{
  "page": "compare",
  "query": {
    "a": "MCTAX",
    "b": "MROSX"
  },
  "retrieved_at": "2026-07-07T18:03:09+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": "MassMutual 20/80 Allocation Fund",
    "ticker": "MCTAX",
    "slug": "MCTAX",
    "series_id": "S000032893",
    "html_url": "https://fundwatcher.app/funds/MCTAX/"
  },
  "fund_b": {
    "name": "MassMutual 40/60 Allocation Fund",
    "ticker": "MROSX",
    "slug": "MROSX",
    "series_id": "S000032894",
    "html_url": "https://fundwatcher.app/funds/MROSX/"
  },
  "overlap": {
    "coverage_a_by_b": "0.7783266910996377432362006173",
    "coverage_b_by_a": "0.7783266910996377432362006174",
    "shared_count": 22,
    "as_of": {
      "a": "2025-06-30",
      "b": "2025-06-30"
    },
    "a_top": [
      {
        "name": "MassMutual Core Bond Fund",
        "value": "64299867.02",
        "weight": "0.35917792",
        "shared": true
      },
      {
        "name": "MassMutual Total Return Bond Fund",
        "value": "40810904.55",
        "weight": "0.22796899",
        "shared": true
      },
      {
        "name": "Vanguard Total Bond Market Index Fund, Class Institutional Shares",
        "value": "12482528.79",
        "weight": "0.06972719",
        "shared": true
      },
      {
        "name": "MassMutual Short-Duration Bond Fund",
        "value": "11761802.28",
        "weight": "0.06570122",
        "shared": true
      },
      {
        "name": "MM S&P 500 Index Fund",
        "value": "8873777.24",
        "weight": "0.04956876",
        "shared": true
      },
      {
        "name": "Invesco International Bond Fund, Class R6",
        "value": "7676268.87",
        "weight": "0.04287950",
        "shared": true
      },
      {
        "name": "MassMutual Equity Opportunities Fund",
        "value": "4946372.82",
        "weight": "0.02763035",
        "shared": true
      },
      {
        "name": "MassMutual Blue Chip Growth Fund",
        "value": "4266214.86",
        "weight": "0.02383100",
        "shared": true
      },
      {
        "name": "MassMutual Diversified Value Fund",
        "value": "4144177.19",
        "weight": "0.02314930",
        "shared": true
      },
      {
        "name": "VANGUARD DEVELOPED MARKETS IND VANGUARD DEV MKT INDX ADM",
        "value": "3174730.08",
        "weight": "0.01773399",
        "shared": false
      },
      {
        "name": "Vanguard Long-Term Treasury Index Fund",
        "value": "2997885.04",
        "weight": "0.01674613",
        "shared": true
      },
      {
        "name": "MassMutual Select Overseas Fund",
        "value": "2752674.60",
        "weight": "0.01537639",
        "shared": true
      },
      {
        "name": "Vanguard Mid-Cap Index Fund",
        "value": "2628290.04",
        "weight": "0.01468158",
        "shared": true
      },
      {
        "name": "MassMutual International Equity Fund",
        "value": "1447542.48",
        "weight": "0.00808595",
        "shared": true
      },
      {
        "name": "VANGUARD EMERGING MARKETS STOC VANGUARD EM MKT STK IND ADM",
        "value": "1175645.47",
        "weight": "0.00656713",
        "shared": true
      },
      {
        "name": "VANGUARD SMALL CAP INDEX FUND VANGUARD SML CAP INDX ADM",
        "value": "1143370.71",
        "weight": "0.00638685",
        "shared": true
      },
      {
        "name": "MassMutual Mid Cap Growth Fund",
        "value": "1031790.39",
        "weight": "0.00576356",
        "shared": true
      },
      {
        "name": "DFA Commodity Strategy Portfolio",
        "value": "948768.45",
        "weight": "0.00529980",
        "shared": true
      },
      {
        "name": "MassMutual Inflation-Protected and Income Fund",
        "value": "717255.81",
        "weight": "0.00400658",
        "shared": true
      },
      {
        "name": "Invesco Real Estate Fund",
        "value": "703663.44",
        "weight": "0.00393065",
        "shared": true
      },
      {
        "name": "MSSMTL-H/Y-I",
        "value": "527520.34",
        "weight": "0.00294672",
        "shared": true
      },
      {
        "name": "MassMutual Small Cap Growth Equity Fund",
        "value": "281719.48",
        "weight": "0.00157368",
        "shared": true
      },
      {
        "name": "MassMutual Global Floating Rate Fund",
        "value": "226770.71",
        "weight": "0.00126674",
        "shared": true
      }
    ],
    "b_top": [
      {
        "name": "MassMutual Core Bond Fund",
        "value": "49144101.44",
        "weight": "0.26638072",
        "shared": true
      },
      {
        "name": "MassMutual Total Return Bond Fund",
        "value": "31128279.52",
        "weight": "0.16872775",
        "shared": true
      },
      {
        "name": "MM S&P 500 Index Fund",
        "value": "18587009.82",
        "weight": "0.10074904",
        "shared": true
      },
      {
        "name": "MassMutual Equity Opportunities Fund",
        "value": "10123798.16",
        "weight": "0.05487504",
        "shared": true
      },
      {
        "name": "Vanguard Total Bond Market Index Fund, Class Institutional Shares",
        "value": "9507863.44",
        "weight": "0.05153643",
        "shared": true
      },
      {
        "name": "MassMutual Short-Duration Bond Fund",
        "value": "8994608.81",
        "weight": "0.04875438",
        "shared": true
      },
      {
        "name": "MassMutual Blue Chip Growth Fund",
        "value": "8927130.60",
        "weight": "0.04838863",
        "shared": true
      },
      {
        "name": "MassMutual Diversified Value Fund",
        "value": "8491554.90",
        "weight": "0.04602763",
        "shared": true
      },
      {
        "name": "VANGUARD DEVELOPED MARKETS IND VANGUARD DEV MKT INDX INST",
        "value": "6482137.24",
        "weight": "0.03513578",
        "shared": false
      },
      {
        "name": "MassMutual Select Overseas Fund",
        "value": "5938647.63",
        "weight": "0.03218985",
        "shared": true
      },
      {
        "name": "Invesco International Bond Fund, Class R6",
        "value": "5792796.98",
        "weight": "0.03139928",
        "shared": true
      },
      {
        "name": "Vanguard Mid-Cap Index Fund",
        "value": "5203757.93",
        "weight": "0.02820645",
        "shared": true
      },
      {
        "name": "MassMutual International Equity Fund",
        "value": "2967879.21",
        "weight": "0.01608709",
        "shared": true
      },
      {
        "name": "Vanguard Long-Term Treasury Index Fund",
        "value": "2516627.97",
        "weight": "0.01364113",
        "shared": true
      },
      {
        "name": "VANGUARD EMERGING MARKETS STOC VANGUARD EM MKT STK IND ADM",
        "value": "2271992.67",
        "weight": "0.01231511",
        "shared": true
      },
      {
        "name": "VANGUARD SMALL CAP INDEX FUND VANGUARD SML CAP INDX ADM",
        "value": "2246543.26",
        "weight": "0.01217716",
        "shared": true
      },
      {
        "name": "MassMutual Mid Cap Growth Fund",
        "value": "2091313.32",
        "weight": "0.01133576",
        "shared": true
      },
      {
        "name": "Invesco Real Estate Fund",
        "value": "1410547.27",
        "weight": "0.00764573",
        "shared": true
      },
      {
        "name": "DFA Commodity Strategy Portfolio",
        "value": "970017.45",
        "weight": "0.00525788",
        "shared": true
      },
      {
        "name": "MassMutual Small Cap Growth Equity Fund",
        "value": "569190.38",
        "weight": "0.00308524",
        "shared": true
      },
      {
        "name": "MassMutual Inflation-Protected and Income Fund",
        "value": "552950.32",
        "weight": "0.00299721",
        "shared": true
      },
      {
        "name": "MSSMTL-H/Y-I",
        "value": "396085.30",
        "weight": "0.00214694",
        "shared": true
      },
      {
        "name": "MassMutual Global Floating Rate Fund",
        "value": "173370.52",
        "weight": "0.00093974",
        "shared": true
      }
    ]
  },
  "error": null,
  "sources": [
    {
      "label": "N-PORT (fund A)",
      "accession_no": "0001752724-25-201504",
      "as_of": "2025-06-30",
      "edgar_url": "https://www.sec.gov/Archives/edgar/data/916053/000175272425201504/0001752724-25-201504-index.htm"
    },
    {
      "label": "N-PORT (fund B)",
      "accession_no": "0001752724-25-201546",
      "as_of": "2025-06-30",
      "edgar_url": "https://www.sec.gov/Archives/edgar/data/916053/000175272425201546/0001752724-25-201546-index.htm"
    }
  ]
}