UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 13F FORM 13F COVER PAGE Report for the Calendar Year or Quarter Ended: 12/31/2006 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 form. Person 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: Joseph A. Orlando New York, NY FEBRUARY 13, 2007 -------------------------------- ----------------- ------------------ [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 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: 8 Form 13F Information Table Value Total: $286,579 List of Other Included Managers: No. Form 13F File Number Name FORM 13F INFORMATION TABLE [Part 1 of 2] Col. 1 Col. 2 Col. 3 Col. 4 Col. 5 ------ ------ ------ ------ ------ Value Shrs or Sh/ Name of Issuer Title of Class Cusip (x$1000) Prn Amt Prn -------------- -------------- ----- -------- ------- --- Accelrys Inc COM 00430U 10 3 210 34,917 SH ALCATEL-LUCENT SPONSORED ADR 013904 30 5 591 41,533 SH EASTMAN CHEM CO COM 277432 10 0 237,600 4,006,077 SH FEI Co COM 30241L 10 9 699 26,515 SH International Assets Holding Co COM 459028 10 6 39,763 1,384,985 SH Symyx Technologies COM 87155S 10 8 432 20,000 SH Veeco Instrs Inc Del COM 922417 10 0 476 25,420 SH WINN DIXIE STORES INC COM NEW 974280 30 7 6,808 504,267 SH [Part 2 of 2] Col. 1 Col. 6 Col. 7 Col. 8 ------ ------ ------ ------ Put/ Investment Other Voting Authority Name of Issuer Call Discretion Managers Sole Shared None -------------- ---- ---------- -------- ---- ------ ---- Accelrys Inc SOLE 34,917 ALCATEL-LUCENT SOLE 41,533 EASTMAN CHEM CO SOLE 4,006,077 FEI Co SOLE 26,515 International Assets Holding Co SOLE 1,384,985 Symyx Technologies SOLE 20,000 Veeco Instrs Inc Del SOLE 25,420 WINN DIXIE STORES INC SOLE 504,267