{"action":"elsewhere","city":"George Town","companyRegistrationNumber":null,"conformityFlag":"CONFORMING","country":"KY","createdAt":"2023-12-06T00:00:00.000Z","entityCategory":"FUND","entityStatus":"ACTIVE","entitySubCategory":null,"expirationReason":null,"expiredAt":null,"family":{"children":[],"childrenTotal":0,"exceptions":[{"category":"DIRECT_ACCOUNTING_CONSOLIDATION_PARENT","reasons":["NON_CONSOLIDATING"],"references":[]},{"category":"ULTIMATE_ACCOUNTING_CONSOLIDATION_PARENT","reasons":["NON_CONSOLIDATING"],"references":[]}],"parents":[{"active":true,"country":"US","legalName":"221B Capital Management LLC","lei":"254900G0H3ZGV9EOI245","relationshipTypes":["IS_FUND-MANAGED_BY"]}]},"headquartersAddress":"C/O 221B Capital Management LLC, 41 Austin Place","headquartersCity":"Briarcliff Manor","headquartersCountry":"US","headquartersPostalCode":"10510","headquartersRegion":"US-NY","lastUpdatedAt":"2025-11-11T17:07:15.322Z","legalAddress":"C/O Maples Corporate Services Limited, PO Box 309, Ugland House, Grand Cayman","legalFormAbbreviation":null,"legalFormCode":"8888","legalFormName":null,"legalJurisdiction":"KY","legalName":"221B Master Fund LP","lei":"254900UJX4F5LYZG8Y61","managingLou":"5493001KJTIIGC8Y1R12","managingLouName":"Bloomberg","managingLouWebsite":"http://lei.bloomberg.com","nextRenewalAt":"2026-11-20T17:28:38.047Z","otherLegalForm":"FUND","postalCode":"KY1-1104","region":null,"registeredAt":"2023-12-20T17:28:38.047Z","registrationAuthorityId":"RA000086","registrationAuthorityName":"Registry of Companies","registrationAuthorityWebsite":"https://www.ciregistry.ky/","registrationNumber":"MC-125250","registrationNumberFormatted":"MC-125250","registrationStatus":"ISSUED","served":false,"successorLeis":[],"validationAuthorityEntityId":"MC-125250","validationAuthorityId":"RA000086","validationAuthorityName":"Registry of Companies","validationSources":"FULLY_CORROBORATED"}