{
  "page": "compare",
  "query": {
    "a": "MMBEX",
    "b": "HCUSX"
  },
  "retrieved_at": "2026-07-07T16:09:20+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 Select T. Rowe Price Bond Asset Fund",
    "ticker": "MMBEX",
    "slug": "MMBEX",
    "series_id": "S000061106",
    "html_url": "https://fundwatcher.app/funds/MMBEX/"
  },
  "fund_b": {
    "name": "The U.S. Government Fixed Income Securities Portfolio",
    "ticker": "HCUSX",
    "slug": "HCUSX",
    "series_id": "S000029852",
    "html_url": "https://fundwatcher.app/funds/HCUSX/"
  },
  "overlap": {
    "coverage_a_by_b": "0.04180901948038277990788869186",
    "coverage_b_by_a": "0.04180901948038277990788869186",
    "shared_count": 21,
    "as_of": {
      "a": "2025-06-30",
      "b": "2025-12-31"
    },
    "a_top": [
      {
        "name": "US TREASURY N/B",
        "value": "8028287.06",
        "weight": "0.04103291",
        "shared": true
      },
      {
        "name": "US TREASURY N/B",
        "value": "6076319.13",
        "weight": "0.03105632",
        "shared": true
      },
      {
        "name": "US TREASURY N/B",
        "value": "5946470.81",
        "weight": "0.03039266",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "5705313.10",
        "weight": "0.02916010",
        "shared": true
      },
      {
        "name": "US TREASURY N/B",
        "value": "5563777.93",
        "weight": "0.02843670",
        "shared": true
      },
      {
        "name": "T Rowe Price Government Reserve Investment Fund",
        "value": "4979506.06",
        "weight": "0.02545046",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "2626933.54",
        "weight": "0.01342637",
        "shared": true
      },
      {
        "name": "US TREASURY N/B",
        "value": "1810580.15",
        "weight": "0.00925395",
        "shared": true
      },
      {
        "name": "Japan Government CPI Linked Bond",
        "value": "1633575.79",
        "weight": "0.00834927",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "1593717.72",
        "weight": "0.00814556",
        "shared": true
      },
      {
        "name": "United Kingdom of Great Britain and Northern Ireland",
        "value": "1571843.66",
        "weight": "0.00803376",
        "shared": false
      },
      {
        "name": "U.S. Treasury Bills",
        "value": "1458467.88",
        "weight": "0.00745429",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "1412555.62",
        "weight": "0.00721963",
        "shared": true
      },
      {
        "name": "US TREASURY N/B",
        "value": "1352583.01",
        "weight": "0.00691311",
        "shared": true
      },
      {
        "name": "US TREASURY N/B",
        "value": "1272899.17",
        "weight": "0.00650584",
        "shared": true
      },
      {
        "name": "MALAYSIA GOVT OF 4.736% 03/15/2046",
        "value": "1240446.83",
        "weight": "0.00633998",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "1162447.85",
        "weight": "0.00594132",
        "shared": true
      },
      {
        "name": "US TREASURY N/B",
        "value": "1144839.81",
        "weight": "0.00585132",
        "shared": true
      },
      {
        "name": "CANADIAN GOVERNMENT REAL RETURN BOND",
        "value": "1106135.44",
        "weight": "0.00565350",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "1104047.89",
        "weight": "0.00564284",
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      },
      {
        "name": "FIXED INC CLEARING CORP.REPO",
        "value": "1091768.84",
        "weight": "0.00558008",
        "shared": false
      },
      {
        "name": "Federal Republic of Germany",
        "value": "1084158.77",
        "weight": "0.00554118",
        "shared": false
      },
      {
        "name": "Kingdom of Belgium Government Bonds",
        "value": "1069008.61",
        "weight": "0.00546375",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "1032723.23",
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      },
      {
        "name": "French Republic Government Bonds OAT",
        "value": "958444.55",
        "weight": "0.00489865",
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      },
      {
        "name": "FN MA4255",
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      },
      {
        "name": "CANADIAN GOVERNMENT BONDS 03/29 4",
        "value": "890321.97",
        "weight": "0.00455047",
        "shared": false
      },
      {
        "name": "Czech Republic Government Bond",
        "value": "883680.00",
        "weight": "0.00451653",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "872952.29",
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      },
      {
        "name": "State Street Navigator Securities Lending Government Money Market Portfolio",
        "value": "833825.00",
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        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "816333.01",
        "weight": "0.00417231",
        "shared": true
      },
      {
        "name": "JAPAN GOVT 30-YR",
        "value": "783169.54",
        "weight": "0.00400281",
        "shared": false
      },
      {
        "name": "LATVIA REPUBLIC OF 0.375% 10/07/2026 REGS",
        "value": "730433.11",
        "weight": "0.00373327",
        "shared": false
      },
      {
        "name": "CHINA GOVERNMENT BOND CNY 2.47% 07-25-54",
        "value": "724775.65",
        "weight": "0.00370436",
        "shared": false
      },
      {
        "name": "FREDDIE MAC POOL",
        "value": "718275.31",
        "weight": "0.00367114",
        "shared": false
      },
      {
        "name": "JAPAN GOVT 30-YR",
        "value": "713532.84",
        "weight": "0.00364690",
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      },
      {
        "name": "US TREASURY N/B",
        "value": "711794.83",
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      },
      {
        "name": "Presidencia da Republica",
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        "shared": false
      },
      {
        "name": "Japan Government CPI-Linked Bonds",
        "value": "693230.82",
        "weight": "0.00354313",
        "shared": false
      },
      {
        "name": "REAL ESTATE ASSET LIQUIDITY TRUST",
        "value": "690445.76",
        "weight": "0.00352890",
        "shared": false
      },
      {
        "name": "Republic of Indonesia, The Government of, The",
        "value": "639478.03",
        "weight": "0.00326840",
        "shared": false
      },
      {
        "name": "UNITED KINGDOM GILT GBP REG S 3.25% 01-22-44",
        "value": "611209.59",
        "weight": "0.00312392",
        "shared": false
      },
      {
        "name": "Federal National Mortgage Association, Inc.",
        "value": "609556.89",
        "weight": "0.00311547",
        "shared": false
      },
      {
        "name": "LOGICOR FINANCING SARL 0.875% 01/14/2031 REGS",
        "value": "608178.04",
        "weight": "0.00310842",
        "shared": false
      },
      {
        "name": "INDIA GOVERNMENT BOND INR 6.54% 01-17-32",
        "value": "606484.67",
        "weight": "0.00309977",
        "shared": false
      },
      {
        "name": "CZECH REPUBLIC GOVERNMENT BOND CZK 4.9% 04-14-34",
        "value": "603671.55",
        "weight": "0.00308539",
        "shared": false
      },
      {
        "name": "French Republic Government Bonds OAT",
        "value": "600017.70",
        "weight": "0.00306672",
        "shared": false
      },
      {
        "name": "SWEDBANK HYPOTEK AB 3% 10/29/2030 REGS",
        "value": "592893.79",
        "weight": "0.00303031",
        "shared": false
      },
      {
        "name": "AUTOSTRADE PER L'ITALIA SPA 2.000000% 01/15/2030",
        "value": "589667.37",
        "weight": "0.00301381",
        "shared": false
      },
      {
        "name": "CHINA GOVT BOND",
        "value": "584011.34",
        "weight": "0.00298491",
        "shared": false
      }
    ],
    "b_top": [
      {
        "name": "ISHARES US TREASURY BOND ETF",
        "value": "254246655.00",
        "weight": "0.21279809",
        "shared": false
      },
      {
        "name": "Vanguard Scottsdale Funds INTERMEDIATE-TERM TREASURY",
        "value": "191050727.14",
        "weight": "0.15990468",
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      },
      {
        "name": "STATE STREET INSTITUTIONAL TREASURY PLUS MMKT",
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      },
      {
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      {
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      {
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      {
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      {
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      {
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      {
        "name": "US TREASURY N/B",
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      {
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      {
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      {
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      {
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      {
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        "name": "US TREASURY N/B",
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      {
        "name": "US TREASURY N/B",
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      {
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      },
      {
        "name": "US TREASURY N/B",
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      {
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    ]
  },
  "error": null,
  "sources": [
    {
      "label": "N-PORT (fund A)",
      "accession_no": "0001752724-25-201566",
      "as_of": "2025-06-30",
      "edgar_url": "https://www.sec.gov/Archives/edgar/data/916053/000175272425201566/0001752724-25-201566-index.htm"
    },
    {
      "label": "N-PORT (fund B)",
      "accession_no": "0001004726-26-001169",
      "as_of": "2025-12-31",
      "edgar_url": "https://www.sec.gov/Archives/edgar/data/934563/000100472626001169/0001004726-26-001169-index.htm"
    }
  ]
}