{
  "page": "compare",
  "query": {
    "a": "CAAA",
    "b": "SCIO"
  },
  "retrieved_at": "2026-07-07T14:47:03+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": "First Trust AAA CMBS ETF",
    "ticker": "CAAA",
    "slug": "CAAA",
    "series_id": "S000084026",
    "html_url": "https://fundwatcher.app/funds/CAAA/"
  },
  "fund_b": {
    "name": "First Trust Structured Credit Income Opportunities ETF",
    "ticker": "SCIO",
    "slug": "SCIO",
    "series_id": "S000084090",
    "html_url": "https://fundwatcher.app/funds/SCIO/"
  },
  "overlap": {
    "coverage_a_by_b": "0.1004501197194406563080849087",
    "coverage_b_by_a": "0.1004501197194406563080849087",
    "shared_count": 29,
    "as_of": {
      "a": "2026-04-30",
      "b": "2026-04-30"
    },
    "a_top": [
      {
        "name": "MSILF Treasury Portfolio, Class Institutional",
        "value": "650124.06",
        "weight": "0.02032397",
        "shared": true
      },
      {
        "name": "CSMC SERIES 2019 UVIL",
        "value": "611284.25",
        "weight": "0.01910977",
        "shared": false
      },
      {
        "name": "BX Trust, Series 2025-DELC, Class A",
        "value": "601496.28",
        "weight": "0.01880378",
        "shared": false
      },
      {
        "name": "Trust (The), Series 2023-MIC, Class A",
        "value": "564810.72",
        "weight": "0.01765693",
        "shared": false
      },
      {
        "name": "BSTN Commercial Mortgage Trust 2025-1C",
        "value": "562241.61",
        "weight": "0.01757661",
        "shared": false
      },
      {
        "name": "CENT 2025-CITY A",
        "value": "553031.82",
        "weight": "0.01728870",
        "shared": false
      },
      {
        "name": "SWCH COMMERCIAL MORTGAGE TRUST SWCH 2025 DATA A 144A",
        "value": "550939.73",
        "weight": "0.01722330",
        "shared": true
      },
      {
        "name": "CHI COMMERCIAL MORTGAGE TRUST 2025-SFT SER 2025-SFT CL A V/R REGD 144A P/P 5.48216000",
        "value": "527858.81",
        "weight": "0.01650175",
        "shared": false
      },
      {
        "name": "NY Commercial Mortgage Trust, Series 2025-299P, Class A",
        "value": "519412.55",
        "weight": "0.01623771",
        "shared": false
      },
      {
        "name": "BBCMS Mortgage Trust, Series 2018-TALL, Class A",
        "value": "514014.17",
        "weight": "0.01606894",
        "shared": true
      },
      {
        "name": "BANK 2020-BN25 A5",
        "value": "502689.82",
        "weight": "0.01571492",
        "shared": true
      },
      {
        "name": "J.P. Morgan Chase Commercial Mortgage Securities Trust, Series 2025-PHNY, Class A",
        "value": "501001.05",
        "weight": "0.01566213",
        "shared": false
      },
      {
        "name": "INTL Commercial Mortgage Trust 2025-PLAZA",
        "value": "500001.85",
        "weight": "0.01563089",
        "shared": false
      },
      {
        "name": "United States Treasury Bill",
        "value": "499454.69",
        "weight": "0.01561379",
        "shared": true
      },
      {
        "name": "TEXAS Commercial Mortgage Trust, Series 2025-TWR, Class A",
        "value": "499039.50",
        "weight": "0.01560081",
        "shared": false
      },
      {
        "name": "GGP 2026-2PAK A",
        "value": "498736.45",
        "weight": "0.01559134",
        "shared": true
      },
      {
        "name": "VRTX Trust, Series 2025-HQ, Class A",
        "value": "494984.65",
        "weight": "0.01547405",
        "shared": false
      },
      {
        "name": "BBCMS 2020-C8 A5",
        "value": "492173.55",
        "weight": "0.01538617",
        "shared": false
      },
      {
        "name": "BENCHMARK 2021-B25 MORTGAGE TRUST BMARK 2021-B25 A4",
        "value": "456969.10",
        "weight": "0.01428562",
        "shared": false
      },
      {
        "name": "BX TRUST",
        "value": "454753.47",
        "weight": "0.01421635",
        "shared": false
      },
      {
        "name": "SKY Trust 2025-LINE",
        "value": "454610.29",
        "weight": "0.01421188",
        "shared": true
      },
      {
        "name": "Benchmark 2023-B40 Mortgage Trust",
        "value": "454499.85",
        "weight": "0.01420843",
        "shared": false
      },
      {
        "name": "Citigroup Commercial Mortgage Trust, Series 2020-420K, Class A",
        "value": "448823.30",
        "weight": "0.01403097",
        "shared": false
      },
      {
        "name": "BANK 2020-BN29 A4",
        "value": "442007.53",
        "weight": "0.01381789",
        "shared": false
      },
      {
        "name": "BWAY Trust, Series 2025-1535, Class A",
        "value": "420082.17",
        "weight": "0.01313247",
        "shared": true
      },
      {
        "name": "BBCMS 2017-C1 A4",
        "value": "397233.76",
        "weight": "0.01241819",
        "shared": false
      },
      {
        "name": "NYO Commercial Mortgage Trust, Series 2021-1290, Class A",
        "value": "374874.34",
        "weight": "0.01171920",
        "shared": false
      },
      {
        "name": "WFCM 2018-C47 A4",
        "value": "374400.79",
        "weight": "0.01170440",
        "shared": false
      },
      {
        "name": "BMO 2025-C12 Mortgage Trust",
        "value": "366346.93",
        "weight": "0.01145262",
        "shared": false
      },
      {
        "name": "BANK 2020-BN30 A4",
        "value": "366199.52",
        "weight": "0.01144801",
        "shared": false
      },
      {
        "name": "Arbor Multifamily Mortgage Securities Trust 2020-MF1",
        "value": "363692.71",
        "weight": "0.01136964",
        "shared": false
      },
      {
        "name": "WFCM 2022-C62 A4 FRN 04-15-55",
        "value": "362312.98",
        "weight": "0.01132651",
        "shared": false
      },
      {
        "name": "Cantor Commercial Real Estate Lending, Series 2019-CF1, Class A2",
        "value": "355235.75",
        "weight": "0.01110526",
        "shared": false
      },
      {
        "name": "WELLS FARGO COMMERCIAL MORTGAGE TRUST 2025-B33RP WFCM 2025-B33RP A",
        "value": "350185.29",
        "weight": "0.01094738",
        "shared": false
      },
      {
        "name": "Arbor Multifamily Mortgage Securities Trust 2021-MF2",
        "value": "349306.00",
        "weight": "0.01091989",
        "shared": false
      },
      {
        "name": "Citigroup Commercial Mortgage Trust, Series 2019-GC43, Class AAB",
        "value": "342516.40",
        "weight": "0.01070764",
        "shared": false
      },
      {
        "name": "WHARF COMMERCIAL MORTGAGE TRUS WHARF 2025 DC A 144A",
        "value": "331017.54",
        "weight": "0.01034816",
        "shared": false
      },
      {
        "name": "SFO COMMERICAL MORTGAGE TRUST SFO 2021 555 A 144A",
        "value": "319254.84",
        "weight": "0.00998044",
        "shared": true
      },
      {
        "name": "ILPT TRUST 2019-SURF 4.145% 02/11/2041 144A",
        "value": "318510.92",
        "weight": "0.00995718",
        "shared": false
      },
      {
        "name": "BMO 2024-C9 Mortgage Trust",
        "value": "313482.63",
        "weight": "0.00979999",
        "shared": false
      },
      {
        "name": "BBCMS Mortgage Trust, Series 2022-C18, Class A5",
        "value": "312382.38",
        "weight": "0.00976560",
        "shared": false
      },
      {
        "name": "GSMS Trust, Series 2024-FAIR, Class A",
        "value": "305596.56",
        "weight": "0.00955346",
        "shared": false
      },
      {
        "name": "Freddie Mac Multifamily Structured Pass Through Certificates",
        "value": "305062.78",
        "weight": "0.00953677",
        "shared": false
      },
      {
        "name": "MULTIFAMILY PERMANENT MBS",
        "value": "304018.74",
        "weight": "0.00950413",
        "shared": false
      },
      {
        "name": "MSC 2019-L2 A3",
        "value": "303860.86",
        "weight": "0.00949920",
        "shared": false
      },
      {
        "name": "GS MTG SECS TR 2017-GS6 3.164% 05/10/2050",
        "value": "301988.51",
        "weight": "0.00944067",
        "shared": false
      },
      {
        "name": "KRE 2026-ICNA A",
        "value": "301329.87",
        "weight": "0.00942008",
        "shared": true
      },
      {
        "name": "Hilton USA Trust, Series 2025-NVIL, Class A",
        "value": "300945.48",
        "weight": "0.00940806",
        "shared": false
      },
      {
        "name": "BANK 2020-BNK26",
        "value": "300487.62",
        "weight": "0.00939375",
        "shared": false
      },
      {
        "name": "SHOPS 2026-CSTL A",
        "value": "298812.36",
        "weight": "0.00934137",
        "shared": false
      }
    ],
    "b_top": [
      {
        "name": "MSILF Treasury Portfolio, Class Institutional",
        "value": "7649792.20",
        "weight": "0.02020165",
        "shared": true
      },
      {
        "name": "FHR 5642 FN",
        "value": "4835737.16",
        "weight": "0.01277027",
        "shared": false
      },
      {
        "name": "FNCL 5.5 7/25",
        "value": "4163216.81",
        "weight": "0.01099427",
        "shared": false
      },
      {
        "name": "RCO IX Mortgage LLC 2025-4",
        "value": "4131913.47",
        "weight": "0.01091160",
        "shared": false
      },
      {
        "name": "Verus Securitization Trust, Series 2024-2, Class B2",
        "value": "4051462.40",
        "weight": "0.01069914",
        "shared": false
      },
      {
        "name": "CMXS 2026-A D",
        "value": "3766560.00",
        "weight": "0.00994677",
        "shared": false
      },
      {
        "name": "Verus Securitization Trust 2022-3",
        "value": "3749492.47",
        "weight": "0.00990170",
        "shared": false
      },
      {
        "name": "WLAKE 2026-1A D",
        "value": "3690102.73",
        "weight": "0.00974486",
        "shared": false
      },
      {
        "name": "CMO",
        "value": "3638115.51",
        "weight": "0.00960757",
        "shared": false
      },
      {
        "name": "Citigroup Mortgage Loan Trust 2020-EXP1",
        "value": "3635513.32",
        "weight": "0.00960070",
        "shared": false
      },
      {
        "name": "GNMA, Series 2025-78",
        "value": "3588196.92",
        "weight": "0.00947575",
        "shared": false
      },
      {
        "name": "UNITK 2026-1A A2",
        "value": "3577954.10",
        "weight": "0.00944870",
        "shared": false
      },
      {
        "name": "New Residential Mortgage Loan Trust 2023-NQM1",
        "value": "3561817.80",
        "weight": "0.00940609",
        "shared": false
      },
      {
        "name": "Redwood Funding Trust Series 2025-3, Class B",
        "value": "3541767.80",
        "weight": "0.00935314",
        "shared": false
      },
      {
        "name": "LHOME Mortgage Trust 2024-RTL5",
        "value": "3515223.25",
        "weight": "0.00928304",
        "shared": false
      },
      {
        "name": "GGP 2026-2PAK A",
        "value": "3491155.15",
        "weight": "0.00921948",
        "shared": true
      },
      {
        "name": "CMO",
        "value": "3484365.50",
        "weight": "0.00920155",
        "shared": false
      },
      {
        "name": "Government National Mortgage Association",
        "value": "3369983.92",
        "weight": "0.00889949",
        "shared": true
      },
      {
        "name": "BBCMS Mortgage Trust, Series 2018-TALL, Class A",
        "value": "3188213.13",
        "weight": "0.00841947",
        "shared": true
      },
      {
        "name": "Santander Drive Auto Receivables Trust 2026-1",
        "value": "3176129.11",
        "weight": "0.00838756",
        "shared": false
      },
      {
        "name": "RMLT 2021-1R B2",
        "value": "3090006.01",
        "weight": "0.00816012",
        "shared": false
      },
      {
        "name": "MetroNet Infrastructure Issuer LLC",
        "value": "3023704.20",
        "weight": "0.00798503",
        "shared": false
      },
      {
        "name": "ZAYO 2026-1A C",
        "value": "3021397.13",
        "weight": "0.00797894",
        "shared": false
      },
      {
        "name": "SWCH COMMERCIAL MORTGAGE TRUST SWCH 2025 DATA A 144A",
        "value": "2978052.60",
        "weight": "0.00786447",
        "shared": true
      },
      {
        "name": "EFMT 2025-INV1 EFMT 2025-INV1 B2",
        "value": "2970640.80",
        "weight": "0.00784490",
        "shared": false
      },
      {
        "name": "Uniform Mortgage-Backed Security, TBA",
        "value": "2965007.43",
        "weight": "0.00783002",
        "shared": false
      },
      {
        "name": "FNCL 3.5 5/26",
        "value": "2963256.73",
        "weight": "0.00782540",
        "shared": false
      },
      {
        "name": "Golub Capital Partners CLO 60B Ltd",
        "value": "2790626.48",
        "weight": "0.00736952",
        "shared": false
      },
      {
        "name": "VCAT ASSET SECURITIZATION LLC STEP 02/25/2056 144A",
        "value": "2760252.56",
        "weight": "0.00728930",
        "shared": false
      },
      {
        "name": "CIM Trust, Series 2025-NR1, Class A1",
        "value": "2734716.38",
        "weight": "0.00722187",
        "shared": false
      },
      {
        "name": "GLS Auto Select Receivables Issuer Trust 2025-4",
        "value": "2725184.25",
        "weight": "0.00719670",
        "shared": false
      },
      {
        "name": "Redwood Funding Trust Series 2026-1, Class A",
        "value": "2704450.49",
        "weight": "0.00714194",
        "shared": false
      },
      {
        "name": "Freddie Mac STACR REMIC Trust 2022-HQA1",
        "value": "2703306.50",
        "weight": "0.00713892",
        "shared": false
      },
      {
        "name": "Zayo Issuer LLC",
        "value": "2650542.75",
        "weight": "0.00699958",
        "shared": false
      },
      {
        "name": "VERTICAL BRIDGE CC LLC, Series 2025-1A, Class D",
        "value": "2561600.75",
        "weight": "0.00676470",
        "shared": false
      },
      {
        "name": "Verus Securitization Trust 2022-1",
        "value": "2508019.74",
        "weight": "0.00662321",
        "shared": false
      },
      {
        "name": "CMO",
        "value": "2502785.75",
        "weight": "0.00660938",
        "shared": true
      },
      {
        "name": "RFT 2026-2 A",
        "value": "2499996.50",
        "weight": "0.00660202",
        "shared": false
      },
      {
        "name": "PRET 2026-NPL4 A1",
        "value": "2494259.75",
        "weight": "0.00658687",
        "shared": false
      },
      {
        "name": "TRNTS 2022-19A D2R",
        "value": "2470548.49",
        "weight": "0.00652425",
        "shared": false
      },
      {
        "name": "Exeter Select Automobile Receivables Trust, Series 2025-3, Class D",
        "value": "2380631.05",
        "weight": "0.00628680",
        "shared": false
      },
      {
        "name": "CMXS 2025-B E",
        "value": "2355019.84",
        "weight": "0.00621916",
        "shared": false
      },
      {
        "name": "CSMC 2021-NQM8",
        "value": "2260031.75",
        "weight": "0.00596832",
        "shared": false
      },
      {
        "name": "Fidelis Mortgage Trust Series 2025-RTL2, Class A2",
        "value": "2256432.75",
        "weight": "0.00595881",
        "shared": false
      },
      {
        "name": "FREDDIE MAC STACR REMIC TRUST STACR 2021 HQA1 B2 144A",
        "value": "2174156.45",
        "weight": "0.00574154",
        "shared": false
      },
      {
        "name": "PRPM 2023-NQM3 Trust",
        "value": "2164042.08",
        "weight": "0.00571483",
        "shared": false
      },
      {
        "name": "KRE 2026-ICNA A",
        "value": "2119102.31",
        "weight": "0.00559615",
        "shared": true
      },
      {
        "name": "PRPM 2026-RCF2 LLC",
        "value": "2027866.05",
        "weight": "0.00535521",
        "shared": false
      },
      {
        "name": "PRPM 2024-RCF1 LLC",
        "value": "2022752.01",
        "weight": "0.00534170",
        "shared": false
      },
      {
        "name": "ISLN 2025-1A A",
        "value": "2014197.40",
        "weight": "0.00531911",
        "shared": false
      }
    ]
  },
  "error": null,
  "sources": [
    {
      "label": "N-PORT (fund A)",
      "accession_no": "0000940400-26-025140",
      "as_of": "2026-04-30",
      "edgar_url": "https://www.sec.gov/Archives/edgar/data/1517936/000094040026025140/0000940400-26-025140-index.htm"
    },
    {
      "label": "N-PORT (fund B)",
      "accession_no": "0000940400-26-025148",
      "as_of": "2026-04-30",
      "edgar_url": "https://www.sec.gov/Archives/edgar/data/1517936/000094040026025148/0000940400-26-025148-index.htm"
    }
  ]
}