<SEC-DOCUMENT>0001193125-17-038442-index.html : 20170210
<SEC-HEADER>0001193125-17-038442.hdr.sgml : 20170210
<ACCEPTANCE-DATETIME>20170210163556
ACCESSION NUMBER:		0001193125-17-038442
CONFORMED SUBMISSION TYPE:	SC 13G/A
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20170210
DATE AS OF CHANGE:		20170210

SUBJECT COMPANY:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			INVESTMENT TECHNOLOGY GROUP, INC.
		CENTRAL INDEX KEY:			0000920424
		STANDARD INDUSTRIAL CLASSIFICATION:	SECURITY BROKERS, DEALERS & FLOTATION COMPANIES [6211]
		IRS NUMBER:				952848406
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13G/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	005-45125
		FILM NUMBER:		17593971

	BUSINESS ADDRESS:	
		STREET 1:		ONE LIBERTY PLAZA
		STREET 2:		165 BROADWAY
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10006
		BUSINESS PHONE:		(212) 588-4000

	MAIL ADDRESS:	
		STREET 1:		ONE LIBERTY PLAZA
		STREET 2:		165 BROADWAY
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10006

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	INVESTMENT TECHNOLOGY GROUP INC
		DATE OF NAME CHANGE:	19940316

FILED BY:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			FRONTIER CAPITAL MANAGEMENT CO LLC
		CENTRAL INDEX KEY:			0001216488
		IRS NUMBER:				043492668
		STATE OF INCORPORATION:			DE

	FILING VALUES:
		FORM TYPE:		SC 13G/A

	BUSINESS ADDRESS:	
		STREET 1:		99 SUMMER STREET
		CITY:			BOSTON
		STATE:			MA
		ZIP:			02110
</SEC-HEADER>
<DOCUMENT>
<TYPE>SC 13G/A
<SEQUENCE>1
<FILENAME>d337372dsc13ga.htm
<DESCRIPTION>SC 13G/A
<TEXT>
Document 1 - file: d337372dsc13ga.htm

</DOCUMENT>
</SEC-DOCUMENT>