0001256071-12-000004.txt : 20120215 0001256071-12-000004.hdr.sgml : 20120215 20120214194148 ACCESSION NUMBER: 0001256071-12-000004 CONFORMED SUBMISSION TYPE: SC 13G PUBLIC DOCUMENT COUNT: 1 FILED AS OF DATE: 20120215 DATE AS OF CHANGE: 20120214 SUBJECT COMPANY: COMPANY DATA: COMPANY CONFORMED NAME: STILLWATER MINING CO /DE/ CENTRAL INDEX KEY: 0000931948 STANDARD INDUSTRIAL CLASSIFICATION: MISCELLANEOUS METAL ORES [1090] IRS NUMBER: 810480654 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: SC 13G SEC ACT: 1934 Act SEC FILE NUMBER: 005-44031 FILM NUMBER: 12613820 BUSINESS ADDRESS: STREET 1: 1321 DISCOVERY DRIVE CITY: BILLINGS STATE: MT ZIP: 59102 BUSINESS PHONE: 406.373.8700 MAIL ADDRESS: STREET 1: 1321 DISCOVERY DRIVE CITY: BILLINGS STATE: MT ZIP: 59102 FILED BY: COMPANY DATA: COMPANY CONFORMED NAME: PLATINUM INVESTMENT MANAGEMENT LTD CENTRAL INDEX KEY: 0001256071 IRS NUMBER: 000000000 FILING VALUES: FORM TYPE: SC 13G BUSINESS ADDRESS: STREET 1: C/O PLATINUM INVESTMENT MANAGEMENT STREET 2: LEVEL 8, 7 MACQUARIE PLACE CITY: SYDNEY AUSTRALIA 2000 STATE: C3 ZIP: 00000 BUSINESS PHONE: 61292557533 MAIL ADDRESS: STREET 1: C/O PLATINUM INVESTMENT MANAGEMENT STREET 2: LEVEL 8, 7 MACQUARIE PLACE CITY: SYDNEY AUSTRALIA 2000 STATE: C3 ZIP: 00000 FORMER COMPANY: FORMER CONFORMED NAME: PLATINUM ASSET MANAGEMENT LTD DATE OF NAME CHANGE: 20030722 SC 13G 1 stillwater31.txt Item 1. (a) Stillwater Mining Company (b) 1321 Discovery Drive Billings, MT 59102 United States Item 2. (a) Platinum Investment Management Limited (b) Level 8, 7 Macquarie Place Sydney NSW 2000 Australia (c) Australia (d) Common Stock (e) 86074Q102 Item 3. (e) An IA in accordance with Section 240.13d-1(b)(1)(ii)(J) Item 4. (a) 13,097,596 (b) 11.4% (c) (i) 11,093,865 (ii) 0 (iii) 13,097,596 (iv) 0 Item 5 No Item 6 The clients of Platinum Investment Management Ltd including pooled investment vehicles and other managed accounts have the right to receive or power to direct the receipt of dividends from, and the proceeds from the sale of, Stillwater Mining Company. Item 7 N/A Item 8 N/A Item 9 N/A Item 10 (a) N/A (b) 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. 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.