<SEC-DOCUMENT>0000899243-16-020222-index.html : 20160517
<SEC-HEADER>0000899243-16-020222.hdr.sgml : 20160517
<ACCEPTANCE-DATETIME>20160517165948
ACCESSION NUMBER:		0000899243-16-020222
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20160513
FILED AS OF DATE:		20160517
DATE AS OF CHANGE:		20160517

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			CoreSite Realty Corp
		CENTRAL INDEX KEY:			0001490892
		STANDARD INDUSTRIAL CLASSIFICATION:	REAL ESTATE INVESTMENT TRUSTS [6798]
		IRS NUMBER:				000000000
		STATE OF INCORPORATION:			MD
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		1001 17TH STREET
		STREET 2:		SUITE 500
		CITY:			DENVER
		STATE:			CO
		ZIP:			80202
		BUSINESS PHONE:		(866) 777-2673

	MAIL ADDRESS:	
		STREET 1:		1001 17TH STREET
		STREET 2:		SUITE 500
		CITY:			DENVER
		STATE:			CO
		ZIP:			80202

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			TC Group, LLC
		CENTRAL INDEX KEY:			0000933790
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-34877
		FILM NUMBER:		161658261

	BUSINESS ADDRESS:	
		STREET 1:		C/O THE CARLYLE GROUP
		STREET 2:		1001 PENNSYLVANIA AVENUE NW SUITE 220 S
		CITY:			WASHINGTON
		STATE:			DC
		ZIP:			20004
		BUSINESS PHONE:		202-729-5438

	MAIL ADDRESS:	
		STREET 1:		C/O CARLYLE GROUP
		STREET 2:		1001 PENNSYLVANIA AVENUE NW SUITE 220 S
		CITY:			WASHINGTON
		STATE:			DC
		ZIP:			20004

	FORMER NAME:	
		FORMER CONFORMED NAME:	TC GROUP LLC
		DATE OF NAME CHANGE:	19961007

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Carlyle Holdings I L.P.
		CENTRAL INDEX KEY:			0001548628
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1212

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-34877
		FILM NUMBER:		161658262

	BUSINESS ADDRESS:	
		STREET 1:		C/O THE CARLYLE GROUP L.P.
		STREET 2:		1001 PENNSYLVANIA AVENUE, NW
		CITY:			WASHINGTON
		STATE:			DC
		ZIP:			20004-2505
		BUSINESS PHONE:		202-729-5626

	MAIL ADDRESS:	
		STREET 1:		C/O THE CARLYLE GROUP L.P.
		STREET 2:		1001 PENNSYLVANIA AVENUE, NW
		CITY:			WASHINGTON
		STATE:			DC
		ZIP:			20004-2505

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Carlyle Holdings I GP Inc.
		CENTRAL INDEX KEY:			0001548626
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1212

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-34877
		FILM NUMBER:		161658264

	BUSINESS ADDRESS:	
		STREET 1:		C/O THE CARLYLE GROUP L.P.
		STREET 2:		1001 PENNSYLVANIA AVENUE, NW
		CITY:			WASHINGTON
		STATE:			DC
		ZIP:			20004-2505
		BUSINESS PHONE:		202-729-5626

	MAIL ADDRESS:	
		STREET 1:		C/O THE CARLYLE GROUP L.P.
		STREET 2:		1001 PENNSYLVANIA AVENUE, NW
		CITY:			WASHINGTON
		STATE:			DC
		ZIP:			20004-2505

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Carlyle Group Management L.L.C.
		CENTRAL INDEX KEY:			0001548624
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1212

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-34877
		FILM NUMBER:		161658266

	BUSINESS ADDRESS:	
		STREET 1:		C/O THE CARLYLE GROUP L.P.
		STREET 2:		1001 PENNSYLVANIA AVENUE, NW
		CITY:			WASHINGTON
		STATE:			DC
		ZIP:			20004-2505
		BUSINESS PHONE:		202-729-5626

	MAIL ADDRESS:	
		STREET 1:		C/O THE CARLYLE GROUP L.P.
		STREET 2:		1001 PENNSYLVANIA AVENUE, NW
		CITY:			WASHINGTON
		STATE:			DC
		ZIP:			20004-2505

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Carlyle Holdings I GP Sub L.L.C.
		CENTRAL INDEX KEY:			0001548627
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1212

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-34877
		FILM NUMBER:		161658263

	BUSINESS ADDRESS:	
		STREET 1:		C/O THE CARLYLE GROUP L.P.
		STREET 2:		1001 PENNSYLVANIA AVENUE, NW
		CITY:			WASHINGTON
		STATE:			DC
		ZIP:			20004-2505
		BUSINESS PHONE:		202-729-5626

	MAIL ADDRESS:	
		STREET 1:		C/O THE CARLYLE GROUP L.P.
		STREET 2:		1001 PENNSYLVANIA AVENUE, NW
		CITY:			WASHINGTON
		STATE:			DC
		ZIP:			20004-2505

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			TC Group Sub L.P.
		CENTRAL INDEX KEY:			0001548639
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1212

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-34877
		FILM NUMBER:		161658260

	BUSINESS ADDRESS:	
		STREET 1:		C/O THE CARLYLE GROUP L.P.
		STREET 2:		1001 PENNSYLVANIA AVENUE, NW
		CITY:			WASHINGTON
		STATE:			DC
		ZIP:			20004-2505
		BUSINESS PHONE:		202-729-5626

	MAIL ADDRESS:	
		STREET 1:		C/O THE CARLYLE GROUP L.P.
		STREET 2:		1001 PENNSYLVANIA AVENUE, NW
		CITY:			WASHINGTON
		STATE:			DC
		ZIP:			20004-2505

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Carlyle Group L.P.
		CENTRAL INDEX KEY:			0001527166
		STANDARD INDUSTRIAL CLASSIFICATION:	INVESTMENT ADVICE [6282]
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-34877
		FILM NUMBER:		161658265

	BUSINESS ADDRESS:	
		STREET 1:		C/O THE CARLYLE GROUP
		STREET 2:		1001 PENNSYLVANIA AVENUE, N.W.
		CITY:			WASHINGTON
		STATE:			DC
		ZIP:			20004
		BUSINESS PHONE:		202 729 5626

	MAIL ADDRESS:	
		STREET 1:		C/O THE CARLYLE GROUP
		STREET 2:		1001 PENNSYLVANIA AVENUE, N.W.
		CITY:			WASHINGTON
		STATE:			DC
		ZIP:			20004
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>doc4.xml
<DESCRIPTION>FORM 4 SUBMISSION
<TEXT>
Document 1 - file: doc4.html

Document 1 - RAW XML: doc4.xml

</DOCUMENT>
</SEC-DOCUMENT>