<SEC-DOCUMENT>0001193125-19-302629-index.html : 20191127
<SEC-HEADER>0001193125-19-302629.hdr.sgml : 20191127
<ACCEPTANCE-DATETIME>20191127163357
ACCESSION NUMBER:		0001193125-19-302629
CONFORMED SUBMISSION TYPE:	SC 13D/A
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20191127
DATE AS OF CHANGE:		20191127
GROUP MEMBERS:		BLACKSTONE GROUP INC. (F/K/A THE BLACKSTONE GROUP L.P.)
GROUP MEMBERS:		BLACKSTONE GROUP MANAGEMENT L.L.C.
GROUP MEMBERS:		BLACKSTONE HOLDINGS III GP L.P.
GROUP MEMBERS:		BLACKSTONE HOLDINGS III GP MANAGEMENT L.L.C.
GROUP MEMBERS:		BLACKSTONE TREASURY HOLDINGS III L.L.C.
GROUP MEMBERS:		STEPHEN A. SCHWARZMAN

SUBJECT COMPANY:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			BLACKSTONE MORTGAGE TRUST, INC.
		CENTRAL INDEX KEY:			0001061630
		STANDARD INDUSTRIAL CLASSIFICATION:	REAL ESTATE INVESTMENT TRUSTS [6798]
		IRS NUMBER:				946181186
		STATE OF INCORPORATION:			MD
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13D/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	005-56371
		FILM NUMBER:		191258379

	BUSINESS ADDRESS:	
		STREET 1:		345 PARK AVENUE
		STREET 2:		42ND FLOOR
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10154
		BUSINESS PHONE:		2126550220

	MAIL ADDRESS:	
		STREET 1:		345 PARK AVENUE
		STREET 2:		42ND FLOOR
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10154

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	CAPITAL TRUST INC
		DATE OF NAME CHANGE:	19980512

FILED BY:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Blackstone Holdings III L.P.
		CENTRAL INDEX KEY:			0001404073
		IRS NUMBER:				260288853
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13D/A

	BUSINESS ADDRESS:	
		STREET 1:		345 PARK AVENUE
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10154
		BUSINESS PHONE:		(212) 583-5000

	MAIL ADDRESS:	
		STREET 1:		345 PARK AVENUE
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10154
</SEC-HEADER>
<DOCUMENT>
<TYPE>SC 13D/A
<SEQUENCE>1
<FILENAME>d740637dsc13da.htm
<DESCRIPTION>SC 13D/A
<TEXT>
Document 1 - file: d740637dsc13da.htm

</DOCUMENT>
</SEC-DOCUMENT>