ultracl13goct13.htm

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

SCHEDULE 13G

Under the Securities Exchange Act of 1934

(Amendment No. )*

ULTRA CLEAN HOLDINGS, INC.

(Name of Issuer)

COMMON STOCK, $0.001 PAR VALUE PER SHARE

(Title of Class of Securities)

90385V107

(CUSIP Number)

October 25, 2013

(Date of Event Which Requires Filing of this Statement)

Check the appropriate box to designate the rule pursuant to which this Schedule 13G is filed:

[ ] Rule 13d-1(b)

[X] Rule 13d-1(c)

[ ] Rule 13d-1(d)

*The remainder of this cover page shall be filled out for a reporting person’s initial filing on this form with respect to the subject class of securities, and for any subsequent amendment containing information which would alter the disclosures provided in a prior cover page.

The information required in the remainder of this cover page shall not be deemed to be “filed” for the purpose of Section 18 of the Securities Exchange Act of 1934 (“Act”) or otherwise subject to the liabilities of that section of the Act but shall be subject to all other provisions of the Act (however, see the Notes).

CUSIP NO. 90385V107


(1)	Names of Reporting Persons. I.R.S. Identification Nos. of Above Persons (entities only):

	Harvey Partners, LLC 20-3760303

(2)	Check the Appropriate Box if a Member of a Group (See Instructions)	(a)
		(b)

(3)	SEC Use Only

(4)	Citizenship or Place of Organization: Delaware, United States

Number of Shares Beneficially Owned by Each Reporting Person With	(5) Sole Voting Power:	1,446,000*
	(6) Shared Voting Power:	0*
	(7) Sole Dispositive Power:	1,446,000*
	(8) Shared Dispositive Power:	0*


(9)	Aggregate Amount Beneficially Owned by Each Reporting Person: 1,446,000*


(10)	Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions):


(11)	Percent of Class Represented by Amount in Row (9): 5.1%**


(12)	Type of Reporting Person (See Instructions): IA

*As of October 25, 2013, Harvey SMidCap Fund, LP, a Delaware limited partnership (“SMidCap Fund”), held 266,306 shares of common stock, par value $0.001 per share (the “Common Shares”) of Ultra Clean Holdings, Inc., a Delaware corporation (the “Company”). As of October 25, 2013, Harvey SMidCap Offshore Fund, Ltd., a Cayman Islands exempted company (“SMidCap Offshore Fund”), held 656,223 Common Shares. As of October 25, 2013, Harvey QP, LP, a Delaware limited partnership (“Harvey QP”), held 523,471 Common Shares. Harvey Partners, LLC, a Delaware limited liability company (“Harvey Partners”), is the investment manager of SMidCap Fund, SMidCap Offshore Fund and Harvey QP, and, as such, possesses sole power to vote and direct the disposition of all securities of the Company held by SMidCap Fund, SMidCap Offshore Fund and Harvey QP. James A. Schwartz and Jeffrey C. Moskowitz, the Managing Members of Harvey Partners, share voting and investment power with respect to all securities beneficially owned by Harvey Partners.

-2-

**Based upon information set forth in the Company’s most recent Quarterly Report on Form 10-Q, as filed with the Securities and Exchange Commission on August 2, 2013, there were 28,454,048 Common Shares outstanding as of July 26, 2013. As a result of the foregoing, for purposes of Reg. Section 240.13d-3, Harvey Partners is deemed to beneficially own 1,446,000 Common Shares, or 5.1% of the Common Shares deemed issued and outstanding as of October 25, 2013. Harvey Partners’ interest in the securities reported herein is limited to the extent of its pecuniary interest in SMidCap Fund, SMidCap Offshore Fund and Harvey QP, if any.

Item 1(a) Name Of Issuer: Ultra Clean Holdings, Inc.

Item 1(b) Address of Issuer’s Principal Executive Offices:

26462 Corporate Avenue

Hayward, California 94545

Item 2(a) Name of Person Filing:

Harvey Partners, LLC

Item 2(b) Address of Principal Business Office or, if None, Residence:

551 Fifth Avenue, 36th Floor

New York, NY 10176

Item 2(c) Citizenship:

Harvey Partners, LLC, a Delaware limited liability company.

Item 2(d) Title of Class of Securities: Common Stock, $0.001 par value per share.

Item 2(e) CUSIP No.: 90385V107

Item 3. If This Statement Is Filed Pursuant to §§240.13d-1(b) or 240.13d-2(b) or (c), check whether the Person Filing is a:

Not Applicable.

Item 4. Ownership

(a)	Amount Beneficially Owned:	1,446,000*

(b)	Percent of Class:	5.1%**

(c)	Number of shares as to which such person has:

(i)	sole power to vote or to direct the vote:	1,446,000*

(ii)	shared power to vote or to direct the vote:	0*

-3-

(iii)	sole power to dispose or to direct the disposition of:	1,446,000*

(iv)	shared power to dispose or to direct the disposition of:	0*

__________________________________________

Item 5. Ownership of Five Percent or Less of a Class

Not Applicable.

Item 6. Ownership of More Than Five Percent on Behalf of Another Person

Not Applicable.

Item 7. Identification and Classification of the Subsidiary Which Acquired the Security Being Reported on by the Parent Holding Company or Control

Person

Not Applicable.

Item 8. Identification and Classification of Members of the Group

Not Applicable.

Item 9. Notice of Dissolution of Group

Not Applicable.

-4-

Item 10. Certification

By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect.

SIGNATURE

After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.

	November 1, 2013


	HARVEY PARTNERS LLC

By:

/s/ Jeffrey C. Moskowitz

		Name: Jeffrey C. Moskowitz
		Title: Managing Member

Attention: Intentional misstatements or omissions of fact constitute

Federal criminal violations (See 18 U.S.C. 1001)

-5-