0001525279-11-000035.txt : 20110810 0001525279-11-000035.hdr.sgml : 20110810 20110810125023 ACCESSION NUMBER: 0001525279-11-000035 CONFORMED SUBMISSION TYPE: SC 13G/A PUBLIC DOCUMENT COUNT: 1 FILED AS OF DATE: 20110810 DATE AS OF CHANGE: 20110810 GROUP MEMBERS: ALLIANCEBERNSTEIN L.P. SUBJECT COMPANY: COMPANY DATA: COMPANY CONFORMED NAME: Ensco plc CENTRAL INDEX KEY: 0000314808 STANDARD INDUSTRIAL CLASSIFICATION: DRILLING OIL & GAS WELLS [1381] IRS NUMBER: 980635229 FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: SC 13G/A SEC ACT: 1934 Act SEC FILE NUMBER: 005-33427 FILM NUMBER: 111023574 BUSINESS ADDRESS: STREET 1: 6 CHESTERFIELD GARDENS CITY: LONDON STATE: X0 ZIP: W1J5BQ BUSINESS PHONE: 4402076594660 MAIL ADDRESS: STREET 1: 6 CHESTERFIELD GARDENS CITY: LONDON STATE: X0 ZIP: W1J5BQ FORMER COMPANY: FORMER CONFORMED NAME: Ensco International plc DATE OF NAME CHANGE: 20091223 FORMER COMPANY: FORMER CONFORMED NAME: ENSCO INTERNATIONAL INC DATE OF NAME CHANGE: 19950526 FORMER COMPANY: FORMER CONFORMED NAME: ENERGY SERVICE COMPANY INC DATE OF NAME CHANGE: 19920703 FILED BY: COMPANY DATA: COMPANY CONFORMED NAME: ALLIANCEBERNSTEIN L.P. CENTRAL INDEX KEY: 0001109448 STANDARD INDUSTRIAL CLASSIFICATION: INVESTMENT ADVICE [6282] IRS NUMBER: 134064930 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: SC 13G/A BUSINESS ADDRESS: STREET 1: 1345 AVENUE OF THE AMERICAS CITY: NEW YORK STATE: NY ZIP: 10105 BUSINESS PHONE: 2129691000 MAIL ADDRESS: STREET 1: 1345 AVENUE OF THE AMERICAS CITY: NEW YORK STATE: NY ZIP: 10105 FORMER COMPANY: FORMER CONFORMED NAME: ALLIANCE CAPITAL MANAGEMENT L P DATE OF NAME CHANGE: 20000316 SC 13G/A 1 esv0731_g.txt Page 1 of 5 Pages UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE 13G Under the Securities exchange Act of 1934 (Amendment No. 1)* ENSCO PLC ----------------------------------------------------- (NAME OF ISSUER) COM NEW ----------------------------------------------------- (TITLE OF CLASS OF SECURITIES) 29358Q109 ----------------------------------------------------- (CUSIP NUMBER) July 31, 2011 ----------------------------------------------------- (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). (CONTINUED ON FOLLOWING PAGE(S)) CUSIP NO. 29358Q109 13G Page 2 of 5 Pages 1. NAME OF REPORTING PERSON S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON AllianceBernstein LP 13-3434400 2. CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP * (A) [ ] (B) [X] 3. SEC USE ONLY 4. CITIZENSHIP OR PLACE OF ORGANIZATION State of Delaware NUMBER OF SHARES 5. SOLE VOTING POWER 252,211 BENEFICIALLY OWNED AS OF 6. SHARED VOTING POWER 0 July 31, 2011 BY EACH 7. SOLE DISPOSITIVE POWER 259,189 REPORTING PERSON WITH: 8. SHARED DISPOSITIVE POWER 0 9. AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH 259,189 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 * [X] 11. PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9 0.1% 12. TYPE OF REPORTING PERSON * IA * SEE INSTRUCTIONS BEFORE FILLING OUT! CUSIP NO. 29358Q109 13G Page 3 of 5 Pages Item 1(a) Name of Issuer: ENSCO PLC Item 1(b) Address of Issuer's Principal Executive Offices: 2700 Fountain Place Dallas, TX 75202- Item 2(a) and (b) Name of Person Filing and Address of Principal Business Office: AllianceBernstein L.P 1345 Avenue of the Americas NewYork, N.Y. 10105 (All media outlets, please contact John Meyers at AllianceBernstein (212-969-2301) with any questions. All other questions can be directed to Michelle Pollitt at AllianceBernstein. ) Item 2(c) Citizenship: Delaware Item 2(d) Title of Class of Securities: COM NEW Item 2(e) Cusip Number: 29358Q109 Item 3. Type of Reporting Person: Registered Investment Advisor 13G Page 4 of 5 Pages Item 4. Ownership as of 07/31/2011 (a) Amount Beneficially Owned: 259,189 shares of common stock acquired solely for investment purposes on behalf of client discretionary investment advisory accounts* (b) Percent of Class: 0.1% (c) Deemed Voting Power and Disposition Power:
(i) (ii) (iii) (iv) Deemed Deemed Deemed Deemed to have to have to have to have Sole Power Shared Power Sole Power Shared Power to Vote to Vote to Dispose to Dispose or to or to or to or to Direct Direct Direct the Direct the the Vote the Vote Disposition Disposition ------------ ------------ ------------ ------------ AllianceBernstein 252,211 0 259,189 0
*AllianceBernstein L.P. is a majority owned subsidiary of AXA Financial, Inc. and an indirect majority owned subsidiary of AXA SA. AllianceBernstein operates under independent management and makes independent decisions from AXA and AXA Financial and their respective subsidiaries and AXA and AXA Financial calculate and report beneficial ownership separately from AllianceBernstein pursuant to guidance provided by the Securities and Exchange Commission in Release Number 34-39538 (January 12, 1998). AllianceBernstein may be deemed to share beneficial ownership with AXA reporting persons by virtue of 0 shares of common stock acquired on behalf of the general and special accounts of the affiliated entities for which AllianceBernstein serves as a subadvisor. Each of AllianceBernstein and the AXA entities reporting herein acquired their shares of common stock for investment purposes in the ordinary course of their investment management and insurance businesses. Page 5 of 5 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 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. [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: 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 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: August 9, 2011, ALLIANCEBERNSTEIN L.P. /s/ Laurence Bertan Name: Laurence Bertan Title: SVP and Head of Regulatory Reporting