-----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, SEBouD5JNQ3w/OHGMvvic1QTlAniK4g0e7BlG7jTk9IzMK3/EI9LYIRrksvDoP84 54AuRKdWEb9lXnzLmbUDzQ== 0000052388-01-000007.txt : 20010214 0000052388-01-000007.hdr.sgml : 20010214 ACCESSION NUMBER: 0000052388-01-000007 CONFORMED SUBMISSION TYPE: SC 13G PUBLIC DOCUMENT COUNT: 1 FILED AS OF DATE: 20010213 SUBJECT COMPANY: COMPANY DATA: COMPANY CONFORMED NAME: MINERALS TECHNOLOGIES INC CENTRAL INDEX KEY: 0000891014 STANDARD INDUSTRIAL CLASSIFICATION: INDUSTRIAL INORGANIC CHEMICALS [2810] IRS NUMBER: 251190717 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: SC 13G SEC ACT: SEC FILE NUMBER: 005-43231 FILM NUMBER: 1535886 BUSINESS ADDRESS: STREET 1: 405 LEXINGTON AVENUE STREET 2: 19TH FLOOR CITY: NEW YORK STATE: NY ZIP: 10174 BUSINESS PHONE: 2128781800 MAIL ADDRESS: STREET 1: THE CHRYSLER BUILDING STREET 2: 405 LEXINGTON AVENUE, 19TH FLOOR CITY: NEW YORK STATE: NY ZIP: 10174-1901 FILED BY: COMPANY DATA: COMPANY CONFORMED NAME: AMERICAN CENTURY INVESTMENT MANAGEMENT INC CENTRAL INDEX KEY: 0000052388 STANDARD INDUSTRIAL CLASSIFICATION: UNKNOWN SIC - 0000 [0000] IRS NUMBER: 440640487 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: SC 13G BUSINESS ADDRESS: STREET 1: TWENTIETH CENTURY TOWER STREET 2: 4500 MAIN ST CITY: KANSAS CITY STATE: MO ZIP: 64111 BUSINESS PHONE: 8165315575 FORMER COMPANY: FORMER CONFORMED NAME: INVESTORS RESEARCH CORP DATE OF NAME CHANGE: 19920929 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. _)* Name of Issuer - Minerals Technologies Inc. Title or Class of Securities - Common Stock CUSIP Number - 603158106 Check the following box if a fee is being paid with this statement [ ]. Cusip No. 603158106 Page 2 of 6 Pages 1. Name of Reporting Person (S.S. or I.R.S. Identification No. of above person) American Century Investment Management, Inc. - 44-0640487 2. Check the appropriate box if a member of a group* - N/A 3. SEC Use Only 4. Citizenship or place of organization Delaware 5. Sole voting power 1,331,100 6. Shared voting power 0 7. Sole dispositive power 1,331,100 8. Shared dispositive power 0 9. Aggregate amount beneficially owned by each reporting person 1,331,100 10. Check box if the aggregate amount in Row (9) excludes certain shares N/A 11. Percent of class represented by amount in Row 9 6.7% 12. Type of reporting person* IA Cusip No. 603158106 Page 3 of 6 Pages 1. Name of Reporting Person (S.S. or I.R.S. Identification No. of above person) American Century Mutual Funds, Inc. - 44-6006315 2. Check the appropriate box if a member of a group* - N/A 3. SEC Use Only 4. Citizenship or place of organization Maryland 5. Sole voting power 1,331,100 6. Shared voting power 0 7. Sole dispositive power 1,331,100 8. Shared dispositive power 0 9. Aggregate amount beneficially owned by each reporting person 1,331,100 10. Check box if the aggregate amount in Row (9) excludes certain shares N/A 11. Percent of class represented by amount in Row 9 6.7% 12. Type of reporting person* IV SCHEDULE 13G Item 1(a). NAME OF ISSUER Minerals Technologies Inc. Item 1(b). ADDRESS OF ISSUER'S PRINCIPAL EXECUTIVE OFFICES 405 Lexington Avenue 19th Floor New York, NY 10174-1901 Item 2(a). NAME OF PERSONS FILING American Century Investment Management, Inc. Item 2(b). ADDRESS OF PRINCIPAL BUSINESS OFFICE OR, IF NONE, RESIDENCE 4500 Main Street P.O. Box 418210 Kansas City, MO 64141-9210 Attn: David H. Reinmiller Item 2(c). CITIZENSHIP Delaware Item 2(d). TITLE OF CLASS OF SECURITIES Common Stock Item 2(e). CUSIP NO. 603158106 Item 3. IF THIS STATEMENT IS FILED PURSUANT TO RULES 13d-1(b) OR 13d-2(b), CHECK WHETHER THE PERSON FILING IS A (g) [ X ] Registered Investment Adviser, in accordance with Rule 13d-1(b)(ii)(E) (Note: See Item 7). Item 4. OWNERSHIP (a) Aggregate amount beneficially owned: 1,331,100 (b) Percent of class: 6.7% (c) Number of shares as to which such person has: (i) sole power to vote or to direct the vote: 1,331,100 (ii) shared power to vote or to direct the vote: 0 (iii)sole power to dispose or to direct the disposition of: 1,331,100 (iv) shared power to dispose or to direct the disposition of: 0 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 [ ]. Item 6. OWNERSHIP OF MORE THAN FIVE PERCENT ON BEHALF OF ANOTHER PERSON American Century Investment Management, Inc. ("ACIM"), a registered investment adviser, manages, pursuant to management agreements, the investments of thirteen registered investment companies, American Century Mutual Funds, Inc., American Century World Mutual Funds, Inc., American Century Capital Portfolios, Inc., American Century Variable Portfolios, Inc., American Century Premium Reserves, Inc., American Century Strategic Asset Allocations, Inc., American Century Municipal Trust, American Century Quantitative Equity Funds, Inc., American Century International Bond Funds, Inc., American Century Investment Trust, American Century Government Income Trust, American Century Target Maturities Trust, and American Century California Tax-Free and Municipal Funds, Inc., and manages, pursuant to sub-advisory agreements, the investments of six registered investment companies, American Skandia Trust, American Skandia Advisor Funds, Inc., Style Select Series, Inc., Mainstay VP Series Fund, Inc., Principal Investors Fund, Inc. and North American Funds Variable Product Series I. ACIM also manages the assets of institutional investor accounts. The securities that are the subject of this report are owned by and held for such investment companies and separate institutional investor accounts. Any dividends received from such securities, or the proceeds of any sale of such securities, are for the benefit of, and are held for such investment companies and separate institutional investor accounts. Item 7. IDENTIFICATION AND CLASSIFICATION OF THE SUBSIDIARY WHICH ACQUIRED THE SECURITY BEING REPORTED ON BY THE PARENT HOLDING COMPANY N/A Item 8. IDENTIFICATION AND CLASSIFICATION OF MEMBERS OF THE GROUP N/A Item 9. NOTICE OF DISSOLUTION OF GROUP N/A Item 10. CERTIFICATION By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were acquired in the ordinary course of business and were not acquired for the purpose of and do not have the effect of changing or influencing the control of the issuer of such securities and were not acquired in connection with or as a participant in any transaction having such 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. February 13, 2001 AMERICAN CENTURY INVESTMENT MANAGEMENT, INC. Date By: /s/David C. Tucker David C. Tucker Senior Vice President and General Counsel -----END PRIVACY-ENHANCED MESSAGE-----