{
  "page": "compare",
  "query": {
    "a": "IIRMX",
    "b": "CMJAX"
  },
  "retrieved_at": "2026-07-07T18:53:18+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": "Voya RussellTM Mid Cap Index Portfolio",
    "ticker": "IIRMX",
    "slug": "IIRMX",
    "series_id": "S000021223",
    "html_url": "https://fundwatcher.app/funds/IIRMX/"
  },
  "fund_b": {
    "name": "Calvert U.S. Mid Cap Core Responsible Index Fund",
    "ticker": "CMJAX",
    "slug": "CMJAX",
    "series_id": "S000051236",
    "html_url": "https://fundwatcher.app/funds/CMJAX/"
  },
  "overlap": {
    "coverage_a_by_b": "0.6648145700586585166916371770",
    "coverage_b_by_a": "0.6648145700586585166916371768",
    "shared_count": 524,
    "as_of": {
      "a": "2026-03-31",
      "b": "2026-03-31"
    },
    "a_top": [
      {
        "name": "ISHARES RUSSELL MID-CAP ETF MUTUAL FUND",
        "value": "5970602.61",
        "weight": "0.00926124",
        "shared": false
      },
      {
        "name": "CORNING INC",
        "value": "5300654.48",
        "weight": "0.00822206",
        "shared": true
      },
      {
        "name": "VERTIV HOLDINGS CO",
        "value": "4760017.68",
        "weight": "0.00738346",
        "shared": true
      },
      {
        "name": "HOWMET AEROSPACE INC",
        "value": "4614270.12",
        "weight": "0.00715738",
        "shared": false
      },
      {
        "name": "WESTERN DIGITAL CORP",
        "value": "4595084.12",
        "weight": "0.00712762",
        "shared": true
      },
      {
        "name": "SANDISK CORPORATION",
        "value": "4536962.94",
        "weight": "0.00703747",
        "shared": true
      },
      {
        "name": "BANK OF NEW YORK MELLON CORP",
        "value": "4078973.92",
        "weight": "0.00632706",
        "shared": false
      },
      {
        "name": "QUANTA SVCS INC",
        "value": "4036944.06",
        "weight": "0.00626187",
        "shared": true
      },
      {
        "name": "VALERO ENERGY CORP",
        "value": "3750180.24",
        "weight": "0.00581706",
        "shared": false
      },
      {
        "name": "CUMMINS INC",
        "value": "3697273.44",
        "weight": "0.00573499",
        "shared": true
      },
      {
        "name": "MARATHON PETROLEUM CORP",
        "value": "3666118.52",
        "weight": "0.00568667",
        "shared": false
      },
      {
        "name": "PHILLIPS 66",
        "value": "3665825.96",
        "weight": "0.00568621",
        "shared": false
      },
      {
        "name": "ROYAL CARIBBEAN CRUISES LTD",
        "value": "3481302.18",
        "weight": "0.00539999",
        "shared": false
      },
      {
        "name": "HILTON WORLDWIDE HOLDINGS INC",
        "value": "3462863.04",
        "weight": "0.00537139",
        "shared": false
      },
      {
        "name": "ROSS STORES INC",
        "value": "3446583.30",
        "weight": "0.00534614",
        "shared": true
      },
      {
        "name": "KINDER MORGAN INC",
        "value": "3255729.47",
        "weight": "0.00505009",
        "shared": false
      },
      {
        "name": "CLOUDFLARE INC-A",
        "value": "3229840.02",
        "weight": "0.00500994",
        "shared": false
      },
      {
        "name": "L3HARRIS TECHNOLOGIES INC",
        "value": "3218523.75",
        "weight": "0.00499238",
        "shared": false
      },
      {
        "name": "WARNER BROS DISCOVERY INC",
        "value": "3193460.70",
        "weight": "0.00495351",
        "shared": true
      },
      {
        "name": "DIGITAL REALTY TRUST INC",
        "value": "3096007.80",
        "weight": "0.00480234",
        "shared": false
      },
      {
        "name": "BAKER HUGHES CO",
        "value": "3023134.95",
        "weight": "0.00468931",
        "shared": true
      },
      {
        "name": "CHENIERE ENERGY INC",
        "value": "3018922.64",
        "weight": "0.00468277",
        "shared": false
      },
      {
        "name": "SIMON PROPERTY",
        "value": "3017495.81",
        "weight": "0.00468056",
        "shared": false
      },
      {
        "name": "CENCORA INC",
        "value": "2872182.02",
        "weight": "0.00445516",
        "shared": false
      },
      {
        "name": "CORTEVA INC",
        "value": "2828979.45",
        "weight": "0.00438814",
        "shared": false
      },
      {
        "name": "ONEOK INC",
        "value": "2820348.78",
        "weight": "0.00437476",
        "shared": false
      },
      {
        "name": "REALTY INCOME CORP REIT",
        "value": "2797210.78",
        "weight": "0.00433887",
        "shared": true
      },
      {
        "name": "CIENA CORP",
        "value": "2734303.89",
        "weight": "0.00424129",
        "shared": true
      },
      {
        "name": "ALLSTATE CORPORATION",
        "value": "2699566.80",
        "weight": "0.00418741",
        "shared": false
      },
      {
        "name": "FASTENAL CO",
        "value": "2659555.20",
        "weight": "0.00412534",
        "shared": true
      },
      {
        "name": "TARGA RESOURCES CORP",
        "value": "2658991.65",
        "weight": "0.00412447",
        "shared": false
      },
      {
        "name": "ROBINHOOD MARKETS INC",
        "value": "2625361.20",
        "weight": "0.00407230",
        "shared": false
      },
      {
        "name": "ELECTRONIC ARTS INC",
        "value": "2559791.72",
        "weight": "0.00397060",
        "shared": true
      },
      {
        "name": "VISTRA CORP",
        "value": "2539524.69",
        "weight": "0.00393916",
        "shared": false
      },
      {
        "name": "MONOLITHIC POWER SYS INC",
        "value": "2526731.85",
        "weight": "0.00391932",
        "shared": true
      },
      {
        "name": "CARDINAL HEALTH INC",
        "value": "2517758.65",
        "weight": "0.00390540",
        "shared": false
      },
      {
        "name": "ENTERGY CORP",
        "value": "2505066.20",
        "weight": "0.00388571",
        "shared": false
      },
      {
        "name": "EXELON CORP",
        "value": "2474088.42",
        "weight": "0.00383766",
        "shared": true
      },
      {
        "name": "LUMENTUM HOLDINGS INC",
        "value": "2470904.16",
        "weight": "0.00383272",
        "shared": true
      },
      {
        "name": "AMETEK INC NEW",
        "value": "2465783.08",
        "weight": "0.00382478",
        "shared": true
      },
      {
        "name": "ANGLOGOLD ASHANTI PLC",
        "value": "2448604.00",
        "weight": "0.00379813",
        "shared": false
      },
      {
        "name": "KEYSIGHT TECHNOLOGIES INC",
        "value": "2425840.67",
        "weight": "0.00376282",
        "shared": true
      },
      {
        "name": "COMFORT SYSTEMS USA INC",
        "value": "2395305.63",
        "weight": "0.00371546",
        "shared": true
      },
      {
        "name": "WW GRAINGER INC",
        "value": "2381238.23",
        "weight": "0.00369364",
        "shared": false
      },
      {
        "name": "XCEL ENERGY INC",
        "value": "2347531.44",
        "weight": "0.00364135",
        "shared": true
      },
      {
        "name": "TERADYNE INC",
        "value": "2318020.74",
        "weight": "0.00359558",
        "shared": true
      },
      {
        "name": "UNITED RENTALS INC",
        "value": "2308806.64",
        "weight": "0.00358128",
        "shared": true
      },
      {
        "name": "OCCIDENTAL PETROLEUM CORP",
        "value": "2288975.00",
        "weight": "0.00355052",
        "shared": true
      },
      {
        "name": "FORD MOTOR CO",
        "value": "2249446.04",
        "weight": "0.00348921",
        "shared": true
      },
      {
        "name": "IDEXX LABS INC",
        "value": "2235198.42",
        "weight": "0.00346711",
        "shared": true
      }
    ],
    "b_top": [
      {
        "name": "CORNING INC",
        "value": "4013426.49",
        "weight": "0.00944192",
        "shared": true
      },
      {
        "name": "VERTIV HOLDINGS CO",
        "value": "3592064.30",
        "weight": "0.00845063",
        "shared": true
      },
      {
        "name": "WESTERN DIGITAL CORP",
        "value": "3476337.48",
        "weight": "0.00817838",
        "shared": true
      },
      {
        "name": "MARVELL TECHNOLOGY INC",
        "value": "3400683.65",
        "weight": "0.00800040",
        "shared": false
      },
      {
        "name": "SANDISK CORPORATION",
        "value": "3390174.24",
        "weight": "0.00797567",
        "shared": true
      },
      {
        "name": "SEAGATE TECHNOLOGY HOLDINGS PLC",
        "value": "3271979.52",
        "weight": "0.00769761",
        "shared": false
      },
      {
        "name": "QUANTA SVCS INC",
        "value": "3143688.52",
        "weight": "0.00739579",
        "shared": true
      },
      {
        "name": "CUMMINS INC",
        "value": "2886477.30",
        "weight": "0.00679068",
        "shared": true
      },
      {
        "name": "ROSS STORES INC",
        "value": "2745135.36",
        "weight": "0.00645816",
        "shared": true
      },
      {
        "name": "WARNER BROS DISCOVERY INC",
        "value": "2659226.40",
        "weight": "0.00625605",
        "shared": true
      },
      {
        "name": "GENERAL MOTORS CO",
        "value": "2647655.50",
        "weight": "0.00622883",
        "shared": false
      },
      {
        "name": "SEMPRA ENERGY",
        "value": "2547214.38",
        "weight": "0.00599254",
        "shared": false
      },
      {
        "name": "BAKER HUGHES CO",
        "value": "2404271.10",
        "weight": "0.00565625",
        "shared": true
      },
      {
        "name": "TE CONNECTIVITY PLC",
        "value": "2404148.04",
        "weight": "0.00565596",
        "shared": false
      },
      {
        "name": "PACCAR INC",
        "value": "2374911.00",
        "weight": "0.00558718",
        "shared": false
      },
      {
        "name": "TRUIST FINL CORP",
        "value": "2296982.99",
        "weight": "0.00540385",
        "shared": false
      },
      {
        "name": "REALTY INCOME CORP REIT",
        "value": "2276630.16",
        "weight": "0.00535596",
        "shared": true
      },
      {
        "name": "CIENA CORP",
        "value": "2251345.77",
        "weight": "0.00529648",
        "shared": true
      },
      {
        "name": "DOMINION ENERGY INC",
        "value": "2219832.56",
        "weight": "0.00522234",
        "shared": false
      },
      {
        "name": "TARGET CORP",
        "value": "2172510.00",
        "weight": "0.00511101",
        "shared": false
      },
      {
        "name": "FASTENAL CO",
        "value": "2126790.40",
        "weight": "0.00500345",
        "shared": true
      },
      {
        "name": "MONOLITHIC POWER SYS INC",
        "value": "2093765.25",
        "weight": "0.00492576",
        "shared": true
      },
      {
        "name": "EXELON CORP",
        "value": "2080506.84",
        "weight": "0.00489457",
        "shared": true
      },
      {
        "name": "XCEL ENERGY INC",
        "value": "2044388.40",
        "weight": "0.00480960",
        "shared": true
      },
      {
        "name": "AMETEK INC NEW",
        "value": "2033204.60",
        "weight": "0.00478329",
        "shared": true
      },
      {
        "name": "LUMENTUM HOLDINGS INC",
        "value": "2015515.68",
        "weight": "0.00474167",
        "shared": true
      },
      {
        "name": "OCCIDENTAL PETROLEUM CORP",
        "value": "2001155.00",
        "weight": "0.00470789",
        "shared": true
      },
      {
        "name": "COMFORT SYSTEMS USA INC",
        "value": "1987124.59",
        "weight": "0.00467488",
        "shared": true
      },
      {
        "name": "KEYSIGHT TECHNOLOGIES INC",
        "value": "1975742.89",
        "weight": "0.00464810",
        "shared": true
      },
      {
        "name": "ELECTRONIC ARTS INC",
        "value": "1941861.75",
        "weight": "0.00456839",
        "shared": true
      },
      {
        "name": "KROGER CO",
        "value": "1932156.72",
        "weight": "0.00454556",
        "shared": true
      },
      {
        "name": "EDWARDS LIFESCIENCES CORP",
        "value": "1911349.44",
        "weight": "0.00449661",
        "shared": false
      },
      {
        "name": "TERADYNE INC",
        "value": "1907127.18",
        "weight": "0.00448668",
        "shared": true
      },
      {
        "name": "UNITED RENTALS INC",
        "value": "1866570.72",
        "weight": "0.00439127",
        "shared": true
      },
      {
        "name": "BECTON DICKINSON and CO",
        "value": "1858930.29",
        "weight": "0.00437329",
        "shared": false
      },
      {
        "name": "ALNYLAM PHARMACEUTICALS INC",
        "value": "1853202.87",
        "weight": "0.00435982",
        "shared": true
      },
      {
        "name": "IDEXX LABS INC",
        "value": "1831199.51",
        "weight": "0.00430805",
        "shared": true
      },
      {
        "name": "DELTA AIR LI",
        "value": "1828864.80",
        "weight": "0.00430256",
        "shared": true
      },
      {
        "name": "FORD MOTOR CO",
        "value": "1823608.50",
        "weight": "0.00429019",
        "shared": true
      },
      {
        "name": "YUM! BRANDS INC",
        "value": "1819116.00",
        "weight": "0.00427962",
        "shared": true
      },
      {
        "name": "FERGUSON ENTERPRISES INC",
        "value": "1814996.06",
        "weight": "0.00426993",
        "shared": true
      },
      {
        "name": "WESTINGHOUSE AIR BRAKE TECH CORP",
        "value": "1781108.57",
        "weight": "0.00419021",
        "shared": true
      },
      {
        "name": "CONSOLIDATED EDISON INC",
        "value": "1765268.46",
        "weight": "0.00415294",
        "shared": true
      },
      {
        "name": "PUB SERV ENTERP",
        "value": "1721968.40",
        "weight": "0.00405108",
        "shared": true
      },
      {
        "name": "CBRE GROUP INC - CL A",
        "value": "1693791.84",
        "weight": "0.00398479",
        "shared": true
      },
      {
        "name": "DATADOG INC CL A",
        "value": "1679379.30",
        "weight": "0.00395088",
        "shared": true
      },
      {
        "name": "FIFTH THIRD BANCORP",
        "value": "1674836.54",
        "weight": "0.00394019",
        "shared": true
      },
      {
        "name": "ROCKWELL AUTOMATION INC",
        "value": "1670227.52",
        "weight": "0.00392935",
        "shared": true
      },
      {
        "name": "NUCOR CORP",
        "value": "1665127.70",
        "weight": "0.00391735",
        "shared": true
      },
      {
        "name": "MSCI INC",
        "value": "1648292.58",
        "weight": "0.00387775",
        "shared": true
      }
    ]
  },
  "error": null,
  "sources": [
    {
      "label": "N-PORT (fund A)",
      "accession_no": "0000940400-26-022583",
      "as_of": "2026-03-31",
      "edgar_url": "https://www.sec.gov/Archives/edgar/data/1015965/000094040026022583/0000940400-26-022583-index.htm"
    },
    {
      "label": "N-PORT (fund B)",
      "accession_no": "0001410368-26-050758",
      "as_of": "2026-03-31",
      "edgar_url": "https://www.sec.gov/Archives/edgar/data/1105446/000141036826050758/0001410368-26-050758-index.htm"
    }
  ]
}