<SEC-DOCUMENT>0001193125-15-411173-index.html : 20151223 <SEC-HEADER>0001193125-15-411173.hdr.sgml : 20151223 <ACCEPTANCE-DATETIME>20151222180435 ACCESSION NUMBER: 0001193125-15-411173 CONFORMED SUBMISSION TYPE: N-CSR PUBLIC DOCUMENT COUNT: 14 CONFORMED PERIOD OF REPORT: 20151031 FILED AS OF DATE: 20151223 DATE AS OF CHANGE: 20151222 EFFECTIVENESS DATE: 20151223 FILER: COMPANY DATA: COMPANY CONFORMED NAME: CALAMOS GLOBAL TOTAL RETURN FUND CENTRAL INDEX KEY: 0001285650 IRS NUMBER: 203377281 FISCAL YEAR END: 1031 FILING VALUES: FORM TYPE: N-CSR SEC ACT: 1940 Act SEC FILE NUMBER: 811-21547 FILM NUMBER: 151303847 BUSINESS ADDRESS: STREET 1: 2020 CALAMOS COURT STREET 2: C/O CALAMOS ADVISORS LLC CITY: NAPERVILLE STATE: IL ZIP: 60563 BUSINESS PHONE: 6302451046 MAIL ADDRESS: STREET 1: 2020 CALAMOS COURT STREET 2: C/O CALAMOS ADVISORS LLC CITY: NAPERVILLE STATE: IL ZIP: 60563 </SEC-HEADER> <DOCUMENT> <TYPE>N-CSR <SEQUENCE>1 <FILENAME>d31414dncsr.htm <DESCRIPTION>N-CSR <TEXT> Document 1 - file: d31414dncsr.htm
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