Prepared by MERRILL CORPORATION

-----BEGIN PRIVACY-ENHANCED MESSAGE----- Proc-Type: 2001,MIC-CLEAR Originator-Name: webmaster@www.sec.gov Originator-Key-Asymmetric: MFgwCgYEVQgBAQICAf8DSgAwRwJAW2sNKK9AVtBzYZmr6aGjlWyK3XmZv3dTINen TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB MIC-Info: RSA-MD5,RSA, P27Zrxg6csJJgy1uC1Z78bzoXE8iDwZHc6yTSvqgHr0lXV8sJ6dGReepxGy5uW+u u7I9LusN1whHS6FV0vxrDg== 0000912057-01-532108.txt : 20010914 0000912057-01-532108.hdr.sgml : 20010914 ACCESSION NUMBER: 0000912057-01-532108 CONFORMED SUBMISSION TYPE: SC 13G/A PUBLIC DOCUMENT COUNT: 1 FILED AS OF DATE: 20010913 SUBJECT COMPANY: COMPANY DATA: COMPANY CONFORMED NAME: MILLIPORE CORP /MA CENTRAL INDEX KEY: 0000066479 STANDARD INDUSTRIAL CLASSIFICATION: LABORATORY ANALYTICAL INSTRUMENTS [3826] IRS NUMBER: 042170233 STATE OF INCORPORATION: MA FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: SC 13G/A SEC ACT: 1934 Act SEC FILE NUMBER: 005-10772 FILM NUMBER: 1736297 BUSINESS ADDRESS: STREET 1: 80 ASHBY RD CITY: BEDFORD STATE: MA ZIP: 01730 BUSINESS PHONE: 7815336000 MAIL ADDRESS: STREET 1: 80 ASHBY ROAD CITY: BEDFORD STATE: MA ZIP: 01730 FORMER COMPANY: FORMER CONFORMED NAME: MILLIPORE CORP DATE OF NAME CHANGE: 19920703 FORMER COMPANY: FORMER CONFORMED NAME: MILLIPORE FILTER CORP DATE OF NAME CHANGE: 19661116 FILED BY: COMPANY DATA: COMPANY CONFORMED NAME: PRIMECAP MANAGEMENT CO/CA/ CENTRAL INDEX KEY: 0000763212 STANDARD INDUSTRIAL CLASSIFICATION: [] IRS NUMBER: 953868081 FILING VALUES: FORM TYPE: SC 13G/A BUSINESS ADDRESS: STREET 1: 225 SOUTH LAKE AVE STE 400 CITY: PASADENA STATE: CA ZIP: 91101-3005 BUSINESS PHONE: 8183049222 MAIL ADDRESS: STREET 1: 225 SOUTH LAKE AVE SUITE 400 CITY: PASADENA STATE: CA ZIP: 91101 SC 13G/A 1 a2059175zsc13ga.htm SC 13G/A Prepared by MERRILL CORPORATION
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UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

SCHEDULE 13G

Under the Securities Exchange Act of 1934

(Amendment No. 7)*

Millipore Corporation

(Name of Issuer)
Common

(Title of Class of Securities)
		601073109

(CUSIP Number)

Check the following box if a fee is being paid with this statement / /. (A fee is not required only if the filing person: (1) has a previous statement on file reporting beneficial ownership of more than five percent of the class of securities described in Item 1; and (2) has filed no amendment subsequent thereto reporting beneficial ownership of five percent or less of such class.) (See Rule 13d-7.)

*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).

Page 1 of 5 Pages

13G

CUSIP No. 601073109



(1)	NAMES OF REPORTING PERSONS. S.S. or I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS
	PRIMECAP Management Company 95-3868081

(2)	CHECK THE APPROPRIATE BOX IF A MEMBER	(a)	/ /
	OF A GROUP*	(b)	/ /


(3)	SEC Use Only


(4)	CITIZENSHIP OR PLACE OF ORGANIZATION
	225 South Lake Avenue #400, Pasadena, CA 91101-3005

NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH:		(5)	SOLE VOTING POWER
			1,303,645

		(6)	SHARED VOTING POWER
			- -0-

		(7)	SOLE DISPOSITIVE POWEr
			6,128,645

		(8)	SHARED DISPOSITIVE POWER
			- -0-

(9)	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
	6,128,645

(10)	CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES* / /


(11)	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9
	12.87%

(12)	TYPE OF REPORTING PERSON*
	IA

*SEE INSTRUCTION BEFORE FILING OUT!

Page 2 of 5 Pages

ITEM 1.

(A)		NAME OF ISSUER


(B)		ADDRESS OF ISSUER'S PRINCIPAL EXECUTIVE OFFICES

ITEM 2.

(A)		NAME OF PERSON FILING


(B)		ADDRESS OF PRINCIPAL BUSINESS OFFICE OR, IF NONE, RESIDENCE


(C)		CITIZENSHIP


(D)		TITLE OF CLASS OF SECURITIES


(E)		CUSIP NUMBER

ITEM 3.

IF THIS STATEMENT IS FILED PURSUANT TO RULES 13D-1(B), OR 13D-2(B), CHECK WHETHER THE PERSON FILING IS A:

(a)	/ /	Broker or dealer registered under Section 15 of the Act.
(b)	/ /	Bank as defined in section 3(a)(6) of the Act.
(c)	/ /	Insurance company as defined in section 3(a)(19) of the Act.
(d)	/ /	Investment company registered under section 8 of the Investment Company Act.
(e)	/ /	Investment adviser in registered under section 203 of the Investment Advisers Act of 1940.
(f)	/ /	Employee benefit plan, Pension Fund which is subject to the provisions of the Employee Reitrement Income Security Act of 1974 or Endowment Fund; see Rule 13d-1(b)(1)(ii)(F).
(g)	/ /	Parent Holding Company, in accordance with Rule 13d-1(b)(ii)(G) (Note: See Item 7).
(h)	/ /	Group, in accordance with Rule 13d-1(b)(1)(ii)(H).

Page 3 of 5 Pages

ITEM 4. OWNERSHIP

Provide the following information regarding the aggregate number and percentage of the class of securities of the issuer identified in Item 1.

(a)	Amount beneficially owned:


(b)	Percent of class:



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

	(i)	Sole power to vote or to direct the vote


	(ii)	Shared power to vote or to direct the vote



	(iii)	Sole power to dispose or to direct the disposition of


	(iv)	Shared power to dispose or to direct the disposition of

INSTRUCTION: For computations regarding securities which represent a right to acquire an underlying security see Rule 13d-3(d)(1).

ITEM 5. OWNERSHIP OF FIVE PERCENT OR LESS OF A CLASS

If this statement is being filed to report the fact that as of the date hereof the reporting person has ceased to be the beneficial owner of more than five percent of the class of securities, check the following. / /

INSTRUCTION: Dissolution of a group requires a response to this item.

ITEM 6. OWNERSHIP OF MORE THAN FIVE PERCENT ON BEHALF OF ANOTHER PERSON

If any other person is known to have the right to receive or the power to direct the receipt of dividends from, or the proceeds from the sale of, such securities, a statement to that effect should be included in response to this item and, if such interest relates to more than five percent of the class, such person should be identified. A listing of the shareholders of an investment company registered under the Investment Company Act of 1940 or the beneficiaries of employee benefit plan, pension fund or endowment fund is not required.

ITEM 7. IDENTIFICATION AND CLASSIFICATION OF THE SUBSIDIARY WHICH ACQUIRED THE SECURITY
BEING REPORTED ON BY THE PARENT HOLDING COMPANY

If a parent holding company has filed this schedule, pursuant to Rule 13d-1(b)(ii)(G), so indicate under Item 3(g) and attach an exhibit stating the identity and the Item 3 classification of the relevant subsidiary. If a parent holding company has filed this schedule pursuant to Rule 13d-1(c), attach an exhibit stating the identification of the relevant subsidiary.

ITEM 8. IDENTIFICATION AND CLASSIFICATION OF MEMBERS OF THE GROUP

If a group has filed this schedule pursuant to Rule 13d-1(b)(ii)(H), so indicate under Item 3(h) and attach an exhibit stating the identity and Item 3 classification of each member of the group. If a group has filed this schedule pursuant to Rule 13d-1(c), attach an exhibit stating the identity of each member of the group.

ITEM 9. NOTICE OF DISSOLUTION OF GROUP

Notice of dissolution of a group may be furnished as an exhibit stating the date of the dissolution and that all further filings with respect to transactions in the security reported on will be filed, if required, by members of the group, in their individual capacity. See Item 5.

Page 4 of 5 Pages

ITEM 10. CERTIFICATION

(a) The following certification shall be included if the statement is filed pursuant to Rule 13d-1(b):

By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were acquired and are held in the ordinary course of business and 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.


		August 31, 2001
		Date

		/s/ Theo A. Kolokotrones
		Signature

		Theo A. Kolokotrones, President
		Name/Title

Page 5 of 5 Pages

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