<SEC-DOCUMENT>0000906304-16-000454-index.html : 20160128
<SEC-HEADER>0000906304-16-000454.hdr.sgml : 20160128
<ACCEPTANCE-DATETIME>20160128162958
ACCESSION NUMBER:		0000906304-16-000454
CONFORMED SUBMISSION TYPE:	SC 13G/A
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20160128
DATE AS OF CHANGE:		20160128

SUBJECT COMPANY:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Ultra Clean Holdings, Inc.
		CENTRAL INDEX KEY:			0001275014
		STANDARD INDUSTRIAL CLASSIFICATION:	SEMICONDUCTORS & RELATED DEVICES [3674]
		IRS NUMBER:				611430858
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1228

	FILING VALUES:
		FORM TYPE:		SC 13G/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	005-79796
		FILM NUMBER:		161369261

	BUSINESS ADDRESS:	
		STREET 1:		26462 CORPORATE AVENUE
		CITY:			HAYWARD
		STATE:			CA
		ZIP:			94545
		BUSINESS PHONE:		(510) 576-4400

	MAIL ADDRESS:	
		STREET 1:		26462 CORPORATE AVENUE
		CITY:			HAYWARD
		STATE:			CA
		ZIP:			94545

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	ULTRA CLEAN HOLDINGS INC
		DATE OF NAME CHANGE:	20031231

FILED BY:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			ROYCE & ASSOCIATES LLC
		CENTRAL INDEX KEY:			0000906304
		IRS NUMBER:				522343049
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			0331

	FILING VALUES:
		FORM TYPE:		SC 13G/A

	BUSINESS ADDRESS:	
		STREET 1:		745 FIFTH AVENUE
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10151
		BUSINESS PHONE:		212-508-4500

	MAIL ADDRESS:	
		STREET 1:		745 FIFTH AVENUE
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10151

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	ROYCE & ASSOCIATES INC /NY
		DATE OF NAME CHANGE:	19990329

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	QUEST ADVISORY CORP/NY
		DATE OF NAME CHANGE:	19970805
</SEC-HEADER>
<DOCUMENT>
<TYPE>SC 13G/A
<SEQUENCE>1
<FILENAME>uctt5.txt
<TEXT>
Document 1 - file: uctt5.txt

</DOCUMENT>
</SEC-DOCUMENT>