{
  "page": "compare",
  "query": {
    "a": "NCLO",
    "b": "MFSB"
  },
  "retrieved_at": "2026-07-07T18:51:53+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": "Nuveen AA-BBB CLO ETF",
    "ticker": "NCLO",
    "slug": "NCLO",
    "series_id": "S000088815",
    "html_url": "https://fundwatcher.app/funds/NCLO/"
  },
  "fund_b": {
    "name": "MFS Active Core Plus Bond ETF",
    "ticker": "MFSB",
    "slug": "MFSB",
    "series_id": "S000085666",
    "html_url": "https://fundwatcher.app/funds/MFSB/"
  },
  "overlap": {
    "coverage_a_by_b": "0.02148582225714715780965545381",
    "coverage_b_by_a": "0.02148582225714715780965545381",
    "shared_count": 2,
    "as_of": {
      "a": "2026-01-31",
      "b": "2026-02-28"
    },
    "a_top": [
      {
        "name": "AIMCO CLO",
        "value": "4025192.00",
        "weight": "0.02665067",
        "shared": false
      },
      {
        "name": "CIFC Funding 2024-III Ltd",
        "value": "3567086.15",
        "weight": "0.02361757",
        "shared": false
      },
      {
        "name": "OHA Credit Funding 10-R Ltd",
        "value": "3517010.00",
        "weight": "0.02328602",
        "shared": false
      },
      {
        "name": "OCP CLO 2025-40 Ltd",
        "value": "3504305.00",
        "weight": "0.02320190",
        "shared": false
      },
      {
        "name": "Invesco US CLO 2024-3 Ltd",
        "value": "3265986.75",
        "weight": "0.02162400",
        "shared": false
      },
      {
        "name": "Elmwood CLO VIII Ltd",
        "value": "3263123.50",
        "weight": "0.02160504",
        "shared": false
      },
      {
        "name": "MidOcean Credit CLO XVI",
        "value": "3259083.75",
        "weight": "0.02157829",
        "shared": false
      },
      {
        "name": "Neuberger Berman Loan Advisers CLO 34 Ltd",
        "value": "3034119.00",
        "weight": "0.02008881",
        "shared": false
      },
      {
        "name": "AIMCO CLO Series 2018-A",
        "value": "3022032.00",
        "weight": "0.02000878",
        "shared": false
      },
      {
        "name": "GoldenTree Loan Management US CLO 17 Ltd., Series 2023-17A, Class CR",
        "value": "3021369.00",
        "weight": "0.02000439",
        "shared": true
      },
      {
        "name": "Serenity-Peace Park Clo Ltd",
        "value": "3017433.00",
        "weight": "0.01997833",
        "shared": false
      },
      {
        "name": "Ares LXXV CLO Ltd",
        "value": "3011718.00",
        "weight": "0.01994049",
        "shared": false
      },
      {
        "name": "State Street Navigator Securities Lending Portfolio II",
        "value": "2859502.75",
        "weight": "0.01893268",
        "shared": true
      },
      {
        "name": "Palmer Square CLO 2025-1 Ltd",
        "value": "2710867.50",
        "weight": "0.01794857",
        "shared": false
      },
      {
        "name": "Neuberger Berman Loan Advisers CLO 36R Ltd., Series 2020-36RA, Class B",
        "value": "2518285.00",
        "weight": "0.01667349",
        "shared": false
      },
      {
        "name": "CARLYLE US CLO 2021-8 LTD",
        "value": "2510047.50",
        "weight": "0.01661895",
        "shared": false
      },
      {
        "name": "Neuberger Berman Loan Advisers CLO 31 Ltd",
        "value": "2509215.00",
        "weight": "0.01661344",
        "shared": false
      },
      {
        "name": "MidOcean Credit CLO XVII Ltd",
        "value": "2507180.00",
        "weight": "0.01659996",
        "shared": false
      },
      {
        "name": "Anchorage Capital Clo 20 Ltd",
        "value": "2504130.00",
        "weight": "0.01657977",
        "shared": false
      },
      {
        "name": "KKR CLO 51 Ltd",
        "value": "2321062.59",
        "weight": "0.01536769",
        "shared": false
      },
      {
        "name": "Ares XXXIV CLO Ltd",
        "value": "2022340.00",
        "weight": "0.01338985",
        "shared": false
      },
      {
        "name": "Elmwood CLO X Ltd",
        "value": "2018856.00",
        "weight": "0.01336678",
        "shared": false
      },
      {
        "name": "Higley Park CLO Ltd., Series 2025-1A, Class B1",
        "value": "2018710.00",
        "weight": "0.01336582",
        "shared": false
      },
      {
        "name": "Davis Park CLO Ltd",
        "value": "2018058.00",
        "weight": "0.01336150",
        "shared": false
      },
      {
        "name": "Benefit Street Partners CLO 41 Ltd., Series 2025-41A, Class D1",
        "value": "2016890.00",
        "weight": "0.01335377",
        "shared": false
      },
      {
        "name": "OHA Loan Funding Ltd., Series 2013-1A, Class D1R3",
        "value": "2009812.00",
        "weight": "0.01330690",
        "shared": false
      },
      {
        "name": "Apidos CLO LI Ltd",
        "value": "2007902.00",
        "weight": "0.01329426",
        "shared": false
      },
      {
        "name": "Neuberger Berman Loan Advisers CLO 34 Ltd",
        "value": "2006772.00",
        "weight": "0.01328678",
        "shared": false
      },
      {
        "name": "Ares LXXII CLO Ltd",
        "value": "2005994.00",
        "weight": "0.01328163",
        "shared": false
      },
      {
        "name": "MDPK 2025-71A B",
        "value": "2005890.00",
        "weight": "0.01328094",
        "shared": false
      },
      {
        "name": "Benefit Street Partners CLO XXXVIII Ltd",
        "value": "2005320.00",
        "weight": "0.01327716",
        "shared": false
      },
      {
        "name": "Magnetite XXVI Ltd",
        "value": "2003886.00",
        "weight": "0.01326767",
        "shared": false
      },
      {
        "name": "Magnetite XXII Ltd",
        "value": "2003540.00",
        "weight": "0.01326538",
        "shared": false
      },
      {
        "name": "ARES XLIV CLO Ltd",
        "value": "2002496.00",
        "weight": "0.01325847",
        "shared": false
      },
      {
        "name": "Boyce Park CLO Ltd",
        "value": "2002136.00",
        "weight": "0.01325608",
        "shared": false
      },
      {
        "name": "Palmer Square CLO 2023-1 Ltd",
        "value": "1996024.00",
        "weight": "0.01321561",
        "shared": false
      },
      {
        "name": "Apidos Clo LIV",
        "value": "1809257.40",
        "weight": "0.01197904",
        "shared": false
      },
      {
        "name": "CARLYLE US CLO 2023-4 LTD",
        "value": "1804663.80",
        "weight": "0.01194862",
        "shared": false
      },
      {
        "name": "Elmwood CLO 24 Ltd 5.42",
        "value": "1802493.00",
        "weight": "0.01193425",
        "shared": false
      },
      {
        "name": "Boyce Park CLO Ltd",
        "value": "1653819.75",
        "weight": "0.01094989",
        "shared": false
      },
      {
        "name": "AIMCO CLO 18 Ltd",
        "value": "1603563.20",
        "weight": "0.01061714",
        "shared": false
      },
      {
        "name": "Neuberger Berman Loan Advisers CLO 26 Ltd. Floating Rate, Due 10/18/2038",
        "value": "1555525.75",
        "weight": "0.01029909",
        "shared": false
      },
      {
        "name": "TCW CLO 2020-1 LTD TCW 2020 1A DR3 144A",
        "value": "1543327.25",
        "weight": "0.01021832",
        "shared": false
      },
      {
        "name": "Magnetite XXVII Ltd",
        "value": "1510237.50",
        "weight": "0.00999924",
        "shared": false
      },
      {
        "name": "REESE PARK CLO LTD 5.57",
        "value": "1509844.50",
        "weight": "0.00999663",
        "shared": false
      },
      {
        "name": "Elmwood CLO XII Ltd",
        "value": "1507531.50",
        "weight": "0.00998132",
        "shared": false
      },
      {
        "name": "OCP CLO 2024-38 Ltd",
        "value": "1506289.50",
        "weight": "0.00997310",
        "shared": false
      },
      {
        "name": "Magnetite Xli Ltd 5.64",
        "value": "1506174.00",
        "weight": "0.00997233",
        "shared": false
      },
      {
        "name": "AGL CLO 42 Ltd",
        "value": "1505428.50",
        "weight": "0.00996740",
        "shared": false
      },
      {
        "name": "Magnetite XXVII Ltd",
        "value": "1505260.50",
        "weight": "0.00996628",
        "shared": false
      }
    ],
    "b_top": [
      {
        "name": "US TREASURY N/B",
        "value": "12023389.06",
        "weight": "0.05109195",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "10441428.07",
        "weight": "0.04436959",
        "shared": false
      },
      {
        "name": "State Street Navigator Securities Lending Portfolio II",
        "value": "7478945.04",
        "weight": "0.03178088",
        "shared": true
      },
      {
        "name": "US TREASURY N/B",
        "value": "5501306.63",
        "weight": "0.02337714",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "5304796.88",
        "weight": "0.02254210",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "5284339.43",
        "weight": "0.02245517",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "3618769.53",
        "weight": "0.01537753",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "3241182.02",
        "weight": "0.01377301",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "2911235.16",
        "weight": "0.01237094",
        "shared": false
      },
      {
        "name": "FN MA5552",
        "value": "2201798.91",
        "weight": "0.00935628",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "1893988.29",
        "weight": "0.00804828",
        "shared": false
      },
      {
        "name": "Uniform Mortgage-Backed Security, TBA",
        "value": "1719661.82",
        "weight": "0.00730750",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "1527421.88",
        "weight": "0.00649060",
        "shared": false
      },
      {
        "name": "STOAU 5.75 11/13/35 144A",
        "value": "1526656.03",
        "weight": "0.00648734",
        "shared": false
      },
      {
        "name": "BOSTON PROP LP",
        "value": "1500621.74",
        "weight": "0.00637671",
        "shared": false
      },
      {
        "name": "NRZT, Series 2025-NQM6, Class A1",
        "value": "1458760.14",
        "weight": "0.00619883",
        "shared": false
      },
      {
        "name": "MF1 LLC, Series 2025-FL20, Class C",
        "value": "1409937.01",
        "weight": "0.00599136",
        "shared": false
      },
      {
        "name": "BOEING CO/THE",
        "value": "1374562.78",
        "weight": "0.00584104",
        "shared": false
      },
      {
        "name": "PMT Loan Trust, Series 2026-INV2, Class A35",
        "value": "1349850.27",
        "weight": "0.00573603",
        "shared": false
      },
      {
        "name": "HIGHWOODS REALTY",
        "value": "1347034.67",
        "weight": "0.00572406",
        "shared": false
      },
      {
        "name": "ENERGY TRANS",
        "value": "1346105.98",
        "weight": "0.00572012",
        "shared": false
      },
      {
        "name": "New Residential Mortgage Loan Trust, Series 2026-NQM3, Class A1",
        "value": "1315195.10",
        "weight": "0.00558876",
        "shared": false
      },
      {
        "name": "FR SD8199",
        "value": "1305234.90",
        "weight": "0.00554644",
        "shared": false
      },
      {
        "name": "Bain Capital Credit CLO 2021-4 Ltd",
        "value": "1300000.00",
        "weight": "0.00552419",
        "shared": false
      },
      {
        "name": "VORNADO REALTY LP SR UNSECURED 02/33 5.75",
        "value": "1296675.38",
        "weight": "0.00551007",
        "shared": false
      },
      {
        "name": "FR SD8213",
        "value": "1288747.48",
        "weight": "0.00547638",
        "shared": false
      },
      {
        "name": "NTT FINANCE",
        "value": "1279829.09",
        "weight": "0.00543848",
        "shared": false
      },
      {
        "name": "CBRE SERVICES IN",
        "value": "1270577.59",
        "weight": "0.00539917",
        "shared": false
      },
      {
        "name": "Dryden 98 CLO Ltd",
        "value": "1250000.00",
        "weight": "0.00531172",
        "shared": false
      },
      {
        "name": "C V6.875 PERP GG",
        "value": "1244738.48",
        "weight": "0.00528937",
        "shared": false
      },
      {
        "name": "Unity-Peace Park CLO Ltd",
        "value": "1243067.69",
        "weight": "0.00528227",
        "shared": false
      },
      {
        "name": "AVOLON HOLDINGS FUNDING LTD 4.95% 10/15/2032 144A",
        "value": "1207884.60",
        "weight": "0.00513276",
        "shared": false
      },
      {
        "name": "Enel SPA 7.50 10/14/2032",
        "value": "1186556.61",
        "weight": "0.00504213",
        "shared": false
      },
      {
        "name": "JEFFERIES GROUP",
        "value": "1176260.09",
        "weight": "0.00499838",
        "shared": false
      },
      {
        "name": "ROGERS COMMUNIC",
        "value": "1154365.71",
        "weight": "0.00490534",
        "shared": false
      },
      {
        "name": "JAPAN TOBACCO INC SR UNSECURED 144A 06/35 5.85",
        "value": "1137383.95",
        "weight": "0.00483318",
        "shared": false
      },
      {
        "name": "FN MA4562",
        "value": "1114860.77",
        "weight": "0.00473747",
        "shared": false
      },
      {
        "name": "DICK'S SPORTING",
        "value": "1113528.56",
        "weight": "0.00473181",
        "shared": false
      },
      {
        "name": "ELM Trust, Series 2024-ELM, Class C15",
        "value": "1105207.73",
        "weight": "0.00469645",
        "shared": false
      },
      {
        "name": "FR 5.25 01/15/31",
        "value": "1098187.05",
        "weight": "0.00466661",
        "shared": false
      },
      {
        "name": "FERGUSON ENTERPR",
        "value": "1096161.93",
        "weight": "0.00465801",
        "shared": false
      },
      {
        "name": "CHARLES SCHWAB",
        "value": "1080324.05",
        "weight": "0.00459071",
        "shared": false
      },
      {
        "name": "TARGA RESOURCES",
        "value": "1074368.99",
        "weight": "0.00456540",
        "shared": false
      },
      {
        "name": "JPMORGAN CHASE",
        "value": "1062243.64",
        "weight": "0.00451388",
        "shared": false
      },
      {
        "name": "ASHTEAD CAPITAL",
        "value": "1058262.67",
        "weight": "0.00449696",
        "shared": false
      },
      {
        "name": "BROWN & BROWN",
        "value": "1039642.26",
        "weight": "0.00441783",
        "shared": false
      },
      {
        "name": "AUTONATION INC",
        "value": "1022804.04",
        "weight": "0.00434628",
        "shared": false
      },
      {
        "name": "WELLS FARGO CO",
        "value": "1008925.02",
        "weight": "0.00428731",
        "shared": false
      },
      {
        "name": "PFP Ltd., Series 2026-13, Class AS",
        "value": "1004041.20",
        "weight": "0.00426655",
        "shared": false
      },
      {
        "name": "Dryden 86 CLO Ltd., Series 2020-86A, Class CR2",
        "value": "999927.30",
        "weight": "0.00424907",
        "shared": false
      }
    ]
  },
  "error": null,
  "sources": [
    {
      "label": "N-PORT (fund A)",
      "accession_no": "0001635073-26-000141",
      "as_of": "2026-01-31",
      "edgar_url": "https://www.sec.gov/Archives/edgar/data/1635073/000163507326000141/0001635073-26-000141-index.htm"
    },
    {
      "label": "N-PORT (fund B)",
      "accession_no": "0001410368-26-040065",
      "as_of": "2026-02-28",
      "edgar_url": "https://www.sec.gov/Archives/edgar/data/2018846/000141036826040065/0001410368-26-040065-index.htm"
    }
  ]
}