{
  "page": "compare",
  "query": {
    "a": "MMBEX",
    "b": "MMBUX"
  },
  "retrieved_at": "2026-07-07T16:49:36+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": "MassMutual Select T. Rowe Price Small and Mid Cap Blend Fund",
    "ticker": "MMBUX",
    "slug": "MMBUX",
    "series_id": "S000061111",
    "html_url": "https://fundwatcher.app/funds/MMBUX/"
  },
  "overlap": {
    "coverage_a_by_b": "0.03246450888213463055529493606",
    "coverage_b_by_a": "0.03246450888213463055529493606",
    "shared_count": 3,
    "as_of": {
      "a": "2025-06-30",
      "b": "2025-06-30"
    },
    "a_top": [
      {
        "name": "US TREASURY N/B",
        "value": "8028287.06",
        "weight": "0.04103291",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "6076319.13",
        "weight": "0.03105632",
        "shared": false
      },
      {
        "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": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "5563777.93",
        "weight": "0.02843670",
        "shared": false
      },
      {
        "name": "T Rowe Price Government Reserve Investment Fund",
        "value": "4979506.06",
        "weight": "0.02545046",
        "shared": true
      },
      {
        "name": "US TREASURY N/B",
        "value": "2626933.54",
        "weight": "0.01342637",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "1810580.15",
        "weight": "0.00925395",
        "shared": false
      },
      {
        "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": false
      },
      {
        "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": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "1352583.01",
        "weight": "0.00691311",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "1272899.17",
        "weight": "0.00650584",
        "shared": false
      },
      {
        "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": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "1144839.81",
        "weight": "0.00585132",
        "shared": false
      },
      {
        "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",
        "shared": false
      },
      {
        "name": "FIXED INC CLEARING CORP.REPO",
        "value": "1091768.84",
        "weight": "0.00558008",
        "shared": true
      },
      {
        "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",
        "weight": "0.00527829",
        "shared": false
      },
      {
        "name": "French Republic Government Bonds OAT",
        "value": "958444.55",
        "weight": "0.00489865",
        "shared": false
      },
      {
        "name": "FN MA4255",
        "value": "919838.18",
        "weight": "0.00470133",
        "shared": false
      },
      {
        "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",
        "weight": "0.00446170",
        "shared": false
      },
      {
        "name": "State Street Navigator Securities Lending Government Money Market Portfolio",
        "value": "833825.00",
        "weight": "0.00426171",
        "shared": true
      },
      {
        "name": "US TREASURY N/B",
        "value": "816333.01",
        "weight": "0.00417231",
        "shared": false
      },
      {
        "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",
        "shared": false
      },
      {
        "name": "US TREASURY N/B",
        "value": "711794.83",
        "weight": "0.00363801",
        "shared": false
      },
      {
        "name": "Presidencia da Republica",
        "value": "704627.44",
        "weight": "0.00360138",
        "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": "T Rowe Price Government Reserve Investment Fund",
        "value": "3734328.21",
        "weight": "0.02262272",
        "shared": true
      },
      {
        "name": "TECHNIPFMC PLC",
        "value": "1788675.84",
        "weight": "0.01083587",
        "shared": false
      },
      {
        "name": "ESAB CORP",
        "value": "1722538.95",
        "weight": "0.01043521",
        "shared": false
      },
      {
        "name": "VEEVA SYSTEMS-A",
        "value": "1418877.46",
        "weight": "0.00859562",
        "shared": false
      },
      {
        "name": "API GROUP CORP",
        "value": "1371662.45",
        "weight": "0.00830959",
        "shared": false
      },
      {
        "name": "CORPAY INC",
        "value": "1358471.08",
        "weight": "0.00822968",
        "shared": false
      },
      {
        "name": "EXPAND ENERGY CORP",
        "value": "1349721.48",
        "weight": "0.00817667",
        "shared": false
      },
      {
        "name": "LATTICE SEMICONDUCTOR CORP",
        "value": "1299606.72",
        "weight": "0.00787307",
        "shared": false
      },
      {
        "name": "ALNYLAM PHARMACEUTICALS INC",
        "value": "1298164.29",
        "weight": "0.00786433",
        "shared": false
      },
      {
        "name": "PAYLOCITY HOLDING CORP",
        "value": "1187881.64",
        "weight": "0.00719624",
        "shared": false
      },
      {
        "name": "KEYSIGHT TECHNOLOGIES INC",
        "value": "1166191.62",
        "weight": "0.00706484",
        "shared": false
      },
      {
        "name": "INGERSOLL RAND INC",
        "value": "1128003.98",
        "weight": "0.00683350",
        "shared": false
      },
      {
        "name": "State Street Navigator Securities Lending Government Money Market Portfolio",
        "value": "1090707.00",
        "weight": "0.00660755",
        "shared": true
      },
      {
        "name": "ASSURANT INC",
        "value": "1087774.92",
        "weight": "0.00658979",
        "shared": false
      },
      {
        "name": "HOLOGIC INC",
        "value": "1060609.32",
        "weight": "0.00642522",
        "shared": false
      },
      {
        "name": "TEXTRON INC",
        "value": "1034456.36",
        "weight": "0.00626678",
        "shared": false
      },
      {
        "name": "MONOLITHIC POWER SYS INC",
        "value": "1001990.60",
        "weight": "0.00607010",
        "shared": false
      },
      {
        "name": "TOAST INC-A",
        "value": "983060.84",
        "weight": "0.00595542",
        "shared": false
      },
      {
        "name": "CORNING INC",
        "value": "970863.99",
        "weight": "0.00588153",
        "shared": false
      },
      {
        "name": "FIXED INC CLEARING CORP.REPO",
        "value": "963223.29",
        "weight": "0.00583525",
        "shared": true
      },
      {
        "name": "RBC BEARINGS INC",
        "value": "961230.40",
        "weight": "0.00582317",
        "shared": false
      },
      {
        "name": "SITEONE LANDSCAPE SUPPLY INC",
        "value": "955305.06",
        "weight": "0.00578728",
        "shared": false
      },
      {
        "name": "PTC INC",
        "value": "932359.40",
        "weight": "0.00564827",
        "shared": false
      },
      {
        "name": "SAIA INC",
        "value": "912112.71",
        "weight": "0.00552562",
        "shared": false
      },
      {
        "name": "PLANET FITNESS INC CL A",
        "value": "881124.00",
        "weight": "0.00533789",
        "shared": false
      },
      {
        "name": "OLD DOMINION FRT",
        "value": "879179.10",
        "weight": "0.00532610",
        "shared": false
      },
      {
        "name": "WESTERN ALLIANCE BANCORP",
        "value": "859261.62",
        "weight": "0.00520544",
        "shared": false
      },
      {
        "name": "CHENIERE ENERGY INC",
        "value": "856216.32",
        "weight": "0.00518699",
        "shared": false
      },
      {
        "name": "POPULAR INC",
        "value": "851813.09",
        "weight": "0.00516032",
        "shared": false
      },
      {
        "name": "COOPER COS INC",
        "value": "839901.48",
        "weight": "0.00508816",
        "shared": false
      },
      {
        "name": "TYLER TECHNOLOGIES INC",
        "value": "829976.00",
        "weight": "0.00502803",
        "shared": false
      },
      {
        "name": "LIBERTY MEDIA CORP LIBERTY LIVE CL C",
        "value": "826371.12",
        "weight": "0.00500619",
        "shared": false
      },
      {
        "name": "AGILENT TECHNOLOGIES INC",
        "value": "825479.95",
        "weight": "0.00500079",
        "shared": false
      },
      {
        "name": "HILTON WORLDWIDE HOLDINGS INC",
        "value": "810472.62",
        "weight": "0.00490988",
        "shared": false
      },
      {
        "name": "MICROCHIP TECHNOLOGY",
        "value": "802780.96",
        "weight": "0.00486328",
        "shared": false
      },
      {
        "name": "FORTIVE CORP",
        "value": "798266.69",
        "weight": "0.00483593",
        "shared": false
      },
      {
        "name": "RENAISSANCERE HLDGS LTD",
        "value": "794283.00",
        "weight": "0.00481180",
        "shared": false
      },
      {
        "name": "ZIMMER BIOMET HO",
        "value": "784406.00",
        "weight": "0.00475196",
        "shared": false
      },
      {
        "name": "YUM! BRANDS INC",
        "value": "774833.22",
        "weight": "0.00469397",
        "shared": false
      },
      {
        "name": "BURLINGTON STORES INC",
        "value": "752823.04",
        "weight": "0.00456063",
        "shared": false
      },
      {
        "name": "INTL PAPER CO",
        "value": "750544.41",
        "weight": "0.00454683",
        "shared": false
      },
      {
        "name": "LIBERTY MEDIA CORP LIBERTY FORMULA ONE CL C",
        "value": "746339.00",
        "weight": "0.00452135",
        "shared": false
      },
      {
        "name": "CCC INTELLIGENT SOLUTIONS HOLD CL A",
        "value": "737122.94",
        "weight": "0.00446552",
        "shared": false
      },
      {
        "name": "PERRIGO CO PLC",
        "value": "733918.24",
        "weight": "0.00444611",
        "shared": false
      },
      {
        "name": "DOMINOS PIZZA INC",
        "value": "732225.00",
        "weight": "0.00443585",
        "shared": false
      },
      {
        "name": "BAXTER INTL INC",
        "value": "730595.84",
        "weight": "0.00442598",
        "shared": false
      },
      {
        "name": "CONCENTRA GROUP HOLDINGS PARENT INC",
        "value": "715774.29",
        "weight": "0.00433619",
        "shared": false
      },
      {
        "name": "MONDAY.COM LTD",
        "value": "715442.00",
        "weight": "0.00433418",
        "shared": false
      },
      {
        "name": "MARQETA INC CL A",
        "value": "696842.41",
        "weight": "0.00422150",
        "shared": false
      },
      {
        "name": "DRAFTKINGS INC",
        "value": "694732.22",
        "weight": "0.00420872",
        "shared": false
      }
    ]
  },
  "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": "0001752724-25-201520",
      "as_of": "2025-06-30",
      "edgar_url": "https://www.sec.gov/Archives/edgar/data/916053/000175272425201520/0001752724-25-201520-index.htm"
    }
  ]
}