{
  "page": "compare",
  "query": {
    "a": "MPFDX",
    "b": "SIGAX"
  },
  "retrieved_at": "2026-07-07T19:18:21+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": "Corporate Bond Portfolio",
    "ticker": "MPFDX",
    "slug": "MPFDX",
    "series_id": "S000004118",
    "html_url": "https://fundwatcher.app/funds/MPFDX/"
  },
  "fund_b": {
    "name": "Western Asset Corporate Bond Fund",
    "ticker": "SIGAX",
    "slug": "SIGAX",
    "series_id": "S000016627",
    "html_url": "https://fundwatcher.app/funds/SIGAX/"
  },
  "overlap": {
    "coverage_a_by_b": "0.08363931594834769324253706736",
    "coverage_b_by_a": "0.08363931594834769324253706735",
    "shared_count": 52,
    "as_of": {
      "a": "2026-03-31",
      "b": "2026-03-31"
    },
    "a_top": [
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        "weight": "0.01988545",
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      },
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        "shared": true
      },
      {
        "name": "MSILF-GOVT-INS",
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      },
      {
        "name": "ORACLE CORP",
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      },
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        "name": "WELLS FARGO CO",
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        "name": "VERIZON COMM INC",
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      },
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      },
      {
        "name": "BANK OF AMER CRP",
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      },
      {
        "name": "Imperial Brands PLC 5.875 07/01/2034",
        "value": "1157612.05",
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      },
      {
        "name": "CORPORATE OFFICE",
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      },
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      },
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        "name": "CENTENE CORP",
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        "name": "COMCAST CORP REGD 144A P/P 5.16800000",
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        "name": "BAT Capital Corp",
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        "name": "OCCIDENTAL PETE",
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        "name": "CRH AMERICA FIN",
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      {
        "name": "ESSENT GROUP LTD",
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        "name": "MPLX LP",
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      {
        "name": "AT&T Inc",
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      {
        "name": "United Airlines Pass Through Certificates, Series 2015-1",
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      {
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      {
        "name": "Enterprise Products Operating LLC, Series D",
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      },
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      },
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      },
      {
        "name": "SANDS CHINA LTD",
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      },
      {
        "name": "ENTERPRISE PRODU",
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        "name": "Renew, Series 2024-1A, Class A",
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        "name": "GLP Capital LP / GLP Financing II Inc",
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    ]
  },
  "error": null,
  "sources": [
    {
      "label": "N-PORT (fund A)",
      "accession_no": "0001410368-26-054370",
      "as_of": "2026-03-31",
      "edgar_url": "https://www.sec.gov/Archives/edgar/data/741375/000141036826054370/0001410368-26-054370-index.htm"
    },
    {
      "label": "N-PORT (fund B)",
      "accession_no": "0000940400-26-021631",
      "as_of": "2026-03-31",
      "edgar_url": "https://www.sec.gov/Archives/edgar/data/764624/000094040026021631/0000940400-26-021631-index.htm"
    }
  ]
}