    <SEC-DOCUMENT>0001140361-26-016815-index.html : 20260427
    <SEC-HEADER>0001140361-26-016815.hdr.sgml : 20260427
    <ACCEPTANCE-DATETIME>20260427060647
    ACCESSION NUMBER:		0001140361-26-016815
    CONFORMED SUBMISSION TYPE:	ARS
    PUBLIC DOCUMENT COUNT:		1
    CONFORMED PERIOD OF REPORT:	20251226
    FILED AS OF DATE:		20260427
    DATE AS OF CHANGE:		20260427
    EFFECTIVENESS DATE:		20260427

    FILER:

    	COMPANY DATA:
    		COMPANY CONFORMED NAME:			Ultra Clean Holdings, Inc.
    		CENTRAL INDEX KEY:			0001275014
    		STANDARD INDUSTRIAL CLASSIFICATION:	SEMICONDUCTORS & RELATED DEVICES [3674]
    		ORGANIZATION NAME:           	04 Manufacturing
    		EIN:				611430858
    		STATE OF INCORPORATION:			DE
    		FISCAL YEAR END:			1230

    	FILING VALUES:
    		FORM TYPE:		ARS
    		SEC ACT:		1934 Act
    		SEC FILE NUMBER:	000-50646
    		FILM NUMBER:		26896386

    	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>ARS
    <SEQUENCE>1
    <FILENAME>ny20064711x2_ars.pdf
    <DESCRIPTION>ARS
    <TEXT>
    Document 1 - file: ny20064711x2_ars.pdf

    </DOCUMENT>
    </SEC-DOCUMENT>