UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

SCHEDULE 13G/A

Under the Securities Exchange Act of 1934

(Amendment No. 5)^*

Entegris, Inc.

(Name of Issuer)

Common Stock

(Title of Class of Securities)

29362U104

                                (CUSIP Number)                                

* 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. 29362U104 13G/A Page 2 of 5 Pages

1	NAME OF REPORTING PERSON S.S. or I.R.S. IDENTIFICATION NO. OF ABOVE PERSON             WCB Holdings LLC, a Minnesota Limited Liability Company
2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* (a)  ¨ (b)  ¨             Not Applicable.
3	SEC USE ONLY
4	CITIZENSHIP OR PLACE OF ORGANIZATION             WCB Holdings LLC is a limited liability company organized in the State of Minnesota.

NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH   5    SOLE VOTING POWER                 11,865,608   6    SHARED VOTING POWER                 0   7    SOLE DISPOSITIVE POWER                 11,865,608   8    SHARED DISPOSITIVE POWER                 0

9	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON             11,865,608
10	CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*
11	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9             8.7%
12	TYPE OF REPORTING PERSON*             OO

* SEE INSTRUCTION BEFORE FILLING OUT!

Page 2 of 5

Item 1.	(a)	Name of Issuer:
		Entegris, Inc.
	(b)	Address of Issuer’s Principal Executive Office:
		3500 Lyman Boulevard Chaska, MN 55318
Item 2.	(a)	Name of Person Filing:
		WCB Holdings LLC
	(b)	Address of Principal Business Office:
		c/o 901 Marquette Avenue 1400 AT&T Tower Minneapolis, MN 55402-2859
	(c)	Citizenship:
		Minnesota, U.S.A.
	(d)	Title of Class of Securities:
		Common Stock, $.01 par value
	(e)	CUSIP Number:
		29362U104
Item 3.	Not Applicable.

Page 3 of 5

Item 4.	Ownership
	(a)	Amount beneficially owned as of December 31, 2003:
		11,865,608
	(b)	Percent of Class:
		8.7%
	(c)	Number of Shares as to Which Such Person Has:
		(i)	sole power to vote or direct the vote:
			11,865,608
		(ii)	shared power to vote or direct the vote:
			Not applicable.
		(iii)	sole power to dispose or direct the disposition of:
			11,865,608
		(iv)	shared power to dispose or to direct the disposition of:
			Not applicable.
Item 5.	Not Applicable.
Item 6.	Not Applicable.
Item 7.	Not Applicable.
Item 8.	Not Applicable.
Item 9.	Not Applicable.
Item 10.	Not Applicable.

Page 4 of 5

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.

Dated: February 10, 2006

WCB Holdings LLC
By:	/s/ Anthony M. Marick
	Anthony M. Marick
	Chief Manager

Page 5 of 5