{
  "page": "compare",
  "query": {
    "a": "MNDIX",
    "b": "LSMIX"
  },
  "retrieved_at": "2026-07-07T19:11:17+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 New Discovery Fund",
    "ticker": "MNDIX",
    "slug": "MNDIX",
    "series_id": "S000000765",
    "html_url": "https://fundwatcher.app/funds/MNDIX/"
  },
  "fund_b": {
    "name": "Loomis Sayles Small/Mid Cap Growth Fund",
    "ticker": "LSMIX",
    "slug": "LSMIX",
    "series_id": "S000049859",
    "html_url": "https://fundwatcher.app/funds/LSMIX/"
  },
  "overlap": {
    "coverage_a_by_b": "0.1796561352435869924689643649",
    "coverage_b_by_a": "0.1796561352435869924689643649",
    "shared_count": 19,
    "as_of": {
      "a": "2026-02-28",
      "b": "2026-03-31"
    },
    "a_top": [
      {
        "name": "MFS Institutional Money Market Portfolio, Class A",
        "value": "103192946.92",
        "weight": "0.04884058",
        "shared": false
      },
      {
        "name": "ADV ENERGY INDS",
        "value": "60826760.48",
        "weight": "0.02878893",
        "shared": true
      },
      {
        "name": "LIGAND PHARMACEUTICALS",
        "value": "47719335.30",
        "weight": "0.02258526",
        "shared": false
      },
      {
        "name": "QXO INC",
        "value": "46699362.55",
        "weight": "0.02210252",
        "shared": false
      },
      {
        "name": "MODINE MFG CO",
        "value": "40319604.00",
        "weight": "0.01908302",
        "shared": false
      },
      {
        "name": "NVENT ELECTRIC PLC",
        "value": "39212312.92",
        "weight": "0.01855894",
        "shared": false
      },
      {
        "name": "MACOM TECHNOLOGY SOLUTIONS HOLDINGS INC",
        "value": "38801501.84",
        "weight": "0.01836451",
        "shared": false
      },
      {
        "name": "BIO-TECHNE CORP",
        "value": "38041843.00",
        "weight": "0.01800497",
        "shared": true
      },
      {
        "name": "LITTELFUSE INC",
        "value": "34020144.12",
        "weight": "0.01610152",
        "shared": false
      },
      {
        "name": "FLOWSERVE CORP",
        "value": "32268903.76",
        "weight": "0.01527267",
        "shared": true
      },
      {
        "name": "NLIGHT INC",
        "value": "31916819.04",
        "weight": "0.01510603",
        "shared": false
      },
      {
        "name": "CHEFS WAREHOUSE INC",
        "value": "31405032.12",
        "weight": "0.01486381",
        "shared": false
      },
      {
        "name": "LEGENCE CORP-A",
        "value": "30999686.85",
        "weight": "0.01467196",
        "shared": true
      },
      {
        "name": "JFROG LTD",
        "value": "30938104.45",
        "weight": "0.01464281",
        "shared": false
      },
      {
        "name": "CRANE CO",
        "value": "30893250.74",
        "weight": "0.01462158",
        "shared": true
      },
      {
        "name": "XPO LOGISTICS INC",
        "value": "30836591.11",
        "weight": "0.01459477",
        "shared": false
      },
      {
        "name": "PRIMORIS SVCS CORP",
        "value": "30784258.56",
        "weight": "0.01457000",
        "shared": false
      },
      {
        "name": "TOPBUILD CORP",
        "value": "30464226.50",
        "weight": "0.01441853",
        "shared": true
      },
      {
        "name": "INTEGER HOLDINGS CORP",
        "value": "28851004.60",
        "weight": "0.01365500",
        "shared": false
      },
      {
        "name": "CACI INTL-A",
        "value": "28506532.23",
        "weight": "0.01349196",
        "shared": true
      },
      {
        "name": "TERRENO REALTY CORP",
        "value": "28477739.34",
        "weight": "0.01347834",
        "shared": false
      },
      {
        "name": "FORMFACTOR INC",
        "value": "28402093.44",
        "weight": "0.01344253",
        "shared": false
      },
      {
        "name": "KNIFE RIVER HOLDING CO W/I",
        "value": "28368603.60",
        "weight": "0.01342668",
        "shared": false
      },
      {
        "name": "LEONARDO DRS INC",
        "value": "28234697.41",
        "weight": "0.01336331",
        "shared": true
      },
      {
        "name": "TTM TECHNOLOGIES INC",
        "value": "27606921.60",
        "weight": "0.01306618",
        "shared": false
      },
      {
        "name": "CHARLES RIVER LABS INTL INC",
        "value": "27090498.24",
        "weight": "0.01282176",
        "shared": true
      },
      {
        "name": "HAMILTON LANE INC - A",
        "value": "26876603.16",
        "weight": "0.01272053",
        "shared": false
      },
      {
        "name": "BLOOM ENERGY CORP CL A",
        "value": "25227568.86",
        "weight": "0.01194005",
        "shared": false
      },
      {
        "name": "James Hardie Industries Public Limited Company",
        "value": "24868192.35",
        "weight": "0.01176996",
        "shared": true
      },
      {
        "name": "IONIS PHARMACEUTICALS INC",
        "value": "24867606.00",
        "weight": "0.01176968",
        "shared": false
      },
      {
        "name": "PATRICK INDUSTRIES INC",
        "value": "24081982.81",
        "weight": "0.01139785",
        "shared": false
      },
      {
        "name": "WAYSTAR HOLDING CORP",
        "value": "23848420.95",
        "weight": "0.01128731",
        "shared": false
      },
      {
        "name": "SCHRODINGER INC",
        "value": "23396074.38",
        "weight": "0.01107322",
        "shared": false
      },
      {
        "name": "ELEMENT SOLUTIONS INC",
        "value": "23082096.73",
        "weight": "0.01092461",
        "shared": true
      },
      {
        "name": "TECHNIPFMC PLC",
        "value": "22781264.67",
        "weight": "0.01078223",
        "shared": false
      },
      {
        "name": "OLLIES BARGAIN OUTLET HOLDINGS INC",
        "value": "22724799.30",
        "weight": "0.01075551",
        "shared": true
      },
      {
        "name": "PJT PARTNERS INC",
        "value": "22458140.64",
        "weight": "0.01062930",
        "shared": false
      },
      {
        "name": "COLLEGIUM PHARMACEUTICAL INC",
        "value": "22457838.15",
        "weight": "0.01062915",
        "shared": false
      },
      {
        "name": "SIMPSON MFG",
        "value": "22114598.22",
        "weight": "0.01046670",
        "shared": false
      },
      {
        "name": "BRUNSWICK CORP",
        "value": "21960868.02",
        "weight": "0.01039394",
        "shared": true
      },
      {
        "name": "JPMORGAN US GOVERNMENT MONEY MARKET FUND OPEN-END FUND USD",
        "value": "21395403.00",
        "weight": "0.01012631",
        "shared": false
      },
      {
        "name": "STANDARDAERO INC",
        "value": "19835169.20",
        "weight": "0.00938786",
        "shared": false
      },
      {
        "name": "Ascendis Pharma A/S",
        "value": "18975844.50",
        "weight": "0.00898115",
        "shared": true
      },
      {
        "name": "WISDOMTREE INVESTMENTS INC",
        "value": "18878130.29",
        "weight": "0.00893490",
        "shared": false
      },
      {
        "name": "GLOBUS MEDICAL INC",
        "value": "18318105.78",
        "weight": "0.00866984",
        "shared": false
      },
      {
        "name": "ALKAMI TECHNOLOGY INC",
        "value": "18179050.38",
        "weight": "0.00860403",
        "shared": false
      },
      {
        "name": "GENIUS SPORTS LTD",
        "value": "18011862.81",
        "weight": "0.00852490",
        "shared": false
      },
      {
        "name": "BIRKENSTOCK HOLDING LTD",
        "value": "17805416.65",
        "weight": "0.00842719",
        "shared": false
      },
      {
        "name": "CCC INTELLIGENT SOLUTIONS HOLD CL A",
        "value": "17760290.46",
        "weight": "0.00840583",
        "shared": false
      },
      {
        "name": "AMPRIUS TECHNOLOGIES INC",
        "value": "17405336.87",
        "weight": "0.00823784",
        "shared": false
      }
    ],
    "b_top": [
      {
        "name": "FIXED INC CLEARING CORP.REPO",
        "value": "6734873.24",
        "weight": "0.02976436",
        "shared": false
      },
      {
        "name": "BWX TECHNOLOGIES INC",
        "value": "5432685.83",
        "weight": "0.02400942",
        "shared": false
      },
      {
        "name": "CASEY'S GENERAL",
        "value": "5294453.64",
        "weight": "0.02339851",
        "shared": false
      },
      {
        "name": "ADV ENERGY INDS",
        "value": "5187240.54",
        "weight": "0.02292469",
        "shared": true
      },
      {
        "name": "CIENA CORP",
        "value": "4972061.61",
        "weight": "0.02197372",
        "shared": false
      },
      {
        "name": "RBC BEARINGS INC",
        "value": "4756644.96",
        "weight": "0.02102170",
        "shared": false
      },
      {
        "name": "INSMED INC",
        "value": "4541440.96",
        "weight": "0.02007062",
        "shared": false
      },
      {
        "name": "ITT INC",
        "value": "4203091.80",
        "weight": "0.01857531",
        "shared": false
      },
      {
        "name": "LAUREATE EDUCATION INC CL A",
        "value": "4167909.20",
        "weight": "0.01841982",
        "shared": false
      },
      {
        "name": "MKS INSTRUMENTS INC",
        "value": "4162548.53",
        "weight": "0.01839613",
        "shared": false
      },
      {
        "name": "NOVA LTD",
        "value": "4129134.24",
        "weight": "0.01824845",
        "shared": false
      },
      {
        "name": "NATERA INC",
        "value": "3961201.93",
        "weight": "0.01750629",
        "shared": false
      },
      {
        "name": "ATI INC",
        "value": "3897455.24",
        "weight": "0.01722456",
        "shared": false
      },
      {
        "name": "LEGENCE CORP-A",
        "value": "3855935.70",
        "weight": "0.01704107",
        "shared": true
      },
      {
        "name": "GENERAC HOLDINGS INC",
        "value": "3687244.41",
        "weight": "0.01629555",
        "shared": false
      },
      {
        "name": "ALLEGRO MICROSYSTEMS INC",
        "value": "3629828.19",
        "weight": "0.01604180",
        "shared": false
      },
      {
        "name": "AXOS FINANCIAL INC",
        "value": "3617941.71",
        "weight": "0.01598927",
        "shared": false
      },
      {
        "name": "FLOWSERVE CORP",
        "value": "3529509.14",
        "weight": "0.01559845",
        "shared": true
      },
      {
        "name": "LIFE TIME GROUP HOLDINGS INC",
        "value": "3522647.46",
        "weight": "0.01556812",
        "shared": false
      },
      {
        "name": "MAGNOLIA OIL and GAS CORPO CL A",
        "value": "3411012.22",
        "weight": "0.01507476",
        "shared": false
      },
      {
        "name": "ENOVA INTL INC",
        "value": "3334762.33",
        "weight": "0.01473778",
        "shared": false
      },
      {
        "name": "VSE CORP",
        "value": "3225893.60",
        "weight": "0.01425664",
        "shared": false
      },
      {
        "name": "KARMAN HOLDINGS INC",
        "value": "3177344.60",
        "weight": "0.01404208",
        "shared": true
      },
      {
        "name": "TEXAS ROADHOUSE INC",
        "value": "3150045.50",
        "weight": "0.01392143",
        "shared": false
      },
      {
        "name": "TRIMBLE INC",
        "value": "3112645.14",
        "weight": "0.01375614",
        "shared": false
      },
      {
        "name": "UNIVERSAL TECHNI",
        "value": "3061280.00",
        "weight": "0.01352914",
        "shared": false
      },
      {
        "name": "PRIVIA HEALTH GROUP INC",
        "value": "3053205.10",
        "weight": "0.01349345",
        "shared": false
      },
      {
        "name": "NEUROCRINE BIOSCIENCES INC",
        "value": "3049385.78",
        "weight": "0.01347657",
        "shared": true
      },
      {
        "name": "HEXCEL CORPORATION",
        "value": "3001127.19",
        "weight": "0.01326330",
        "shared": false
      },
      {
        "name": "RAMBUS INC",
        "value": "2986187.33",
        "weight": "0.01319727",
        "shared": false
      },
      {
        "name": "HEALTHEQUITY INC",
        "value": "2975092.00",
        "weight": "0.01314824",
        "shared": false
      },
      {
        "name": "LEONARDO DRS INC",
        "value": "2923005.12",
        "weight": "0.01291804",
        "shared": true
      },
      {
        "name": "CRANE CO",
        "value": "2908197.00",
        "weight": "0.01285260",
        "shared": true
      },
      {
        "name": "FED SIGNAL CORP",
        "value": "2907127.62",
        "weight": "0.01284787",
        "shared": false
      },
      {
        "name": "JAZZ PHARMA PLC",
        "value": "2886037.30",
        "weight": "0.01275466",
        "shared": false
      },
      {
        "name": "ALKERMES PLC",
        "value": "2859457.12",
        "weight": "0.01263719",
        "shared": false
      },
      {
        "name": "FLOWCO HOLDINGS INC",
        "value": "2773130.80",
        "weight": "0.01225568",
        "shared": false
      },
      {
        "name": "INTERDIGITAL INC",
        "value": "2752126.00",
        "weight": "0.01216285",
        "shared": false
      },
      {
        "name": "STIFEL FINANCIAL CORP",
        "value": "2744575.68",
        "weight": "0.01212948",
        "shared": false
      },
      {
        "name": "CACI INTL-A",
        "value": "2727508.05",
        "weight": "0.01205405",
        "shared": true
      },
      {
        "name": "SILICON LABS",
        "value": "2694709.90",
        "weight": "0.01190910",
        "shared": false
      },
      {
        "name": "BRIGHTSPRING HEALTH SERVICES INC",
        "value": "2621154.15",
        "weight": "0.01158403",
        "shared": false
      },
      {
        "name": "Ascendis Pharma A/S",
        "value": "2581675.51",
        "weight": "0.01140956",
        "shared": true
      },
      {
        "name": "REPLIGEN CORP",
        "value": "2501318.60",
        "weight": "0.01105442",
        "shared": false
      },
      {
        "name": "STONEX GROUP INC",
        "value": "2501279.10",
        "weight": "0.01105425",
        "shared": false
      },
      {
        "name": "PERFORMANCE FOOD GROUP CO",
        "value": "2458613.32",
        "weight": "0.01086569",
        "shared": false
      },
      {
        "name": "INNOVEX INTERNATIONAL INC",
        "value": "2330415.72",
        "weight": "0.01029913",
        "shared": false
      },
      {
        "name": "BJS WHSL CLUB HLDGS INC",
        "value": "2315133.66",
        "weight": "0.01023159",
        "shared": false
      },
      {
        "name": "PLANET FITNESS INC CL A",
        "value": "2287705.66",
        "weight": "0.01011037",
        "shared": false
      },
      {
        "name": "GLAUKOS CORP",
        "value": "2285621.80",
        "weight": "0.01010116",
        "shared": false
      }
    ]
  },
  "error": null,
  "sources": [
    {
      "label": "N-PORT (fund A)",
      "accession_no": "0001410368-26-040078",
      "as_of": "2026-02-28",
      "edgar_url": "https://www.sec.gov/Archives/edgar/data/798244/000141036826040078/0001410368-26-040078-index.htm"
    },
    {
      "label": "N-PORT (fund B)",
      "accession_no": "0001410368-26-056137",
      "as_of": "2026-03-31",
      "edgar_url": "https://www.sec.gov/Archives/edgar/data/872649/000141036826056137/0001410368-26-056137-index.htm"
    }
  ]
}