UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 13F Form 13F COVER PAGE Report for the Calendar Year or Quarter Ended: 6/30/2012 Check here if Amendment []; Amendment Number: ------- This Amendment (Check only one.): [] is a restatement. [] adds new holdings entries. Institutional Investment Manager Filing this Report: Name: Leucadia National Corporation Address: 315 Park Avenue South 20th Floor New York, NY 10010 Form 13F File Number: 028-11122 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 submission. Persons Signing this Report on Behalf of Reporting Manager: Name: Joseph A. Orlando Title: Vice President and Chief Financial Officer Phone: 212-460-1900 Signature, Place, and Date of Signing: /s/ Joseph A. Orlando New York, NY 8/10/2012 --------------------------------- --------------------------------- ---------- [Signature] [City, State] [Date] Report Type (Check only one): [X] 13F HOLDINGS REPORT. (Check here if all holdings of this reporting manager are reported in this report.) [ ] 13F NOTICE. (Check here if no holdings reported are in this report, and all holdings are reported by other reporting manager(s).) [ ] 13F COMBINATION REPORT. (Check here if a portion of the holdings for this reporting manager are reported in this report and a portion are reported by other reporting manager(s).) List of Other Managers Reporting for this Manager: Form 13F SUMMARY PAGE Report Summary: Number of Other Included Managers: 0 Form 13F Information Table Entry Total: 4 Form 13F Information Table Value Total: $ 1,234,048 -------------- (In Thousands) List of Other Included Managers: Provide a numbered list of the name(s) and 13F file number(s) of all institutional investment managers with respect to which this report is filed, other than the manager filing this report. NONE FORM 13F INFORMATION TABLE COLUMN 1 COLUMN 2 COLUMN 3 COLUMN 4 COLUMN 5 COLUMN 6 COLUMN 7 COLUMN 8 ------------------------ -------------- --------- -------- ------------------- ---------- -------- ---------------------- VALUE SHRS OR SH/ PUT/ INVESTMENT OTHER VOTING AUTHORITY NAME OF ISSUER TITLE OF CLASS CUSIP (x$1000) PRN AMT PRN CALL DISCRETION MANAGERS SOLE SHARED NONE ------------------------ -------------- --------- -------- ---------- --- ---- ---------- -------- ---------- ------ ---- COWEN GROUP INC NEW CL A 223622101 5,331 2,003,994 SH SOLE 2,003,994 0 0 INTL FCSTONE INC COM 46116V105 31,309 1,618,044 SH SOLE 1,618,044 0 0 JEFFERIES GROUP INC NEW COM 472319102 753,498 58,006,024 SH SOLE 58,006,024 0 0 MUELLER INDS INC COM 624756102 443,910 10,422,859 SH SOLE 10,422,859 0 0