<SEC-DOCUMENT>0000950103-15-004339-index.html : 20150601
<SEC-HEADER>0000950103-15-004339.hdr.sgml : 20150601
<ACCEPTANCE-DATETIME>20150601162507
ACCESSION NUMBER:		0000950103-15-004339
CONFORMED SUBMISSION TYPE:	SD
PUBLIC DOCUMENT COUNT:		2
<RULE>
<RULE-NAME>13p-1
<ITEM>
<ITEM-NUMBER>1.01
<ITEM-PERIOD>20141231
</ITEM>
<ITEM>
<ITEM-NUMBER>1.02
<ITEM-PERIOD>20141231
</ITEM>
</RULE>
FILED AS OF DATE:		20150601
DATE AS OF CHANGE:		20150601

FILER:

	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:		SD
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-50646
		FILM NUMBER:		15903688

	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
</SEC-HEADER>
<DOCUMENT>
<TYPE>SD
<SEQUENCE>1
<FILENAME>dp56583_sd.htm
<DESCRIPTION>FORM SD
<TEXT>
Document 1 - file: dp56583_sd.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-1.01
<SEQUENCE>2
<FILENAME>dp56583_ex0101.htm
<DESCRIPTION>EXHIBIT 1.01
<TEXT>
Document 2 - file: dp56583_ex0101.htm

</DOCUMENT>
</SEC-DOCUMENT>