<SEC-DOCUMENT>0001193125-18-044559-index.html : 20180214
<SEC-HEADER>0001193125-18-044559.hdr.sgml : 20180214
<ACCEPTANCE-DATETIME>20180214101803
ACCESSION NUMBER:		0001193125-18-044559
CONFORMED SUBMISSION TYPE:	SC 13G
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20180214
DATE AS OF CHANGE:		20180214

SUBJECT COMPANY:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			CALAMOS STRATEGIC TOTAL RETURN FUND
		CENTRAL INDEX KEY:			0001275214
		IRS NUMBER:				043785941
		FISCAL YEAR END:			1031

	FILING VALUES:
		FORM TYPE:		SC 13G
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	005-84333
		FILM NUMBER:		18608349

	BUSINESS ADDRESS:	
		STREET 1:		2020 CALAMOS COURT
		STREET 2:		C/O CALAMOS ADVISORS LLC
		CITY:			NAPERVILLE
		STATE:			IL
		ZIP:			60653
		BUSINESS PHONE:		6302451046

	MAIL ADDRESS:	
		STREET 1:		2020 CALAMOS COURT
		STREET 2:		C/O CALAMOS ADVISORS LLC
		CITY:			NAPERVILLE
		STATE:			IL
		ZIP:			60653

FILED BY:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			GUARDIAN LIFE INSURANCE CO OF AMERICA
		CENTRAL INDEX KEY:			0000901849
		IRS NUMBER:				061116976
		STATE OF INCORPORATION:			NY
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13G

	BUSINESS ADDRESS:	
		STREET 1:		7 HANOVER SQUARE
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10004
		BUSINESS PHONE:		212-598-8359

	MAIL ADDRESS:	
		STREET 1:		7 HANOVER SQUARE
		CITY:			NY
		STATE:			NY
		ZIP:			10004
</SEC-HEADER>
<DOCUMENT>
<TYPE>SC 13G
<SEQUENCE>1
<FILENAME>d534217dsc13g.htm
<DESCRIPTION>SC 13G
<TEXT>
Document 1 - file: d534217dsc13g.htm

</DOCUMENT>
</SEC-DOCUMENT>