{"cik":"0002070457","entityType":"operating","sic":"6199","sicDescription":"Finance Services","ownerOrg":"09 Crypto Assets","insiderTransactionForOwnerExists":0,"insiderTransactionForIssuerExists":1,"name":"Twenty One Capital, Inc.","tickers":["XXI"],"exchanges":["NYSE"],"ein":"000000000","lei":null,"description":"","website":"","investorWebsite":"","category":"Non-accelerated filer<br>Smaller reporting company<br>Emerging growth company","fiscalYearEnd":"1231","stateOfIncorporation":"TX","stateOfIncorporationDescription":"TX","addresses":{"mailing":{"street1":"CORPORATION SERVICE COMPANY","street2":"211 EAST 7TH STREET, SUITE 620","city":"AUSTIN","stateOrCountry":"TX","zipCode":"78701-3218","stateOrCountryDescription":"TX","isForeignLocation":0,"foreignStateTerritory":null,"country":null,"countryCode":null},"business":{"street1":"CORPORATION SERVICE COMPANY","street2":"211 EAST 7TH STREET, SUITE 620","city":"AUSTIN","stateOrCountry":"TX","zipCode":"78701-3218","stateOrCountryDescription":"TX","isForeignLocation":null,"foreignStateTerritory":null,"country":null,"countryCode":null}},"phone":"206 552 9859","flags":"","formerNames":[],"filings":{"recent":{"accessionNumber":["0001213900-26-049675","0001213900-26-042984","0001213900-26-042983","0001213900-26-040725","9999999995-26-001093","0001213900-26-037809","0001213900-26-037806","0001213900-26-037460","0001213900-26-028372","9999999995-26-000547","0001213900-26-015676","0001213900-26-013482","0001213900-26-001442","0001213900-26-001445","0001213900-26-001444","0001213900-26-001443","0001213900-26-001285","0001213900-25-123918","0001213900-25-121293","0001213900-25-120736","0001213900-25-120708","0001213900-25-119445","0001213900-25-119312","0001213900-25-119311","0001213900-25-119310","0001213900-25-119308","0001213900-25-119307","0001213900-25-119306","0001213900-25-119304","0001213900-25-119302","0001213900-25-119301","0000876661-25-000946","0001213900-25-119080","0001213900-25-118311","0001213900-25-118309","0001213900-25-118048","0001213900-25-117909","0001213900-25-117858","0001213900-25-117373","0001213900-25-117345","0001213900-25-114899","0001213900-25-114847","0001213900-25-114381","0001213900-25-112750","0001213900-25-112739","0001213900-25-110910","0001213900-25-106812","0001213900-25-099976","0001213900-25-099972","0000000000-25-010623","0001213900-25-091298","0001213900-25-087358","0001213900-25-087360","0000000000-25-009301","0001213900-25-074606","0001213900-25-074604","0000000000-25-008030","0001213900-25-061570"],"filingDate":["2026-04-30","2026-04-13","2026-04-13","2026-04-07","2026-04-06","2026-04-01","2026-04-01","2026-03-31","2026-03-16","2026-02-12","2026-02-12","2026-02-09","2026-01-06","2026-01-05","2026-01-05","2026-01-05","2026-01-05","2025-12-19","2025-12-12","2025-12-11","2025-12-11","2025-12-09","2025-12-08","2025-12-08","2025-12-08","2025-12-08","2025-12-08","2025-12-08","2025-12-08","2025-12-08","2025-12-08","2025-12-08","2025-12-08","2025-12-04","2025-12-04","2025-12-04","2025-12-03","2025-12-03","2025-12-02","2025-12-02","2025-11-26","2025-11-25","2025-11-25","2025-11-20","2025-11-19","2025-11-14","2025-11-06","2025-10-17","2025-10-17","2025-09-29","2025-09-25","2025-09-15","2025-09-12","2025-08-29","2025-08-12","2025-08-12","2025-07-30","2025-07-03"],"reportDate":["2026-04-29","2026-04-09","2026-04-09","","","","","2025-12-31","2026-03-12","","","","2026-01-02","2026-01-02","2025-12-08","2026-01-02","","2025-09-30","2025-12-08","2025-12-05","2025-12-08","2025-12-08","2025-12-02","2025-12-08","2025-12-08","2025-12-08","2025-12-08","2025-12-08","2025-12-08","2025-12-08","2025-12-08","","","","","","","","","","","","","","","","","","","","","","","","","","",""],"acceptanceDateTime":["2026-04-30T06:30:47.000Z","2026-04-13T20:15:05.000Z","2026-04-13T20:15:03.000Z","2026-04-07T12:59:17.000Z","2026-04-07T04:15:06.000Z","2026-04-01T00:33:10.000Z","2026-04-01T00:22:57.000Z","2026-03-31T20:16:13.000Z","2026-03-16T20:55:12.000Z","2026-02-13T05:15:07.000Z","2026-02-12T22:17:29.000Z","2026-02-09T13:29:34.000Z","2026-01-06T01:12:18.000Z","2026-01-06T01:12:41.000Z","2026-01-06T01:12:26.000Z","2026-01-06T01:12:11.000Z","2026-01-05T22:24:01.000Z","2025-12-19T21:55:11.000Z","2025-12-12T22:23:25.000Z","2025-12-11T21:45:35.000Z","2025-12-11T21:30:12.000Z","2025-12-09T12:50:40.000Z","2025-12-08T22:21:31.000Z","2025-12-08T22:21:09.000Z","2025-12-08T22:20:46.000Z","2025-12-08T22:20:21.000Z","2025-12-08T22:20:01.000Z","2025-12-08T22:19:37.000Z","2025-12-08T22:19:15.000Z","2025-12-08T22:18:55.000Z","2025-12-08T22:18:32.000Z","2025-12-08T17:44:10.000Z","2025-12-08T17:33:25.000Z","2025-12-04T21:30:51.000Z","2025-12-04T21:30:07.000Z","2025-12-04T11:24:24.000Z","2025-12-03T22:25:23.000Z","2025-12-03T21:33:21.000Z","2025-12-02T22:25:57.000Z","2025-12-02T22:15:20.000Z","2025-11-25T23:30:01.000Z","2025-11-25T22:11:18.000Z","2025-11-25T12:01:43.000Z","2025-11-19T22:41:11.000Z","2025-11-19T22:29:37.000Z","2025-11-14T21:30:19.000Z","2025-11-06T11:13:06.000Z","2025-10-17T20:19:12.000Z","2025-10-17T20:18:18.000Z","2025-09-29T20:36:15.000Z","2025-09-24T23:30:02.000Z","2025-09-13T00:46:10.000Z","2025-09-13T00:46:29.000Z","2025-08-29T11:36:08.000Z","2025-08-12T10:47:23.000Z","2025-08-12T10:43:29.000Z","2025-07-30T19:36:07.000Z","2025-07-03T21:22:27.000Z"],"act":["34","","","33","33","33","33","34","34","33","33","33","34","","","","33","34","34","34","","34","","","","","","","","","","34","34","34","34","33","34","34","34","34","34","34","34","34","34","33","33","","33","","34","33","","","","33","","33"],"form":["8-K","4","4","424B3","EFFECT","S-8","POS AM","10-K","8-K","EFFECT","424B3","S-1/A","8-K","4","4","4","S-1","10-Q","8-K","8-K","3/A","8-K","3","3","3","3","3","3","3","3","3","CERT","8-A12B","425","425","424B3","425","425","425","425","425","425","425","425","425","424B3","424B3","CORRESP","S-4/A","UPLOAD","425","S-4","CORRESP","UPLOAD","DRSLTR","DRS/A","UPLOAD","DRS"],"fileNumber":["001-42997","","","333-292584","333-292584","333-294809","333-292584","001-42997","001-42997","333-292584","333-292584","333-292584","001-42997","","","","333-292584","001-42997","001-42997","001-42997","","001-42997","","","","","","","","","","001-42997","001-42997","333-290246","333-290246","333-290246","333-290246","333-290246","333-290246","333-290246","333-290246","333-290246","333-290246","333-290246","333-290246","333-290246","333-290246","","333-290246","377-08182","333-290246","333-290246","","377-08182","","377-08182","377-08182","377-08182"],"filmNumber":["26919883","","","26843092","26842802","26824239","26824224","26822105","26757637","26628647","26627615","26609714","26509023","","","","26507901","251588261","251569174","251565551","","251557648","","","","","","","","","","251555370","251555307","251550182","251550156","251548218","251547454","251546905","251544239","251544088","251523056","251522556","251515022","251500370","251500316","251487085","251455955","","251401064","","251339958","251312961","","","","251203963","","251106397"],"items":["7.01,9.01","","","",",,","","","","5.02,5.07",",,","","","5.02,9.01","","","","","","1.01,2.01,2.03,3.02,3.03,5.01,5.02,5.03,5.05,5.06,9.01","1.01,9.01","","8.01,9.01","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","",""],"core_type":["XBRL","4","4","424B3","EFFECT","S-8","XBRL","XBRL","XBRL","EFFECT","424B3","XBRL","XBRL","4","4","4","XBRL","XBRL","8-K","8-K","3/A","8-K","3","3","3","3","3","3","3","3","3","CERT","8-A12B","425","425","424B3","425","425","425","425","425","425","425","425","425","424B3","424B3","CORRESP","S-4/A","LETTER","425","S-4","CORRESP","LETTER","DRSLTR","DRS/A","LETTER","DRS"],"size":[13551653,10233,6877,1874865,1821,323589,6161176,6877257,191300,1808,3537403,10568542,196566,5533,5541,5519,11750835,2342316,3234565,56531,3256,61658,10267,10355,3028,10262,10375,10318,10354,10317,10314,166060,15503,166892,296015,73365,63176,79649,131972,356986,36824,36623,23104,86895,92163,470572,20113710,17952,20623292,49180,40687,21840565,40273,54412,102977,16698475,84140,15136962],"isXBRL":[1,0,0,0,0,1,1,1,1,0,0,1,1,0,0,0,1,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0],"isInlineXBRL":[1,0,0,0,0,1,1,1,1,0,0,1,1,0,0,0,1,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0],"isXBRLNumeric":[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],"primaryDocument":["ea0288196-8k_twenty.htm","xslF345X06/ownership.xml","xslF345X06/ownership.xml","ea0285344-424b3_twenty.htm","xslEFFECTX01/primary_doc.xml","ea0282493-s8_twenty.htm","ea0282034-posam1_twenty.htm","ea0280065-10k_twenty.htm","ea0281363-8k_twenty.htm","xslEFFECTX01/primary_doc.xml","ea0276552-424b3_twentyone.htm","ea0275941-s1a1_twenty.htm","ea0271770-8k_twenty.htm","xslF345X05/ownership.xml","xslF345X05/ownership.xml","xslF345X05/ownership.xml","ea0270549-s1_twenty.htm","ea0270339-10q_twenty.htm","ea0269460-8k_twenty.htm","ea0269379-8k_twenty.htm","xslF345X02/ownership.xml","ea0268794-8k_twenty.htm","xslF345X02/ownership.xml","xslF345X02/ownership.xml","xslF345X02/ownership.xml","xslF345X02/ownership.xml","xslF345X02/ownership.xml","xslF345X02/ownership.xml","xslF345X02/ownership.xml","xslF345X02/ownership.xml","xslF345X02/ownership.xml","XXI120825.pdf","ea0266983-8a12b_twenty.htm","ea0268560-425_twenty.htm","ea0268547-425_cantor.htm","ea0268415-424b3_twentyone.htm","ea0268429-425_cantor.htm","ea0268407-425_twenty.htm","ea0268253-425_cantor.htm","ea0268235-425_twentyone.htm","ea0267318-425_cantor.htm","ea0267285-425_twentyone.htm","ea0267119-425_twentyone.htm","ea0266520-425_cantor.htm","ea0266516-425_twentyone.htm","ea0265770-424b3_twenty.htm","ea0247795-09.htm","filename1.htm","ea0247795-07.htm","filename1.pdf","ea0258712-425_cantor.htm","ea0247795-04.htm","filename1.htm","filename1.pdf","filename1.htm","filename1.htm","filename1.pdf","filename1.htm"],"primaryDocDescription":["CURRENT REPORT","","","PROSPECTUS","","REGISTRATION STATEMENT","POST-EFFECTIVE AMENDMENT NO. 1 TO FORM S-1","ANNUAL REPORT","CURRENT REPORT","","PROSPECTUS","AMENDMENT NO. 1 TO FORM S-1","CURRENT REPORT","","","","REGISTRATION STATEMENT","QUARTERLY REPORT","CURRENT REPORT","CURRENT REPORT","","CURRENT REPORT","","","","","","","","","","NYSE CERTIFICATION","FOR REGISTRATION OF CERTAIN CLASSES","FORM 425","FORM 425","PROSPECTUS SUPPLEMENT","FORM 425","FORM 425","FORM 425","FORM 425","FORM 425","FORM 425","FORM 425","FORM 425","FORM 425","PROSPECTUS SUPPLEMENT","PROSPECTUS","","REGISTRATION STATEMENT","","FORM 425","REGISTRATION STATEMENT","","","","","",""]},"files":[]}}