{"cik":"0001809930","entityType":"other","sic":"","sicDescription":"","ownerOrg":"","insiderTransactionForOwnerExists":0,"insiderTransactionForIssuerExists":0,"name":"Anthracite Investment Company, Inc.","tickers":[],"exchanges":[],"ein":"680520205","lei":null,"description":"","website":"","investorWebsite":"","category":"","fiscalYearEnd":"1231","stateOfIncorporation":"TX","stateOfIncorporationDescription":"TX","addresses":{"mailing":{"street1":"640 TAYLOR STREET, SUITE 2400","street2":null,"city":"FORT WORTH","stateOrCountry":"TX","zipCode":"76102","stateOrCountryDescription":"TX","isForeignLocation":0,"foreignStateTerritory":null,"country":null,"countryCode":null},"business":{"street1":"640 TAYLOR STREET, SUITE 2400","street2":null,"city":"FORT WORTH","stateOrCountry":"TX","zipCode":"76102","stateOrCountryDescription":"TX","isForeignLocation":null,"foreignStateTerritory":null,"country":null,"countryCode":null}},"phone":"817-639-2207","flags":"","formerNames":[],"filings":{"recent":{"accessionNumber":["0001213900-26-114964","0001213900-26-087282","0001213900-26-052376","0001213900-26-015574","0001213900-25-106689","0001085146-25-004374","0001809930-25-000003","0001085146-25-002769","0001085146-25-001014","0001085146-24-005468","0001085146-24-003582","0001085146-24-002359","0001085146-24-000891"],"filingDate":["2026-11-02","2026-08-10","2026-05-06","2026-02-12","2025-11-05","2025-07-31","2025-06-09","2025-05-08","2025-02-12","2024-11-08","2024-08-08","2024-05-09","2024-02-08"],"reportDate":["2026-09-30","2026-06-30","2026-03-31","2025-12-31","2025-09-30","2025-06-30","","2025-03-31","2024-12-31","2024-09-30","2024-06-30","2024-03-31","2023-12-31"],"acceptanceDateTime":["2026-11-02T21:30:02.000Z","2026-08-10T20:30:01.000Z","2026-05-05T21:55:59.000Z","2026-02-12T21:15:31.000Z","2025-11-05T21:45:01.000Z","2025-07-31T17:43:36.000Z","2025-06-09T17:56:43.000Z","2025-05-08T14:19:44.000Z","2025-02-11T22:50:17.000Z","2024-11-08T21:42:40.000Z","2024-08-07T23:36:57.000Z","2024-05-09T20:51:16.000Z","2024-02-08T22:15:56.000Z"],"act":["34","34","34","34","34","34","","34","34","34","34","34","34"],"form":["13F-HR","13F-HR","13F-HR","13F-HR","13F-HR","13F-HR","SCHEDULE 13G","13F-HR","13F-HR","13F-HR","13F-HR","13F-HR","13F-HR"],"fileNumber":["028-23657","028-23657","028-23657","028-23657","028-23657","028-23657","","028-23657","028-23657","028-23657","028-23657","028-23657","028-23657"],"filmNumber":["261512802","261258873","26944990","26626391","251454774","251170837","","25924491","25611114","241441360","241185544","24931562","24610163"],"items":["","","","","","","","","","","","",""],"core_type":["13F-HR","13F-HR","13F-HR","13F-HR","13F-HR","13F-HR","SCHEDULE 13G","13F-HR","13F-HR","13F-HR","13F-HR","13F-HR","13F-HR"],"size":[4081,4130,4129,4129,4158,42167,9451,42128,58107,54938,51959,64670,51264],"isXBRL":[0,0,0,0,0,0,0,0,0,0,0,0,0],"isInlineXBRL":[0,0,0,0,0,0,0,0,0,0,0,0,0],"isXBRLNumeric":[0,0,0,null,null,null,null,null,null,null,null,null,null],"primaryDocument":["xslForm13F_X02/primary_doc.xml","xslForm13F_X02/primary_doc.xml","xslForm13F_X02/primary_doc.xml","xslForm13F_X02/primary_doc.xml","xslForm13F_X02/primary_doc.xml","xslForm13F_X02/primary_doc.xml","xslSCHEDULE_13G_X01/primary_doc.xml","xslForm13F_X02/primary_doc.xml","xslForm13F_X02/primary_doc.xml","xslForm13F_X02/primary_doc.xml","xslForm13F_X02/primary_doc.xml","xslForm13F_X02/primary_doc.xml","xslForm13F_X02/primary_doc.xml"],"primaryDocDescription":["","","","","","","","","","","","",""]},"files":[]}}