{
  "page": "compare",
  "query": {
    "a": "NESIX",
    "b": "ROFCX"
  },
  "retrieved_at": "2026-07-07T18:21:30+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": "Needham Small Cap Growth Fund",
    "ticker": "NESIX",
    "slug": "NESIX",
    "series_id": "S000003816",
    "html_url": "https://fundwatcher.app/funds/NESIX/"
  },
  "fund_b": {
    "name": "Royce Small-Cap Opportunity Fund",
    "ticker": "ROFCX",
    "slug": "ROFCX",
    "series_id": "S000009512",
    "html_url": "https://fundwatcher.app/funds/ROFCX/"
  },
  "overlap": {
    "coverage_a_by_b": "0.08546773555389177071238084228",
    "coverage_b_by_a": "0.08546773555389177071238084229",
    "shared_count": 20,
    "as_of": {
      "a": "2026-03-31",
      "b": "2026-03-31"
    },
    "a_top": [
      {
        "name": "ARTERIS INC",
        "value": "13480800.00",
        "weight": "0.07771598",
        "shared": false
      },
      {
        "name": "ADTRAN HOLDINGS INC",
        "value": "11706948.00",
        "weight": "0.06748983",
        "shared": true
      },
      {
        "name": "VISHAY INTERTECHNOLOGY INC",
        "value": "10080000.00",
        "weight": "0.05811058",
        "shared": false
      },
      {
        "name": "DREYFUS-TR SE-IN",
        "value": "7731701.13",
        "weight": "0.04457278",
        "shared": false
      },
      {
        "name": "PDF SOLUTIONS INC",
        "value": "6489664.00",
        "weight": "0.03741251",
        "shared": false
      },
      {
        "name": "ROGERS CORP",
        "value": "6225140.00",
        "weight": "0.03588755",
        "shared": false
      },
      {
        "name": "VEECO INSTRUMENT",
        "value": "6032159.00",
        "weight": "0.03477502",
        "shared": true
      },
      {
        "name": "HARMONIC INC",
        "value": "5998640.00",
        "weight": "0.03458179",
        "shared": false
      },
      {
        "name": "TRANSCAT INC",
        "value": "5141500.00",
        "weight": "0.02964043",
        "shared": true
      },
      {
        "name": "NLIGHT INC",
        "value": "5131800.00",
        "weight": "0.02958451",
        "shared": true
      },
      {
        "name": "BADGER METER INC",
        "value": "4570500.00",
        "weight": "0.02634865",
        "shared": false
      },
      {
        "name": "VAIL RESORTS INC",
        "value": "4491200.00",
        "weight": "0.02589149",
        "shared": false
      },
      {
        "name": "CEVA INC",
        "value": "4296400.00",
        "weight": "0.02476848",
        "shared": false
      },
      {
        "name": "COHU INC",
        "value": "3980600.00",
        "weight": "0.02294791",
        "shared": true
      },
      {
        "name": "AXCELIS TECHNOLOGIES INC",
        "value": "3955900.00",
        "weight": "0.02280552",
        "shared": true
      },
      {
        "name": "ASPEN AEROGELS INC",
        "value": "3325950.00",
        "weight": "0.01917390",
        "shared": true
      },
      {
        "name": "COGNEX CORP",
        "value": "3184350.00",
        "weight": "0.01835758",
        "shared": false
      },
      {
        "name": "GENERAC HOLDINGS INC",
        "value": "3125280.00",
        "weight": "0.01801705",
        "shared": false
      },
      {
        "name": "CRYOPORT INC",
        "value": "2980800.00",
        "weight": "0.01718413",
        "shared": false
      },
      {
        "name": "MATTHEWS INTL CORP CL A",
        "value": "2969300.00",
        "weight": "0.01711783",
        "shared": false
      },
      {
        "name": "CENTURI HOLDINGS INC",
        "value": "2921000.00",
        "weight": "0.01683938",
        "shared": false
      },
      {
        "name": "BRUKER CORP",
        "value": "2889600.00",
        "weight": "0.01665837",
        "shared": false
      },
      {
        "name": "PARSONS CORP",
        "value": "2871010.00",
        "weight": "0.01655120",
        "shared": true
      },
      {
        "name": "PHOTRONICS INC",
        "value": "2828700.00",
        "weight": "0.01630728",
        "shared": false
      },
      {
        "name": "SYNAPTICS INC",
        "value": "2591480.00",
        "weight": "0.01493972",
        "shared": false
      },
      {
        "name": "TENNANT CO",
        "value": "2490000.00",
        "weight": "0.01435470",
        "shared": true
      },
      {
        "name": "MKS INSTRUMENTS INC",
        "value": "2298100.00",
        "weight": "0.01324840",
        "shared": false
      },
      {
        "name": "MAXLINEAR INC",
        "value": "1999850.00",
        "weight": "0.01152901",
        "shared": false
      },
      {
        "name": "FORMFACTOR INC",
        "value": "1939800.00",
        "weight": "0.01118283",
        "shared": true
      },
      {
        "name": "ARLO TECHNOLOGIES INC",
        "value": "1849900.00",
        "weight": "0.01066456",
        "shared": true
      },
      {
        "name": "MARVELL TECHNOLOGY INC",
        "value": "1782900.00",
        "weight": "0.01027831",
        "shared": false
      },
      {
        "name": "SUPER MICRO COMPUTER INC",
        "value": "1741905.00",
        "weight": "0.01004197",
        "shared": false
      },
      {
        "name": "VISHAY PRECISION GROUP INC",
        "value": "1736800.00",
        "weight": "0.01001254",
        "shared": true
      },
      {
        "name": "ALLEGRO MICROSYSTEMS INC",
        "value": "1734150.00",
        "weight": "0.00999727",
        "shared": false
      },
      {
        "name": "BENTLEY SYSTEM-B",
        "value": "1492600.00",
        "weight": "0.00860475",
        "shared": false
      },
      {
        "name": "EVERUS CONSTRUCTION GROUP INC",
        "value": "1475750.00",
        "weight": "0.00850761",
        "shared": false
      },
      {
        "name": "TTM TECHNOLOGIES INC",
        "value": "1461300.00",
        "weight": "0.00842430",
        "shared": false
      },
      {
        "name": "POWER INTEGRATIONS INC",
        "value": "1300480.00",
        "weight": "0.00749719",
        "shared": false
      },
      {
        "name": "MDU RESOURCES GROUP INC",
        "value": "1243200.00",
        "weight": "0.00716697",
        "shared": false
      },
      {
        "name": "SOLSTICE ADV MAT",
        "value": "1218560.00",
        "weight": "0.00702492",
        "shared": false
      },
      {
        "name": "KOPIN CORP",
        "value": "1125000.00",
        "weight": "0.00648556",
        "shared": true
      },
      {
        "name": "COSTAR GROUP INC",
        "value": "1089180.00",
        "weight": "0.00627906",
        "shared": false
      },
      {
        "name": "AMBARELLA INC",
        "value": "1029500.00",
        "weight": "0.00593500",
        "shared": false
      },
      {
        "name": "UNUSUAL MACHINES INC /US",
        "value": "930000.00",
        "weight": "0.00536139",
        "shared": false
      },
      {
        "name": "CECO ENVIRONMNTL",
        "value": "893700.00",
        "weight": "0.00515213",
        "shared": true
      },
      {
        "name": "PENGUIN SOLUTIONS INC",
        "value": "880000.00",
        "weight": "0.00507315",
        "shared": true
      },
      {
        "name": "NETSKOPE INC-A",
        "value": "849000.00",
        "weight": "0.00489443",
        "shared": false
      },
      {
        "name": "Camtek, Ltd./Israel",
        "value": "758050.00",
        "weight": "0.00437011",
        "shared": false
      },
      {
        "name": "MASTEC INC",
        "value": "740002.00",
        "weight": "0.00426607",
        "shared": false
      },
      {
        "name": "908 DEVICES INC",
        "value": "734400.00",
        "weight": "0.00423377",
        "shared": false
      }
    ],
    "b_top": [
      {
        "name": "FIXED INC CLEARING CORP.REPO",
        "value": "54448702.82",
        "weight": "0.04814102",
        "shared": false
      },
      {
        "name": "SELECT WATER SOLUTIONS INC CL A",
        "value": "11581289.10",
        "weight": "0.01023964",
        "shared": false
      },
      {
        "name": "KODIAK GAS SERVICES INC",
        "value": "10131117.12",
        "weight": "0.00895747",
        "shared": false
      },
      {
        "name": "ADVANCE AUTO PARTS INC",
        "value": "9886088.50",
        "weight": "0.00874082",
        "shared": false
      },
      {
        "name": "LIBERTY ENERGY INC CL A",
        "value": "9740908.80",
        "weight": "0.00861246",
        "shared": false
      },
      {
        "name": "ADTRAN HOLDINGS INC",
        "value": "9668572.86",
        "weight": "0.00854850",
        "shared": true
      },
      {
        "name": "A10 NETWORKS INC",
        "value": "9667211.84",
        "weight": "0.00854730",
        "shared": false
      },
      {
        "name": "AMERICAN PUBLIC EDUCATION INC",
        "value": "9526489.92",
        "weight": "0.00842288",
        "shared": false
      },
      {
        "name": "MISTRAS GROUP INC",
        "value": "9395941.60",
        "weight": "0.00830746",
        "shared": false
      },
      {
        "name": "COHU INC",
        "value": "9294088.60",
        "weight": "0.00821740",
        "shared": true
      },
      {
        "name": "CECO ENVIRONMNTL",
        "value": "8740922.22",
        "weight": "0.00772832",
        "shared": true
      },
      {
        "name": "DIGI INTL INC",
        "value": "8657732.20",
        "weight": "0.00765477",
        "shared": false
      },
      {
        "name": "RESIDEO TECHNOLOGIES INC",
        "value": "8610343.04",
        "weight": "0.00761287",
        "shared": false
      },
      {
        "name": "LIONSGATE STUDIOS CORP",
        "value": "8431364.97",
        "weight": "0.00745462",
        "shared": false
      },
      {
        "name": "VEECO INSTRUMENT",
        "value": "8328815.08",
        "weight": "0.00736395",
        "shared": true
      },
      {
        "name": "ORION GROUP HOLDINGS INC",
        "value": "8321757.60",
        "weight": "0.00735771",
        "shared": false
      },
      {
        "name": "UNIVERSAL TECHNI",
        "value": "8305454.80",
        "weight": "0.00734330",
        "shared": false
      },
      {
        "name": "MERCURY SYSTEMS INC",
        "value": "8258005.33",
        "weight": "0.00730135",
        "shared": true
      },
      {
        "name": "SOLARIS OIL IN-A",
        "value": "8247691.01",
        "weight": "0.00729223",
        "shared": false
      },
      {
        "name": "SEACOAST BANKING CORP FLORIDA",
        "value": "8236426.51",
        "weight": "0.00728227",
        "shared": false
      },
      {
        "name": "ULTRA CLEAN HOLDINGS INC",
        "value": "8192836.80",
        "weight": "0.00724373",
        "shared": true
      },
      {
        "name": "BANKUNITED INC",
        "value": "8156257.28",
        "weight": "0.00721139",
        "shared": false
      },
      {
        "name": "NPK INTERNATIONAL INC",
        "value": "8112893.04",
        "weight": "0.00717304",
        "shared": false
      },
      {
        "name": "NWPX INFRASTRUCTURE INC",
        "value": "8094948.48",
        "weight": "0.00715718",
        "shared": false
      },
      {
        "name": "NOW INC",
        "value": "8093845.44",
        "weight": "0.00715620",
        "shared": false
      },
      {
        "name": "AAR CORP",
        "value": "8078585.84",
        "weight": "0.00714271",
        "shared": false
      },
      {
        "name": "KNOWLES CORP",
        "value": "7925053.44",
        "weight": "0.00700697",
        "shared": false
      },
      {
        "name": "MAJOR DRILLING GROUP INTL INC",
        "value": "7854510.07",
        "weight": "0.00694459",
        "shared": false
      },
      {
        "name": "MATERION CORP",
        "value": "7707964.55",
        "weight": "0.00681503",
        "shared": false
      },
      {
        "name": "AVIAT NETWORKS INC",
        "value": "7689005.31",
        "weight": "0.00679826",
        "shared": false
      },
      {
        "name": "INGEVITY CORP",
        "value": "7650315.69",
        "weight": "0.00676406",
        "shared": false
      },
      {
        "name": "SANDRIDGE ENERGY INC",
        "value": "7494314.52",
        "weight": "0.00662613",
        "shared": false
      },
      {
        "name": "PERELLA WEINBERG PARTNERS",
        "value": "7409752.16",
        "weight": "0.00655136",
        "shared": false
      },
      {
        "name": "TETRA TECHNOLOGIES INC",
        "value": "7385383.08",
        "weight": "0.00652981",
        "shared": false
      },
      {
        "name": "AMENTUM HOLDINGS INC",
        "value": "7380561.76",
        "weight": "0.00652555",
        "shared": false
      },
      {
        "name": "VICTORY CAPITAL HOLDINGS INC CL A",
        "value": "7378155.44",
        "weight": "0.00652342",
        "shared": false
      },
      {
        "name": "FTAI INFRASTRUCTURE LLC",
        "value": "7363549.18",
        "weight": "0.00651051",
        "shared": false
      },
      {
        "name": "ATI INC",
        "value": "7338166.08",
        "weight": "0.00648807",
        "shared": false
      },
      {
        "name": "ANGIODYNAMICS INC",
        "value": "7268852.37",
        "weight": "0.00642678",
        "shared": false
      },
      {
        "name": "BUSINESS FIRST BANCSHARES INC",
        "value": "7258022.72",
        "weight": "0.00641721",
        "shared": false
      },
      {
        "name": "NAVIGATOR HOLDINGS LTD",
        "value": "7189445.56",
        "weight": "0.00635658",
        "shared": false
      },
      {
        "name": "BIOVENTUS INC",
        "value": "7159326.02",
        "weight": "0.00632994",
        "shared": false
      },
      {
        "name": "MODINE MFG CO",
        "value": "7148612.77",
        "weight": "0.00632047",
        "shared": false
      },
      {
        "name": "BAYCOM CORP",
        "value": "7101659.20",
        "weight": "0.00627896",
        "shared": false
      },
      {
        "name": "PRIMORIS SVCS CORP",
        "value": "7070181.12",
        "weight": "0.00625113",
        "shared": false
      },
      {
        "name": "PRIVIA HEALTH GROUP INC",
        "value": "7064560.80",
        "weight": "0.00624616",
        "shared": false
      },
      {
        "name": "ASTRONICS CORP",
        "value": "7040215.19",
        "weight": "0.00622463",
        "shared": false
      },
      {
        "name": "GENTHERM INC",
        "value": "7008782.88",
        "weight": "0.00619684",
        "shared": false
      },
      {
        "name": "INNOVIVA INC",
        "value": "6983382.80",
        "weight": "0.00617438",
        "shared": false
      },
      {
        "name": "IAC INC",
        "value": "6982152.69",
        "weight": "0.00617330",
        "shared": false
      }
    ]
  },
  "error": null,
  "sources": [
    {
      "label": "N-PORT (fund A)",
      "accession_no": "0001193125-26-230257",
      "as_of": "2026-03-31",
      "edgar_url": "https://www.sec.gov/Archives/edgar/data/1002537/000119312526230257/0001193125-26-230257-index.htm"
    },
    {
      "label": "N-PORT (fund B)",
      "accession_no": "0001410368-26-049629",
      "as_of": "2026-03-31",
      "edgar_url": "https://www.sec.gov/Archives/edgar/data/709364/000141036826049629/0001410368-26-049629-index.htm"
    }
  ]
}