{
  "page": "compare",
  "query": {
    "a": "PKB",
    "b": "IFRA"
  },
  "retrieved_at": "2026-07-07T19:08:04+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": "Invesco Building & Construction ETF",
    "ticker": "PKB",
    "slug": "PKB",
    "series_id": "S000003040",
    "html_url": "https://fundwatcher.app/funds/PKB/"
  },
  "fund_b": {
    "name": "iShares U.S. Infrastructure ETF",
    "ticker": "IFRA",
    "slug": "IFRA",
    "series_id": "S000061314",
    "html_url": "https://fundwatcher.app/funds/IFRA/"
  },
  "overlap": {
    "coverage_a_by_b": "0.1264544497314872268332718839",
    "coverage_b_by_a": "0.1264544497314872268332718839",
    "shared_count": 20,
    "as_of": {
      "a": "2026-01-31",
      "b": "2026-03-31"
    },
    "a_top": [
      {
        "name": "COMFORT SYSTEMS USA INC",
        "value": "20590920.90",
        "weight": "0.05355269",
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      },
      {
        "name": "CRH PLC",
        "value": "18546706.33",
        "weight": "0.04823612",
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      },
      {
        "name": "MARTIN MAR MTLS",
        "value": "18419543.35",
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      },
      {
        "name": "Amrize Ltd. USD0.01",
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      },
      {
        "name": "PULTEGROUP INC",
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      },
      {
        "name": "VULCAN MATERIALS CO",
        "value": "17854179.78",
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      },
      {
        "name": "JOHNSON CONTROLS",
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      },
      {
        "name": "TRACTOR SUPPLY CO.",
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        "weight": "0.04259065",
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      },
      {
        "name": "Invesco Private Prime Fund",
        "value": "12346380.80",
        "weight": "0.03211036",
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      },
      {
        "name": "THERMON GROUP HOLDINGS INC",
        "value": "12306868.75",
        "weight": "0.03200760",
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      },
      {
        "name": "TUTOR PERINI CORP",
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      },
      {
        "name": "PRIMORIS SVCS CORP",
        "value": "11163818.00",
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      },
      {
        "name": "MYR GROUP INC/DELAWARE",
        "value": "10983007.00",
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      },
      {
        "name": "INTERFACE INC",
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      },
      {
        "name": "ASTEC INDUSTRIES INC",
        "value": "10684588.32",
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      },
      {
        "name": "TITAN AMERICA SA COMMON STOCK",
        "value": "10618348.16",
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      },
      {
        "name": "FLUOR CORP",
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      {
        "name": "VALMONT INDUSTRIES INC",
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      },
      {
        "name": "INSTALLED BUILDING PRODUCTS INC",
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      },
      {
        "name": "API GROUP CORP",
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      {
        "name": "LOUISIANA PACIFIC CORP",
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      {
        "name": "GREEN BRICK PARTNERS INC",
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      },
      {
        "name": "DYCOM INDUSTRIES INC",
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      },
      {
        "name": "SOUTHWEST GAS HOLDINGS INC",
        "value": "9581114.52",
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      },
      {
        "name": "EVERUS CONSTRUCTION GROUP INC",
        "value": "9529045.65",
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      },
      {
        "name": "US LIME & MINERA",
        "value": "9255980.82",
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      },
      {
        "name": "ARMSTRONG WORLD INDUSTRIES INC",
        "value": "9232751.26",
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      {
        "name": "EAGLE MATERIALS INC",
        "value": "8985779.09",
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      {
        "name": "ARGAN INC",
        "value": "8688163.30",
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      {
        "name": "KNIFE RIVER HOLDING CO W/I",
        "value": "8671243.98",
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      },
      {
        "name": "CAVCO INDUSTRIES INC",
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      },
      {
        "name": "Invesco Private Government Fund",
        "value": "4752990.67",
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      },
      {
        "name": "Invesco Government & Agency Portfolio, Institutional Class",
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    ],
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      },
      {
        "name": "UNION PACIFIC CORP",
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      },
      {
        "name": "QUANTA SVCS INC",
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      {
        "name": "CSX CORP",
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      },
      {
        "name": "CRH PLC",
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      },
      {
        "name": "SOUTHERN CO",
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        "weight": "0.02897328",
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      },
      {
        "name": "DUKE ENERGY CORP NEW",
        "value": "101798124.54",
        "weight": "0.02729828",
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      },
      {
        "name": "NORFOLK SOUTHERN CORP",
        "value": "100079770.00",
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      {
        "name": "CONSTELLATION ENERGY CORP",
        "value": "93774663.25",
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      },
      {
        "name": "WILLIAMS COS INC",
        "value": "88563070.80",
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      },
      {
        "name": "COMFORT SYSTEMS USA INC",
        "value": "74432364.24",
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      },
      {
        "name": "UNITED RENTALS INC",
        "value": "70918758.96",
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      },
      {
        "name": "AMERICAN ELECTRIC POWER CO INC",
        "value": "70756328.60",
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      {
        "name": "TC ENERGY CORP",
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      {
        "name": "KINDER MORGAN INC",
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      {
        "name": "SEMPRA ENERGY",
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      {
        "name": "NUCOR CORP",
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      {
        "name": "ONEOK INC",
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      {
        "name": "VULCAN MATERIALS CO",
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      {
        "name": "MARTIN MAR MTLS",
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        "name": "DOMINION ENERGY INC",
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      {
        "name": "ENTERGY CORP",
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      {
        "name": "EMCOR GROUP INC",
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      {
        "name": "VISTRA CORP",
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      {
        "name": "EXELON CORP",
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        "name": "XCEL ENERGY INC",
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      {
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        "name": "CONSOLIDATED EDISON INC",
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      {
        "name": "PUB SERV ENTERP",
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        "name": "PG&E CORP",
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      {
        "name": "STEEL DYNAMICS INC",
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      {
        "name": "WEC ENERGY GROUP INC",
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      {
        "name": "BlackRock Cash Funds: Institutional, SL Agency Shares",
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      {
        "name": "ATI INC",
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      {
        "name": "ATMOS ENERGY CORP",
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        "name": "DTE ENERGY CO",
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        "name": "AMEREN CORP",
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      {
        "name": "CENTERPOINT ENERGY INC",
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        "name": "AMERICAN WATER WRKS COMPANY",
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      {
        "name": "EVERSOURCE ENERGY",
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      {
        "name": "RELIANCE STEEL and ALUMINUM CO",
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      },
      {
        "name": "CMS ENERGY CORP",
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    ]
  },
  "error": null,
  "sources": [
    {
      "label": "N-PORT (fund A)",
      "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"
    },
    {
      "label": "N-PORT (fund B)",
      "accession_no": "0001004726-26-003728",
      "as_of": "2026-03-31",
      "edgar_url": "https://www.sec.gov/Archives/edgar/data/1100663/000100472626003728/0001004726-26-003728-index.htm"
    }
  ]
}