<SEC-DOCUMENT>0001564590-21-017171-index.html : 20210401
<SEC-HEADER>0001564590-21-017171.hdr.sgml : 20210401
<ACCEPTANCE-DATETIME>20210401060217
ACCESSION NUMBER:		0001564590-21-017171
CONFORMED SUBMISSION TYPE:	DEFA14A
PUBLIC DOCUMENT COUNT:		3
FILED AS OF DATE:		20210401
DATE AS OF CHANGE:		20210401

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			CAPSTEAD MORTGAGE CORP
		CENTRAL INDEX KEY:			0000766701
		STANDARD INDUSTRIAL CLASSIFICATION:	REAL ESTATE INVESTMENT TRUSTS [6798]
		IRS NUMBER:				752027937
		STATE OF INCORPORATION:			MD
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		DEFA14A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-08896
		FILM NUMBER:		21795885

	BUSINESS ADDRESS:	
		STREET 1:		8401 NORTH CENTRAL EXPRESSWAY
		STREET 2:		STE 800
		CITY:			DALLAS
		STATE:			TX
		ZIP:			75225
		BUSINESS PHONE:		2148742323

	MAIL ADDRESS:	
		STREET 1:		8401 NORTH CENTRAL EXPRESSWAY
		STREET 2:		STE 800
		CITY:			DALLAS
		STATE:			TX
		ZIP:			75225

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	LOMAS MORTGAGE CORP
		DATE OF NAME CHANGE:	19891105
</SEC-HEADER>
<DOCUMENT>
<TYPE>DEFA14A
<SEQUENCE>1
<FILENAME>cmo-defa14a_20210528.htm
<DESCRIPTION>DEFA14A
<TEXT>
Document 1 - file: cmo-defa14a_20210528.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>2
<FILENAME>g32s0dbj23yq000002.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 2 - file: g32s0dbj23yq000002.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>3
<FILENAME>g32s0dbj23yq000001.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 3 - file: g32s0dbj23yq000001.jpg

</DOCUMENT>
</SEC-DOCUMENT>