{"cik":"0002026098","entityType":"other","sic":"","sicDescription":"","ownerOrg":"","insiderTransactionForOwnerExists":0,"insiderTransactionForIssuerExists":1,"name":"Gladstone Alternative Income Fund","tickers":[],"exchanges":[],"ein":"996587386","lei":null,"description":"","website":"","investorWebsite":"","category":"","fiscalYearEnd":"1231","stateOfIncorporation":"DE","stateOfIncorporationDescription":"DE","addresses":{"mailing":{"street1":"1521 WESTBRANCH DRIVE","street2":"SUITE 100","city":"MCLEAN","stateOrCountry":"VA","zipCode":"22102","stateOrCountryDescription":"VA","isForeignLocation":0,"foreignStateTerritory":null,"country":null,"countryCode":null},"business":{"street1":"1521 WESTBRANCH DRIVE","street2":"SUITE 100","city":"MCLEAN","stateOrCountry":"VA","zipCode":"22102","stateOrCountryDescription":"VA","isForeignLocation":null,"foreignStateTerritory":null,"country":null,"countryCode":null}},"phone":"703-287-5800","flags":"","formerNames":[],"filings":{"recent":{"accessionNumber":["0001049169-26-002083","0001193125-26-327138","0001193125-26-317654","0001193125-26-316188","0001398344-26-011243","0001238280-26-000016","0001049169-26-001656","0001193125-26-255173","0001238280-26-000008","0001049169-26-001088","0001193125-26-191504","0001049169-26-000679","0001193125-26-022669","0001193125-25-307614","0001049169-25-000629","0001193125-25-289145","0001193125-25-259822","9999999997-25-003697","9999999997-25-003447","0001049169-25-000134","0001193125-25-179356","0001193125-25-178985","0001021408-25-000636","0001193125-25-166445","0001193125-25-165493","0001062993-25-012986","0001398344-25-012496","0001752724-25-133647","0001193125-25-135971","0001752724-25-129781","0001193125-25-123227","0001193125-25-107117","0001752724-25-045343","0001193125-25-012206","0001193125-24-283802","0001062993-24-020852","0001062993-24-020850","0001062993-24-020848","0000950170-24-137876","0001193125-24-278435","0001062993-24-020592","0001062993-24-020590","0001062993-24-020589","0001062993-24-020588","0001062993-24-020364","0001062993-24-020362","0001062993-24-020361","0001062993-24-020359","0001062993-24-020358","0001062993-24-020356","0001062993-24-020355","0001193125-24-271519","0001193125-24-255286","0001193125-24-253184","0001062993-24-018593","9999999995-24-003387","0001062993-24-018498","0001062993-24-018497","0001062993-24-018496","0001062993-24-018495","0001062993-24-018494","0001062993-24-018493","0001062993-24-018492","0001062993-24-018491","0001062993-24-018490","0001062993-24-018489","0001062993-24-018488","0001062993-24-018487","0001062993-24-018486","0001062993-24-018485","0001062993-24-018484","0001062993-24-018483","0001062993-24-018482","0001193125-24-248636","0001193125-24-238227","0001193125-24-238229","9999999997-24-003903","0001193125-24-208800","0001193125-24-208792","9999999997-24-003640","0001193125-24-178484","0001193125-24-178480","0001193125-24-178446"],"filingDate":["2026-08-27","2026-07-31","2026-07-27","2026-07-24","2026-06-25","2026-06-05","2026-06-05","2026-06-03","2026-06-03","2026-05-20","2026-04-29","2026-02-27","2026-01-26","2025-12-04","2025-11-24","2025-11-20","2025-10-31","2025-09-30","2025-09-04","2025-08-28","2025-08-13","2025-08-12","2025-07-30","2025-07-28","2025-07-25","2025-07-18","2025-07-01","2025-06-11","2025-06-05","2025-05-30","2025-05-20","2025-04-30","2025-02-27","2025-01-24","2024-12-23","2024-12-18","2024-12-18","2024-12-18","2024-12-18","2024-12-13","2024-12-13","2024-12-13","2024-12-13","2024-12-13","2024-12-10","2024-12-10","2024-12-10","2024-12-10","2024-12-10","2024-12-10","2024-12-10","2024-12-05","2024-11-12","2024-11-07","2024-11-07","2024-11-06","2024-11-06","2024-11-06","2024-11-06","2024-11-06","2024-11-06","2024-11-06","2024-11-06","2024-11-06","2024-11-06","2024-11-06","2024-11-06","2024-11-06","2024-11-06","2024-11-06","2024-11-06","2024-11-06","2024-11-06","2024-10-31","2024-10-17","2024-10-16","2024-09-24","2024-08-28","2024-08-28","2024-08-27","2024-07-12","2024-07-12","2024-07-12"],"reportDate":["2026-06-30","2026-07-31","2026-06-30","","2026-03-31","2026-06-01","2026-03-31","2026-03-31","2026-06-01","2026-03-31","2026-05-01","2025-12-31","2026-01-30","2025-09-30","2025-09-30","","2025-10-31","","","2025-06-30","","","2025-06-30","2025-08-01","","2025-07-10","2025-03-31","2025-03-31","2025-03-31","2025-03-31","","2025-05-01","2024-12-31","","","2024-12-17","2024-12-17","2024-12-17","","","2024-12-12","2024-12-12","2024-12-12","2024-12-12","2024-12-09","2024-12-09","2024-12-09","2024-12-09","2024-12-09","2024-12-09","2024-12-09","","","","2024-11-06","","2024-11-06","2024-11-06","2024-11-06","2024-11-06","2024-11-06","2024-11-06","2024-11-06","2024-11-06","2024-11-06","2024-11-06","2024-11-06","2024-11-06","2024-11-06","2024-11-06","2024-11-06","2024-11-06","2024-11-06","","","","","","","","","",""],"acceptanceDateTime":["2026-08-27T16:00:26.000Z","2026-07-31T13:00:12.000Z","2026-07-27T16:36:57.000Z","2026-07-24T20:42:37.000Z","2026-06-25T17:47:14.000Z","2026-06-05T18:52:14.000Z","2026-06-05T18:11:42.000Z","2026-06-03T18:19:37.000Z","2026-06-03T15:58:39.000Z","2026-05-20T19:40:52.000Z","2026-04-29T20:05:12.000Z","2026-02-27T21:35:24.000Z","2026-01-26T21:30:16.000Z","2025-12-04T15:11:40.000Z","2025-11-24T17:08:55.000Z","2025-11-20T16:38:22.000Z","2025-10-31T13:00:16.000Z","2025-09-30T19:19:20.000Z","2025-09-04T20:36:47.000Z","2025-08-27T21:34:03.000Z","2025-08-13T10:02:09.000Z","2025-08-12T20:21:55.000Z","2025-07-30T14:26:45.000Z","2025-07-28T20:17:23.000Z","2025-07-25T20:41:32.000Z","2025-07-18T15:39:40.000Z","2025-07-01T16:57:57.000Z","2025-06-11T17:03:40.000Z","2025-06-05T21:12:51.000Z","2025-05-30T14:25:26.000Z","2025-05-20T21:08:50.000Z","2025-04-30T20:03:15.000Z","2025-02-27T22:17:21.000Z","2025-01-24T21:07:05.000Z","2024-12-23T14:51:39.000Z","2024-12-18T21:14:49.000Z","2024-12-18T21:12:57.000Z","2024-12-18T21:11:00.000Z","2024-12-18T21:05:50.000Z","2024-12-13T20:48:52.000Z","2024-12-13T19:32:38.000Z","2024-12-13T18:59:31.000Z","2024-12-13T18:56:40.000Z","2024-12-13T18:55:25.000Z","2024-12-10T21:08:46.000Z","2024-12-10T21:06:54.000Z","2024-12-10T21:05:57.000Z","2024-12-10T21:05:01.000Z","2024-12-10T21:04:09.000Z","2024-12-10T21:02:31.000Z","2024-12-10T21:01:38.000Z","2024-12-05T21:08:42.000Z","2024-11-12T14:31:59.000Z","2024-11-07T21:33:09.000Z","2024-11-07T20:16:50.000Z","2024-11-07T05:15:10.000Z","2024-11-06T22:07:50.000Z","2024-11-06T22:07:06.000Z","2024-11-06T22:05:41.000Z","2024-11-06T22:04:51.000Z","2024-11-06T22:03:33.000Z","2024-11-06T22:02:52.000Z","2024-11-06T22:02:03.000Z","2024-11-06T22:00:23.000Z","2024-11-06T21:59:37.000Z","2024-11-06T21:58:49.000Z","2024-11-06T21:53:21.000Z","2024-11-06T21:52:26.000Z","2024-11-06T21:51:37.000Z","2024-11-06T21:51:10.000Z","2024-11-06T21:49:39.000Z","2024-11-06T21:48:53.000Z","2024-11-06T21:47:31.000Z","2024-10-31T19:56:55.000Z","2024-10-17T10:01:17.000Z","2024-10-16T22:02:49.000Z","2024-09-24T16:37:25.000Z","2024-08-28T20:07:50.000Z","2024-08-28T20:06:30.000Z","2024-08-27T16:11:10.000Z","2024-07-12T17:57:26.000Z","2024-07-12T17:55:28.000Z","2024-07-12T17:01:26.000Z"],"act":["40","40","40","40,33","33","","40","40","","40","40","40","40","40","40","40","40","IC","IC","40","IC","IC","40","40","40,33","","33","40","40","40","IC","40","40","33","33","","","","34","34","","","","","","","","","","","","33","40","33","","33","","","","","","","","","","","","","","","","","","","40,33","","IC","","40,33","IC","IC","40,33","40"],"form":["NPORT-P","N-23C3A","N-PX","486BPOS","24F-2NT","3/A","N-CEN","N-CSR","3","NPORT-P","N-23C3A","NPORT-P","N-23C3A","N-CSRS","NPORT-P","40-17G","N-23C3A","APP ORDR","APP NTC","NPORT-P","40-APP/A","40-APP/A","N-PX","N-23C3A","486BPOS","3","24F-2NT","N-CEN","N-CSR","NPORT-P","40-APP","N-23C3A","NPORT-P","424B3","424B3","4","4","4","SCHEDULE 13D/A","SC 13D","4","4","4","4","4","4","4","4","4","3","3","424B3","40-17G","424B3","3/A","EFFECT","3","3","3","3","3","3","3","3","3","3","3","3","3","3","3","3","3","CORRESP","N-2/A","CORRESP","APP ORDR","CORRESP","N-2/A","APP NTC","40-APP","N-2","N-8A"],"fileNumber":["811-23983","817-01526","811-23983","811-23983,333-280771","333-280771","","811-23983","811-23983","","811-23983","817-01526","811-23983","817-01526","811-23983","811-23983","811-23983","817-01526","812-15806","812-15806","811-23983","812-15806","812-15806","811-23983","817-01526","811-23983,333-280771","","333-280771","811-23983","811-23983","811-23983","812-15806","817-01526","811-23983","333-280771","333-280771","","","","005-94777","005-94777","","","","","","","","","","","","333-280771","811-23983","333-280771","","333-280771","","","","","","","","","","","","","","","","","","","811-23983,333-280771","","812-15602","","811-23983,333-280771","812-15602","812-15602","811-23983,333-280771","811-23983"],"filmNumber":["261327605","261225626","261204521","261202017,261202016","261120288","","261068450","261060080","","261003704","26915793","26700741","26560854","251548510","251510965","251501779","251438238","251360006","251293925","251266622","251208778","251207053","251164674","251155848","251152130,251152129","","251095220","251039494","251028112","251007609","25969846","25894809","25680713","25554209","241570433","","","","241559206","241548192","","","","","","","","","","","","241529164","241444203","241436406","","241432834","","","","","","","","","","","","","","","","","","","241375797,241375796","","241318637","","241255449,241255448","241245650","241114035","241114030,241114029","241113883"],"items":["","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","N-2,,2024-11-06 16:30:00","","","","","","","","","","","","","","","","","","","","","","","","","","",""],"core_type":["NPORT-P","N-23C3A","N-PX","XBRL","24F-2NT","3/A","N-CEN","XBRL","3","NPORT-P","N-23C3A","NPORT-P","N-23C3A","XBRL","NPORT-P","40-17G","N-23C3A","APP ORDR","APP NTC","NPORT-P","40-APP/A","40-APP/A","N-PX","N-23C3A","XBRL","3","24F-2NT","N-CEN","XBRL","NPORT-P","40-APP","N-23C3A","NPORT-P","424B3","424B3","4","4","4","SCHEDULE 13D/A","SC 13D","4","4","4","4","4","4","4","4","4","3","3","424B3","40-17G","XBRL","3/A","EFFECT","3","3","3","3","3","3","3","3","3","3","3","3","3","3","3","3","3","CORRESP","XBRL","CORRESP","APP ORDR","CORRESP","N-2/A","APP NTC","40-APP","N-2","N-8A"],"size":[83976,70556,3643,3184044,4450,412304,28291,5360246,384190,25116,69589,81984,73378,4869142,22864,102929,72316,136540,188135,72712,116940,74418,3652,72957,3092833,2908,4480,31701,5435530,21198,116964,69869,45800,4217,22740,4510,4486,7489,12565,154343,431797,4510,4486,7489,431214,431921,431742,432345,435806,3715,3691,3892,2298600,2613078,3825,1692,3119,3767,2910,2951,2912,2916,2928,2914,2762,2889,2858,2894,2885,2888,2908,2867,2909,32979,4545542,46725,149497,87241,977225,151128,994612,933120,9239],"isXBRL":[0,0,0,1,0,0,0,1,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,1,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0],"isInlineXBRL":[0,0,0,1,0,0,0,1,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,1,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0],"isXBRLNumeric":[0,0,0,0,0,0,0,0,0,0,0,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null],"primaryDocument":["xslFormNPORT-P_X01/primary_doc.xml","d74268dn23c3a.htm","xslN-PX_X01/primary_doc.xml","d77474d486bpos.htm","xsl24F-2NT/primary_doc.xml","xslF345X06/form3a.xml","xslFormN-CEN_X01/primary_doc.xml","d20826dncsr.htm","xslF345X06/form3.xml","xslFormNPORT-P_X01/primary_doc.xml","d27409dn23c3a.htm","xslFormNPORT-P_X01/primary_doc.xml","d36549dn23c3a.htm","d945564dncsrs.htm","xslFormNPORT-P_X01/primary_doc.xml","d936594d4017g.htm","d132502dn23c3a.htm","filename1.pdf","filename1.pdf","xslFormNPORT-P_X01/primary_doc.xml","d949403d40appa.htm","d906117d40appa.htm","xslN-PX_X01/primary_doc.xml","d161429dn23c3a.htm","d840368d486bpos.htm","xslF345X02/form3.xml","xsl24F-2NT/primary_doc.xml","xslFormN-CEN_X01/primary_doc.xml","d935980dncsr.htm","xslFormNPORT-P_X01/primary_doc.xml","d835246d40app.htm","d944093dn23c3a.htm","xslFormNPORT-P_X01/primary_doc.xml","d925923d424b3.htm","d690975d424b3.htm","xslF345X05/form4.xml","xslF345X05/form4.xml","xslF345X05/form4.xml","xslSCHEDULE_13D_X01/primary_doc.xml","d919488dsc13d.htm","xslF345X05/form4.xml","xslF345X05/form4.xml","xslF345X05/form4.xml","xslF345X05/form4.xml","xslF345X05/form4.xml","xslF345X05/form4.xml","xslF345X05/form4.xml","xslF345X05/form4.xml","xslF345X05/form4.xml","xslF345X02/form3.xml","xslF345X02/form3.xml","d913912d424b3.htm","d857659d4017g.htm","d841597d424b3.htm","xslF345X02/form3a.xml","xslEFFECTX01/primary_doc.xml","xslF345X02/form3.xml","xslF345X02/form3.xml","xslF345X02/form3.xml","xslF345X02/form3.xml","xslF345X02/form3.xml","xslF345X02/form3.xml","xslF345X02/form3.xml","xslF345X02/form3.xml","xslF345X02/form3.xml","xslF345X02/form3.xml","xslF345X02/form3.xml","xslF345X02/form3.xml","xslF345X02/form3.xml","xslF345X02/form3.xml","xslF345X02/form3.xml","xslF345X02/form3.xml","xslF345X02/form3.xml","filename1.htm","d852100dn2a.htm","filename1.htm","filename1.pdf","filename1.htm","d866610dn2a.htm","filename1.pdf","d863536d40app.htm","d869769dn2.htm","d864081dn8a.htm"],"primaryDocDescription":["","GLADSTONE ALTERNATIVE INCOME FUND","","GLADSTONE ALTERNATIVE INCOME FUND","","AMENDED INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES","","N-CSR","INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES","","GLADSTONE ALTERNATIVE INCOME FUND","","GLADSTONE ALTERNATIVE INCOME FUND","N-CSRS","","GLADSTONE ALTERNATIVE INCOME FUND","GLADSTONE ALTERNATIVE INCOME FUND","","","","GLADSTONE 40-APP/A","GLADSTONE 40-APP/A","","GLADSTONE ALTERNATIVE INCOME FUND","GLADSTONE ALTERNATIVE INCOME FUND","INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES","","","N-CSR","","GLADSTONE 40-APP","GLADSTONE ALTERNATIVE INCOME FUND","","GLADSTONE ALTERNATIVE INCOME FUND","GLADSTONE ALTERNATIVE INCOME FUND","STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES","STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES","STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES","","GLADSTONE ALTERNATIVE INCOME FUND","STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES","STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES","STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES","STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES","STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES","STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES","STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES","STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES","STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES","INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES","INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES","GLADSTONE ALTERNATIVE INCOME FUND","GLADSTONE ALTERNATIVE INCOME FUND","GLADSTONE ALTERNATIVE INCOME FUND","AMENDED INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES","","INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES","INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES","INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES","INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES","INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES","INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES","INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES","INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES","INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES","INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES","INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES","INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES","INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES","INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES","INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES","INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES","INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES","","GLADSTONE ALTERNATIVE INCOME FUND","","","","N-2/A","","GLADSTONE 40-APP","GLADSTONE ALTERNATIVE INCOME FUND","GLADSTONE ALTERNATIVE INCOME FUND"]},"files":[]}}