-----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, G5VU/UOLGSxCvGXKHQXGM+BMgBatYjrdNkl7MkJPSsI1DWLRadDfEAoM6HG0FfuU u3zfkWC4BhB5d9G56HmYVw== 0001132716-08-000020.txt : 20080813 0001132716-08-000020.hdr.sgml : 20080813 20080813163835 ACCESSION NUMBER: 0001132716-08-000020 CONFORMED SUBMISSION TYPE: 13F-HR/A PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20070630 FILED AS OF DATE: 20080813 DATE AS OF CHANGE: 20080813 EFFECTIVENESS DATE: 20080813 FILER: COMPANY DATA: COMPANY CONFORMED NAME: UBS OCONNOR LLC CENTRAL INDEX KEY: 0001132716 IRS NUMBER: 061569842 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: 13F-HR/A SEC ACT: 1934 Act SEC FILE NUMBER: 028-06327 FILM NUMBER: 081013612 BUSINESS ADDRESS: STREET 1: ONE NORTH WACKER DRIVE 32ND FLOOR CITY: CHICAGO STATE: IL ZIP: 60606 BUSINESS PHONE: 3125256000 MAIL ADDRESS: STREET 1: ONE NORTH WACKER DRIVE 32ND FLOOR CITY: CHICAGO STATE: IL ZIP: 60606 13F-HR/A 1 ubsocq207a5.txt UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 13F COVER PAGE THIS FILING LISTS SECURITIES HOLDINGS REPORTED ON THE FORM 13F FILED ON JUNE 30, 2007, PURSUANT TO A REQUEST FOR CONFIDENTIAL TREATMENT AND FOR WHICH CONFIDENTIAL TREATMENT EXPIRED ON JUNE 30, 2008. Report for the Calendar Year or Quarter Ended: JUNE 30, 2007 Check here if Amendment [X]; Amendment Number: 5 This Amendment (Check only one.): [ ] is a restatement. [X] adds new holdings entries. Institutional Investment Manager Filing this Report: Name: UBS O'Connor LLC Address: One North Wacker Drive, 32nd Floor Chicago, IL 60606 13F File Number: 28-06327 The institutional investment manager filing this report and the person by whom it is signed hereby represent that the person signing the report is authorized to submit it, that all information contained herein is true, correct and complete, and that it is understood that all required items, statements, schedules, lists, and tables, are considered integral parts of this form. Person Signing this Report on Behalf of Reporting Manager: Name: JEFFREY B. PICKERING Title: COMPLIANCE OFFICER Phone: (312)525-5951 Signature, Place, and Date of Signing: /s/ JEFFREY B. PICKERING, CHICAGO, IL AUGUST 13, 2008 Report Type (Check only one.): [X] 13F HOLDINGS REPORT. [ ] 13F NOTICE. [ ] 13F COMBINATION REPORT. FORM 13F SUMMARY PAGE Report Summary: Number of Other Included Managers: 0 Form 13F Information Table Entry Total: _8_ Form 13F Information Table Value Total: $474561 List of Other Included Managers: None Column 1 Column 2 Column 3 Column 4 Column 5 Column 6 Column 7 Column 8 Voting Authority Name of Issuer Title of CUSIP Market Shares or Shr Investment Other Sole Shared None Class Value Prn. or Discretion Managers (x1000) amount Prn Opt. TXU CORP COM 873168108 79629 1183200 SH DEFINED 1183200 0 0 XM SATELLITE RADIO HLDGS IN CLA 983759101 5823 494700 SH DEFINED 494700 0 0 NORTHWESTERN CORP COMNEW 668074305 25406 798664 SH DEFINED 798664 0 0 HARRAHS ENTMT INC COM 413619107 176369 2068598 SH DEFINED 2068598 0 0 HUNTSMAN CORP COM 447011107 30643 1260500 SH DEFINED 1260500 0 0 AFFILIATED COMPUTER SERVICE CLA 008190100 67190 1184596 SH DEFINED 1184596 0 0 ALLIANCE DATA SYSTEMS CORP COM 018581108 54294 702556 SH DEFINED 702556 0 0 ALLTEL CORP COM 020039103 35207 521195 SH DEFINED 521195 0 0
-----END PRIVACY-ENHANCED MESSAGE-----