{
  "page": "compare",
  "query": {
    "a": "MLTKX",
    "b": "MLLAX"
  },
  "retrieved_at": "2026-07-07T16:17:34+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 2030 Fund",
    "ticker": "MLTKX",
    "slug": "MLTKX",
    "series_id": "S000002504",
    "html_url": "https://fundwatcher.app/funds/MLTKX/"
  },
  "fund_b": {
    "name": "MFS Lifetime Income Fund",
    "ticker": "MLLAX",
    "slug": "MLLAX",
    "series_id": "S000002501",
    "html_url": "https://fundwatcher.app/funds/MLLAX/"
  },
  "overlap": {
    "coverage_a_by_b": "0.8582122523340671562128427328",
    "coverage_b_by_a": "0.8582122523340671562128427328",
    "shared_count": 27,
    "as_of": {
      "a": "2026-01-31",
      "b": "2026-01-31"
    },
    "a_top": [
      {
        "name": "MFS Research Bond Fund",
        "value": "107892474.51",
        "weight": "0.14798451",
        "shared": true
      },
      {
        "name": "MFS Ltd Maturity Fund",
        "value": "77508325.52",
        "weight": "0.10630984",
        "shared": true
      },
      {
        "name": "MFS Inflation Adjusted Bond Fund",
        "value": "73169550.22",
        "weight": "0.10035880",
        "shared": true
      },
      {
        "name": "MFS Government Securities Fund",
        "value": "72930608.26",
        "weight": "0.10003107",
        "shared": true
      },
      {
        "name": "MFS Global Opportunistic Bond Fund",
        "value": "51101400.47",
        "weight": "0.07009030",
        "shared": true
      },
      {
        "name": "MFS Blended Research International Equity Fund",
        "value": "30771849.88",
        "weight": "0.04220644",
        "shared": true
      },
      {
        "name": "MFS Blended Research Mid Cap Equity Fund",
        "value": "28218075.50",
        "weight": "0.03870370",
        "shared": true
      },
      {
        "name": "MFS High Income Fund",
        "value": "28153991.10",
        "weight": "0.03861580",
        "shared": true
      },
      {
        "name": "MFS Blended Research Value Equity Fund",
        "value": "21543761.84",
        "weight": "0.02954926",
        "shared": true
      },
      {
        "name": "MFS-VALUE-R6",
        "value": "21476876.23",
        "weight": "0.02945752",
        "shared": true
      },
      {
        "name": "MFS Blended Research Core Equity Fund",
        "value": "18876275.94",
        "weight": "0.02589056",
        "shared": true
      },
      {
        "name": "MFS-RESEAR-R6",
        "value": "18813904.43",
        "weight": "0.02580501",
        "shared": true
      },
      {
        "name": "MFS Blended Research Growth Equity Fund",
        "value": "18666628.05",
        "weight": "0.02560301",
        "shared": true
      },
      {
        "name": "MFS Growth Fund",
        "value": "18536303.63",
        "weight": "0.02542425",
        "shared": true
      },
      {
        "name": "MFS-RSCH IN-R6",
        "value": "15514314.06",
        "weight": "0.02127932",
        "shared": true
      },
      {
        "name": "MFS-GL RL ES-R5",
        "value": "14655961.19",
        "weight": "0.02010201",
        "shared": true
      },
      {
        "name": "MFS Commodity Strategy Fund",
        "value": "14616031.30",
        "weight": "0.02004724",
        "shared": true
      },
      {
        "name": "MFS Mid Cap Value Fund",
        "value": "14259858.41",
        "weight": "0.01955871",
        "shared": true
      },
      {
        "name": "MFS Emerging Markets Debt Local Currency Fund",
        "value": "14210626.77",
        "weight": "0.01949119",
        "shared": true
      },
      {
        "name": "MFS Emerging Markets Debt Fund",
        "value": "14185756.68",
        "weight": "0.01945708",
        "shared": true
      },
      {
        "name": "MFS Mid Cap Growth Fund",
        "value": "13911858.18",
        "weight": "0.01908140",
        "shared": true
      },
      {
        "name": "MFS Institutional Money Market Portfolio, Class A",
        "value": "10837084.93",
        "weight": "0.01486406",
        "shared": true
      },
      {
        "name": "MFS International Intrinsic Value Fund",
        "value": "7527145.93",
        "weight": "0.01032418",
        "shared": true
      },
      {
        "name": "MFS-INTL GRW-R6",
        "value": "7494507.84",
        "weight": "0.01027941",
        "shared": true
      },
      {
        "name": "MFS Blended Research Small Cap Equity Fund",
        "value": "7109601.71",
        "weight": "0.00975148",
        "shared": true
      },
      {
        "name": "MFS New Discovery Value Fund",
        "value": "3571801.42",
        "weight": "0.00489906",
        "shared": true
      },
      {
        "name": "MFS New Discovery Fund",
        "value": "3524959.81",
        "weight": "0.00483481",
        "shared": true
      }
    ],
    "b_top": [
      {
        "name": "MFS Ltd Maturity Fund",
        "value": "104318268.70",
        "weight": "0.20051075",
        "shared": true
      },
      {
        "name": "MFS Research Bond Fund",
        "value": "101535334.11",
        "weight": "0.19516166",
        "shared": true
      },
      {
        "name": "MFS Inflation Adjusted Bond Fund",
        "value": "52277220.37",
        "weight": "0.10048235",
        "shared": true
      },
      {
        "name": "MFS Government Securities Fund",
        "value": "52132085.03",
        "weight": "0.10020338",
        "shared": true
      },
      {
        "name": "MFS Global Opportunistic Bond Fund",
        "value": "36496832.55",
        "weight": "0.07015077",
        "shared": true
      },
      {
        "name": "MFS Blended Research Mid Cap Equity Fund",
        "value": "15345141.26",
        "weight": "0.02949499",
        "shared": true
      },
      {
        "name": "MFS Blended Research International Equity Fund",
        "value": "14425458.12",
        "weight": "0.02772726",
        "shared": true
      },
      {
        "name": "MFS-GL RL ES-R5",
        "value": "10486079.16",
        "weight": "0.02015535",
        "shared": true
      },
      {
        "name": "MFS Blended Research Value Equity Fund",
        "value": "10438662.70",
        "weight": "0.02006421",
        "shared": true
      },
      {
        "name": "MFS-VALUE-R6",
        "value": "10436800.46",
        "weight": "0.02006063",
        "shared": true
      },
      {
        "name": "MFS Commodity Strategy Fund",
        "value": "10390745.14",
        "weight": "0.01997211",
        "shared": true
      },
      {
        "name": "MFS High Income Fund",
        "value": "10382486.64",
        "weight": "0.01995624",
        "shared": true
      },
      {
        "name": "MFS-RSCH IN-R6",
        "value": "8644507.71",
        "weight": "0.01661566",
        "shared": true
      },
      {
        "name": "MFS Blended Research Core Equity Fund",
        "value": "8512823.12",
        "weight": "0.01636255",
        "shared": true
      },
      {
        "name": "MFS-RESEAR-R6",
        "value": "8487552.33",
        "weight": "0.01631397",
        "shared": true
      },
      {
        "name": "MFS Blended Research Growth Equity Fund",
        "value": "8431339.92",
        "weight": "0.01620593",
        "shared": true
      },
      {
        "name": "MFS Growth Fund",
        "value": "8365517.82",
        "weight": "0.01607941",
        "shared": true
      },
      {
        "name": "MFS Mid Cap Value Fund",
        "value": "7751678.42",
        "weight": "0.01489955",
        "shared": true
      },
      {
        "name": "MFS Institutional Money Market Portfolio, Class A",
        "value": "7613448.96",
        "weight": "0.01463385",
        "shared": true
      },
      {
        "name": "MFS Mid Cap Growth Fund",
        "value": "7561004.03",
        "weight": "0.01453305",
        "shared": true
      },
      {
        "name": "MFS Emerging Markets Debt Fund",
        "value": "5222196.41",
        "weight": "0.01003761",
        "shared": true
      },
      {
        "name": "MFS Emerging Markets Debt Local Currency Fund",
        "value": "5221490.28",
        "weight": "0.01003626",
        "shared": true
      },
      {
        "name": "MFS Blended Research Small Cap Equity Fund",
        "value": "5043567.93",
        "weight": "0.00969427",
        "shared": true
      },
      {
        "name": "MFS International Intrinsic Value Fund",
        "value": "2853190.81",
        "weight": "0.00548413",
        "shared": true
      },
      {
        "name": "MFS-INTL GRW-R6",
        "value": "2840197.42",
        "weight": "0.00545916",
        "shared": true
      },
      {
        "name": "MFS New Discovery Value Fund",
        "value": "2547053.44",
        "weight": "0.00489571",
        "shared": true
      },
      {
        "name": "MFS New Discovery Fund",
        "value": "2502036.57",
        "weight": "0.00480918",
        "shared": true
      }
    ]
  },
  "error": null,
  "sources": [
    {
      "label": "N-PORT (fund A)",
      "accession_no": "0001410368-26-032767",
      "as_of": "2026-01-31",
      "edgar_url": "https://www.sec.gov/Archives/edgar/data/1330967/000141036826032767/0001410368-26-032767-index.htm"
    },
    {
      "label": "N-PORT (fund B)",
      "accession_no": "0001410368-26-032768",
      "as_of": "2026-01-31",
      "edgar_url": "https://www.sec.gov/Archives/edgar/data/1330967/000141036826032768/0001410368-26-032768-index.htm"
    }
  ]
}