-----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, TvG53iT0BDjrOX0tHF974d4DGgOzP7LirP11x2s95tSXAuSJJ1kN6wqGdcTfc4DP 8mYS171SyAXfDYMEi+PYPA== 0000909012-04-000824.txt : 20041129 0000909012-04-000824.hdr.sgml : 20041129 20041129161220 ACCESSION NUMBER: 0000909012-04-000824 CONFORMED SUBMISSION TYPE: SC 13G/A PUBLIC DOCUMENT COUNT: 1 FILED AS OF DATE: 20041129 DATE AS OF CHANGE: 20041129 SUBJECT COMPANY: COMPANY DATA: COMPANY CONFORMED NAME: QUANTUM CORP /DE/ CENTRAL INDEX KEY: 0000709283 STANDARD INDUSTRIAL CLASSIFICATION: COMPUTER STORAGE DEVICES [3572] IRS NUMBER: 942665054 STATE OF INCORPORATION: DE FISCAL YEAR END: 0331 FILING VALUES: FORM TYPE: SC 13G/A SEC ACT: 1934 Act SEC FILE NUMBER: 005-35818 FILM NUMBER: 041171770 BUSINESS ADDRESS: STREET 1: 1650 TECHNOLOGY DR STREET 2: SUITE 800 CITY: SAN JOSE STATE: CA ZIP: 95110 BUSINESS PHONE: 4089444000 MAIL ADDRESS: STREET 1: 1650 TECHNOLOGY DR STREET 2: SUITE 800 CITY: SAN JOSE STATE: CA ZIP: 95110 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/A 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/A 1 t301468.txt QUANTUM CORP UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE 13G/A UNDER THE SECURITIES EXCHANGE ACT OF 1934 (AMENDMENT NO. __1__)* Quantum Corp. ---------------------- (Name of Issuer) Common ------------------------------------ (Title of Class of Securities) 747906204 -------------------- (CUSIP Number) October 31, 2004 ------------------------------------------------------------- (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 - ------------------------ ---------------------- CUSIP NO. 747906204 13G PAGE 2 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 27,069,594 NUMBER OF ----------------------------------------------------------- SHARES 6 SHARED VOTING POWER BENEFICIALLY OWNED BY 0 EACH ----------------------------------------------------------- REPORTING 7 SOLE DISPOSITIVE POWER PERSON WITH 28,230,067 ----------------------------------------------------------- 8 SHARED DISPOSITIVE POWER 0 - -------------------------------------------------------------------------------- 9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 28,230,067 - -------------------------------------------------------------------------------- 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 15.5% - -------------------------------------------------------------------------------- 12 TYPE OF REPORTING PERSON* IA - -------------------------------------------------------------------------------- PAGE 2 OF 4 PAGES Item 1(a) Name of Issuer: Quantum Corp. Item 1(b) Address of Issuer's Principal Executive Offices: 1650 Technology Drive, Suite 800 San Jose, CA 95110 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, 4th 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: 747906204 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: 28,230,067 (b) Percent of Class: 15.5% PAGE 3 OF 4 PAGES (c) Number of shares as to which such person has: (i) sole power to vote or direct the vote: 27,069,594 (ii) shared power to vote or direct the vote: 0 (iii) sole power to dispose or to direct the disposition of: 28,230,067 (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, which clients may include investment companies registered under the Investment Company Act and/or employee benefit plans, pension funds, endowment funds or other institutional 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. 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: November 24, 2004 NWQ Investment Management Company, LLC By: /S/ Jon D. Bosse ------------------------------------- Name: Jon D. Bosse Title: Chief Investment Officer PAGE 4 OF 4 PAGES -----END PRIVACY-ENHANCED MESSAGE-----