{
  "page": "compare",
  "query": {
    "a": "GWSZX",
    "b": "LSSIX"
  },
  "retrieved_at": "2026-07-07T16:50:03+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": "AMG GW&K Small Cap Growth Fund",
    "ticker": "GWSZX",
    "slug": "GWSZX",
    "series_id": "S000001114",
    "html_url": "https://fundwatcher.app/funds/GWSZX/"
  },
  "fund_b": {
    "name": "Loomis Sayles Small Cap Growth Fund",
    "ticker": "LSSIX",
    "slug": "LSSIX",
    "series_id": "S000006705",
    "html_url": "https://fundwatcher.app/funds/LSSIX/"
  },
  "overlap": {
    "coverage_a_by_b": "0.2205993748509043221235501067",
    "coverage_b_by_a": "0.2205993748509043221235501067",
    "shared_count": 21,
    "as_of": {
      "a": "2026-01-30",
      "b": "2026-03-31"
    },
    "a_top": [
      {
        "name": "SPX TECHNOLOGIES INC",
        "value": "5832353.85",
        "weight": "0.02924833",
        "shared": false
      },
      {
        "name": "ADV ENERGY INDS",
        "value": "5359495.68",
        "weight": "0.02687702",
        "shared": true
      },
      {
        "name": "GRAND CANYON EDUCATION INC",
        "value": "4941228.16",
        "weight": "0.02477948",
        "shared": true
      },
      {
        "name": "RBC BEARINGS INC",
        "value": "4560987.76",
        "weight": "0.02287263",
        "shared": true
      },
      {
        "name": "LUMENTUM HOLDINGS INC",
        "value": "4438763.52",
        "weight": "0.02225969",
        "shared": false
      },
      {
        "name": "FIXED INC CLEARING CORP.REPO",
        "value": "4023000.00",
        "weight": "0.02017471",
        "shared": false
      },
      {
        "name": "MACOM TECHNOLOGY SOLUTIONS HOLDINGS INC",
        "value": "4003759.62",
        "weight": "0.02007822",
        "shared": true
      },
      {
        "name": "PJT PARTNERS INC",
        "value": "3979863.03",
        "weight": "0.01995838",
        "shared": true
      },
      {
        "name": "INTERFACE INC",
        "value": "3910116.03",
        "weight": "0.01960861",
        "shared": false
      },
      {
        "name": "VIAVI SOLUTIONS INC",
        "value": "3826571.32",
        "weight": "0.01918965",
        "shared": true
      },
      {
        "name": "MOOG INC-CLASS A",
        "value": "3814737.55",
        "weight": "0.01913030",
        "shared": false
      },
      {
        "name": "POWELL INDUSTRIES INC",
        "value": "3608604.65",
        "weight": "0.01809658",
        "shared": false
      },
      {
        "name": "STERLING INFRASTRUCTURE INC",
        "value": "3586616.11",
        "weight": "0.01798631",
        "shared": true
      },
      {
        "name": "SEMTECH CORP",
        "value": "3338255.25",
        "weight": "0.01674082",
        "shared": false
      },
      {
        "name": "NOVANTA INC",
        "value": "3289099.38",
        "weight": "0.01649431",
        "shared": false
      },
      {
        "name": "HOULIHAN LOKEY I",
        "value": "3270794.24",
        "weight": "0.01640251",
        "shared": false
      },
      {
        "name": "GATES INDUSTRIAL CORP PLC",
        "value": "3216331.38",
        "weight": "0.01612939",
        "shared": false
      },
      {
        "name": "IONIS PHARMACEUTICALS INC",
        "value": "3136747.81",
        "weight": "0.01573029",
        "shared": false
      },
      {
        "name": "TOPBUILD CORP",
        "value": "3116276.90",
        "weight": "0.01562763",
        "shared": false
      },
      {
        "name": "APPLIED INDU TEC",
        "value": "3089764.65",
        "weight": "0.01549468",
        "shared": true
      },
      {
        "name": "ENERPAC TOOL GROUP CORP CL A",
        "value": "3040803.12",
        "weight": "0.01524915",
        "shared": false
      },
      {
        "name": "CREDO TECHNOLOGY GROUP HOLDING LTD",
        "value": "2889708.48",
        "weight": "0.01449143",
        "shared": false
      },
      {
        "name": "SUPERNUS PHARMACEUTICALS INC",
        "value": "2813362.72",
        "weight": "0.01410857",
        "shared": true
      },
      {
        "name": "KRYSTAL BIOTECH INC",
        "value": "2812784.52",
        "weight": "0.01410567",
        "shared": false
      },
      {
        "name": "AEROVIRONMENT INC",
        "value": "2754390.66",
        "weight": "0.01381283",
        "shared": false
      },
      {
        "name": "CRINETICS PHARMACEUTICALS INC",
        "value": "2733915.36",
        "weight": "0.01371015",
        "shared": false
      },
      {
        "name": "NEOGENOMICS INC",
        "value": "2733001.02",
        "weight": "0.01370557",
        "shared": true
      },
      {
        "name": "INTAPP INC",
        "value": "2712231.55",
        "weight": "0.01360141",
        "shared": true
      },
      {
        "name": "SITEONE LANDSCAPE SUPPLY INC",
        "value": "2687499.42",
        "weight": "0.01347738",
        "shared": true
      },
      {
        "name": "US PHYSICAL THERAPY INC",
        "value": "2675453.00",
        "weight": "0.01341697",
        "shared": false
      },
      {
        "name": "BRIDGEBIO PHARMA INC",
        "value": "2656078.98",
        "weight": "0.01331981",
        "shared": false
      },
      {
        "name": "GLOBUS MEDICAL INC",
        "value": "2606415.24",
        "weight": "0.01307076",
        "shared": false
      },
      {
        "name": "STIFEL FINANCIAL CORP",
        "value": "2569941.90",
        "weight": "0.01288785",
        "shared": false
      },
      {
        "name": "VERICEL CORP",
        "value": "2567820.64",
        "weight": "0.01287721",
        "shared": true
      },
      {
        "name": "VERA THERAPEUTICS INC",
        "value": "2525172.72",
        "weight": "0.01266334",
        "shared": false
      },
      {
        "name": "ULTRAGENYX PHARMA INC",
        "value": "2501258.12",
        "weight": "0.01254341",
        "shared": false
      },
      {
        "name": "PHATHOM PHARMACEUTICALS INC",
        "value": "2478562.38",
        "weight": "0.01242960",
        "shared": false
      },
      {
        "name": "LITHIA MOTORS INC CL A",
        "value": "2463319.04",
        "weight": "0.01235315",
        "shared": false
      },
      {
        "name": "BALCHEM CORP",
        "value": "2438876.44",
        "weight": "0.01223058",
        "shared": false
      },
      {
        "name": "SOLARIS OIL IN-A",
        "value": "2420191.88",
        "weight": "0.01213688",
        "shared": false
      },
      {
        "name": "ATRICURE INC",
        "value": "2384348.52",
        "weight": "0.01195713",
        "shared": false
      },
      {
        "name": "ARTIVION INC",
        "value": "2357076.78",
        "weight": "0.01182037",
        "shared": true
      },
      {
        "name": "BIOCRYST PHARMACEUTICALS INC",
        "value": "2266770.52",
        "weight": "0.01136749",
        "shared": false
      },
      {
        "name": "TRAVERE THERAPEUTICS INC",
        "value": "2252315.05",
        "weight": "0.01129500",
        "shared": false
      },
      {
        "name": "CADRE HOLDINGS I",
        "value": "2225836.32",
        "weight": "0.01116222",
        "shared": true
      },
      {
        "name": "MAGNOLIA OIL and GAS CORPO CL A",
        "value": "2205722.15",
        "weight": "0.01106135",
        "shared": true
      },
      {
        "name": "LEGENCE CORP-A",
        "value": "2127978.33",
        "weight": "0.01067147",
        "shared": true
      },
      {
        "name": "AVIENT CORP",
        "value": "2083613.70",
        "weight": "0.01044899",
        "shared": false
      },
      {
        "name": "AMERIS BANCORP",
        "value": "2074271.98",
        "weight": "0.01040214",
        "shared": false
      },
      {
        "name": "CSW INDUSTRI INC",
        "value": "2039158.94",
        "weight": "0.01022606",
        "shared": true
      }
    ],
    "b_top": [
      {
        "name": "ESCO TECHNOLOGIES INC",
        "value": "47326996.74",
        "weight": "0.02456473",
        "shared": false
      },
      {
        "name": "RBC BEARINGS INC",
        "value": "43307302.56",
        "weight": "0.02247834",
        "shared": true
      },
      {
        "name": "ADV ENERGY INDS",
        "value": "40351012.98",
        "weight": "0.02094390",
        "shared": true
      },
      {
        "name": "MACOM TECHNOLOGY SOLUTIONS HOLDINGS INC",
        "value": "40094294.36",
        "weight": "0.02081065",
        "shared": true
      },
      {
        "name": "LIGAND PHARMACEUTICALS",
        "value": "39437862.75",
        "weight": "0.02046993",
        "shared": false
      },
      {
        "name": "ATI INC",
        "value": "37861201.56",
        "weight": "0.01965158",
        "shared": false
      },
      {
        "name": "STERLING INFRASTRUCTURE INC",
        "value": "36822502.51",
        "weight": "0.01911245",
        "shared": true
      },
      {
        "name": "CONSTRUCTION PARTNERS INC CL A",
        "value": "33678138.48",
        "weight": "0.01748039",
        "shared": false
      },
      {
        "name": "AAR CORP",
        "value": "32250418.72",
        "weight": "0.01673934",
        "shared": false
      },
      {
        "name": "FIXED INC CLEARING CORP.REPO",
        "value": "29937149.08",
        "weight": "0.01553866",
        "shared": false
      },
      {
        "name": "OCEANEERING INTL",
        "value": "29135909.28",
        "weight": "0.01512278",
        "shared": false
      },
      {
        "name": "ESTABLISHMENT LABS HOLDINGS INC",
        "value": "28999419.74",
        "weight": "0.01505194",
        "shared": false
      },
      {
        "name": "VITA COCO CO INC/THE",
        "value": "28751988.75",
        "weight": "0.01492351",
        "shared": false
      },
      {
        "name": "OSI SYSTEMS INC",
        "value": "28441962.22",
        "weight": "0.01476259",
        "shared": false
      },
      {
        "name": "EVERUS CONSTRUCTION GROUP INC",
        "value": "28439001.16",
        "weight": "0.01476105",
        "shared": false
      },
      {
        "name": "PATRICK INDUSTRIES INC",
        "value": "27971757.73",
        "weight": "0.01451853",
        "shared": false
      },
      {
        "name": "MYR GROUP INC/DELAWARE",
        "value": "26861901.04",
        "weight": "0.01394247",
        "shared": false
      },
      {
        "name": "MERCURY SYSTEMS INC",
        "value": "26347851.25",
        "weight": "0.01367566",
        "shared": false
      },
      {
        "name": "MAREX GROUP PLC",
        "value": "25656949.08",
        "weight": "0.01331705",
        "shared": false
      },
      {
        "name": "MAGNOLIA OIL and GAS CORPO CL A",
        "value": "25094235.32",
        "weight": "0.01302498",
        "shared": true
      },
      {
        "name": "LIFE TIME GROUP HOLDINGS INC",
        "value": "25082567.82",
        "weight": "0.01301892",
        "shared": false
      },
      {
        "name": "ONESPAWORLD HOLDINGS LTD",
        "value": "24835916.25",
        "weight": "0.01289090",
        "shared": false
      },
      {
        "name": "ARCOSA INC",
        "value": "24789209.28",
        "weight": "0.01286666",
        "shared": false
      },
      {
        "name": "HEXCEL CORPORATION",
        "value": "24678470.48",
        "weight": "0.01280918",
        "shared": false
      },
      {
        "name": "SUPERNUS PHARMACEUTICALS INC",
        "value": "24605267.04",
        "weight": "0.01277118",
        "shared": true
      },
      {
        "name": "MIRUM PHARMACEUTICALS INC",
        "value": "24559777.28",
        "weight": "0.01274757",
        "shared": false
      },
      {
        "name": "AXSOME THERAPEUTICS INC",
        "value": "24256060.20",
        "weight": "0.01258993",
        "shared": false
      },
      {
        "name": "ALKERMES PLC",
        "value": "24062939.68",
        "weight": "0.01248969",
        "shared": false
      },
      {
        "name": "ENSIGN GROUP INC",
        "value": "23231136.50",
        "weight": "0.01205795",
        "shared": false
      },
      {
        "name": "PJT PARTNERS INC",
        "value": "23099209.00",
        "weight": "0.01198947",
        "shared": true
      },
      {
        "name": "CALIX NETWORKS INC",
        "value": "23042593.47",
        "weight": "0.01196009",
        "shared": false
      },
      {
        "name": "PIPER SANDLER CO",
        "value": "22966224.80",
        "weight": "0.01192045",
        "shared": false
      },
      {
        "name": "EXTREME NETWORKS INC",
        "value": "22927782.80",
        "weight": "0.01190050",
        "shared": false
      },
      {
        "name": "HEALTHEQUITY INC",
        "value": "22721847.30",
        "weight": "0.01179361",
        "shared": true
      },
      {
        "name": "RHYTHM PHARMACEUTICALS INC",
        "value": "22620983.97",
        "weight": "0.01174125",
        "shared": false
      },
      {
        "name": "CACTUS INC CL A",
        "value": "22355371.47",
        "weight": "0.01160339",
        "shared": false
      },
      {
        "name": "VIAVI SOLUTIONS INC",
        "value": "21912217.60",
        "weight": "0.01137338",
        "shared": true
      },
      {
        "name": "GRAND CANYON EDUCATION INC",
        "value": "21733574.66",
        "weight": "0.01128065",
        "shared": true
      },
      {
        "name": "RADNET INC",
        "value": "21452761.71",
        "weight": "0.01113490",
        "shared": false
      },
      {
        "name": "CASELLA WASTE SYS INC CL A",
        "value": "20710040.86",
        "weight": "0.01074939",
        "shared": false
      },
      {
        "name": "ARTIVION INC",
        "value": "20089951.72",
        "weight": "0.01042754",
        "shared": true
      },
      {
        "name": "RAMBUS INC",
        "value": "20028644.30",
        "weight": "0.01039572",
        "shared": false
      },
      {
        "name": "GUARDIAN PHARMACY SERVICES INC",
        "value": "19652042.48",
        "weight": "0.01020025",
        "shared": false
      },
      {
        "name": "YETI HOLDINGS INC",
        "value": "19631962.01",
        "weight": "0.01018983",
        "shared": false
      },
      {
        "name": "MIRION TECHNOLOGIES INC-A",
        "value": "19342802.05",
        "weight": "0.01003974",
        "shared": false
      },
      {
        "name": "BOOT BARN HOLDINGS INC",
        "value": "18884684.44",
        "weight": "0.00980196",
        "shared": false
      },
      {
        "name": "HURON CONSULTING GROUP INC",
        "value": "18556424.48",
        "weight": "0.00963158",
        "shared": false
      },
      {
        "name": "XENON PHARMACEUTICALS INC",
        "value": "18374353.30",
        "weight": "0.00953707",
        "shared": false
      },
      {
        "name": "MODINE MFG CO",
        "value": "18265835.77",
        "weight": "0.00948075",
        "shared": false
      },
      {
        "name": "FB FINANCIAL CORP",
        "value": "17993574.20",
        "weight": "0.00933943",
        "shared": false
      }
    ]
  },
  "error": null,
  "sources": [
    {
      "label": "N-PORT (fund A)",
      "accession_no": "0000940400-26-012087",
      "as_of": "2026-01-30",
      "edgar_url": "https://www.sec.gov/Archives/edgar/data/912036/000094040026012087/0000940400-26-012087-index.htm"
    },
    {
      "label": "N-PORT (fund B)",
      "accession_no": "0001410368-26-056145",
      "as_of": "2026-03-31",
      "edgar_url": "https://www.sec.gov/Archives/edgar/data/872649/000141036826056145/0001410368-26-056145-index.htm"
    }
  ]
}