curl --request GET \
  --url https://api.sectors.app/v2/mining/companies/ownership/{slug}/ \
  --header 'Authorization: <api-key>'

{
  "slug": "adaro-energy",
  "parents": [
    {
      "name": "PT Adaro Strategic Investments",
      "slug": "adaro-strategic-investments",
      "symbol": null,
      "percentage_ownership": 43.91
    }
  ],
  "subsidiaries": [
    {
      "name": "PT Adaro Minerals Indonesia Tbk",
      "slug": "adaro-minerals-indonesia",
      "symbol": "ADMR.JK",
      "percentage_ownership": 83.26
    }
  ]
}