<SEC-DOCUMENT>0000936753-18-000078-index.html : 20180213
<SEC-HEADER>0000936753-18-000078.hdr.sgml : 20180213
<ACCEPTANCE-DATETIME>20180213105841
ACCESSION NUMBER:		0000936753-18-000078
CONFORMED SUBMISSION TYPE:	SC 13G
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20180213
DATE AS OF CHANGE:		20180213

SUBJECT COMPANY:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			EMCORE CORP
		CENTRAL INDEX KEY:			0000808326
		STANDARD INDUSTRIAL CLASSIFICATION:	SEMICONDUCTORS & RELATED DEVICES [3674]
		IRS NUMBER:				222746503
		STATE OF INCORPORATION:			NJ
		FISCAL YEAR END:			0930

	FILING VALUES:
		FORM TYPE:		SC 13G
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	005-50693
		FILM NUMBER:		18600658

	BUSINESS ADDRESS:	
		STREET 1:		2015 W. CHESTNUT STREET
		CITY:			ALHAMBRA
		STATE:			CA
		ZIP:			91803
		BUSINESS PHONE:		626-293-3400

	MAIL ADDRESS:	
		STREET 1:		2015 W. CHESTNUT STREET
		CITY:			ALHAMBRA
		STATE:			CA
		ZIP:			91803

FILED BY:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			ARIEL INVESTMENTS, LLC
		CENTRAL INDEX KEY:			0000936753
		IRS NUMBER:				020712418
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13G

	BUSINESS ADDRESS:	
		STREET 1:		200 EAST RANDOLPH STREET
		STREET 2:		SUITE 2900
		CITY:			CHICAGO
		STATE:			IL
		ZIP:			60601
		BUSINESS PHONE:		(312) 726-0140

	MAIL ADDRESS:	
		STREET 1:		200 EAST RANDOLPH STREET
		STREET 2:		SUITE 2900
		CITY:			CHICAGO
		STATE:			IL
		ZIP:			60601

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	ARIEL CAPITAL MANAGEMENT LLC
		DATE OF NAME CHANGE:	20040218

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	ARIEL CAPITAL MANAGEMENT INC
		DATE OF NAME CHANGE:	19950202
</SEC-HEADER>
<DOCUMENT>
<TYPE>SC 13G
<SEQUENCE>1
<FILENAME>emkr.txt
<DESCRIPTION>EMCORE DEC17
<TEXT>
Document 1 - file: emkr.txt

</DOCUMENT>
</SEC-DOCUMENT>