<SEC-DOCUMENT>0001104659-18-072053-index.html : 20181210
<SEC-HEADER>0001104659-18-072053.hdr.sgml : 20181210
<ACCEPTANCE-DATETIME>20181210134314
ACCESSION NUMBER:		0001104659-18-072053
CONFORMED SUBMISSION TYPE:	SC 13G
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20181210
DATE AS OF CHANGE:		20181210

SUBJECT COMPANY:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			QUANTUM CORP /DE/
		CENTRAL INDEX KEY:			0000709283
		STANDARD INDUSTRIAL CLASSIFICATION:	COMPUTER STORAGE DEVICES [3572]
		IRS NUMBER:				942665054
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			0331

	FILING VALUES:
		FORM TYPE:		SC 13G
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	005-35818
		FILM NUMBER:		181225745

	BUSINESS ADDRESS:	
		STREET 1:		224 AIRPORT PARKWAY
		STREET 2:		SUITE 550
		CITY:			SAN JOSE
		STATE:			CA
		ZIP:			95110
		BUSINESS PHONE:		408 944 4000

	MAIL ADDRESS:	
		STREET 1:		224 AIRPORT PARKWAY
		STREET 2:		SUITE 550
		CITY:			SAN JOSE
		STATE:			CA
		ZIP:			95110

FILED BY:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			TCW GROUP INC
		CENTRAL INDEX KEY:			0000850401
		STANDARD INDUSTRIAL CLASSIFICATION:	REAL ESTATE INVESTMENT TRUSTS [6798]
		IRS NUMBER:				000000000
		STATE OF INCORPORATION:			NV
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13G

	BUSINESS ADDRESS:	
		STREET 1:		865 SOUTH FIGUEROA STREET
		STREET 2:		SUITE 1800
		CITY:			LOS ANGELES
		STATE:			CA
		ZIP:			90017
		BUSINESS PHONE:		213-244-0000

	MAIL ADDRESS:	
		STREET 1:		865 SOUTH FIGUEROA STREET
		STREET 2:		SUITE 1800
		CITY:			LOS ANGELES
		STATE:			CA
		ZIP:			90017
</SEC-HEADER>
<DOCUMENT>
<TYPE>SC 13G
<SEQUENCE>1
<FILENAME>a18-41245_1sc13g.htm
<DESCRIPTION>SC 13G
<TEXT>
Document 1 - file: a18-41245_1sc13g.htm

</DOCUMENT>
</SEC-DOCUMENT>