-----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, K5qzzpaBBEq2nvUczBPLn3kDI69bNQJsGE2bEZ8A7A7b8EzKzV5lX/r7vmiJPfa1 5oKSzYg6bVvmfGrbxdFyHg== 0000909012-06-000779.txt : 20060713 0000909012-06-000779.hdr.sgml : 20060713 20060713172345 ACCESSION NUMBER: 0000909012-06-000779 CONFORMED SUBMISSION TYPE: SC 13G PUBLIC DOCUMENT COUNT: 1 FILED AS OF DATE: 20060713 DATE AS OF CHANGE: 20060713 SUBJECT COMPANY: COMPANY DATA: COMPANY CONFORMED NAME: APEX SILVER MINES LTD CENTRAL INDEX KEY: 0001011509 STANDARD INDUSTRIAL CLASSIFICATION: GOLD & SILVER ORES [1040] IRS NUMBER: 841363747 FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: SC 13G SEC ACT: 1934 Act SEC FILE NUMBER: 005-52021 FILM NUMBER: 06961247 BUSINESS ADDRESS: STREET 1: CALEDONIAN HOUSE MARY STREET STREET 2: GEORGETOWN BWI CITY: GRAND CAYMAN ISLAND BUSINESS PHONE: 3038395060 MAIL ADDRESS: STREET 1: CALEDONIAN HOUSE MARY STREET STREET 2: GEORGETOWN BWI CITY: GRAND CAYMAN ISLAND FILED BY: COMPANY DATA: COMPANY CONFORMED NAME: NWQ INVESTMENT MANAGEMENT CO LLC CENTRAL INDEX KEY: 0000763848 IRS NUMBER: 470875103 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: SC 13G BUSINESS ADDRESS: STREET 1: 2049 CENTURY PARK EAST STREET 2: 4TH FLOOR CITY: LOS ANGELES STATE: CA ZIP: 90067 BUSINESS PHONE: 3107124000 MAIL ADDRESS: STREET 1: 2049 CENTURY PARK EAST STREET 2: 4TH FLOOR CITY: LOS ANGELES STATE: CA ZIP: 90067 FORMER COMPANY: FORMER CONFORMED NAME: NWQ INVESTMENT MANAGEMENT CO /CA/ DATE OF NAME CHANGE: 19990407 SC 13G 1 t302682.txt SCHEDULE 13G UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE 13G UNDER THE SECURITIES EXCHANGE ACT OF 1934 (AMENDMENT NO. )* Apex Silver Mines, Limited ---------------------- (Name of Issuer) Common ------------------------------------ (Title of Class of Securities) G04074103 -------------------- (CUSIP Number) December 31, 2005 ------------------------------------------------------------- (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 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 4 PAGES - -------------------------------------------------------------------------------- 1 NAME OF REPORTING PERSON S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON NWQ Investment Management Company, LLC 47-0875103 - -------------------------------------------------------------------------------- 2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* (a) [_] (b) [_] N/A - -------------------------------------------------------------------------------- 3 SEC USE ONLY - -------------------------------------------------------------------------------- 4 CITIZENSHIP OR PLACE OF ORGANIZATION Delaware - U.S.A. - -------------------------------------------------------------------------------- 5 SOLE VOTING POWER 10,120,432* NUMBER OF ----------------------------------------------------------- SHARES 6 SHARED VOTING POWER BENEFICIALLY OWNED BY 0 EACH ----------------------------------------------------------- REPORTING 7 SOLE DISPOSITIVE POWER PERSON WITH 13,796,773* ----------------------------------------------------------- 8 SHARED DISPOSITIVE POWER 0 - -------------------------------------------------------------------------------- 9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 13,796,773* - -------------------------------------------------------------------------------- 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 23.4%* - -------------------------------------------------------------------------------- 12 TYPE OF REPORTING PERSON* IA - -------------------------------------------------------------------------------- *Reflects the reporting person's ownership as of June 30, 2006, including, respectively, 582,075 and 628,302 shares which may be issued upon conversion of, respectively, 16,659,000 principal amount (sole voting power) and 17,982,000 principal amount (sole dispositive power ) of 2.875% Convertible Senior Subordinated Notes due 2024 of the issuer. As of December 31, 2005, the reporting person had sole voting power of 3,311,103 shares and sole dispositive power of 3,958,468 shares. The aggregate amount of shares beneficially owned by the reporting person as of December 31, 2005 was 3,958,468 (including 636,129 shares which may be issued upon conversion of 18,206,000 principal amount of 2.875% Convertible Senior Subordinated Notes due 2024 of the issuer), or 7.7% of the 50,444,890 outstanding ordinary shares of the issuer as of December 31, 2005 as set forth in the issuer's Form 10-K filed on March 31, 2006. PAGE 2 OF 4 PAGES Item 1(a) Name of Issuer: Apex Silver Mines Limited Item 1(b) Address of Issuer's Principal Executive Offices: Caledonian House, Mary Street Georgetown, British West Indies Grand Cayman Island Item 2(a) Name of Person Filing: NWQ Investment Management Company, LLC Item 2(b) Address of the Principal Office or, if none, Residence: 2049 Century Park East, 16th Floor Los Angeles, CA 90067 Item 2(c) Citizenship: Delaware - U.S.A. Item 2(d) Title of Class of Securities: Common Item 2(e) CUSIP Number: G04074103 Item 3 If the Statement is being filed pursuant to Rule 13d-1(b), or 13d-2(b), check whether the person filing is a: (e) [X] An investment advisor in accordance with section 240.13d-1(b)(1)(ii)(E) Item 4 Ownership: (a) Amount Beneficially Owned: 13,796,773* (b) Percent of Class: 23.4%* (c) Number of shares as to which such person has: (i) sole power to vote or direct the vote: 10,120,432* (ii) shared power to vote or direct the vote: 0 (iii) sole power to dispose or to direct the disposition of: 13,796,773* PAGE 3 OF 4 PAGES (iv) shared power to dispose or to direct the disposition of: 0 Item 5 Ownership of Five Percent or Less of a Class: Not applicable. Item 6 Ownership of More than Five Percent on Behalf of Another Person: Securities reported on this Schedule 13G are beneficially owned by clients of NWQ Investment Management Company, which clients may include investment companies registered under the Investment Company Act and/or employee benefit plans, pension funds, endowment funds or other institutional and high net worth clients. Item 7 Identification and Classification of the Subsidiary Which Acquired the Security Being Reported on By the Parent Holding Company: Not applicable. Item 8 Identification and Classification of Members of the Group: Not applicable. Item 9 Notice of Dissolution of a Group: Not applicable. Item 10 Certification: 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 such securities and were were not acquired in connection with or as a participant in any transaction having such purpose or effect. *Reflects the reporting person's ownership as of June 30, 2006, including, respectively, 582,075 and 628,302 shares which may be issued upon conversion of, respectively, 16,659,000 principal amount (sole voting power) and 17,982,000 principal amount (sole dispositive power ) of 2.875% Convertible Senior Subordinated Notes due 2024 of the issuer. As of December 31, 2005, the reporting person had sole voting power of 3,311,103 shares and sole dispositive power of 3,958,468 shares. The aggregate amount of shares beneficially owned by the reporting person as of December 31, 2005 was 3,958,468 (including 636,129 shares which may be issued upon conversion of 18,206,000 principal amount of 2.875% Convertible Senior Subordinated Notes due 2024 of the issuer), or 7.7% of the 50,444,890 outstanding ordinary shares of the issuer as of December 31, 2005 as set forth in the issuer's Form 10-K filed on March 31, 2006. 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: July 12, 2006 NWQ Investment Management Company, LLC By: /S/ Jon D. Bosse ------------------------------------- Name: Jon D. Bosse Title: Co-President, Chief Investment Officer PAGE 4 OF 4 PAGES -----END PRIVACY-ENHANCED MESSAGE-----