<SEC-DOCUMENT>0001193125-14-261233-index.html : 20140707
<SEC-HEADER>0001193125-14-261233.hdr.sgml : 20140707
<ACCEPTANCE-DATETIME>20140707061136
ACCESSION NUMBER:		0001193125-14-261233
CONFORMED SUBMISSION TYPE:	SC 13D/A
PUBLIC DOCUMENT COUNT:		2
FILED AS OF DATE:		20140707
DATE AS OF CHANGE:		20140707
GROUP MEMBERS:		FUMIN ZHUO
GROUP MEMBERS:		GGV III ENTREPRENEURS FUND L.P.
GROUP MEMBERS:		GLENN SOLOMON
GROUP MEMBERS:		GRANITE GLOBAL VENTURES III L.L.C.
GROUP MEMBERS:		HANY M. NADA
GROUP MEMBERS:		JENNY LEE
GROUP MEMBERS:		JESSIE JIN
GROUP MEMBERS:		JIXUN FOO
GROUP MEMBERS:		SCOTT B. BONHAM
GROUP MEMBERS:		THOMAS K. NG

SUBJECT COMPANY:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			21Vianet Group, Inc.
		CENTRAL INDEX KEY:			0001508475
		STANDARD INDUSTRIAL CLASSIFICATION:	SERVICES-COMPUTER PROGRAMMING, DATA PROCESSING, ETC. [7370]
		IRS NUMBER:				000000000

	FILING VALUES:
		FORM TYPE:		SC 13D/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	005-86326
		FILM NUMBER:		14962018

	BUSINESS ADDRESS:	
		STREET 1:		M5, 1JIUXIANQIAO EAST ROAD
		STREET 2:		Chaoyang District
		CITY:			Beijing
		STATE:			F4
		ZIP:			100016
		BUSINESS PHONE:		(86 10) 8456-2121

	MAIL ADDRESS:	
		STREET 1:		M5, 1JIUXIANQIAO EAST ROAD
		STREET 2:		Chaoyang District
		CITY:			Beijing
		STATE:			F4
		ZIP:			100016

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	21 Vianet Group, Inc.
		DATE OF NAME CHANGE:	20101221

FILED BY:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Granite Global Venture III L P
		CENTRAL INDEX KEY:			0001380311
		IRS NUMBER:				000000000

	FILING VALUES:
		FORM TYPE:		SC 13D/A

	BUSINESS ADDRESS:	
		STREET 1:		2494 SAND HILL RD SUITE 100
		CITY:			MENLO PARK
		STATE:			CA
		ZIP:			94025
		BUSINESS PHONE:		650-472-2150

	MAIL ADDRESS:	
		STREET 1:		2494 SAND HILL RD SUITE 100
		CITY:			MENLO PARK
		STATE:			CA
		ZIP:			94025
</SEC-HEADER>
<DOCUMENT>
<TYPE>SC 13D/A
<SEQUENCE>1
<FILENAME>d753459dsc13da.htm
<DESCRIPTION>SC 13D/A
<TEXT>
Document 1 - file: d753459dsc13da.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.1
<SEQUENCE>2
<FILENAME>d753459dex991.htm
<DESCRIPTION>EX-1
<TEXT>
Document 2 - file: d753459dex991.htm

</DOCUMENT>
</SEC-DOCUMENT>