{
  "page": "compare",
  "query": {
    "a": "COPA",
    "b": "ION"
  },
  "retrieved_at": "2026-07-07T19:17:58+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": "Themes Copper Miners ETF",
    "ticker": "COPA",
    "slug": "COPA",
    "series_id": "S000085495",
    "html_url": "https://fundwatcher.app/funds/COPA/"
  },
  "fund_b": {
    "name": "ProShares S&P Global Core Battery Metals ETF",
    "ticker": "ION",
    "slug": "ION",
    "series_id": "S000078011",
    "html_url": "https://fundwatcher.app/funds/ION/"
  },
  "overlap": {
    "coverage_a_by_b": "0.1065217132377271446667761357",
    "coverage_b_by_a": "0.1065217132377271446667761357",
    "shared_count": 7,
    "as_of": {
      "a": "2026-03-31",
      "b": "2026-02-28"
    },
    "a_top": [
      {
        "name": "FREEPORT MCMORAN INC",
        "value": "1016776.44",
        "weight": "0.08787490",
        "shared": false
      },
      {
        "name": "BHP GROUP LTD",
        "value": "492712.11",
        "weight": "0.04258264",
        "shared": true
      },
      {
        "name": "GLENCORE PLC",
        "value": "470935.63",
        "weight": "0.04070061",
        "shared": true
      },
      {
        "name": "FIRST QUANTUM",
        "value": "458314.24",
        "weight": "0.03960981",
        "shared": true
      },
      {
        "name": "LUNDIN MINING CORP",
        "value": "454827.77",
        "weight": "0.03930849",
        "shared": true
      },
      {
        "name": "TECK RESOURCES-B",
        "value": "419248.72",
        "weight": "0.03623357",
        "shared": false
      },
      {
        "name": "ANTOFAGASTA PLC",
        "value": "385049.87",
        "weight": "0.03327793",
        "shared": false
      },
      {
        "name": "Southern Copper Corporation COM USD0.01",
        "value": "385045.09",
        "weight": "0.03327752",
        "shared": false
      },
      {
        "name": "Jiujiang Defu Technology Co Ltd",
        "value": "370995.34",
        "weight": "0.03206327",
        "shared": false
      },
      {
        "name": "IVANHOE MINES LTD",
        "value": "364238.62",
        "weight": "0.03147932",
        "shared": false
      },
      {
        "name": "CAPSTONE COPPER",
        "value": "343264.53",
        "weight": "0.02966664",
        "shared": false
      },
      {
        "name": "Arizona Sonoran Copper Company, Inc.",
        "value": "326183.60",
        "weight": "0.02819042",
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      },
      {
        "name": "TASEKO MINES",
        "value": "300262.09",
        "weight": "0.02595015",
        "shared": false
      },
      {
        "name": "CHINA NONFERROUS",
        "value": "287787.78",
        "weight": "0.02487206",
        "shared": true
      },
      {
        "name": "ATALAYA MINING COPPER SA COMMON STOCK",
        "value": "271946.62",
        "weight": "0.02350299",
        "shared": false
      },
      {
        "name": "Sandfire Resources Ltd",
        "value": "268147.31",
        "weight": "0.02317463",
        "shared": false
      },
      {
        "name": "JIANGXI COPPER-A",
        "value": "257071.31",
        "weight": "0.02221739",
        "shared": false
      },
      {
        "name": "ERO COPPER CORP",
        "value": "255287.61",
        "weight": "0.02206323",
        "shared": false
      },
      {
        "name": "AURUBIS AG",
        "value": "249838.18",
        "weight": "0.02159226",
        "shared": false
      },
      {
        "name": "HUDBAY MINERALS",
        "value": "232227.52",
        "weight": "0.02007026",
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      },
      {
        "name": "MMG",
        "value": "226442.19",
        "weight": "0.01957027",
        "shared": true
      },
      {
        "name": "SOLARIS RESOURCES INC",
        "value": "212037.67",
        "weight": "0.01832535",
        "shared": false
      },
      {
        "name": "29METALS LTD",
        "value": "197372.05",
        "weight": "0.01705788",
        "shared": false
      },
      {
        "name": "Guangdong Feinan Resources Recycling Co Ltd",
        "value": "193876.90",
        "weight": "0.01675581",
        "shared": false
      },
      {
        "name": "CENTRAL ASIA METALS PLC COMMON STOCK",
        "value": "186009.40",
        "weight": "0.01607586",
        "shared": false
      },
      {
        "name": "IMPERIAL METALS CORP COMMON STOCK",
        "value": "183919.60",
        "weight": "0.01589525",
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      },
      {
        "name": "BOLIDEN AB",
        "value": "178443.76",
        "weight": "0.01542200",
        "shared": true
      },
      {
        "name": "LUNR ROYALTIES C",
        "value": "176785.04",
        "weight": "0.01527865",
        "shared": false
      },
      {
        "name": "NGEX MINERALS LT",
        "value": "166720.65",
        "weight": "0.01440883",
        "shared": false
      },
      {
        "name": "AERIS RESOURCES LTD",
        "value": "163095.23",
        "weight": "0.01409550",
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      },
      {
        "name": "GANZHOU TENG Y-A",
        "value": "158336.47",
        "weight": "0.01368423",
        "shared": false
      },
      {
        "name": "IVANHOE ELECTRIC INC",
        "value": "158246.16",
        "weight": "0.01367642",
        "shared": false
      },
      {
        "name": "NITTETSU MINING",
        "value": "151699.06",
        "weight": "0.01311059",
        "shared": false
      },
      {
        "name": "Compania de Minas Buenaventura S.A.A. SPONSORED ADR",
        "value": "141420.96",
        "weight": "0.01222231",
        "shared": false
      },
      {
        "name": "US GOLDMINING INC",
        "value": "139094.80",
        "weight": "0.01202127",
        "shared": false
      },
      {
        "name": "CHINA GOLD INTER",
        "value": "133551.03",
        "weight": "0.01154215",
        "shared": false
      },
      {
        "name": "COLLECTIVE MINING LTD",
        "value": "116486.37",
        "weight": "0.01006733",
        "shared": false
      },
      {
        "name": "ALTIUS MINERALS CORP COMMON STOCK",
        "value": "114279.04",
        "weight": "0.00987657",
        "shared": false
      },
      {
        "name": "WA1 RESOURCES LT",
        "value": "112276.78",
        "weight": "0.00970352",
        "shared": false
      },
      {
        "name": "MITSUB MATERIALS",
        "value": "112255.44",
        "weight": "0.00970168",
        "shared": false
      },
      {
        "name": "AVINO SILVER GOLD MINES LTD",
        "value": "107139.36",
        "weight": "0.00925952",
        "shared": false
      },
      {
        "name": "GOLDMINING INC COMMON STOCK",
        "value": "98775.43",
        "weight": "0.00853667",
        "shared": false
      },
      {
        "name": "FORAN MINING CRP",
        "value": "90763.24",
        "weight": "0.00784421",
        "shared": false
      },
      {
        "name": "SHENZHEN ZHONG-A",
        "value": "88678.96",
        "weight": "0.00766408",
        "shared": false
      },
      {
        "name": "CHALICE MINING L",
        "value": "83444.56",
        "weight": "0.00721170",
        "shared": false
      },
      {
        "name": "Power Metallic Mines, Inc.",
        "value": "81257.06",
        "weight": "0.00702264",
        "shared": false
      },
      {
        "name": "Talon Metals Corp.",
        "value": "80861.55",
        "weight": "0.00698846",
        "shared": false
      },
      {
        "name": "Hot Chili, Ltd.",
        "value": "77583.13",
        "weight": "0.00670512",
        "shared": false
      },
      {
        "name": "Amarc Resources, Ltd.",
        "value": "29714.23",
        "weight": "0.00256805",
        "shared": false
      }
    ],
    "b_top": [
      {
        "name": "Invesco Government & Agency Portfolio, Institutional Class",
        "value": "780833.40",
        "weight": "0.04586767",
        "shared": false
      },
      {
        "name": "PAC METALS CO",
        "value": "764441.33",
        "weight": "0.04490477",
        "shared": false
      },
      {
        "name": "VALE INDONESIA T",
        "value": "607987.11",
        "weight": "0.03571434",
        "shared": false
      },
      {
        "name": "PLS GROUP LTD",
        "value": "561554.19",
        "weight": "0.03298678",
        "shared": false
      },
      {
        "name": "GANFENG LITHIU-H",
        "value": "528879.00",
        "weight": "0.03106738",
        "shared": false
      },
      {
        "name": "IGO LTD",
        "value": "524364.34",
        "weight": "0.03080218",
        "shared": false
      },
      {
        "name": "TIBET MINERAL-A",
        "value": "516838.25",
        "weight": "0.03036008",
        "shared": false
      },
      {
        "name": "ALBEMARLE CORP",
        "value": "512246.89",
        "weight": "0.03009038",
        "shared": false
      },
      {
        "name": "AFRICAN RAINBOW",
        "value": "505676.08",
        "weight": "0.02970439",
        "shared": false
      },
      {
        "name": "XIZANG ZHUFENG-A",
        "value": "482377.00",
        "weight": "0.02833576",
        "shared": false
      },
      {
        "name": "Sociedad Quimica y Minera de Chile S A ADR(REPR 1 PRF SER'B')",
        "value": "481224.10",
        "weight": "0.02826804",
        "shared": false
      },
      {
        "name": "LIONTOWN RESOURC",
        "value": "475510.99",
        "weight": "0.02793244",
        "shared": false
      },
      {
        "name": "QINGHAI SALT-A",
        "value": "473620.49",
        "weight": "0.02782139",
        "shared": false
      },
      {
        "name": "SIGMA LITHIUM CORP COMMON STOCK",
        "value": "473555.83",
        "weight": "0.02781759",
        "shared": false
      },
      {
        "name": "MINERAL RESOURCE",
        "value": "463777.51",
        "weight": "0.02724319",
        "shared": false
      },
      {
        "name": "CHENGXIN LITHI-A",
        "value": "439419.32",
        "weight": "0.02581234",
        "shared": false
      },
      {
        "name": "SOUTH32 LTD-DI",
        "value": "430398.52",
        "weight": "0.02528244",
        "shared": false
      },
      {
        "name": "TIANQI LITHIUM-A",
        "value": "421051.10",
        "weight": "0.02473336",
        "shared": false
      },
      {
        "name": "TIMAH TBK PT",
        "value": "418383.79",
        "weight": "0.02457667",
        "shared": false
      },
      {
        "name": "ZANGGE MINING-A",
        "value": "405934.92",
        "weight": "0.02384540",
        "shared": false
      },
      {
        "name": "LUNDIN MINING CORP",
        "value": "393101.04",
        "weight": "0.02309152",
        "shared": true
      },
      {
        "name": "ANEKA TAMBANG TB",
        "value": "374462.74",
        "weight": "0.02199667",
        "shared": false
      },
      {
        "name": "AMG CRITICAL MAT",
        "value": "368765.07",
        "weight": "0.02166197",
        "shared": false
      },
      {
        "name": "VALTERRA PLATINU",
        "value": "330406.38",
        "weight": "0.01940871",
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      },
      {
        "name": "BOLIDEN AB",
        "value": "329312.95",
        "weight": "0.01934448",
        "shared": true
      },
      {
        "name": "CMOC-H",
        "value": "326870.59",
        "weight": "0.01920101",
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      },
      {
        "name": "SINOMINE RESOU-A",
        "value": "326531.21",
        "weight": "0.01918108",
        "shared": false
      },
      {
        "name": "FIRST QUANTUM",
        "value": "323564.30",
        "weight": "0.01900679",
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      },
      {
        "name": "ERAMET",
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      },
      {
        "name": "IMPALA PLATINUM",
        "value": "300815.23",
        "weight": "0.01767047",
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      },
      {
        "name": "ZHEJIANG HUAYO-A",
        "value": "277521.48",
        "weight": "0.01630215",
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      },
      {
        "name": "Vale S.A. SPONS ADS REPR 1 COM NPV",
        "value": "262458.86",
        "weight": "0.01541734",
        "shared": false
      },
      {
        "name": "ANGLO AMER PLC",
        "value": "241801.40",
        "weight": "0.01420388",
        "shared": false
      },
      {
        "name": "NORTHAM PLATINUM HOLDINGS LTD",
        "value": "238286.37",
        "weight": "0.01399740",
        "shared": false
      },
      {
        "name": "CHINA NONFERROUS",
        "value": "224910.17",
        "weight": "0.01321166",
        "shared": true
      },
      {
        "name": "SIBANYE STILLWAT",
        "value": "209115.32",
        "weight": "0.01228384",
        "shared": false
      },
      {
        "name": "GLENCORE PLC",
        "value": "207955.84",
        "weight": "0.01221573",
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      },
      {
        "name": "MMG",
        "value": "201333.73",
        "weight": "0.01182673",
        "shared": true
      },
      {
        "name": "BHP GROUP LTD",
        "value": "199981.13",
        "weight": "0.01174728",
        "shared": true
      },
      {
        "name": "FRANCO-NEVADA CORP",
        "value": "171328.12",
        "weight": "0.01006415",
        "shared": false
      },
      {
        "name": "SICHUAN YAHUA-A",
        "value": "167455.11",
        "weight": "0.00983664",
        "shared": false
      },
      {
        "name": "ZIJIN MINING-H",
        "value": "145875.83",
        "weight": "0.00856903",
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      },
      {
        "name": "WESFARMERS LTD",
        "value": "119159.29",
        "weight": "0.00699965",
        "shared": false
      },
      {
        "name": "MITSUI MINING &",
        "value": "118648.99",
        "weight": "0.00696967",
        "shared": false
      },
      {
        "name": "SUMITOMO CORP",
        "value": "109482.01",
        "weight": "0.00643119",
        "shared": false
      },
      {
        "name": "KGHM",
        "value": "94739.80",
        "weight": "0.00556520",
        "shared": false
      },
      {
        "name": "SUMITOMO MET MIN",
        "value": "91030.32",
        "weight": "0.00534730",
        "shared": false
      },
      {
        "name": "Receive CONTEMPORARY A-A Pay Overnight Rate -1",
        "value": "89796.52",
        "weight": "0.00527482",
        "shared": false
      },
      {
        "name": "METALLURGICAL-H",
        "value": "74404.20",
        "weight": "0.00437065",
        "shared": false
      },
      {
        "name": "SOJITZ CORP",
        "value": "56308.14",
        "weight": "0.00330765",
        "shared": false
      }
    ]
  },
  "error": null,
  "sources": [
    {
      "label": "N-PORT (fund A)",
      "accession_no": "0000894189-26-015962",
      "as_of": "2026-03-31",
      "edgar_url": "https://www.sec.gov/Archives/edgar/data/1976322/000089418926015962/0000894189-26-015962-index.htm"
    },
    {
      "label": "N-PORT (fund B)",
      "accession_no": "0002071691-26-009174",
      "as_of": "2026-02-28",
      "edgar_url": "https://www.sec.gov/Archives/edgar/data/1174610/000207169126009174/0002071691-26-009174-index.htm"
    }
  ]
}