{
  "page": "compare",
  "query": {
    "a": "MMUIX",
    "b": "FSUTX"
  },
  "retrieved_at": "2026-07-07T17:03:06+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": "MFS Utilities Fund",
    "ticker": "MMUIX",
    "slug": "MMUIX",
    "series_id": "S000002470",
    "html_url": "https://fundwatcher.app/funds/MMUIX/"
  },
  "fund_b": {
    "name": "Select Utilities Portfolio",
    "ticker": "FSUTX",
    "slug": "FSUTX",
    "series_id": "S000007488",
    "html_url": "https://fundwatcher.app/funds/FSUTX/"
  },
  "overlap": {
    "coverage_a_by_b": "0.5649896570546407412498493722",
    "coverage_b_by_a": "0.5649896570546407412498493722",
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    "as_of": {
      "a": "2026-04-30",
      "b": "2026-02-28"
    },
    "a_top": [
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      },
      {
        "name": "PG&E CORP",
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      },
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        "name": "XCEL ENERGY INC",
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      {
        "name": "DOMINION ENERGY INC",
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        "name": "VISTRA CORP",
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      {
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        "name": "SSE PLC",
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        "name": "EDP RENOVAVEIS S",
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        "name": "AMERICAN WATER WRKS COMPANY",
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        "name": "NATIONAL GRID PL",
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      {
        "name": "EDP SA",
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      {
        "name": "MFS Institutional Money Market Portfolio, Class A",
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      {
        "name": "ENEL SPA",
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      {
        "name": "E.ON SE",
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      {
        "name": "VEOLIA ENVIRONNE",
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      {
        "name": "SPIRE INC",
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      {
        "name": "ORSTED A/S",
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      {
        "name": "US ULTRA BOND CBT Sep25",
        "value": "799718.00",
        "weight": "0.00028407",
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      },
      {
        "name": "ISRAELI SHEKEL",
        "value": "10525.90",
        "weight": "0.00000374",
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      },
      {
        "name": "British Pound",
        "value": "82.03",
        "weight": "0.00000003",
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      },
      {
        "name": "FX Spot Contract: EUR/USD SETTLE 2026-01-05",
        "value": "7.08",
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    ],
    "b_top": [
      {
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      {
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      {
        "name": "DUKE ENERGY CORP NEW",
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      {
        "name": "SEMPRA ENERGY",
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      {
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      {
        "name": "ENTERGY CORP",
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      {
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      {
        "name": "XCEL ENERGY INC",
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      {
        "name": "AMERICAN ELECTRIC POWER CO INC",
        "value": "153253340.40",
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      },
      {
        "name": "AMEREN CORP",
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      },
      {
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      {
        "name": "PPL CORPORATION",
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      {
        "name": "EVERGY INC",
        "value": "124147591.64",
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      },
      {
        "name": "NISOURCE INC",
        "value": "120289907.10",
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      },
      {
        "name": "SOUTHERN CO",
        "value": "112783471.02",
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      {
        "name": "ALLIANT ENERGY CORPORATION",
        "value": "73873608.00",
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      {
        "name": "Fidelity Cash Central Fund",
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      },
      {
        "name": "Fidelity Securities Lending Cash Central Fund",
        "value": "50081186.44",
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      {
        "name": "NEXTRACKER INC CL A",
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      {
        "name": "TALEN ENERGY CORP",
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        "name": "ECHOSTAR CORP CL A",
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      {
        "name": "GE VERNOVA LLC",
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        "name": "MASTEC INC",
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      {
        "name": "UGI CORP NEW",
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      {
        "name": "QUANTA SVCS INC",
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        "name": "SIEMENS ENERGY AG",
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      {
        "name": "AES CORP",
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      {
        "name": "CATERPILLAR INC",
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      {
        "name": "BLOOM ENERGY CORP CL A",
        "value": "8312778.00",
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      {
        "name": "CENTURI HOLDINGS INC",
        "value": "6702200.00",
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      {
        "name": "CAMECO CORP",
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      {
        "name": "OKLO INC",
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    ]
  },
  "error": null,
  "sources": [
    {
      "label": "N-PORT (fund A)",
      "accession_no": "0002071691-26-015581",
      "as_of": "2026-04-30",
      "edgar_url": "https://www.sec.gov/Archives/edgar/data/863032/000207169126015581/0002071691-26-015581-index.htm"
    },
    {
      "label": "N-PORT (fund B)",
      "accession_no": "0000035402-26-002668",
      "as_of": "2026-02-28",
      "edgar_url": "https://www.sec.gov/Archives/edgar/data/320351/000003540226002668/0000035402-26-002668-index.htm"
    }
  ]
}