<SEC-DOCUMENT>0001225208-17-015054-index.html : 20170915
<SEC-HEADER>0001225208-17-015054.hdr.sgml : 20170915
<ACCEPTANCE-DATETIME>20170915153646
ACCESSION NUMBER:		0001225208-17-015054
CONFORMED SUBMISSION TYPE:	3
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20170906
FILED AS OF DATE:		20170915
DATE AS OF CHANGE:		20170915

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			MASSACHUSETTS MUTUAL LIFE INSURANCE CO
		CENTRAL INDEX KEY:			0000225602
		STATE OF INCORPORATION:			MA
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		3
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	811-21547
		FILM NUMBER:		171087914

	BUSINESS ADDRESS:	
		STREET 1:		1295 STATE STREET
		CITY:			SPRINGFIELD
		STATE:			MA
		ZIP:			01111
		BUSINESS PHONE:		4137448411

	MAIL ADDRESS:	
		STREET 1:		1295 STATE STREET
		CITY:			SPRINGFIELD
		STATE:			MA
		ZIP:			01111

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			CALAMOS GLOBAL TOTAL RETURN FUND
		CENTRAL INDEX KEY:			0001285650
		IRS NUMBER:				203377281
		FISCAL YEAR END:			1031

	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>3
<SEQUENCE>1
<FILENAME>doc3.xml
<TEXT>
Document 1 - file: doc3.html

Document 1 - RAW XML: doc3.xml

</DOCUMENT>
</SEC-DOCUMENT>