<SEC-DOCUMENT>0001140361-19-003221-index.html : 20190214
<SEC-HEADER>0001140361-19-003221.hdr.sgml : 20190214
<ACCEPTANCE-DATETIME>20190214162626
ACCESSION NUMBER:		0001140361-19-003221
CONFORMED SUBMISSION TYPE:	SC 13G
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20190214
DATE AS OF CHANGE:		20190214
GROUP MEMBERS:		INVESTEC ASSET MANAGEMENT NORTH AMERICA, INC

SUBJECT COMPANY:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Silicon Motion Technology CORP
		CENTRAL INDEX KEY:			0001329394
		STANDARD INDUSTRIAL CLASSIFICATION:	SEMICONDUCTORS & RELATED DEVICES [3674]
		IRS NUMBER:				000000000
		STATE OF INCORPORATION:			E9
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13G
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	005-82245
		FILM NUMBER:		19606903

	BUSINESS ADDRESS:	
		STREET 1:		8F-1,  NO. 36, TAIYUAN STREET
		STREET 2:		JHUBEI CITY
		CITY:			HSINCHU COUNTY
		STATE:			F5
		ZIP:			302
		BUSINESS PHONE:		886-3-552-6888

	MAIL ADDRESS:	
		STREET 1:		8F-1,  NO. 36, TAIYUAN STREET
		STREET 2:		JHUBEI CITY
		CITY:			HSINCHU COUNTY
		STATE:			F5
		ZIP:			302

FILED BY:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Investec Asset Management LTD
		CENTRAL INDEX KEY:			0001418329
		IRS NUMBER:				000000000
		STATE OF INCORPORATION:			X0
		FISCAL YEAR END:			0331

	FILING VALUES:
		FORM TYPE:		SC 13G

	BUSINESS ADDRESS:	
		STREET 1:		WOOLGATE EXCHANGE
		STREET 2:		25 BASINGHALL STREET
		CITY:			LONDON
		STATE:			X0
		ZIP:			EC2V 5HA
		BUSINESS PHONE:		020 7597 2000

	MAIL ADDRESS:	
		STREET 1:		WOOLGATE EXCHANGE
		STREET 2:		25 BASINGHALL STREET
		CITY:			LONDON
		STATE:			X0
		ZIP:			EC2V 5HA
</SEC-HEADER>
<DOCUMENT>
<TYPE>SC 13G
<SEQUENCE>1
<FILENAME>formsc13g.htm
<DESCRIPTION>SC 13G
<TEXT>
Document 1 - file: formsc13g.htm

</DOCUMENT>
</SEC-DOCUMENT>