{
  "page": "compare",
  "query": {
    "a": "XAR",
    "b": "FSDAX"
  },
  "retrieved_at": "2026-07-07T18:27:21+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": "State Street(R) SPDR(R) S&P(R) Aerospace & Defense ETF",
    "ticker": "XAR",
    "slug": "XAR",
    "series_id": "S000012318",
    "html_url": "https://fundwatcher.app/funds/XAR/"
  },
  "fund_b": {
    "name": "Select Defense and Aerospace Portfolio",
    "ticker": "FSDAX",
    "slug": "FSDAX",
    "series_id": "S000007456",
    "html_url": "https://fundwatcher.app/funds/FSDAX/"
  },
  "overlap": {
    "coverage_a_by_b": "0.4646834167265466583368907541",
    "coverage_b_by_a": "0.4646834167265466583368907543",
    "shared_count": 23,
    "as_of": {
      "a": "2026-03-31",
      "b": "2026-02-28"
    },
    "a_top": [
      {
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        "value": "199882022.34",
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      },
      {
        "name": "CURTISS WRIGHT CORPORATION",
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      },
      {
        "name": "GENERAL DYNAMICS CORPORATION",
        "value": "185809011.40",
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      },
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        "name": "HEXCEL CORPORATION",
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      {
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      },
      {
        "name": "FTAI AVIATION LTD",
        "value": "180574555.00",
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      },
      {
        "name": "TEXTRON INC",
        "value": "179836594.52",
        "weight": "0.03024991",
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      },
      {
        "name": "RTX CORP",
        "value": "178291297.20",
        "weight": "0.02998998",
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      },
      {
        "name": "LOCKHEED MARTIN CORP",
        "value": "178267248.06",
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      },
      {
        "name": "NORTHROP GRUMMAN CORP",
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      },
      {
        "name": "BOEING CO/THE",
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      },
      {
        "name": "WOODWARD INC",
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      },
      {
        "name": "ATI INC",
        "value": "176953544.60",
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      },
      {
        "name": "TRANSDIGM GROUP INC",
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      },
      {
        "name": "HUNTINGTON INGALLS INDUSTRIES INC",
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      },
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      },
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        "name": "STANDARDAERO INC",
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      {
        "name": "HEICO CORP",
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      },
      {
        "name": "ROCKET LAB CORP",
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      {
        "name": "AEROVIRONMENT INC",
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      {
        "name": "State Street Navigator Securities Lending Portfolio II",
        "value": "168727957.35",
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      },
      {
        "name": "GENERAL ELECTRIC CO",
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      },
      {
        "name": "MOOG INC-CLASS A",
        "value": "163989895.84",
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      },
      {
        "name": "AXON ENTERPRISE INC",
        "value": "157187112.18",
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      },
      {
        "name": "VSE CORP",
        "value": "155337822.40",
        "weight": "0.02612903",
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      },
      {
        "name": "ARCHER AVIATION INC A",
        "value": "154025699.85",
        "weight": "0.02590832",
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      },
      {
        "name": "KRATOS DEFENSE and SEC SOLTN INC",
        "value": "151902513.40",
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      },
      {
        "name": "KARMAN HOLDINGS INC",
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      },
      {
        "name": "MERCURY SYSTEMS INC",
        "value": "125984469.95",
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      },
      {
        "name": "LEONARDO DRS INC",
        "value": "123469096.80",
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      },
      {
        "name": "AAR CORP",
        "value": "115199644.56",
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      {
        "name": "ASTRONICS CORP",
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      {
        "name": "LOAR HOLDINGS INC",
        "value": "98032127.24",
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      },
      {
        "name": "INTUITIVE MACHINES INC A",
        "value": "88633224.32",
        "weight": "0.01490880",
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      },
      {
        "name": "V2X INC",
        "value": "66211072.50",
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      {
        "name": "RED CAT HOLDINGS INC",
        "value": "47140899.19",
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      {
        "name": "DUCOMMUN INC",
        "value": "42856892.00",
        "weight": "0.00720886",
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      },
      {
        "name": "REDWIRE CORP",
        "value": "30081967.50",
        "weight": "0.00506002",
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      },
      {
        "name": "NATL PRESTO INDS",
        "value": "24449996.34",
        "weight": "0.00411268",
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      },
      {
        "name": "CADRE HOLDINGS I",
        "value": "23247217.76",
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      },
      {
        "name": "BETA TECHNOLOGIES INC",
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        "name": "GENERAL ELECTRIC CO",
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      },
      {
        "name": "RTX CORP",
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      },
      {
        "name": "BOEING CO/THE",
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      },
      {
        "name": "HOWMET AEROSPACE INC",
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      {
        "name": "HEICO CORP CL A",
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      {
        "name": "GENERAL DYNAMICS CORPORATION",
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      {
        "name": "CURTISS WRIGHT CORPORATION",
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      },
      {
        "name": "ROLLS-ROYCE HOLDINGS PLC",
        "value": "115540257.33",
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      },
      {
        "name": "WOODWARD INC",
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      {
        "name": "CARPENTER TECHNOLOGY CORP",
        "value": "113410143.00",
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      },
      {
        "name": "AXON ENTERPRISE INC",
        "value": "106527360.00",
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      },
      {
        "name": "ROCKET LAB CORP",
        "value": "103076470.00",
        "weight": "0.02484249",
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      },
      {
        "name": "HUNTINGTON INGALLS INDUSTRIES INC",
        "value": "102106244.00",
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      },
      {
        "name": "BOMBARDIER INC-B",
        "value": "98616552.18",
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      },
      {
        "name": "TEXTRON INC",
        "value": "93174925.00",
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      },
      {
        "name": "TRANSDIGM GROUP INC",
        "value": "90283347.00",
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      {
        "name": "ATI INC",
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      {
        "name": "L3HARRIS TECHNOLOGIES INC",
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        "name": "STANDARDAERO INC",
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      {
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      },
      {
        "name": "LOCKHEED MARTIN CORP",
        "value": "51461856.00",
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      {
        "name": "Fidelity Securities Lending Cash Central Fund",
        "value": "48021348.28",
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      {
        "name": "MERCURY SYSTEMS INC",
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      {
        "name": "KARMAN HOLDINGS INC",
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      {
        "name": "CACI INTL-A",
        "value": "36305115.00",
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      },
      {
        "name": "BAE SYSTEMS PLC",
        "value": "33315761.15",
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      },
      {
        "name": "LEONARDO DRS INC",
        "value": "31175715.00",
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      },
      {
        "name": "Fidelity Cash Central Fund",
        "value": "17553132.72",
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      },
      {
        "name": "AEROVIRONMENT INC",
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      },
      {
        "name": "BETA TECHNOLOGIES INC",
        "value": "327120.00",
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    ]
  },
  "error": null,
  "sources": [
    {
      "label": "N-PORT (fund A)",
      "accession_no": "0001410368-26-055509",
      "as_of": "2026-03-31",
      "edgar_url": "https://www.sec.gov/Archives/edgar/data/1064642/000141036826055509/0001410368-26-055509-index.htm"
    },
    {
      "label": "N-PORT (fund B)",
      "accession_no": "0000035402-26-002654",
      "as_of": "2026-02-28",
      "edgar_url": "https://www.sec.gov/Archives/edgar/data/320351/000003540226002654/0000035402-26-002654-index.htm"
    }
  ]
}