SC 13G 1 thc1231_g.txt Page 1 of 12 Pages UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE 13G Under the Securities exchange Act of 1934 (AMENDMENT NO.6)* TENET HEALTHCARE CORP ----------------------------------------------------- (NAME OF ISSUER) COM ----------------------------------------------------- (TITLE OF CLASS OF SECURITIES) 88033G100 ----------------------------------------------------- (CUSIP NUMBER) December 31, 2003 ----------------------------------------------------- (Date of event which requires filing of this Statement) NOTE: A MAJORITY OF THE SHARES REPORTED IN THIS SCHEDULE 13G ARE HELD BY UNAFFILIATED THIRD-PARTY CLIENT ACCOUNTS MANAGED BY ALLIANCE CAPITAL MANAGEMENT L.P., AS INVESTMENT ADVISER. (ALLIANCE CAPITAL MANAGEMENT L.P. IS A MAJORITY-OWNED SUBSIDIARY OF AXA FINANCIAL, INC.) 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). (CONTINUED ON FOLLOWING PAGE(S)) CUSIP NO. 88033G100 13G Page 2 of 12 Pages 1. NAME OF REPORTING PERSON S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON AXA Assurances I.A.R.D. Mutuelle 2. CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP * (A) [X] (B) [ ] 3. SEC USE ONLY 4. CITIZENSHIP OR PLACE OF ORGANIZATION France NUMBER OF SHARES 5. SOLE VOTING POWER 3,184,340 BENEFICIALLY OWNED AS OF 6. SHARED VOTING POWER 6,398,470 December 31, 2003 BY EACH 7. SOLE DISPOSITIVE POWER 10,855,989 REPORTING PERSON WITH: 8. SHARED DISPOSITIVE POWER 0 9. AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH 10,855,989 REPORTING PERSON (Not to be construed as an admission of beneficial ownership) 10. CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES * | | 11. PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9 2.3% 12. TYPE OF REPORTING PERSON * IC * SEE INSTRUCTIONS BEFORE FILLING OUT! CUSIP NO. 88033G100 13G Page 3 of 12 Pages 1. NAME OF REPORTING PERSON S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON AXA Assurances Vie Mutuelle 2. CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP * (A) [X] (B) [ ] 3. SEC USE ONLY 4. CITIZENSHIP OR PLACE OF ORGANIZATION France NUMBER OF SHARES 5. SOLE VOTING POWER 3,184,340 BENEFICIALLY OWNED AS OF 6. SHARED VOTING POWER 6,398,470 December 31, 2003 BY EACH 7. SOLE DISPOSITIVE POWER 10,855,989 REPORTING PERSON WITH: 8. SHARED DISPOSITIVE POWER 0 9. AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH 10,855,989 REPORTING PERSON (Not to be construed as an admission of beneficial ownership) 10. CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES * | | 11. PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9 2.3% 12. TYPE OF REPORTING PERSON * IC * SEE INSTRUCTIONS BEFORE FILLING OUT! CUSIP NO. 88033G100 13G Page 4 of 12 Pages 1. NAME OF REPORTING PERSON S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON AXA Courtage Assurance Mutuelle 2. CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP * (A) [X] (B) [ ] 3. SEC USE ONLY 4. CITIZENSHIP OR PLACE OF ORGANIZATION France NUMBER OF SHARES 5. SOLE VOTING POWER 3,184,340 BENEFICIALLY OWNED AS OF 6. SHARED VOTING POWER 6,398,470 December 31, 2003 BY EACH 7. SOLE DISPOSITIVE POWER 10,855,989 REPORTING PERSON WITH: 8. SHARED DISPOSITIVE POWER 0 9. AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH 10,855,989 REPORTING PERSON (Not to be construed as an admission of beneficial ownership) 10. CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES * | | 11. PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9 2.3% 12. TYPE OF REPORTING PERSON * IC * SEE INSTRUCTIONS BEFORE FILLING OUT! CUSIP NO. 88033G100 13G Page 5 of 12 Pages 1. NAME OF REPORTING PERSON S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON AXA 2. CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP * (A) [ ] (B) [ ] 3. SEC USE ONLY 4. CITIZENSHIP OR PLACE OF ORGANIZATION France NUMBER OF SHARES 5. SOLE VOTING POWER 3,184,340 BENEFICIALLY OWNED AS OF 6. SHARED VOTING POWER 6,398,470 December 31, 2003 BY EACH 7. SOLE DISPOSITIVE POWER 10,855,989 REPORTING PERSON WITH: 8. SHARED DISPOSITIVE POWER 0 9. AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH 10,855,989 REPORTING PERSON (Not to be construed as an admission of beneficial ownership) 10. CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES * | | 11. PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9 2.3% 12. TYPE OF REPORTING PERSON * IC * SEE INSTRUCTIONS BEFORE FILLING OUT! CUSIP NO. 88033G100 13G Page 6 of 12 Pages 1. NAME OF REPORTING PERSON S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON AXA Financial, Inc. 13-3623351 2. CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP * (A) [ ] (B) [ ] 3. SEC USE ONLY 4. CITIZENSHIP OR PLACE OF ORGANIZATION State of Delaware NUMBER OF SHARES 5. SOLE VOTING POWER 3,162,282 BENEFICIALLY OWNED AS OF 6. SHARED VOTING POWER 6,398,470 December 31, 2003 BY EACH 7. SOLE DISPOSITIVE POWER 10,833,931 REPORTING PERSON WITH: 8. SHARED DISPOSITIVE POWER 0 9. AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH 10,833,931 REPORTING PERSON (Not to be construed as an admission of beneficial ownership) 10. CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES * | | 11. PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9 2.3% 12. TYPE OF REPORTING PERSON * HC * SEE INSTRUCTIONS BEFORE FILLING OUT! 13G Page 7 of 12 Pages Item 1(a) Name of Issuer: TENET HEALTHCARE CORP Item 1(b) Address of Issuer's Principal Executive Offices: 3820 State St. Santa Barbara, CA 93105 Item 2(a) and (b) Name of Person Filing and Address of Principal Business Office: AXA Assurances I.A.R.D Mutuelle, and AXA Assurances Vie Mutuelle, 370, rue Saint Honore 75001 Paris, France AXA Courtage Assurance Mutuelle 26, rue Louis le Grand 75002 Paris, France as a group (collectively, the 'Mutuelles AXA'). AXA 25, avenue Matignon 75008 Paris, France AXA Financial, Inc. 1290 Avenue of the Americas New York, New York 10104 (Please contact Dean Dubovy at (212) 314-5528 with any 13G Page 8 of 12 Pages Item 2(c) Citizenship: Mutuelles AXA and AXA - France AXA Financial, Inc. - Delaware Item 2(d) Title of Class of Securities: COM Item 2(e) Cusip Number: 88033G100 Item 3. Type of Reporting Person: AXA Financial, Inc. as a parent holding company, in accordance with 240.13d-1(b)(ii)(G). The Mutuelles AXA, as a group, acting as a parent holding company. AXA as a parent holding company. 13G Page 9 of 12 Pages Item 4. Ownership as of December 31, 2003 (a) Amount Beneficially Owned: 10,855,989 shares of common stock beneficially owned including:

Page 10 of 12 Pages ITEM 4. Ownership as of December 31, 2003 (CONT.) (c) Deemed Voting Power and Disposition Power:

Page 11 of 12 Pages 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 (X) Item 6. Ownership of More than Five Percent on behalf of Another Person. N/A Item 7. Identification and Classification of the Subsidiary which Acquired the Security Being Reporting on by the Parent Holding Company: This Schedule 13G is being filed by AXA Financial, Inc.; AXA, which owns AXA Financial, Inc.; and the Mutuelles AXA, which as a group control AXA: (X) in the Mutuelles AXAs' capacity, as a group, acting as a parent holding company with respect to the holdings of the following AXA entity or entities: (X) in AXA's capacity as a parent holding company with respect to the holdings of the following AXA entity or entities: AXA Investment Managers Paris (France) AXA AURORA IBERICA AXA Investment Managers Den Haag (X) in AXA Financial, Inc.'s capacity as a parent holding company with respect to the holdings of the following subsidiaries: (X) Alliance Capital Management L.P. (13-3434400), an investment adviser registered under Section 203 of the Investment Advisers Act of 1940. (X) The Equitable Life Assurance Society of the United States (13-5570651), an insurance company and an investment adviser registered under Section 203 of the Investment Advisers Act of 1940. Page 12 of 12 Pages 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 purposes 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. Date: February 13, 2004 AXA FINANCIAL, INC.* /s/ Alvin H. Fenichel Alvin H. Fenichel Senior Vice President and Controller *Pursuant to the Joint Filing Agreement with respect to Schedule 13G attached hereto as Exhibit I, among AXA Financial, Inc., AXA Assurances I.A.R.D Mutuelle, AXA Assurances Vie Mutuelle, AXA Courtage Assurance Mutuelle, and AXA, this statement Schedule 13G is filed on behalf of each of them.

HOCKEY CO SC 13G