{
  "page": "compare",
  "query": {
    "a": "AIRR",
    "b": "PKB"
  },
  "retrieved_at": "2026-07-07T17:28:55+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": "First Trust RBA American Industrial Renaissance ETF",
    "ticker": "AIRR",
    "slug": "AIRR",
    "series_id": "S000044209",
    "html_url": "https://fundwatcher.app/funds/AIRR/"
  },
  "fund_b": {
    "name": "Invesco Building & Construction ETF",
    "ticker": "PKB",
    "slug": "PKB",
    "series_id": "S000003040",
    "html_url": "https://fundwatcher.app/funds/PKB/"
  },
  "overlap": {
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    "coverage_b_by_a": "0.1430099409644418463029173162",
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    "as_of": {
      "a": "2026-03-31",
      "b": "2026-01-31"
    },
    "a_top": [
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      },
      {
        "name": "COMFORT SYSTEMS USA INC",
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        "name": "EMCOR GROUP INC",
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        "name": "PRIMORIS SVCS CORP",
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        "name": "SAIA INC",
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      {
        "name": "BWX TECHNOLOGIES INC",
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      {
        "name": "SPX TECHNOLOGIES INC",
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        "name": "DYCOM INDUSTRIES INC",
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        "name": "OWENS CORNING INC",
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        "name": "CLEAN HARBORS INC",
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        "name": "RBC BEARINGS INC",
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        "name": "KARMAN HOLDINGS INC",
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        "name": "FNB CORP PA",
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      {
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        "name": "ASSOCIATED BANC CORP",
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        "name": "MUELLER WATER PRODUCTS INC A",
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        "name": "ZURN ELKAY WATER SOLUTIONS CORP",
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        "name": "MERCURY SYSTEMS INC",
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        "name": "TUTOR PERINI CORP",
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        "name": "LEONARDO DRS INC",
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        "name": "ATKORE INC",
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      {
        "name": "FIRST FIN BANCRP",
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      {
        "name": "CRH PLC",
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        "name": "MARTIN MAR MTLS",
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      {
        "name": "Amrize Ltd. USD0.01",
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        "name": "PULTEGROUP INC",
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        "name": "VULCAN MATERIALS CO",
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        "name": "TRACTOR SUPPLY CO.",
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      {
        "name": "Invesco Private Prime Fund",
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        "name": "THERMON GROUP HOLDINGS INC",
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      {
        "name": "MYR GROUP INC/DELAWARE",
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      {
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        "name": "ASTEC INDUSTRIES INC",
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      {
        "name": "TITAN AMERICA SA COMMON STOCK",
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      {
        "name": "FLUOR CORP",
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      {
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      {
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      {
        "name": "KNIFE RIVER HOLDING CO W/I",
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      {
        "name": "Invesco Private Government Fund",
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      },
      {
        "name": "Invesco Government & Agency Portfolio, Institutional Class",
        "value": "146075.81",
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    ]
  },
  "error": null,
  "sources": [
    {
      "label": "N-PORT (fund A)",
      "accession_no": "0000940400-26-020407",
      "as_of": "2026-03-31",
      "edgar_url": "https://www.sec.gov/Archives/edgar/data/1552740/000094040026020407/0000940400-26-020407-index.htm"
    },
    {
      "label": "N-PORT (fund B)",
      "accession_no": "0001209466-26-000442",
      "as_of": "2026-01-31",
      "edgar_url": "https://www.sec.gov/Archives/edgar/data/1209466/000120946626000442/0001209466-26-000442-index.htm"
    }
  ]
}