SC 13G 1 0001.txt UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 4)* Integrated Measurement Systems, Inc. (Name of Issuer) Common Stock (Title and Class of Securities) 457923100 (CUSIP Number) January 31, 2001 (Date of Event which Requires Filing of this Statement) Check the appropriate box to designate the rule pursuant to which this Schedule is filed: [X] Rule 13d-1(b) [_] 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 disclosures provided in a prior cover page. The information required on 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). SCHEDULE 13G CUSIP No. 457923100 Page 2 1 NAMES OF REPORTING PERSONS I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS (entities only) Invista Capital Management, LLC 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 NUMBER OF 5 SOLE VOTING POWER 0 SHARES BENEFICIALLY 6 SHARED VOTING POWER 810,701 OWNED BY EACH 7 SOLE DISPOSITIVE POWER 0 REPORTING PERSON WITH 8 SHARED DISPOSITIVE POWER 810,701 9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 810,701 10 CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (See Instructions) 11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) 10.2 12 TYPE OF REPORTING PERSON (See Instructions) IA SCHEDULE 13G CUSIP No. 457923100 Page 3 1 NAMES OF REPORTING PERSONS I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS (entities only) Principal Mutual Holding Company 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 Iowa NUMBER OF 5 SOLE VOTING POWER 0 SHARES BENEFICIALLY 6 SHARED VOTING POWER 810,701 OWNED BY EACH 7 SOLE DISPOSITIVE POWER 0 REPORTING PERSON WITH 8 SHARED DISPOSITIVE POWER 810,701 9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 810,701 10 CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (See Instructions) 11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) 10.2 12 TYPE OF REPORTING PERSON (See Instructions) HC Page 4 Item 1(a). Name of Issuer: Integrated Measurement Systems, Inc. Item 1(b). Address of Issuer's Principal Executive Offices: 9525 S.W. Gemini Drive Beaverton, OR 97008 Item 2(a). Name of Person Filing: Invista Capital Management, LLC Principal Mutual Holding Company Item 2(b). Address of Principal Business Office, or, if None, Residence: Invista Capital Management, LLC 699 Walnut 1900 Hub Tower Des Moines, IA 50309 Principal Mutual Holding Company 711 High Street Des Moines, IA 50392-0088 Item 2(c). Citizenship: Invista Capital Management, LLC - State of Delaware Principal Mutual Holding Company - State of Iowa Item 2(d). Title of Class of Securities: Common Stock Item 2(e). CUSIP Numbers: 457923100 Item 3. If this statement is filed pursuant to section 240.13d-1(b) or 240.13d 2(b) or (c), check whether the person filing is a: (e) [X] An investment adviser in accordance with section 240.13d 1(b)(1)(ii)(E) (g) [X] A parent holding company or control person in accordance with section 240.13d-1(b)(1)(ii)(G) Item 4. Ownership: (a) Amount Beneficially Owned 810,701 Shares Common Stock presently held by Invista Cap. Mgmt 810,701 Shares Common Stock presently held by Principal Mutual Holding Company Page 5 (b) Percent of Class 10.2 Invista Capital Management 10.2 Principal Mutual Holding Company (c) Number of shares as to which the person has: (i) Sole Power to Vote or Direct the Vote 0 Invista Cap. Mgmt 0 Principal Mutual Holding Company (ii) Shared Power to Vote or Direct the Vote 810,701 Shares Common Stock presently held by Invista Cap. Mgmt 810,701 Shares Common Stock presently held by Principal Mutual Holding Company (iii) Sole Power to Dispose or to Direct the Disposition of 0 Invista Cap. Mgmt 0 Principal Mutual Holding Company (iv) Shared Power to Dispose or to Direct the Disposition of 810,701 Shares Common Stock presently held by Invista Cap. Mgmt 810,701 Shares Common Stock presently held by Principal Mutual Holding Company Item 5. Ownership of Five Percent or Less of a Class: N/A Item 6. Ownership of More than Five Percent on Behalf of Another Person Persons other than the reporting persons have a right to receive or the power to direct the receipt of dividends from or the proceeds from the sale of such securities. The interest of no such person having such an interest relates to more than five percent of the class Item 7. Identification and Classification of the Subsidiary Which Acquired the Security Being Reported on By the Parent Holding Company See Exhibit attached Page 6 Item 8. Identification and Classification of Members of the Group N/A Item 9. Notice of Dissolution of Group N/A Item 10(b). Certification By signing below I certify, to the best of my knowledge and belief, the securities referred to above were not 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. INVISTA CAPITAL MANAGEMENT, LLC By /s/ Dennis W. Cameron Dennis W. Cameron, Chief Financial and Compliance Officer Principal Mutual Holding Company By: INVISTA CAPITAL MANAGEMENT, LLC By /s/ Dennis W. Cameron Dennis W. Cameron, Chief Financial and Compliance Officer Dated Monday, February 12, 2001 EXHIBIT 99.1 Invista Capital Management, LLC Item 3 Classification: (e) Investment Adviser registered under Section 203 of the Investment Advisers Act of 1940.