UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 13F Form 13F COVER PAGE Report for the Calendar Year or Quarter Ended: December 31, 2010 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: Fortress Investment Group LLC Address: 1345 Avenue of the Americas, 46th Flr. New York, NY 10105 13F File Number: 028-12421 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: David Brooks Title: Secretary, VP and General Counsel Phone: 212-798-6100 Signature, Place, and Date of Signing: /s/ David Brooks New York, NY February 14, 2011 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: 8 Form 13F Information Table Entry Total: 173 Form 13F Information Table Value Total: $2,021,425 (thousands) List of Other Included Managers: Provide a numbered list of the name(s) and Form 13F file number(s) of all institutional managers with respect to which this report is filed, other than the manager filing this report. No. 13F File Number Name 1 28-12421 Fortress Investment Group LLC 2 28-12417 FIG Corp 3 28-12418 Fortress Operating Entity I LP 4 28-10806 FIG LLC 5 28-10807 Drawbridge Global Macro Advisors LLC 6 28-11237 Drawbridge Special Opportunities Advisors LLC 7 28-10162 FIG Advisors LLC 8 28-13249 Fortress Commodities Advisors LLC 9 28-13498 Fortress Macro Advisors LLC FORM 13F INFORMATION TABLE VALUE SHARES/ SH/ PUT/ INVSTMT OTHER VOTING AUTHORITY NAME OF ISSUER TITLE OF CLASS CUSIP (x$1000) PRN AMT PRN CALL DSCRETN MANAGERS SOLE SHARED NONE ------------------------------ ---------------- --------- -------- -------- --- ---- ------- ------------ -------- -------- -------- ABERCROMBIE & FITCH CO CL A 002896207 2737 47500 SH DEFINED 1 2 3 4 9 47500 0 0 ABERCROMBIE & FITCH CO CL A 002896207 940 16300 SH DEFINED 1 2 3 4 16300 0 0 ABOVENET INC COM 00374N107 5320 91000 SH DEFINED 1 2 3 91000 0 0 ACME PACKET INC COM 004764106 86 1600 SH DEFINED 1 2 3 4 1600 0 0 ACME PACKET INC COM 004764106 250 4700 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