<SEC-DOCUMENT>0001104659-21-131011-index.html : 20211028
<SEC-HEADER>0001104659-21-131011.hdr.sgml : 20211028
<ACCEPTANCE-DATETIME>20211028160026
ACCESSION NUMBER:		0001104659-21-131011
CONFORMED SUBMISSION TYPE:	15-12B
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20211028
DATE AS OF CHANGE:		20211028
EFFECTIVENESS DATE:		20211028

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:		15-12B
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-08896
		FILM NUMBER:		211358137

	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>15-12B
<SEQUENCE>1
<FILENAME>tm2131229d1_1512b.htm
<DESCRIPTION>15-12B
<TEXT>
Document 1 - file: tm2131229d1_1512b.htm

</DOCUMENT>
</SEC-DOCUMENT>