{"cik":"0002044327","entityType":"other","sic":"","sicDescription":"","ownerOrg":"","insiderTransactionForOwnerExists":0,"insiderTransactionForIssuerExists":1,"name":"C1 Fund Inc.","tickers":["CFND"],"exchanges":["NYSE"],"ein":"000000000","lei":null,"description":"","website":"","investorWebsite":"","category":"","fiscalYearEnd":"1231","stateOfIncorporation":"CA","stateOfIncorporationDescription":"CA","addresses":{"mailing":{"street1":"228 HAMILTON AVENUE","street2":"3RD FLOOR","city":"PALO ALTO","stateOrCountry":"CA","zipCode":"94301","stateOrCountryDescription":"CA","isForeignLocation":0,"foreignStateTerritory":null,"country":null,"countryCode":null},"business":{"street1":"228 HAMILTON AVENUE","street2":"3RD FLOOR","city":"PALO ALTO","stateOrCountry":"CA","zipCode":"94301","stateOrCountryDescription":"CA","isForeignLocation":null,"foreignStateTerritory":null,"country":null,"countryCode":null}},"phone":"(650) 374-7800","flags":"","formerNames":[],"filings":{"recent":{"accessionNumber":["0001104659-26-074928","0001104659-26-073885","0001104659-26-071917","0001049169-26-001554","0001049169-26-001064","0002063341-26-000001","0001104659-26-060344","0001104659-26-034960","0001104659-26-032659","0001104659-26-027520","0001104659-26-026331","0001049169-26-000753","0001104659-26-011099","0001104659-25-122570","0001104659-25-122569","0001104659-25-121545","0001104659-25-120927","0001104659-25-119181","0001104659-25-119179","0001104659-25-118677","0001104659-25-118579","0001104659-25-118367","0001104659-25-118198","0001049169-25-000602","0001013594-25-001432","0001104659-25-092465","0001104659-25-090485","0001104659-25-089129","0001104659-25-088351","0001104659-25-088350","0001104659-25-087944","0001104659-25-087943","0001104659-25-087942","0001104659-25-087941","0001104659-25-087940","0001104659-25-082658","0001104659-25-079355","0001013594-25-001041","0001104659-25-076103","0001104659-25-075228","9999999995-25-002491","0001104659-25-074862","0001104659-25-074860","0001104659-25-074859","0001104659-25-074858","0001104659-25-074857","0001104659-25-074856","0001104659-25-074855","0001104659-25-074854","0001104659-25-074853","0000876661-25-000583","0001104659-25-074538","0001104659-25-072262","0001104659-25-070933","0001104659-25-070935","0001104659-25-057930","0001104659-25-054380","0001104659-25-054318","0001104659-25-039430","0001104659-25-039419","0001104659-25-021693","0001104659-25-021690","0001104659-25-011997","0001104659-25-004973","0001104659-25-004939","0000000000-24-013729","0001104659-24-117460","0001104659-24-116651","0001104659-24-116635","0001104659-24-115760"],"filingDate":["2026-06-17","2026-06-15","2026-06-09","2026-05-29","2026-05-15","2026-05-13","2026-05-13","2026-03-26","2026-03-20","2026-03-13","2026-03-11","2026-03-03","2026-02-05","2025-12-18","2025-12-18","2025-12-16","2025-12-15","2025-12-08","2025-12-08","2025-12-05","2025-12-04","2025-12-04","2025-12-03","2025-11-21","2025-11-14","2025-09-23","2025-09-16","2025-09-10","2025-09-08","2025-09-08","2025-09-05","2025-09-05","2025-09-05","2025-09-05","2025-09-05","2025-08-25","2025-08-15","2025-08-14","2025-08-11","2025-08-07","2025-08-06","2025-08-06","2025-08-06","2025-08-06","2025-08-06","2025-08-06","2025-08-06","2025-08-06","2025-08-06","2025-08-06","2025-08-06","2025-08-06","2025-07-30","2025-07-28","2025-07-25","2025-06-09","2025-05-29","2025-05-29","2025-04-25","2025-04-25","2025-03-07","2025-03-07","2025-02-12","2025-01-21","2025-01-21","2024-12-13","2024-11-13","2024-11-12","2024-11-12","2024-11-08"],"reportDate":["2026-06-16","2026-06-11","2026-06-08","2026-03-31","2025-12-31","","2025-12-31","2026-03-16","2026-03-16","2025-12-31","2025-12-31","2025-12-31","2025-12-18","2025-12-17","2025-10-06","2025-12-15","2025-12-11","2025-12-04","2025-12-05","2025-12-03","2025-11-21","2025-12-03","2025-12-01","2025-09-30","","","","","2025-08-08","2025-08-06","2025-09-05","2025-09-05","2025-09-05","2025-09-05","2025-09-05","2025-08-06","2025-08-08","","2025-08-08","","","2025-08-06","2025-08-06","2025-08-06","2025-08-06","2025-08-06","2025-08-06","2025-08-06","2025-08-06","2025-08-06","","","","","","","","","","","","","","","","","","","",""],"acceptanceDateTime":["2026-06-17T13:14:42.000Z","2026-06-15T14:53:46.000Z","2026-06-09T21:15:27.000Z","2026-05-29T20:24:41.000Z","2026-05-15T17:17:08.000Z","2026-05-13T21:25:26.000Z","2026-05-13T20:53:40.000Z","2026-03-26T13:51:45.000Z","2026-03-20T19:34:53.000Z","2026-03-13T15:36:33.000Z","2026-03-11T18:33:12.000Z","2026-03-03T19:31:07.000Z","2026-02-05T23:20:18.000Z","2025-12-18T21:35:08.000Z","2025-12-18T21:33:52.000Z","2025-12-16T20:32:53.000Z","2025-12-15T14:40:51.000Z","2025-12-08T17:05:57.000Z","2025-12-08T17:04:14.000Z","2025-12-05T13:24:32.000Z","2025-12-05T02:18:20.000Z","2025-12-04T17:21:43.000Z","2025-12-03T23:00:36.000Z","2025-11-21T21:03:02.000Z","2025-11-14T21:23:55.000Z","2025-09-23T18:50:22.000Z","2025-09-16T21:22:00.000Z","2025-09-10T21:27:27.000Z","2025-09-08T23:21:26.000Z","2025-09-08T23:19:45.000Z","2025-09-06T00:04:04.000Z","2025-09-06T00:03:09.000Z","2025-09-06T00:02:11.000Z","2025-09-06T00:01:02.000Z","2025-09-06T00:00:16.000Z","2025-08-26T00:30:08.000Z","2025-08-15T23:19:30.000Z","2025-08-14T21:07:28.000Z","2025-08-11T18:38:31.000Z","2025-08-07T20:40:57.000Z","2025-08-07T04:15:04.000Z","2025-08-07T01:30:11.000Z","2025-08-07T01:29:34.000Z","2025-08-07T01:28:58.000Z","2025-08-07T01:28:05.000Z","2025-08-07T01:26:57.000Z","2025-08-07T01:26:26.000Z","2025-08-07T01:25:52.000Z","2025-08-07T01:25:18.000Z","2025-08-07T01:24:08.000Z","2025-08-06T13:24:08.000Z","2025-08-06T13:07:49.000Z","2025-07-30T21:23:44.000Z","2025-07-26T01:21:55.000Z","2025-07-26T01:24:26.000Z","2025-06-09T23:36:52.000Z","2025-05-29T23:53:40.000Z","2025-05-29T21:23:00.000Z","2025-04-25T20:12:56.000Z","2025-04-25T20:08:41.000Z","2025-03-07T20:06:17.000Z","2025-03-07T20:04:49.000Z","2025-02-12T16:39:08.000Z","2025-01-22T02:05:30.000Z","2025-01-21T22:00:24.000Z","2024-12-13T16:07:57.000Z","2024-11-13T16:55:48.000Z","2024-11-12T17:54:30.000Z","2024-11-12T17:25:21.000Z","2024-11-08T19:16:49.000Z"],"act":["","","","40","40","34","40","34","34","40","40","40","","","","","","","","","","","","40","34","33","33","40","","","","","","","","","","34","","33","33","","","","","","","","","","34","34","","40,33","","","","40,33","","40,33","","40,33","","","40,33","","33","40,33","40","40"],"form":["4","4","4","NPORT-P","NT N-CEN","SCHEDULE 13G","N-CSR","8-K/A","8-K","NT-NCEN","NT-NCSR","NT NPORT-P","4","4","3","4","4","4","4","4","4","4","4","NPORT-P","SCHEDULE 13G/A","497AD","497AD","40-17G","4","3","4","4","4","4","4","3","4","SCHEDULE 13G","4","424B1","EFFECT","3","3","3","3","3","3","3","3","3","CERT","8-A12B","CORRESP","N-2/A","CORRESP","CORRESP","CORRESP","N-2/A","CORRESP","N-2/A","CORRESP","N-2/A","CORRESP","CORRESP","N-2/A","UPLOAD","497AD","N-2","N-8A/A","N-8A"],"fileNumber":["","","","811-24022","811-24022","005-95194","811-24022","811-24022","811-24022","811-24022","811-24022","811-24022","","","","","","","","","","","","811-24022","005-95194","333-283139","333-283139","811-24022","","","","","","","","","","005-95194","","333-283139","333-283139","","","","","","","","","","001-42788","001-42788","","811-24022,333-283139","","","","811-24022,333-283139","","811-24022,333-283139","","811-24022,333-283139","","","811-24022,333-283139","333-283139","333-283139","811-24022,333-283139","811-24022","811-24022"],"filmNumber":["","","","261044854","26985194","26974701","26974284","26794742","26778014","26750835","26742809","26713020","","","","","","","","","","","","251507832","251486821","251333176","251318149","251306668","","","","","","","","","","251220847","","251194873","251191329","","","","","","","","","","251187836","251187790","","251152817,251152816","","","","251004877,251004876","","25873990,25873989","","25719574,25719573","","","25543174,25543173","","241452308","241446292,241446291","241446054","241439518"],"items":["","","","","","","","4.01,9.01","4.01","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","",",,","","","","","","","","","","","","","","","","","","","","","","","","","","","","",""],"core_type":["4","4","4","NPORT-P","N-CEN","SCHEDULE 13G","N-CSR","XBRL","XBRL","NT-NCEN","NT-NCSR","NPORT-P","4","4","3","4","4","4","4","4","4","4","4","NPORT-P","SCHEDULE 13G/A","497AD","497AD","40-17G","4","3","4","4","4","4","4","3","4","SCHEDULE 13G","4","XBRL","EFFECT","3","3","3","3","3","3","3","3","3","CERT","8-A12B","CORRESP","XBRL","CORRESP","CORRESP","CORRESP","XBRL","CORRESP","XBRL","CORRESP","N-2/A","CORRESP","CORRESP","N-2/A","LETTER","497AD","N-2","N-8A/A","N-8A"],"size":[5294,6763,6767,85690,118457,8123,1627235,221468,190879,25299,25969,12262,4428,4429,3476,5158,6060,6062,5157,5156,4413,5151,6061,23344,13128,5484,14378,1084205,9290,3496,5155,5118,5121,5693,5043,3724,5823,22572,4461,3997783,1647,3504,4478,4333,3490,3460,3474,4445,4442,4438,165030,15879,23762,3964155,93905,17855,89196,3571849,104355,3667231,238871,1804647,36012,401144,925274,603969,26200,1162184,28132,11823],"isXBRL":[0,0,0,0,0,0,0,1,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,1,0,1,0,0,0,0,0,0,0,0,0,0],"isInlineXBRL":[0,0,0,0,0,0,0,1,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,1,0,1,0,0,0,0,0,0,0,0,0,0],"isXBRLNumeric":[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],"primaryDocument":["xslF345X06/tm2618169-1_4seq1.xml","xslF345X06/tm2617953-1_4seq1.xml","xslF345X06/tm2617363-1_4seq1.xml","xslFormNPORT-P_X01/primary_doc.xml","xslFormN-CEN_X01/primary_doc.xml","xslSCHEDULE_13G_X02/primary_doc.xml","tm2614221d1_ncsr.htm","tm269843d1_8ka.htm","tm269405d1_8k.htm","tm268444d2_ntncen.htm","tm268444d1_ntncsr.htm","xslFormNPORT-P_X01/primary_doc.xml","xslF345X05/tm265431-1_4seq1.xml","xslF345X05/tm2533916-2_4seq1.xml","xslF345X02/tm2533916-1_3seq1.xml","xslF345X05/tm2533682-1_4seq1.xml","xslF345X05/tm2533489-1_4seq1.xml","xslF345X05/tm2532869-2_4seq1.xml","xslF345X05/tm2532869-1_4seq1.xml","xslF345X05/tm2532828-1_4seq1.xml","xslF345X05/tm2532815-1_4seq1.xml","xslF345X05/tm2532761-1_4seq1.xml","xslF345X05/tm2532703-1_4seq1.xml","xslFormNPORT-P_X01/primary_doc.xml","xslSCHEDULE_13G_X01/primary_doc.xml","tm2526778d1_497ad.htm","tm2526249d1_497ad.htm","tm2525708d1_4017g.pdf","xslF345X05/tm2522756-18_4seq1.xml","xslF345X02/tm2522756-10_3seq1.xml","xslF345X05/tm2522756-17_4seq1.xml","xslF345X05/tm2522756-16_4seq1.xml","xslF345X05/tm2522756-15_4seq1.xml","xslF345X05/tm2522756-14_4seq1.xml","xslF345X05/tm2522756-13_4seq1.xml","xslF345X02/tm2522756-12_3seq1.xml","xslF345X05/tm2523686-1_4seq1.xml","xslSCHEDULE_13G_X01/primary_doc.xml","xslF345X05/tm2522756-11_4seq1.xml","tm2518508d7_424b1.htm","xslEFFECTX01/primary_doc.xml","xslF345X02/tm2522756-9_3seq1.xml","xslF345X02/tm2522756-8_3seq1.xml","xslF345X02/tm2522756-7_3seq1.xml","xslF345X02/tm2522756-6_3seq1.xml","xslF345X02/tm2522756-5_3seq1.xml","xslF345X02/tm2522756-4_3seq1.xml","xslF345X02/tm2522756-3_3seq1.xml","xslF345X02/tm2522756-2_3seq1.xml","xslF345X02/tm2522756-1_3seq1.xml","CFND080625.pdf","tm2522511d1_8a12b.htm","filename1.htm","tm2518508d1_n2a.htm","filename1.htm","filename1.htm","filename1.htm","tm2512238d3_n2a.htm","filename1.htm","tm2512238d1_n2a.htm","filename1.htm","tm258063d1_n2a.htm","filename1.htm","filename1.htm","tm253531d1_n2a.htm","filename1.pdf","tm2427547d4_497ad.htm","tm2427547d1_n2.htm","tm2427547d3_n8aa.htm","tm2427547d2_n8a.htm"],"primaryDocDescription":["OWNERSHIP DOCUMENT","OWNERSHIP DOCUMENT","OWNERSHIP DOCUMENT","","","","N-CSR","FORM 8-K/A","FORM 8-K","NT-NCEN","NT-NCSR","","OWNERSHIP DOCUMENT","OWNERSHIP DOCUMENT","OWNERSHIP DOCUMENT","OWNERSHIP DOCUMENT","OWNERSHIP DOCUMENT","OWNERSHIP DOCUMENT","OWNERSHIP DOCUMENT","OWNERSHIP DOCUMENT","OWNERSHIP DOCUMENT","OWNERSHIP DOCUMENT","OWNERSHIP DOCUMENT","","","497AD","497AD","40-17G","OWNERSHIP DOCUMENT","OWNERSHIP DOCUMENT","OWNERSHIP DOCUMENT","OWNERSHIP DOCUMENT","OWNERSHIP DOCUMENT","OWNERSHIP DOCUMENT","OWNERSHIP DOCUMENT","OWNERSHIP DOCUMENT","OWNERSHIP DOCUMENT","","OWNERSHIP DOCUMENT","424B1","","OWNERSHIP DOCUMENT","OWNERSHIP DOCUMENT","OWNERSHIP DOCUMENT","OWNERSHIP DOCUMENT","OWNERSHIP DOCUMENT","OWNERSHIP DOCUMENT","OWNERSHIP DOCUMENT","OWNERSHIP DOCUMENT","OWNERSHIP DOCUMENT","NYSE CERTIFICATION","FORM 8-A12B","","N-2/A","","","","N-2/A","","N-2/A","","N-2/A","","","N-2/A","","497AD","N-2","N-8A/A","N-8A"]},"files":[]}}