<SEC-DOCUMENT>0001193125-18-034130-index.html : 20180207
<SEC-HEADER>0001193125-18-034130.hdr.sgml : 20180207
<ACCEPTANCE-DATETIME>20180207101802
ACCESSION NUMBER:		0001193125-18-034130
CONFORMED SUBMISSION TYPE:	SC 13G/A
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20180207
DATE AS OF CHANGE:		20180207

SUBJECT COMPANY:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			LSI INDUSTRIES INC
		CENTRAL INDEX KEY:			0000763532
		STANDARD INDUSTRIAL CLASSIFICATION:	ELECTRIC LIGHTING & WIRING EQUIPMENT [3640]
		IRS NUMBER:				310888951
		STATE OF INCORPORATION:			OH
		FISCAL YEAR END:			0630

	FILING VALUES:
		FORM TYPE:		SC 13G/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	005-36715
		FILM NUMBER:		18579620

	BUSINESS ADDRESS:	
		STREET 1:		10000 ALLIANCE RD
		STREET 2:		P O BOX 42728
		CITY:			CINCINNATI
		STATE:			OH
		ZIP:			45242
		BUSINESS PHONE:		5135796411

	MAIL ADDRESS:	
		STREET 1:		10000 ALLIANCE RD
		STREET 2:		P O BOX 42728
		CITY:			CINCINNATI
		STATE:			OH
		ZIP:			45242

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	LSI LIGHTING SYSTEMS INC
		DATE OF NAME CHANGE:	19891121

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>d508074dsc13ga.htm
<DESCRIPTION>SC 13G/A
<TEXT>
Document 1 - file: d508074dsc13ga.htm

</DOCUMENT>
</SEC-DOCUMENT>