{
  "page": "compare",
  "query": {
    "a": "MFRFX",
    "b": "MFSG"
  },
  "retrieved_at": "2026-07-07T18:30:07+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 Research Fund",
    "ticker": "MFRFX",
    "slug": "MFRFX",
    "series_id": "S000002438",
    "html_url": "https://fundwatcher.app/funds/MFRFX/"
  },
  "fund_b": {
    "name": "MFS Active Growth ETF",
    "ticker": "MFSG",
    "slug": "MFSG",
    "series_id": "S000085667",
    "html_url": "https://fundwatcher.app/funds/MFSG/"
  },
  "overlap": {
    "coverage_a_by_b": "0.5348721957226266465205155422",
    "coverage_b_by_a": "0.5348721957226266465205155422",
    "shared_count": 32,
    "as_of": {
      "a": "2026-03-31",
      "b": "2026-02-28"
    },
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      },
      {
        "name": "MICROSOFT CORP",
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      },
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        "name": "ALPHABET INC CL A",
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        "name": "AMAZON.COM INC",
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        "name": "BROADCOM INC",
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        "name": "META PLATFORMS INC CL A",
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      {
        "name": "MASTERCARD INC CL A",
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      },
      {
        "name": "JPMORGAN CHASE and CO",
        "value": "182183289.44",
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        "name": "EXXON MOBIL CORP",
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        "name": "LAM RESEARCH CORP",
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      {
        "name": "RTX CORP",
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        "name": "SPOTIFY TECHNOLOGY SA",
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        "name": "PNC FINANCIAL SERVICES GRP INC",
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        "name": "CATERPILLAR INC",
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        "name": "THERMO FISHER SCIENTIFIC INC",
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        "name": "CHUBB LTD",
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        "name": "PFIZER INC",
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        "name": "MORGAN STANLEY",
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      {
        "name": "ARAMARK",
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        "name": "GILEAD SCIENCES INC",
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      {
        "name": "MEDTRONIC PLC",
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      {
        "name": "PHILIP MORRIS INTL INC",
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      {
        "name": "ARISTA NETWORKS INC",
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      {
        "name": "GENERAL DYNAMICS CORPORATION",
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      {
        "name": "TRANE TECHNOLOGIES PLC",
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      {
        "name": "ACCENTURE PLC CL A",
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      {
        "name": "PEPSICO INC",
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      {
        "name": "HILTON WORLDWIDE HOLDINGS INC",
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        "name": "CRH PLC",
        "value": "55360712.16",
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      {
        "name": "TJX COS INC",
        "value": "54868129.00",
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      {
        "name": "T-MOBILE US INC",
        "value": "53543788.02",
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      {
        "name": "SALESFORCE INC",
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      {
        "name": "WATERS CORP",
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      {
        "name": "HOWMET AEROSPACE INC",
        "value": "51750714.84",
        "weight": "0.00706577",
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      {
        "name": "MFS Institutional Money Market Portfolio, Class A",
        "value": "51411502.20",
        "weight": "0.00701945",
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      {
        "name": "MOODYS CORP",
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      {
        "name": "MCKESSON CORP",
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        "name": "PROGRESSIVE CORP OHIO",
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        "name": "BECTON DICKINSON and CO",
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      {
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      {
        "name": "BJS WHSL CLUB HLDGS INC",
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      {
        "name": "UBER TECHNOLOGIES INC",
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    ],
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      {
        "name": "ALPHABET INC CL A",
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      {
        "name": "AMAZON.COM INC",
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      {
        "name": "META PLATFORMS INC CL A",
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      {
        "name": "VISA INC-CLASS A",
        "value": "5943078.96",
        "weight": "0.03099888",
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      {
        "name": "GE VERNOVA LLC",
        "value": "5737804.80",
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      },
      {
        "name": "BROADCOM INC",
        "value": "5712595.35",
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      {
        "name": "TAIWAN SEMIC MFG CO LTD SP ADR",
        "value": "4774396.68",
        "weight": "0.02490308",
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      },
      {
        "name": "AMPHENOL CORPORATION CL A",
        "value": "3999999.16",
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      {
        "name": "GENERAL ELECTRIC CO",
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      {
        "name": "KLA CORP",
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      {
        "name": "LAM RESEARCH CORP",
        "value": "2814632.26",
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      {
        "name": "TJX COS INC",
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      {
        "name": "THERMO FISHER SCIENTIFIC INC",
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      {
        "name": "AUTODESK INC",
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      {
        "name": "MEDTRONIC PLC",
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        "name": "WATERS CORP",
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      {
        "name": "PHILIP MORRIS INTL INC",
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      {
        "name": "AMETEK INC NEW",
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      {
        "name": "NASDAQ INC",
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      {
        "name": "GILEAD SCIENCES INC",
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      {
        "name": "MARRIOTT INTL-A",
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      {
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      {
        "name": "ABBOTT LABS",
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      {
        "name": "MONSTER BEVERAGE CORP",
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      },
      {
        "name": "SHOPIFY INC CL A",
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        "name": "STARBUCKS CORP",
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      },
      {
        "name": "APPLOVIN CORP",
        "value": "1548215.97",
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      },
      {
        "name": "CADENCE DESIGN SYSTEMS INC",
        "value": "1530810.60",
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      },
      {
        "name": "ARISTA NETWORKS INC",
        "value": "1480782.00",
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      {
        "name": "INTERCONTINENTAL EXCHANGE INC",
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      {
        "name": "DANAHER CORP",
        "value": "1424347.68",
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      {
        "name": "CATERPILLAR INC",
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      {
        "name": "CRH PLC",
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      {
        "name": "WESTERN DIGITAL CORP",
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        "name": "UBER TECHNOLOGIES INC",
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      {
        "name": "KKR & CO INC",
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      {
        "name": "SPOTIFY TECHNOLOGY SA",
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      {
        "name": "PARKER HANNIFIN CORP",
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      },
      {
        "name": "TKO GROUP HOLDINGS INC",
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      {
        "name": "SNOWFLAKE INC CL A",
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      },
      {
        "name": "FIFTH THIRD BANCORP",
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      },
      {
        "name": "ASM INTL NV",
        "value": "1001707.88",
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      },
      {
        "name": "AIRBNB INC CLASS A",
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      },
      {
        "name": "WW GRAINGER INC",
        "value": "939823.33",
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      },
      {
        "name": "SAP SE",
        "value": "903660.52",
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    ]
  },
  "error": null,
  "sources": [
    {
      "label": "N-PORT (fund A)",
      "accession_no": "0002071691-26-011423",
      "as_of": "2026-03-31",
      "edgar_url": "https://www.sec.gov/Archives/edgar/data/200489/000207169126011423/0002071691-26-011423-index.htm"
    },
    {
      "label": "N-PORT (fund B)",
      "accession_no": "0001410368-26-040055",
      "as_of": "2026-02-28",
      "edgar_url": "https://www.sec.gov/Archives/edgar/data/2018846/000141036826040055/0001410368-26-040055-index.htm"
    }
  ]
}