{
  "page": "compare",
  "query": {
    "a": "GMBZX",
    "b": "FIGDX"
  },
  "retrieved_at": "2026-07-07T16:20:24+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": "Impact Bond Fund",
    "ticker": "GMBZX",
    "slug": "GMBZX",
    "series_id": "S000079509",
    "html_url": "https://fundwatcher.app/funds/GMBZX/"
  },
  "fund_b": {
    "name": "Fidelity Series Sustainable Investment Grade Bond Fund",
    "ticker": "FIGDX",
    "slug": "FIGDX",
    "series_id": "S000080313",
    "html_url": "https://fundwatcher.app/funds/FIGDX/"
  },
  "overlap": {
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    "coverage_b_by_a": "0.09293425814110544155387834220",
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    "as_of": {
      "a": "2026-03-31",
      "b": "2026-02-28"
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        "name": "GSK CONSUMER",
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        "name": "IQVIA INC SR SECURED 02/29 6.25",
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        "name": "HCA INC",
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        "name": "BX TRUST BX 2022 AHP C 144A",
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    ],
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      {
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      {
        "name": "Uniform Mortgage-Backed Security, TBA",
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      {
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        "name": "Allegro CLO XII Ltd., Series 2020-1A, Class A1R",
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      },
      {
        "name": "RR Ltd., Series 2024-28RA, Class A1R",
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      },
      {
        "name": "Magnetite XXVI Ltd., Series 2020-26A, Class AR2",
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      {
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        "name": "FNCL 5.5 3/25",
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      {
        "name": "US TREASURY N/B",
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      {
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      {
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      {
        "name": "Uniform Mortgage-Backed Security, TBA",
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      {
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      {
        "name": "Uniform Mortgage-Backed Security, TBA",
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        "name": "Government National Mortgage Association, TBA",
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        "name": "Magnetite Xlv Ltd., Series 2025-45A, Class A1",
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        "name": "US TREASURY N/B",
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        "name": "US TREASURY N/B",
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      },
      {
        "name": "Uniform Mortgage-Backed Security, TBA",
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      },
      {
        "name": "FN MA4654",
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      {
        "name": "US TREASURY N/B",
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      {
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    ]
  },
  "error": null,
  "sources": [
    {
      "label": "N-PORT (fund A)",
      "accession_no": "0002066578-26-001710",
      "as_of": "2026-03-31",
      "edgar_url": "https://www.sec.gov/Archives/edgar/data/1131013/000206657826001710/0002066578-26-001710-index.htm"
    },
    {
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      "accession_no": "0000035402-26-002622",
      "as_of": "2026-02-28",
      "edgar_url": "https://www.sec.gov/Archives/edgar/data/35315/000003540226002622/0000035402-26-002622-index.htm"
    }
  ]
}