<SEC-DOCUMENT>0001193125-17-038367-index.html : 20170210
<SEC-HEADER>0001193125-17-038367.hdr.sgml : 20170210
<ACCEPTANCE-DATETIME>20170210162502
ACCESSION NUMBER:		0001193125-17-038367
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:			NAVIGATORS GROUP INC
		CENTRAL INDEX KEY:			0000793547
		STANDARD INDUSTRIAL CLASSIFICATION:	FIRE, MARINE & CASUALTY INSURANCE [6331]
		IRS NUMBER:				133138397
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13G/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	005-37710
		FILM NUMBER:		17593685

	BUSINESS ADDRESS:	
		STREET 1:		400 ATLANTIC STREET
		STREET 2:		8TH FLOOR
		CITY:			STAMFORD
		STATE:			CT
		ZIP:			06901
		BUSINESS PHONE:		203-905-6090

	MAIL ADDRESS:	
		STREET 1:		400 ATLANTIC STREET
		STREET 2:		8TH FLOOR
		CITY:			STAMFORD
		STATE:			CT
		ZIP:			06901

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>d335758dsc13ga.htm
<DESCRIPTION>SC 13G/A
<TEXT>
Document 1 - file: d335758dsc13ga.htm

</DOCUMENT>
</SEC-DOCUMENT>