0001011443-12-000015.txt : 20120814 0001011443-12-000015.hdr.sgml : 20120814 20120814160620 ACCESSION NUMBER: 0001011443-12-000015 CONFORMED SUBMISSION TYPE: 13F-HR/A PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20110630 FILED AS OF DATE: 20120814 DATE AS OF CHANGE: 20120814 EFFECTIVENESS DATE: 20120814 FILER: COMPANY DATA: COMPANY CONFORMED NAME: HBK INVESTMENTS L P CENTRAL INDEX KEY: 0001011443 IRS NUMBER: 752622581 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: 13F-HR/A SEC ACT: 1934 Act SEC FILE NUMBER: 028-06078 FILM NUMBER: 121032841 BUSINESS ADDRESS: STREET 1: 2101 CEDAR SPRINGS ROAD STREET 2: STE 700 CITY: DALLAS STATE: TX ZIP: 75201 BUSINESS PHONE: 2147586100 MAIL ADDRESS: STREET 1: 2101 CEDAR SPRINGS ROAD STREET 2: STE 700 CITY: DALLAS STATE: TX ZIP: 75201 13F-HR/A 1 a2q22011public13f120814.txt SCH 13F CONFIDENTIAL TO PUBLIC 06-30-2011 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 13F FORM 13F COVER PAGE Report for the Calendar Quarter ended: 06/30/2011 Check here if Amendment [X]; Amendment Number: 2 This Amendment (check only one.): [ ] is a restatement. [X] adds new holdings entries. Institutional Investment Manager Filing this Report: Name: HBK Investments L.P. (1) Address: 2101 Cedar Springs Road, Suite 700 Dallas, Texas 75201 Form 13F File Number: 28-6078 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 Report Manager: Name: Jon L. Mosle Title: General Counsel Phone: (214) 758-6107 Signature, Place, and Date of Signing: /X/ Jon L. Mosle Dallas, Texas August 14, 2012 General Counsel Report Type (Check only one.): [X] 13F HOLDINGS REPORT. [ ] 13F NOTICE. [ ] 13F COMBINATION REPORT. I AM SIGNING THIS REPORT AS REQUIRED BY THE SECURITIES EXCHANGE ACT OF 1934. FORM 13F SUMMARY PAGE Report Summary: Number of Other Included Managers: 0 Form 13F Information Table Entry Total: 3 Form 13F Information Table Value Total: $375,406 (thousands) List of Other Included Managers: NONE (1) HBK Investments L.P. has delegated discretion to vote and dispose of the securities described below to HBK Services LLC ("Services"). Services may, from time to time, delegate discretion to vote and dispose of certain of such Securities to one or more subadvisors. Each of Services and such subadvisors is under common control with HBK Investments L.P. The filing of this report shall not be deemed an admission that such subadvisors are, for the purpose of Section 13(d) or 13(g) of the Securities Exchange Act of 1934, beneficial owners of such securities. CONFIDENTIAL FORM 13F INFORMATION TABLE

TITLE OF VALUE SHARES/ SH/ PUT/ INVSTMNT OTHR VOTING AUTHORITY NAME OF ISSUER CLASS CUSIP (X$1000) PRN AMT PRN CLL DISCRETN MGRS SOLE SHRD NONE LUBRIZOL CORP COM 549271104 114081 849641 SHR SOLE 849641 0 0 NATIONAL SEMICONDUCTOR CORP COM 637640103 147660 6000000 SHR SOLE 6000000 0 0 VARIAN SEMICONDUCTOR EQUIPMN COM 922207105 113665 1850011 SHR SOLE 1850011 0 0