{"action":"elsewhere","city":"Wilmington","companyRegistrationNumber":null,"conformityFlag":"CONFORMING","country":"US","createdAt":"2013-06-17T00:00:00.000Z","entityCategory":"FUND","entityStatus":"ACTIVE","entitySubCategory":null,"expirationReason":null,"expiredAt":null,"family":{"children":[{"active":true,"country":"US","legalName":"Calamos Active Hedged Equity ETF","lei":"5299001O54DDQN11E030","relationshipTypes":["IS_SUBFUND_OF"]},{"active":true,"country":"US","legalName":"Calamos Antetokounmpo Global Sustainable Equities ETF","lei":"549300IXHANXJTUHDG46","relationshipTypes":["IS_SUBFUND_OF"]},{"active":true,"country":"US","legalName":"Calamos Autocallable Growth ETF","lei":"5299001ILJSKQ75FM792","relationshipTypes":["IS_SUBFUND_OF"]},{"active":true,"country":"US","legalName":"Calamos Autocallable Income ETF","lei":"529900QWW5U1CSOLFX31","relationshipTypes":["IS_SUBFUND_OF"]},{"active":true,"country":"US","legalName":"Calamos Bitcoin 80 Series Structured Alt Protection ETF - April","lei":"529900UGECTXBZTHP539","relationshipTypes":["IS_SUBFUND_OF"]},{"active":true,"country":"US","legalName":"Calamos Bitcoin 80 Series Structured Alt Protection ETF - January","lei":"5299004KVMQVNLAOBF74","relationshipTypes":["IS_SUBFUND_OF"]},{"active":true,"country":"US","legalName":"Calamos Bitcoin 80 Series Structured Alt Protection ETF - July","lei":"5299005RG23MQOSURB24","relationshipTypes":["IS_SUBFUND_OF"]},{"active":true,"country":"US","legalName":"Calamos Bitcoin 80 Series Structured Alt Protection ETF - October","lei":"529900GHBBUCPJ6LFY61","relationshipTypes":["IS_SUBFUND_OF"]},{"active":true,"country":"US","legalName":"Calamos Bitcoin 90 Series Structured Alt Protection ETF - April","lei":"529900NT2Y524TJOZK20","relationshipTypes":["IS_SUBFUND_OF"]},{"active":true,"country":"US","legalName":"Calamos Bitcoin 90 Series Structured Alt Protection ETF - January","lei":"529900T88YV37REL8T20","relationshipTypes":["IS_SUBFUND_OF"]},{"active":true,"country":"US","legalName":"Calamos Bitcoin 90 Series Structured Alt Protection ETF - July","lei":"529900GY5CNX3HHUOU60","relationshipTypes":["IS_SUBFUND_OF"]},{"active":true,"country":"US","legalName":"Calamos Bitcoin 90 Series Structured Alt Protection ETF - October","lei":"5299005ZCG3F1AM3C756","relationshipTypes":["IS_SUBFUND_OF"]},{"active":true,"country":"US","legalName":"Calamos Bitcoin Structured Alt Protection ETF - 6 Mo Jan/Jul","lei":"529900QOE06PU00FDG11","relationshipTypes":["IS_SUBFUND_OF"]},{"active":true,"country":"US","legalName":"Calamos Bitcoin Structured Alt Protection ETF - April","lei":"5299004T0HM3EILLAF89","relationshipTypes":["IS_SUBFUND_OF"]},{"active":true,"country":"US","legalName":"Calamos Bitcoin Structured Alt Protection ETF - January","lei":"5299001QS25T7PR5DC42","relationshipTypes":["IS_SUBFUND_OF"]},{"active":true,"country":"US","legalName":"Calamos Bitcoin Structured Alt Protection ETF - July","lei":"529900IS11ZHWV6Y2032","relationshipTypes":["IS_SUBFUND_OF"]},{"active":true,"country":"US","legalName":"Calamos Bitcoin Structured Alt Protection ETF - October","lei":"529900XQTGBBHJT8BJ09","relationshipTypes":["IS_SUBFUND_OF"]},{"active":true,"country":"US","legalName":"Calamos CEF Income & Arbitrage ETF","lei":"529900OKGDHB8Q1U7716","relationshipTypes":["IS_SUBFUND_OF"]},{"active":true,"country":"US","legalName":"Calamos Convertible Equity Alternative ETF","lei":"5493000KIH3OQMJM3V23","relationshipTypes":["IS_SUBFUND_OF"]},{"active":true,"country":"US","legalName":"Calamos Laddered Bitcoin 80 Series Structured Alt Protection ETF","lei":"529900G547ZZV5WTAN30","relationshipTypes":["IS_SUBFUND_OF"]},{"active":true,"country":"US","legalName":"Calamos Laddered Bitcoin 90 Series Structured Alt Protection ETF","lei":"529900VD9EWGHPIPPV83","relationshipTypes":["IS_SUBFUND_OF"]},{"active":true,"country":"US","legalName":"Calamos Laddered Bitcoin Structured Alt Protection ETF","lei":"529900F77E1ZLRZILU15","relationshipTypes":["IS_SUBFUND_OF"]},{"active":true,"country":"US","legalName":"Calamos Laddered S&P 500 Structured Alt Protection ETF","lei":"5299009VWTW8TBHTY679","relationshipTypes":["IS_SUBFUND_OF"]},{"active":true,"country":"US","legalName":"Calamos [Least-Of Autocallable Income] ETF","lei":"529900SLN169TKHODV50","relationshipTypes":["IS_SUBFUND_OF"]},{"active":true,"country":"US","legalName":"Calamos Nasdaq-100 Structured Alt Protection ETF - December","lei":"529900BFIAPYEQKJRW04","relationshipTypes":["IS_SUBFUND_OF"]},{"active":true,"country":"US","legalName":"Calamos Nasdaq-100 Structured Alt Protection ETF - June","lei":"5299002AUDKCZ8E8HE66","relationshipTypes":["IS_SUBFUND_OF"]},{"active":true,"country":"US","legalName":"Calamos Nasdaq-100 Structured Alt Protection ETF - March","lei":"5299007KAV5SKN190990","relationshipTypes":["IS_SUBFUND_OF"]},{"active":true,"country":"US","legalName":"Calamos Nasdaq-100 Structured Alt Protection ETF - September","lei":"529900F4263T55ZE5E73","relationshipTypes":["IS_SUBFUND_OF"]},{"active":true,"country":"US","legalName":"Calamos [Nasdaq Autocallable Growth] ETF","lei":"529900TA6LNUW24HUS79","relationshipTypes":["IS_SUBFUND_OF"]},{"active":true,"country":"US","legalName":"Calamos Nasdaq Equity & Income ETF","lei":"529900VLTH1RQZU8GJ19","relationshipTypes":["IS_SUBFUND_OF"]},{"active":true,"country":"US","legalName":"Calamos Russell 2000 Structured Alt Protection ETF - April","lei":"5299009L4GM6XSEB1N09","relationshipTypes":["IS_SUBFUND_OF"]},{"active":true,"country":"US","legalName":"Calamos Russell 2000 Structured Alt Protection ETF - January","lei":"5299003GK0IP48HRWL32","relationshipTypes":["IS_SUBFUND_OF"]},{"active":true,"country":"US","legalName":"Calamos Russell 2000 Structured Alt Protection ETF - July","lei":"529900KQD0YCJPILTX26","relationshipTypes":["IS_SUBFUND_OF"]},{"active":true,"country":"US","legalName":"Calamos Russell 2000 Structured Alt Protection ETF - October","lei":"529900FHNJIA7AXGUC26","relationshipTypes":["IS_SUBFUND_OF"]},{"active":true,"country":"US","legalName":"Calamos S&P 500 Structured Alt Protection ETF - April","lei":"5299002XITPXWH6BFE28","relationshipTypes":["IS_SUBFUND_OF"]},{"active":true,"country":"US","legalName":"Calamos S&P 500 Structured Alt Protection ETF - August","lei":"529900VODKS9PLA9OK22","relationshipTypes":["IS_SUBFUND_OF"]},{"active":true,"country":"US","legalName":"Calamos S&P 500 Structured Alt Protection ETF - December","lei":"529900KI0MEC4KFU2U85","relationshipTypes":["IS_SUBFUND_OF"]},{"active":true,"country":"US","legalName":"Calamos S&P 500 Structured Alt Protection ETF - February","lei":"5299002IP7IYWS7M4B83","relationshipTypes":["IS_SUBFUND_OF"]},{"active":true,"country":"US","legalName":"Calamos S&P 500 Structured Alt Protection ETF - January","lei":"529900W960V0AT12PD43","relationshipTypes":["IS_SUBFUND_OF"]},{"active":true,"country":"US","legalName":"Calamos S&P 500 Structured Alt Protection ETF - July","lei":"529900BVEAMOTWU8BN92","relationshipTypes":["IS_SUBFUND_OF"]},{"active":true,"country":"US","legalName":"Calamos S&P 500 Structured Alt Protection ETF - June","lei":"52990001WXERZSHBCQ81","relationshipTypes":["IS_SUBFUND_OF"]},{"active":true,"country":"US","legalName":"Calamos S&P 500 Structured Alt Protection ETF - March","lei":"529900OZMUJEE6DBWY51","relationshipTypes":["IS_SUBFUND_OF"]},{"active":true,"country":"US","legalName":"Calamos S&P 500 Structured Alt Protection ETF - May","lei":"529900YBJJAKW7UWTP52","relationshipTypes":["IS_SUBFUND_OF"]},{"active":true,"country":"US","legalName":"Calamos S&P 500 Structured Alt Protection ETF - November","lei":"5299008A16L93LF9JY07","relationshipTypes":["IS_SUBFUND_OF"]},{"active":true,"country":"US","legalName":"Calamos S&P 500 Structured Alt Protection ETF - October","lei":"529900FD0RPBHLDV4K79","relationshipTypes":["IS_SUBFUND_OF"]},{"active":true,"country":"US","legalName":"Calamos S&P 500 Structured Alt Protection ETF - September","lei":"529900J3C3QVJWPBSI56","relationshipTypes":["IS_SUBFUND_OF"]},{"active":true,"country":"US","legalName":"Calamos Tax-Aware Collateral ETF","lei":"529900YEZN1C0XQHEE23","relationshipTypes":["IS_SUBFUND_OF"]},{"active":true,"country":"US","legalName":"Calamos Timpani Active SMID Growth ETF","lei":"529900XFN3CMVW11V139","relationshipTypes":["IS_SUBFUND_OF"]}],"childrenTotal":48,"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":"Calamos Antetokounmpo Asset Management LLC","lei":"254900EOW9PWD3HOBG68","relationshipTypes":["IS_FUND-MANAGED_BY"]}]},"headquartersAddress":"C/O Calamos Antetokounmpo Asset Management LLC, 2020 Calamos Court","headquartersCity":"Naperville","headquartersCountry":"US","headquartersPostalCode":"60563","headquartersRegion":"US-IL","lastUpdatedAt":"2025-11-27T10:47:07.541Z","legalAddress":"C/O THE CORPORATION TRUST COMPANY, Corporation Trust Center, 1209 Orange Street","legalFormAbbreviation":null,"legalFormCode":"8888","legalFormName":null,"legalJurisdiction":"US-DE","legalName":"Calamos ETF Trust","lei":"549300B2KP9WEFDULJ54","managingLou":"5493001KJTIIGC8Y1R12","managingLouName":"Bloomberg","managingLouWebsite":"http://lei.bloomberg.com","nextRenewalAt":"2026-12-04T14:55:42.160Z","otherLegalForm":"FUND","postalCode":"19801","region":"US-DE","registeredAt":"2022-12-01T21:30:00.000Z","registrationAuthorityId":"RA000602","registrationAuthorityName":"Division of Corporations, Department of State","registrationAuthorityWebsite":"https://corp.delaware.gov/","registrationNumber":"5352287","registrationNumberFormatted":"5352287","registrationStatus":"ISSUED","served":false,"successorLeis":[],"validationAuthorityEntityId":"0001579881","validationAuthorityId":"RA000665","validationAuthorityName":"EDGAR","validationSources":"FULLY_CORROBORATED"}