{
  "page": "compare",
  "query": {
    "a": "LFIBX",
    "b": "MFJAX"
  },
  "retrieved_at": "2026-07-07T17:23:23+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 Lifetime 2055 Fund",
    "ticker": "LFIBX",
    "slug": "LFIBX",
    "series_id": "S000038776",
    "html_url": "https://fundwatcher.app/funds/LFIBX/"
  },
  "fund_b": {
    "name": "MFS Lifetime 2060 Fund",
    "ticker": "MFJAX",
    "slug": "MFJAX",
    "series_id": "S000055287",
    "html_url": "https://fundwatcher.app/funds/MFJAX/"
  },
  "overlap": {
    "coverage_a_by_b": "0.9955326141438342455154097336",
    "coverage_b_by_a": "0.9955326141438342455154097336",
    "shared_count": 24,
    "as_of": {
      "a": "2026-01-31",
      "b": "2026-01-31"
    },
    "a_top": [
      {
        "name": "MFS Blended Research International Equity Fund",
        "value": "51956072.12",
        "weight": "0.11449141",
        "shared": true
      },
      {
        "name": "MFS Blended Research Mid Cap Equity Fund",
        "value": "44850178.83",
        "weight": "0.09883272",
        "shared": true
      },
      {
        "name": "MFS Blended Research Value Equity Fund",
        "value": "25193250.97",
        "weight": "0.05551633",
        "shared": true
      },
      {
        "name": "MFS-VALUE-R6",
        "value": "24915622.33",
        "weight": "0.05490455",
        "shared": true
      },
      {
        "name": "MFS Commodity Strategy Fund",
        "value": "23689585.98",
        "weight": "0.05220283",
        "shared": true
      },
      {
        "name": "MFS Blended Research Growth Equity Fund",
        "value": "22859433.83",
        "weight": "0.05037349",
        "shared": true
      },
      {
        "name": "MFS Mid Cap Value Fund",
        "value": "22671749.80",
        "weight": "0.04995991",
        "shared": true
      },
      {
        "name": "MFS Growth Fund",
        "value": "22671660.24",
        "weight": "0.04995971",
        "shared": true
      },
      {
        "name": "MFS-GL RL ES-R5",
        "value": "22630926.79",
        "weight": "0.04986995",
        "shared": true
      },
      {
        "name": "MFS Mid Cap Growth Fund",
        "value": "21782866.07",
        "weight": "0.04800114",
        "shared": true
      },
      {
        "name": "MFS Blended Research Core Equity Fund",
        "value": "20910939.22",
        "weight": "0.04607975",
        "shared": true
      },
      {
        "name": "MFS-RESEAR-R6",
        "value": "20825083.20",
        "weight": "0.04589056",
        "shared": true
      },
      {
        "name": "MFS-RSCH IN-R6",
        "value": "18792548.14",
        "weight": "0.04141162",
        "shared": true
      },
      {
        "name": "MFS-INT N D-R6",
        "value": "18549071.06",
        "weight": "0.04087509",
        "shared": true
      },
      {
        "name": "MFS International Intrinsic Value Fund",
        "value": "16273830.71",
        "weight": "0.03586133",
        "shared": true
      },
      {
        "name": "MFS-INTL GRW-R6",
        "value": "16113235.00",
        "weight": "0.03550744",
        "shared": true
      },
      {
        "name": "MFS Inflation Adjusted Bond Fund",
        "value": "11266192.92",
        "weight": "0.02482640",
        "shared": true
      },
      {
        "name": "MFS Blended Research Small Cap Equity Fund",
        "value": "11264397.13",
        "weight": "0.02482244",
        "shared": true
      },
      {
        "name": "MFS Research Bond Fund",
        "value": "9093567.86",
        "weight": "0.02003876",
        "shared": true
      },
      {
        "name": "MFS Institutional Money Market Portfolio, Class A",
        "value": "6693495.52",
        "weight": "0.01474992",
        "shared": true
      },
      {
        "name": "MFS New Discovery Value Fund",
        "value": "5700049.73",
        "weight": "0.01256074",
        "shared": true
      },
      {
        "name": "MFS New Discovery Fund",
        "value": "5592839.53",
        "weight": "0.01232449",
        "shared": true
      },
      {
        "name": "MFS Blended Research Emerging Markets Equity Fund",
        "value": "4797214.08",
        "weight": "0.01057123",
        "shared": true
      },
      {
        "name": "MFS Emerging Markets Equity Fund",
        "value": "4705075.55",
        "weight": "0.01036820",
        "shared": true
      }
    ],
    "b_top": [
      {
        "name": "MFS Blended Research International Equity Fund",
        "value": "30419011.13",
        "weight": "0.11405196",
        "shared": true
      },
      {
        "name": "MFS Blended Research Mid Cap Equity Fund",
        "value": "26226275.64",
        "weight": "0.09833187",
        "shared": true
      },
      {
        "name": "MFS Blended Research Value Equity Fund",
        "value": "14740999.74",
        "weight": "0.05526938",
        "shared": true
      },
      {
        "name": "MFS-VALUE-R6",
        "value": "14699525.94",
        "weight": "0.05511388",
        "shared": true
      },
      {
        "name": "MFS Blended Research Growth Equity Fund",
        "value": "13646866.09",
        "weight": "0.05116708",
        "shared": true
      },
      {
        "name": "MFS Growth Fund",
        "value": "13546957.26",
        "weight": "0.05079248",
        "shared": true
      },
      {
        "name": "MFS Commodity Strategy Fund",
        "value": "13462027.29",
        "weight": "0.05047405",
        "shared": true
      },
      {
        "name": "MFS-GL RL ES-R5",
        "value": "13395311.34",
        "weight": "0.05022391",
        "shared": true
      },
      {
        "name": "MFS Mid Cap Value Fund",
        "value": "13246497.18",
        "weight": "0.04966595",
        "shared": true
      },
      {
        "name": "MFS Mid Cap Growth Fund",
        "value": "12914998.80",
        "weight": "0.04842304",
        "shared": true
      },
      {
        "name": "MFS Blended Research Core Equity Fund",
        "value": "12451840.84",
        "weight": "0.04668649",
        "shared": true
      },
      {
        "name": "MFS-RESEAR-R6",
        "value": "12403034.22",
        "weight": "0.04650350",
        "shared": true
      },
      {
        "name": "MFS-RSCH IN-R6",
        "value": "11011919.90",
        "weight": "0.04128770",
        "shared": true
      },
      {
        "name": "MFS-INT N D-R6",
        "value": "10934135.21",
        "weight": "0.04099606",
        "shared": true
      },
      {
        "name": "MFS International Intrinsic Value Fund",
        "value": "9550770.28",
        "weight": "0.03580932",
        "shared": true
      },
      {
        "name": "MFS-INTL GRW-R6",
        "value": "9503330.47",
        "weight": "0.03563145",
        "shared": true
      },
      {
        "name": "MFS Inflation Adjusted Bond Fund",
        "value": "6684457.45",
        "weight": "0.02506247",
        "shared": true
      },
      {
        "name": "MFS Blended Research Small Cap Equity Fund",
        "value": "6501260.80",
        "weight": "0.02437560",
        "shared": true
      },
      {
        "name": "MFS Research Bond Fund",
        "value": "5378078.10",
        "weight": "0.02016438",
        "shared": true
      },
      {
        "name": "MFS Institutional Money Market Portfolio, Class A",
        "value": "3936963.29",
        "weight": "0.01476111",
        "shared": true
      },
      {
        "name": "MFS New Discovery Value Fund",
        "value": "3270258.78",
        "weight": "0.01226139",
        "shared": true
      },
      {
        "name": "MFS New Discovery Fund",
        "value": "3226191.03",
        "weight": "0.01209617",
        "shared": true
      },
      {
        "name": "MFS Blended Research Emerging Markets Equity Fund",
        "value": "2790945.44",
        "weight": "0.01046427",
        "shared": true
      },
      {
        "name": "MFS Emerging Markets Equity Fund",
        "value": "2770199.40",
        "weight": "0.01038649",
        "shared": true
      }
    ]
  },
  "error": null,
  "sources": [
    {
      "label": "N-PORT (fund A)",
      "accession_no": "0001410368-26-032755",
      "as_of": "2026-01-31",
      "edgar_url": "https://www.sec.gov/Archives/edgar/data/1330967/000141036826032755/0001410368-26-032755-index.htm"
    },
    {
      "label": "N-PORT (fund B)",
      "accession_no": "0001410368-26-032758",
      "as_of": "2026-01-31",
      "edgar_url": "https://www.sec.gov/Archives/edgar/data/1330967/000141036826032758/0001410368-26-032758-index.htm"
    }
  ]
}