_id": "S000010778",
    "html_url": "https://fundwatcher.app/funds/CSMYX/"
  },
  "fund_b": {
    "name": "American Funds Short-Term Tax-Exempt Bond Fund",
    "ticker": "ASTEX",
    "slug": "ASTEX",
    "series_id": "S000009233",
    "html_url": "https://fundwatcher.app/funds/ASTEX/"
  },
  "overlap": {
    "coverage_a_by_b": "0.04370808546474102089015185236",
    "coverage_b_by_a": "0.04370808546474102089015185236",
    "shared_count": 24,
    "as_of": {
      "a": "2026-01-31",
      "b": "2026-01-31"
    },
    "a_top": [
      {
        "name": "San Francisco City & County Airport Comm-San Francisco International Airport",
        "value": "5258672.50",
        "weight": "0.01750954",
        "shared": false
      },
      {
        "name": "PORT NY NJ 5% 9/15/2029@",
        "value": "5196001.00",
        "weight": "0.01730086",
        "shared": false
      },
      {
        "name": "OKLAHOMA ST INDUSTRIES AUTH ED REGD N/C B/E 5.00000000",
        "value": "4555975.60",
        "weight": "0.01516980",
        "shared": false
      },
      {
        "name": "NJ STUD LOAN 5% 12/1/2028 @",
        "value": "4216735.60",
        "weight": "0.01404025",
        "shared": false
      },
      {
        "name": "NEW YORK NY REGD N/C B/E 5.00000000",
        "value": "4161268.00",
        "weight": "0.01385556",
        "shared": false
      },
      {
        "name": "State of Illinois",
        "value": "3939652.85",
        "weight": "0.01311766",
        "shared": false
      },
      {
        "name": "HOUSTON TX ARPT SYS REVENUE",
        "value": "3589582.10",
        "weight": "0.01195205",
        "shared": false
      },
      {
        "name": "NEW YORK ST DORM AUTH ST PERSONAL INCOME TAX REVENUE",
        "value": "3510304.85",
        "weight": "0.01168808",
        "shared": false
      },
      {
        "name": "GEISINGER PA AUTH HLTH SYS REV GEISINGER AUTHORITY",
        "value": "3394449.48",
        "weight": "0.01130233",
        "shared": false
      },
      {
        "name": "LOS ANGELES UNIF SD-A",
        "value": "3311622.30",
        "weight": "0.01102654",
        "shared": false
      },
      {
        "name": "LONG ISLAND PWR-F-REF",
        "value": "3290029.20",
        "weight": "0.01095464",
        "shared": false
      },
      {
        "name": "SOUTHEAST ENERGY-E",
        "value": "3257120.10",
        "weight": "0.01084507",
        "shared": false
      },
      {
        "name": "Los Angeles (City of), CA, Series 2025, RN",
        "value": "3236671.68",
        "weight": "0.01077698",
        "shared": true
      },
      {
        "name": "WASHINGTON ST HLTH CARE FACS AUTH",
        "value": "3234021.90",
        "weight": "0.01076816",
        "shared": false
      },
      {
        "name": "PORT NY NJ 5% 9/1/2028 @",
        "value": "3175604.10",
        "weight": "0.01057365",
        "shared": true
      },
      {
        "name": "NJ TPK AUTH-B",
        "value": "3050655.98",
        "weight": "0.01015761",
        "shared": false
      },
      {
        "name": "INDIANA ST FIN AUTH ENVRNMNTL REVENUE",
        "value": "3041305.80",
        "weight": "0.01012648",
        "shared": false
      },
      {
        "name": "MANOR HSG PUBLIC FAC CORP TX M MNRMFH 11/42 ADJUSTABLE VAR",
        "value": "3030525.60",
        "weight": "0.01009059",
        "shared": false
      },
      {
        "name": "PIONEER VLY TRANSIT",
        "value": "3016359.00",
        "weight": "0.01004342",
        "shared": false
      },
      {
        "name": "PEFA INC VAR",
        "value": "2903991.42",
        "weight": "0.00966927",
        "shared": true
      },
      {
        "name": "NEW YORK NY",
        "value": "2850000.00",
        "weight": "0.00948950",
        "shared": false
      },
      {
        "name": "FAIRFAX C VA 5% 1/1/2045 MT",
        "value": "2833301.90",
        "weight": "0.00943390",
        "shared": true
      },
      {
        "name": "UNIV OF TEXAS TX UNIV REVENUES",
        "value": "2670939.25",
        "weight": "0.00889329",
        "shared": false
      },
      {
        "name": "DENVER CITY & CNTY CO ARPT REVENUE",
        "value": "2660407.25",
        "weight": "0.00885822",
        "shared": true
      },
      {
        "name": "BLKR-LI MUNI-INS",
        "value": "2627786.97",
        "weight": "0.00874961",
        "shared": false
      },
      {
        "name": "TX MATPOL 4.25 05/01/2030",
        "value": "2619659.50",
        "weight": "0.00872255",
        "shared": false
      },
      {
        "name": "New York (City of), NY, Series 2023, A GO Bonds",
        "value": "2558608.63",
        "weight": "0.00851927",
        "shared": false
      },
      {
        "name": "Public Energy Authority of Kentucky, Gas Supply Revenue Bonds, Refunding Series 2025A",
        "value": "2553750.24",
        "weight": "0.00850309",
        "shared": true
      },
      {
        "name": "CHANDLER INDUSTRIAL D VAR",
        "value": "2550863.50",
        "weight": "0.00849348",
        "shared": false
      },
      {
        "name": "OH OHSDEV 11/01/2039",
        "value": "2539967.00",
        "weight": "0.00845720",
        "shared": true
      },
      {
        "name": "WISCONSIN ST HLTH & EDUCTNL FA WISCONSIN HEALTH & EDUCATIONAL FACILITIES AUTHORIT",
        "value": "2519651.50",
        "weight": "0.00838956",
        "shared": false
      },
      {
        "name": "MI ST HSG DEV AUTH-A",
        "value": "2501372.00",
        "weight": "0.00832869",
        "shared": false
      },
      {
        "name": "MI ST HSG DEV AUTH-A",
        "value": "2500231.50",
        "weight": "0.00832489",
        "shared": false
      },
      {
        "name": "LONG ISLAND PWR-B",
        "value": "2498650.25",
        "weight": "0.00831963",
        "shared": false
      },
      {
        "name": "WM S HART UHSD-B-CABS",
        "value": "2463294.00",
        "weight": "0.00820191",
        "shared": false
      },
      {
        "name": "MICHIGAN STATE FINANCE AUTHORITY",
        "value": "2462533.81",
        "weight": "0.00819937",
        "shared": false
      },
      {
        "name": "Great Lakes Water Authority Water Supply System, Series 2024A",
        "value": "2448094.73",
        "weight": "0.00815130",
        "shared": false
      },
      {
        "name": "BERGEN N Y",
        "value": "2413426.32",
        "weight": "0.00803586",
        "shared": false
      },
      {
        "name": "NH NHSMED 5 06/01/2035",
        "value": "2388146.80",
        "weight": "0.00795169",
        "shared": false
      },
      {
        "name": "KANSAS CITY MO INDL DEV AUTH",
        "value": "2303633.18",
        "weight": "0.00767029",
        "shared": false
      },
      {
        "name": "WASHINGTON (STATE OF)",
        "value": "2242981.95",
        "weight": "0.00746834",
        "shared": false
      },
      {
        "name": "MASSACHUSETTS ST SCH BLDG AUTH SALES TAX REVENUE",
        "value": "2222159.60",
        "weight": "0.00739901",
        "shared": false
      },
      {
        "name": "CALIFORNIA COMMUNITY VAR",
        "value": "2193805.20",
        "weight": "0.00730460",
        "shared": true
      },
      {
        "name": "PHILADELPHIA PA HSG AUTH",
        "value": "2169099.80",
        "weight": "0.00722234",
        "shared": false
      },
      {
        "name": "Pennsylvania Higher Education Assistance Agency, Series 2025-1A",
        "value": "2166480.00",
        "weight": "0.00721362",
        "shared": false
      },
      {
        "name": "UNITED AIRLINES INC 5.25% 07-15-33",
        "value": "2165831.60",
        "weight": "0.00721146",
        "shared": false
      },
      {
        "name": "DUVAL FL SD COP 5% 7/1/2026",
        "value": "2148254.94",
        "weight": "0.00715294",
        "shared": false
      },
      {
        "name": "SOUTHEAST ENERGY AUTH VAR",
        "value": "2138476.80",
        "weight": "0.00712038",
        "shared": true
      },
      {
        "name": "NJ HLTH CARE FACS FIN",
        "value": "2104596.40",
        "weight": "0.00700757",
        "shared": false
      },
      {
        "name": "MAIN STR NAT GA 5% 12/1/2052 MT",
        "value": "2096794.60",
        "weight": "0.00698159",
        "shared": false
      }
    ],
    "b_top": [
      {
        "name": "UTILITY-TE-2",
        "value": "22289480.00",
        "weight": "0.00962619",
        "shared": false
      },
      {
        "name": "UNIV OF MICHIGAN MI REGD V/R B/E 2.40000000",
        "value": "18600000.00",
        "weight": "0.00803281",
        "shared": false
      },
      {
        "name": "PEFA INC VAR",
        "value": "18563433.92",
        "weight": "0.00801701",
        "shared": true
      },
      {
        "name": "WASTE MANAGEMENT INC (MPT) 4.6% 10-01-46",
        "value": "17594710.00",
        "weight": "0.00759865",
        "shared": false
      },
      {
        "name": "CA STWD CMNTYS DEV-A",
        "value": "16689206.50",
        "weight": "0.00720759",
        "shared": false
      },
      {
        "name": "MS BUS FIN-VAR-J-CHEV",
        "value": "15300000.00",
        "weight": "0.00660763",
        "shared": false
      },
      {
        "name": "TRIBOROUGH NY BRIDGE & TUNNEL AUTH REVENUES",
        "value": "14800000.00",
        "weight": "0.00639169",
        "shared": false
      },
      {
        "name": "MUNIBOND",
        "value": "13649080.50",
        "weight": "0.00589465",
        "shared": false
      },
      {
        "name": "ARIZONA ST INDL DEV AUTH MF HS REGD V/R B/E 5.00000000",
        "value": "12679041.55",
        "weight": "0.00547571",
        "shared": false
      },
      {
        "name": "WASTE MANAGEMENT INC (MPT) 4.25% 06-01-48",
        "value": "11466338.65",
        "weight": "0.00495198",
        "shared": false
      },
      {
        "name": "SOUTHEAST ENERGY AUTH VAR",
        "value": "10777338.33",
        "weight": "0.00465442",
        "shared": true
      },
      {
        "name": "Los Angeles (City of), CA, Series 2025, RN",
        "value": "10115010.00",
        "weight": "0.00436838",
        "shared": true
      },
      {
        "name": "State of Georgia, Series 2022C",
        "value": "10074610.00",
        "weight": "0.00435093",
        "shared": false
      },
      {
        "name": "WASTE MANAGEMENT INC (MPT) 3.875% 08-01-38",
        "value": "10029470.00",
        "weight": "0.00433144",
        "shared": false
      },
      {
        "name": "HOUSTON TX UTILITY SYS REVENUE REGD V/R B/E 3.45000000",
        "value": "10000000.00",
        "weight": "0.00431871",
        "shared": false
      },
      {
        "name": "Public Energy Authority of Kentucky, Gas Supply Revenue Bonds, Refunding Series 2025A",
        "value": "9957705.23",
        "weight": "0.00430045",
        "shared": true
      },
      {
        "name": "UTAH ST HSG CORP MF REVENUE REGD N/C B/E HUD SEC 3.62500000",
        "value": "9830000.00",
        "weight": "0.00424529",
        "shared": false
      },
      {
        "name": "UNIV OF CALIFORNIA CA REVENUES REGD N/C B/E 5.00000000",
        "value": "9412139.07",
        "weight": "0.00406483",
        "shared": false
      },
      {
        "name": "VIRGINIA HSG DEV-G",
        "value": "9396183.77",
        "weight": "0.00405794",
        "shared": false
      },
      {
        "name": "State of Hawaii Department of Budget and Finance, The Queen's Health Systems, Series 2025B",
        "value": "9200000.00",
        "weight": "0.00397322",
        "shared": false
      },
      {
        "name": "MISSISSIPPI ST BUSINESS FIN COMMISSION GULF OPPORTUNITY ZONE",
        "value": "9200000.00",
        "weight": "0.00397322",
        "shared": false
      },
      {
        "name": "California Community Choice Financing Authority, Series F",
        "value": "9026444.36",
        "weight": "0.00389826",
        "shared": false
      },
      {
        "name": "State of Colorado, Series B",
        "value": "8949916.50",
        "weight": "0.00386521",
        "shared": false
      },
      {
        "name": "PREREF CENTRL FL EXPRESSWAY AUTH SR L REGD B/E PREREFUNDED 07/01/26 @ 100 4.00000000",
        "value": "8708428.37",
        "weight": "0.00376092",
        "shared": false
      },
      {
        "name": "BLACK BELT ENERGY GAS DISTRICT (MPT) 5.0% 03-01-55",
        "value": "8694931.42",
        "weight": "0.00375509",
        "shared": false
      },
      {
        "name": "Public Energy Authority of Kentucky, Gas Supply Revenue Bonds, Refunding Series 2024B",
        "value": "8639945.58",
        "weight": "0.00373134",
        "shared": false
      },
      {
        "name": "NEW YORK MUNI WTR-AA2",
        "value": "8253699.75",
        "weight": "0.00356454",
        "shared": false
      },
      {
        "name": "PREREF BEXAR CNTY TX REGD B/E PREREFUNDED 06/15/26 @ 100 5.00000000",
        "value": "8077896.00",
        "weight": "0.00348861",
        "shared": false
      },
      {
        "name": "QUEEN'S HEALTH SYSTEMS OBLIGATED GROUP FRN 07-01-51",
        "value": "8000000.00",
        "weight": "0.00345497",
        "shared": false
      },
      {
        "name": "PALMDALE FAMILY HOUSING LP (MPT) 2.95% 01-01-56",
        "value": "7961034.80",
        "weight": "0.00343814",
        "shared": false
      },
      {
        "name": "STHRN CA PUB PWR-B",
        "value": "7840918.80",
        "weight": "0.00338627",
        "shared": false
      },
      {
        "name": "STATE OF NORTH CAROLINA 5.0% 06-01-29",
        "value": "7796649.18",
        "weight": "0.00336715",
        "shared": false
      },
      {
        "name": "MI HSG ST DEV AUTH-A",
        "value": "7767187.95",
        "weight": "0.00335443",
        "shared": false
      },
      {
        "name": "Public Energy Authority of Kentucky, Gas Supply Revenue Bonds, Series 2024A-1",
        "value": "7418313.00",
        "weight": "0.00320376",
        "shared": false
      },
      {
        "name": "NYC TRANSITIONAL-F-1",
        "value": "7405853.00",
        "weight": "0.00319838",
        "shared": false
      },
      {
        "name": "HOUSTON TX ISD",
        "value": "7319753.80",
        "weight": "0.00316119",
        "shared": false
      },
      {
        "name": "LOS ANGELES DEPT-C",
        "value": "7267291.79",
        "weight": "0.00313853",
        "shared": false
      },
      {
        "name": "CARROLLTON-FARMERS BRANCH INDEPENDENT SCHOOL DISTRICT PSF-GTD 5.0% 02-15-27",
        "value": "7197512.00",
        "weight": "0.00310840",
        "shared": false
      },
      {
        "name": "NORTH PORT PRESERVATION LTD DIVIDEND HOUSING ASSOCIATION LLC FHA 223(F) (MPT) 5.0% 08-01-27",
        "value": "7149353.68",
        "weight": "0.00308760",
        "shared": false
      },
      {
        "name": "California Community Choice Financing Authority, Series B-1",
        "value": "7146357.68",
        "weight": "0.00308631",
        "shared": false
      },
      {
        "name": "California (State of) Community Choice Financing Authority (Clean Energy) (Green Bonds), Series 2024, RB",
        "value": "7142265.79",
        "weight": "0.00308454",
        "shared": false
      },
      {
        "name": "WISE VA IDA SW 3.125% MT",
        "value": "7072009.00",
        "weight": "0.00305420",
        "shared": false
      },
      {
        "name": "NEW HAVEN UNIFIED SCHOOL DISTRICT AG 0.0% 08-01-29",
        "value": "7002963.00",
        "weight": "0.00302438",
        "shared": false
      },
      {
        "name": "TX EXXON 12 G=EXXON V1",
        "value": "7000000.00",
        "weight": "0.00302310",
        "shared": false
      },
      {
        "name": "NYC MUNI WTR FIN-DD",
        "value": "6931892.50",
        "weight": "0.00299369",
        "shared": false
      },
      {
        "name": "EXXON MOBIL CORP FRN 12-01-40",
        "value": "6800000.00",
        "weight": "0.00293672",
        "shared": false
      },
      {
        "name": "RUSH SYSTEM FOR HEALTH OBLIGATED GROUP 5.0% 11-15-30",
        "value": "6785843.75",
        "weight": "0.00293061",
        "shared": false
      },
      {
        "name": "PORT OF PORTLAND OR AIRPORT REVENUE 5.0% 07-01-31",
        "value": "6678432.00",
        "weight": "0.00288422",
        "shared": false
      },
      {
        "name": "Public Energy Authority of Kentucky, Gas Supply Revenue Bonds, Series 2022A-1",
        "value": "6555042.00",
        "weight": "0.00283093",
        "shared": false
      },
      {
        "name": "DICKSON TN HLTH EDUCTNL & HSG FAC BRD MF REVENUE",
        "value": "6518635.31",
        "weight": "0.00281521",
        "shared": false
      }
    ]
  },
  "error": null,
  "sources": [
    {
      "label": "N-PORT (fund A)",
      "accession_no": "0001410368-26-033301",
      "as_of": "2026-01-31",
      "edgar_url": "https://www.sec.gov/Archives/edgar/data/1097519/000141036826033301/0001410368-26-033301-index.htm"
    },
    {
      "label": "N-PORT (fund B)",
      "accession_no": "0001193125-26-130879",
      "as_of": "2026-01-31",
      "edgar_url": "https://www.sec.gov/Archives/edgar/data/845376/000119312526130879/0001193125-26-130879-index.htm"
    }
  ]
}