{
  "page": "compare",
  "query": {
    "a": "CAAA",
    "b": "FTCB"
  },
  "retrieved_at": "2026-07-07T18:05:18+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 Core Investment Grade ETF",
    "ticker": "FTCB",
    "slug": "FTCB",
    "series_id": "S000082787",
    "html_url": "https://fundwatcher.app/funds/FTCB/"
  },
  "overlap": {
    "coverage_a_by_b": "0.06249076480396397714848290481",
    "coverage_b_by_a": "0.06249076480396397714848290481",
    "shared_count": 62,
    "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": true
      },
      {
        "name": "BX Trust, Series 2025-DELC, Class A",
        "value": "601496.28",
        "weight": "0.01880378",
        "shared": true
      },
      {
        "name": "Trust (The), Series 2023-MIC, Class A",
        "value": "564810.72",
        "weight": "0.01765693",
        "shared": true
      },
      {
        "name": "BSTN Commercial Mortgage Trust 2025-1C",
        "value": "562241.61",
        "weight": "0.01757661",
        "shared": true
      },
      {
        "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": true
      },
      {
        "name": "NY Commercial Mortgage Trust, Series 2025-299P, Class A",
        "value": "519412.55",
        "weight": "0.01623771",
        "shared": true
      },
      {
        "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": false
      },
      {
        "name": "J.P. Morgan Chase Commercial Mortgage Securities Trust, Series 2025-PHNY, Class A",
        "value": "501001.05",
        "weight": "0.01566213",
        "shared": true
      },
      {
        "name": "INTL Commercial Mortgage Trust 2025-PLAZA",
        "value": "500001.85",
        "weight": "0.01563089",
        "shared": true
      },
      {
        "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": true
      },
      {
        "name": "BENCHMARK 2021-B25 MORTGAGE TRUST BMARK 2021-B25 A4",
        "value": "456969.10",
        "weight": "0.01428562",
        "shared": true
      },
      {
        "name": "BX TRUST",
        "value": "454753.47",
        "weight": "0.01421635",
        "shared": true
      },
      {
        "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": true
      },
      {
        "name": "BANK 2020-BN29 A4",
        "value": "442007.53",
        "weight": "0.01381789",
        "shared": true
      },
      {
        "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": true
      },
      {
        "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": true
      },
      {
        "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": true
      },
      {
        "name": "WFCM 2022-C62 A4 FRN 04-15-55",
        "value": "362312.98",
        "weight": "0.01132651",
        "shared": true
      },
      {
        "name": "Cantor Commercial Real Estate Lending, Series 2019-CF1, Class A2",
        "value": "355235.75",
        "weight": "0.01110526",
        "shared": true
      },
      {
        "name": "WELLS FARGO COMMERCIAL MORTGAGE TRUST 2025-B33RP WFCM 2025-B33RP A",
        "value": "350185.29",
        "weight": "0.01094738",
        "shared": true
      },
      {
        "name": "Arbor Multifamily Mortgage Securities Trust 2021-MF2",
        "value": "349306.00",
        "weight": "0.01091989",
        "shared": true
      },
      {
        "name": "Citigroup Commercial Mortgage Trust, Series 2019-GC43, Class AAB",
        "value": "342516.40",
        "weight": "0.01070764",
        "shared": true
      },
      {
        "name": "WHARF COMMERCIAL MORTGAGE TRUS WHARF 2025 DC A 144A",
        "value": "331017.54",
        "weight": "0.01034816",
        "shared": true
      },
      {
        "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": true
      },
      {
        "name": "Freddie Mac Multifamily Structured Pass Through Certificates",
        "value": "305062.78",
        "weight": "0.00953677",
        "shared": true
      },
      {
        "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": true
      },
      {
        "name": "BANK 2020-BNK26",
        "value": "300487.62",
        "weight": "0.00939375",
        "shared": true
      },
      {
        "name": "SHOPS 2026-CSTL A",
        "value": "298812.36",
        "weight": "0.00934137",
        "shared": true
      }
    ],
    "b_top": [
      {
        "name": "US TREASURY N/B",
        "value": "40561172.08",
        "weight": "0.01626858",
        "shared": false
      },
      {
        "name": "Uniform Mortgage-Backed Security, TBA",
        "value": "32215835.15",
        "weight": "0.01292137",
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      },
      {
        "name": "FNCL 5.5 7/25",
        "value": "28634025.51",
        "weight": "0.01148475",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "27694843.68",
        "weight": "0.01110805",
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      },
      {
        "name": "MSILF Treasury Portfolio, Class Institutional",
        "value": "25679040.22",
        "weight": "0.01029954",
        "shared": true
      },
      {
        "name": "U.S. Treasury STRIPS Coupon",
        "value": "20996352.49",
        "weight": "0.00842137",
        "shared": false
      },
      {
        "name": "G2 MA7192",
        "value": "18721882.99",
        "weight": "0.00750911",
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      },
      {
        "name": "U.S. Treasury STRIPS Coupon",
        "value": "17776011.75",
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      },
      {
        "name": "U.S. Treasury STRIPS Coupon",
        "value": "17317852.15",
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      },
      {
        "name": "Fannie Mae REMICS",
        "value": "16611589.76",
        "weight": "0.00666270",
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      },
      {
        "name": "PMTLT 2025-CNF1 A35",
        "value": "16491265.06",
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        "shared": false
      },
      {
        "name": "U.S. Treasury STRIPS Coupon",
        "value": "16361854.44",
        "weight": "0.00656253",
        "shared": false
      },
      {
        "name": "United States Treasury Strip Coupon",
        "value": "16299818.10",
        "weight": "0.00653765",
        "shared": false
      },
      {
        "name": "Freddie Mac Pool",
        "value": "15607173.68",
        "weight": "0.00625984",
        "shared": false
      },
      {
        "name": "United States Treasury Strip Coupon",
        "value": "15557311.47",
        "weight": "0.00623984",
        "shared": false
      },
      {
        "name": "U.S. Treasury STRIPS Coupon",
        "value": "15099420.70",
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      },
      {
        "name": "U.S. Treasury STRIPS Coupon",
        "value": "14996727.65",
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      },
      {
        "name": "ASHTEAD CAPITAL",
        "value": "14990851.10",
        "weight": "0.00601264",
        "shared": false
      },
      {
        "name": "OBX Trust, Series 2026-J1, Class AF",
        "value": "14474991.70",
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      },
      {
        "name": "U.S. Treasury STRIPS Coupon",
        "value": "14456020.58",
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      },
      {
        "name": "U.S. Treasury STRIPS Coupon",
        "value": "14366532.34",
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      },
      {
        "name": "Government National Mortgage Association",
        "value": "13939143.08",
        "weight": "0.00559082",
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      },
      {
        "name": "Seasoned Loans Structured Transaction Trust Series 2025-2",
        "value": "13715574.24",
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        "shared": false
      },
      {
        "name": "U.S. Treasury STRIPS Coupon",
        "value": "13616290.69",
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      },
      {
        "name": "FNMA, Series 2022-66, Class CF",
        "value": "13385112.99",
        "weight": "0.00536860",
        "shared": false
      },
      {
        "name": "U.S. Treasury STRIPS Coupon",
        "value": "13115946.94",
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      },
      {
        "name": "Medline Borrower, L.P.",
        "value": "12636811.20",
        "weight": "0.00506847",
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      },
      {
        "name": "Gildan Activewear Inc",
        "value": "12376814.38",
        "weight": "0.00496418",
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      },
      {
        "name": "Freddie Mac Seasoned Credit Risk Transfer Trust Series 2018-4",
        "value": "12351996.02",
        "weight": "0.00495423",
        "shared": false
      },
      {
        "name": "Fannie Mae Pool",
        "value": "12340054.08",
        "weight": "0.00494944",
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      },
      {
        "name": "U.S. Treasury Inflation-Protected Indexed Notes",
        "value": "11985694.15",
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      },
      {
        "name": "Government National Mortgage Association",
        "value": "11894395.20",
        "weight": "0.00477069",
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      },
      {
        "name": "Uniform Mortgage-Backed Security, TBA",
        "value": "11845709.06",
        "weight": "0.00475117",
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      },
      {
        "name": "U.S. Treasury Notes",
        "value": "11763941.87",
        "weight": "0.00471837",
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      },
      {
        "name": "FREDDIE MAC REMICS FHR 5224 HL",
        "value": "11760022.14",
        "weight": "0.00471680",
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      },
      {
        "name": "GILDAN ACTIVEWEAR INC REGD 144A P/P 5.40000000",
        "value": "11754163.56",
        "weight": "0.00471445",
        "shared": false
      },
      {
        "name": "U.S. Treasury STRIPS Coupon",
        "value": "11681956.73",
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      },
      {
        "name": "BIOGEN INC",
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      },
      {
        "name": "Fannie Mae REMICS",
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      {
        "name": "RYASPE 5.875 08/01/32 144A",
        "value": "11057273.09",
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      },
      {
        "name": "FHR 5642 FN",
        "value": "11010601.52",
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      },
      {
        "name": "PMT Loan Trust, Series 2026-INV2, Class A35",
        "value": "10877292.76",
        "weight": "0.00436275",
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      },
      {
        "name": "PRPM 2026-RCF1 A1",
        "value": "10822754.58",
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      },
      {
        "name": "FIGRE Trust 2026-HF3",
        "value": "10739498.12",
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      },
      {
        "name": "U.S. Treasury STRIPS Coupon",
        "value": "10682323.92",
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        "shared": false
      },
      {
        "name": "Fannie Mae REMICS",
        "value": "10582876.51",
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      },
      {
        "name": "U.S. Treasury STRIPS Coupon",
        "value": "10255466.71",
        "weight": "0.00411334",
        "shared": false
      },
      {
        "name": "Government National Mortgage Association",
        "value": "10185036.78",
        "weight": "0.00408509",
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      },
      {
        "name": "FNR 2026-5 CF",
        "value": "10122518.37",
        "weight": "0.00406002",
        "shared": false
      },
      {
        "name": "Fannie Mae Pool",
        "value": "10106836.39",
        "weight": "0.00405373",
        "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": "0000940400-26-025145",
      "as_of": "2026-04-30",
      "edgar_url": "https://www.sec.gov/Archives/edgar/data/1517936/000094040026025145/0000940400-26-025145-index.htm"
    }
  ]
}