{
  "page": "compare",
  "query": {
    "a": "MPSDX",
    "b": "LSFIX"
  },
  "retrieved_at": "2026-07-07T18:41:59+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": "MassMutual Short-Duration Bond Fund",
    "ticker": "MPSDX",
    "slug": "MPSDX",
    "series_id": "S000003785",
    "html_url": "https://fundwatcher.app/funds/MPSDX/"
  },
  "fund_b": {
    "name": "Loomis Sayles Fixed Income Fund",
    "ticker": "LSFIX",
    "slug": "LSFIX",
    "series_id": "S000006640",
    "html_url": "https://fundwatcher.app/funds/LSFIX/"
  },
  "overlap": {
    "coverage_a_by_b": "0.03303306068437150138344101436",
    "coverage_b_by_a": "0.03303306068437150138344101436",
    "shared_count": 12,
    "as_of": {
      "a": "2026-03-31",
      "b": "2026-03-31"
    },
    "a_top": [
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        "name": "Phillips 66",
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      },
      {
        "name": "Fortive Corp",
        "value": "2988090.30",
        "weight": "0.02338523",
        "shared": false
      },
      {
        "name": "CRH America Finance Inc",
        "value": "2978813.10",
        "weight": "0.02331263",
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      },
      {
        "name": "Charles Schwab Corp/The",
        "value": "2967702.60",
        "weight": "0.02322567",
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      },
      {
        "name": "Bayer Corporation 0% CP 20/07/2026",
        "value": "2961732.90",
        "weight": "0.02317895",
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      },
      {
        "name": "522 Funding CLO 2018-3A Ltd",
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        "weight": "0.01841159",
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      },
      {
        "name": "FIXED INC CLEARING CORP.REPO",
        "value": "2299785.92",
        "weight": "0.01799846",
        "shared": true
      },
      {
        "name": "Keurig Dr Pepper Inc 0% CP 23/04/2026",
        "value": "1994546.20",
        "weight": "0.01560961",
        "shared": false
      },
      {
        "name": "Penske Truck Leasing Co LP / PTL Finance Corp. 0% CP 28/04/2026",
        "value": "1993550.60",
        "weight": "0.01560182",
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      },
      {
        "name": "VW Credit Inc",
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      },
      {
        "name": "BHG Securitization Trust, Series 2021-B, Class C",
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        "shared": false
      },
      {
        "name": "Enterprise Fleet Financing LLC, Series 2026-1, Class A2",
        "value": "1297288.59",
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      },
      {
        "name": "Elmwood CLO I Ltd., Series 2019-1A, Class A1R3",
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      },
      {
        "name": "WLAKE 2025-2A A3",
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      },
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        "name": "LAD AUTO RECEIVABLES TRUST 2023-3 SER 2023-3A CL C REGD 144A P/P 6.43000000",
        "value": "1015210.10",
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        "shared": false
      },
      {
        "name": "AFFRM 2024-B A 144A 4.62% 09-15-29",
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      },
      {
        "name": "SDART 2025-3 A3",
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      },
      {
        "name": "Nelnet Student Loan Trust 2018-5",
        "value": "954597.60",
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      },
      {
        "name": "State Street Navigator Securities Lending Government Money Market Portfolio",
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      },
      {
        "name": "HPS LOAN MANAGEMENT 2021-16 LTD HLM 2021-16A A1R",
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      },
      {
        "name": "BLUE OWL TECHNOL",
        "value": "866987.32",
        "weight": "0.00678517",
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      },
      {
        "name": "GOLUB CAPITAL",
        "value": "847244.50",
        "weight": "0.00663066",
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      },
      {
        "name": "Sofi Professional Loan Program 2019-A LLC",
        "value": "840466.11",
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      },
      {
        "name": "ENSTAR GROUP LTD",
        "value": "816182.85",
        "weight": "0.00638757",
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      },
      {
        "name": "Woori Bank",
        "value": "810452.35",
        "weight": "0.00634272",
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      },
      {
        "name": "SANTOS FINANCE LTD REGD 144A P/P 3.64900000",
        "value": "771981.87",
        "weight": "0.00604164",
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      {
        "name": "BGC GROUP INC",
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      {
        "name": "OAK STREET INVESTMENT GRADE NET LEASE FUND SERIES OAKIG 2020-1A A1",
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      },
      {
        "name": "Symphony CLO XXII Ltd",
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      {
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      {
        "name": "HUMANA INC",
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      },
      {
        "name": "SMB PRIVATE EDUCATION LOAN TRUST 2023-D SER 2023-D CL A1B V/R REGD 144A P/P 5.63385000",
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        "weight": "0.00520015",
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      },
      {
        "name": "Laurel Road Prime Student Loan Trust 2019-A",
        "value": "664377.46",
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      {
        "name": "SYNOVUS BANK GA",
        "value": "660320.25",
        "weight": "0.00516776",
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      },
      {
        "name": "MORGAN STANLEY",
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      {
        "name": "NWSA 3.875 05/15/29 144A",
        "value": "632123.71",
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      {
        "name": "HIGHWOODS REALTY",
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      {
        "name": "Cox Enterprises, Inc. 1.80 10/01/2030",
        "value": "630396.44",
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        "name": "Fortitude Global Funding 4.63 10/06/2028",
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      {
        "name": "JH North America Holdings Inc.",
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        "name": "CELANESE US HLDS",
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        "name": "ELLINGTON FINANCIAL MORTGAGE T EFMT 2024 INV2 A2 144A",
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      {
        "name": "Ellington Financial Mortgage Trust",
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        "name": "ORACLE CORP",
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        "name": "Citadel Finance LLC",
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        "name": "US TREASURY N/B",
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      {
        "name": "US TREASURY N/B",
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      {
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      {
        "name": "EchoStar Corp",
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      {
        "name": "CONTINENTAL RESOURCES REGD 144A P/P 5.75000000",
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      {
        "name": "Presidencia da Republica",
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      {
        "name": "MORGAN STANLEY",
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        "name": "GLENCORE FDG LLC",
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        "name": "WHEAT SEP 26",
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      {
        "name": "ROCKET MTGE. LLC / 3.875%",
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      {
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      },
      {
        "name": "BOEING CO",
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        "name": "MEXICO UNITED MEXICAN STATES 8% 07/31/2053",
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      {
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      {
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      {
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      {
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      {
        "name": "TARGA RESOURCES",
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      },
      {
        "name": "Turkiye Government Bond",
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      {
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      {
        "name": "BX Trust 2025-VLT6",
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      {
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      {
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      {
        "name": "BOEING CO/THE",
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      },
      {
        "name": "Oaktree CLO 2019-2 Ltd",
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      },
      {
        "name": "CSC HOLDINGS LLC REGD 144A P/P 5.37500000",
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      },
      {
        "name": "BROADCOM INC",
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      },
      {
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      },
      {
        "name": "ASHTEAD CAPITAL",
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      {
        "name": "Canadian Government Bond",
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      },
      {
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      },
      {
        "name": "TURKIYE GOVERNMENT BOND TRY 36.0% 08-12-26",
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      },
      {
        "name": "JEFFERIES GROUP",
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      {
        "name": "AERCAP IRELAND",
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      {
        "name": "JPMorgan Chase & Co., Series OO",
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      {
        "name": "UZBEKISTAN INTL BOND REGD 144A P/P 6.90000000",
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      },
      {
        "name": "Ball Corp.",
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      {
        "name": "CHILE",
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      },
      {
        "name": "Ardonagh Midco 3 PLC 2024 USD Term Loan B",
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      },
      {
        "name": "ENTG 4.75 04/15/29 144A",
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      },
      {
        "name": "T/L DAYFORCE INC REGD 0.00000000",
        "value": "1550653.49",
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    ]
  },
  "error": null,
  "sources": [
    {
      "label": "N-PORT (fund A)",
      "accession_no": "0001410368-26-053584",
      "as_of": "2026-03-31",
      "edgar_url": "https://www.sec.gov/Archives/edgar/data/927972/000141036826053584/0001410368-26-053584-index.htm"
    },
    {
      "label": "N-PORT (fund B)",
      "accession_no": "0001410368-26-056161",
      "as_of": "2026-03-31",
      "edgar_url": "https://www.sec.gov/Archives/edgar/data/917469/000141036826056161/0001410368-26-056161-index.htm"
    }
  ]
}