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, 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:    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 12, 2013

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:    104

Form 13F Information Table Value Total:    $3,321,960 (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    028-12421             Fortress Investment Group LLC
2    028-12417             FIG Corp
3    028-12418             Fortress Operating Entity I LP
4    028-10806             FIG LLC
5    028-10807             Drawbridge Global Macro Advisors LLC
6    028-11237             Drawbridge Special Opportunities Advisors LLC
7    028-10162             FIG Advisors LLC
8    028-13249             Fortress Commodities Advisors LLC
9    028-13498             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
------------------------------ ---------------- --------- -------- -------- --- ---- ------- ------------ -------- -------- --------
ALTERA CORP                    COM              021441100     5294   153700 SH       DEFINED 1 2 3 4 9      153700        0        0
ALTERA CORP                    COM              021441100     1790    52000 SH       DEFINED 1 2 3 4         52000        0        0
AMAZON COM INC                 COM              023135106      804     3200 SH       DEFINED 1 2 3 4          3200        0        0
AMAZON COM INC                 COM              023135106     2410     9600 SH       DEFINED 1 2 3 4 9        9600        0        0
AMERICAN INTL GROUP INC        COM NEW          026874784   203286  5758814 SH       DEFINED 1 2 3 4       5758814        0        0
AMERICAN INTL GROUP INC        COM NEW          026874784    24545   695339 SH       DEFINED 1 2 3 4 6      695339        0        0
ANADARKO PETE CORP             COM              032511107     1144    15400 SH  CALL DEFINED 1 2 3 4         15400        0        0
ANADARKO PETE CORP             COM              032511107     6643    89400 SH  CALL DEFINED 1 2 3 4 9       89400        0        0
ANGLOGOLD ASHANTI LTD          SPONSORED ADR    035128206     3273   104334 SH       DEFINED 1 2 3          104334        0        0
ARCH COAL INC                  COM              039380100      176    24000 SH       DEFINED 1 2 3 4         24000        0        0
ARCH COAL INC                  COM              039380100      288    39400 SH       DEFINED 1 2 3 4 9       39400        0        0
ARM HLDGS PLC                  SPONSORED ADR    042068106     1184    31300 SH       DEFINED 1 2 3 4 9       31300        0        0
ARM HLDGS PLC                  SPONSORED ADR    042068106      204     5400 SH       DEFINED 1 2 3 4          5400        0        0
BRIGHTCOVE INC                 COM              10921T101      647    71600 SH       DEFINED 1 2 3 4         71600        0        0
BRIGHTCOVE INC                 COM              10921T101     2252   249100 SH       DEFINED 1 2 3 4 9      249100        0        0
BROOKDALE SR LIVING INC        COM              112463104   445476 17593826 SH       DEFINED 1 2 3 4      17593826        0        0
CADENCE DESIGN SYSTEM INC      COM              127387108      390    28900 SH       DEFINED 1 2 3 4         28900        0        0
CADENCE DESIGN SYSTEM INC      COM              127387108     2263   167500 SH       DEFINED 1 2 3 4 9      167500        0        0
CATERPILLAR INC DEL            COM              149123101      546     6100 SH       DEFINED 1 2 3 4          6100        0        0
CATERPILLAR INC DEL            COM              149123101      887     9900 SH       DEFINED 1 2 3 4 9        9900        0        0
CBS CORP NEW                   CL B             124857202      559    14700 SH  PUT  DEFINED 1 2 3 4         14700        0        0
CBS CORP NEW                   CL B             124857202     3246    85300 SH  PUT  DEFINED 1 2 3 4 9       85300        0        0
CHARTER COMMUNICATIONS INC D   CL A NEW         16117M305      381     5000 SH       DEFINED 1 2 3            5000        0        0
CLIFFS NATURAL RESOURCES INC   COM              18683K101      273     7100 SH       DEFINED 1 2 3 4          7100        0        0
CLIFFS NATURAL RESOURCES INC   COM              18683K101      783    20300 SH       DEFINED 1 2 3 4 9       20300        0        0
COMVERSE INC                   COM              20585P105        3       94 SH       DEFINED 1 2 3              94        0        0
COMVERSE TECHNOLOGY INC        COM PAR $0.10    205862402        4      940 SH       DEFINED 1 2 3             940        0        0
CORNERSTONE ONDEMAND INC       COM              21925Y103     1957    66241 SH       DEFINED 1 2 3 4         66241        0        0
CORNERSTONE ONDEMAND INC       COM              21925Y103     7437   251859 SH       DEFINED 1 2 3 4 9      251859        0        0
COVANTA HLDG CORP              COM              22282E102        2       98 SH       DEFINED 1 2 3              98        0        0
CROWN HOLDINGS INC             COM              228368106     4933   134000 SH       DEFINED 1 2 3 4 9      134000        0        0
CUMMINS INC                    COM              231021106     3034    28000 SH       DEFINED 1 2 3 4 9       28000        0        0
DEX ONE CORP                   COM              25212W100       92    58378 SH       DEFINED 1 2 3           58378        0        0
DIAMOND OFFSHORE DRILLING IN   COM              25271C102     2105    30975 SH       DEFINED 1 2 3 4         30975        0        0
DORCHESTER MINERALS LP         COM UNIT         25820R105       85     4200 SH       DEFINED 1 2 3            4200        0        0
EATON CORP PLC                 SHS              G29183103      449     8300 SH       DEFINED 1 2 3 4          8300        0        0
EATON CORP PLC                 SHS              G29183103     5837   107700 SH       DEFINED 1 2 3 4 9      107700        0        0
EBAY INC                       COM              278642103     2031    39800 SH       DEFINED 1 2 3 4 9       39800        0        0
EBAY INC                       COM              278642103      352     6900 SH       DEFINED 1 2 3 4          6900        0        0
GENERAL DYNAMICS CORP          COM              369550108      560     8100 SH       DEFINED 1 2 3 4          8100        0        0
GENERAL DYNAMICS CORP          COM              369550108      907    13100 SH       DEFINED 1 2 3 4 9       13100        0        0
GENERAL GROWTH PPTYS INC NEW   COM              370023103      638    32160 SH       DEFINED 1 2 3 4         32160        0        0
GENERAL MTRS CO                COM              37045V100      389    13490 SH       DEFINED 1 2 3           13490        0        0
GLOBAL EAGLE ACQUISITION COR   UNIT 99/99/9999  37951D201      587    53937 SH       DEFINED 1 2 3 4         53937        0        0
GLOBAL EAGLE ACQUISITION COR   UNIT 99/99/9999  37951D201     1626   149341 SH       DEFINED 1 2 3 4 6      149341        0        0
GOLAR LNG PARTNERS LP          COM UNIT LPI     Y2745C102      952    31884 SH       DEFINED 1 2 3 4         31884        0        0
GOLAR LNG PARTNERS LP          COM UNIT LPI     Y2745C102    13227   443116 SH       DEFINED 1 2 3 4 6      443116        0        0
GOLD FIELDS LTD NEW            SPONSORED ADR    38059T106     2523   202000 SH       DEFINED 1 2 3          202000        0        0
GRAINGER W W INC               COM              384802104      465     2300 SH       DEFINED 1 2 3 4          2300        0        0
GRAINGER W W INC               COM              384802104      769     3800 SH       DEFINED 1 2 3 4 9        3800        0        0
HONEYWELL INTL INC             COM              438516106      552     8700 SH       DEFINED 1 2 3 4          8700        0        0
HONEYWELL INTL INC             COM              438516106     3053    48100 SH       DEFINED 1 2 3 4 9       48100        0        0
HOWARD HUGHES CORP             COM              44267D107      225     3081 SH       DEFINED 1 2 3 4          3081        0        0
INGERSOLL-RAND PLC             SHS              G47791101      446     9300 SH       DEFINED 1 2 3 4          9300        0        0
INGERSOLL-RAND PLC             SHS              G47791101     6868   143200 SH       DEFINED 1 2 3 4 9      143200        0        0
ISTAR FINL INC                 COM              45031U101      103    12680 SH       DEFINED 1 2 3 4         12680        0        0
ISTAR FINL INC                 COM              45031U101      887   108834 SH       DEFINED 1 2 3 4 6      108834        0        0
LOWES COS INC                  COM              548661107      355    10000 SH       DEFINED 1 2 3 4         10000        0        0
LOWES COS INC                  COM              548661107      579    16300 SH       DEFINED 1 2 3 4 9       16300        0        0
MARKET VECTORS ETF TR          SEMICONDUCTOR    57060U233      512    15900 SH       DEFINED 1 2 3 4 9       15900        0        0
MERCADOLIBRE INC               COM              58733R102     1155    14700 SH  PUT  DEFINED 1 2 3 4         14700        0        0
MERCADOLIBRE INC               COM              58733R102     6700    85300 SH  PUT  DEFINED 1 2 3 4 9       85300        0        0
METROPCS COMMUNICATIONS INC    COM              591708102      168    16896 SH       DEFINED 1 2 3           16896        0        0
NATIONSTAR MTG HLDGS INC       COM              63861C109  2040236 65856551 SH       DEFINED 1 2 3 4      65856551        0        0
NEWCASTLE INVT CORP            COM              65105M108     8903  1025729 SH       DEFINED 1             1025729        0        0
NEWCASTLE INVT CORP            COM              65105M108     1663   191600 SH       DEFINED 1 2 3          191600        0        0
NRG ENERGY INC                 COM NEW          629377508        1        3 SH       DEFINED 1 2 3               3        0        0
PEABODY ENERGY CORP            COM              704549104      178     6700 SH       DEFINED 1 2 3 4          6700        0        0
PEABODY ENERGY CORP            COM              704549104      292    11000 SH       DEFINED 1 2 3 4 9       11000        0        0
PENN NATL GAMING INC           COM              707569109     7751   157823 SH       DEFINED 1 2 3 4        157823        0        0
POWERSHARES QQQ TRUST          UNIT SER 1       73935A104     2871    44100 SH  PUT  DEFINED 1 2 3 4         44100        0        0
POWERSHARES QQQ TRUST          UNIT SER 1       73935A104    16662   255900 SH  PUT  DEFINED 1 2 3 4 9      255900        0        0
PRIMORIS SVCS CORP             COM              74164F103      786    52280 SH       DEFINED 1 2 3 4         52280        0        0
ROCKWELL AUTOMATION INC        COM              773903109     3108    37000 SH       DEFINED 1 2 3 4 9       37000        0        0
ROCKWELL COLLINS INC           COM              774341101      552     9500 SH       DEFINED 1 2 3 4          9500        0        0
ROCKWELL COLLINS INC           COM              774341101     4560    78400 SH       DEFINED 1 2 3 4 9       78400        0        0
ROUSE PPTYS INC                COM              779287101       20     1206 SH       DEFINED 1 2 3 4          1206        0        0
SEACUBE CONTAINER LEASING LT   SHS              G79978105   158154  8390119 SH       DEFINED 1 2 3 4       8390119        0        0
SEADRILL PARTNERS LLC          COMUNIT REP LB   Y7545W109     1197    46643 SH       DEFINED 1 2 3 4 6       46643        0        0
SEADRILL PARTNERS LLC          COMUNIT REP LB   Y7545W109       86     3357 SH       DEFINED 1 2 3 4          3357        0        0
SELECT SECTOR SPDR TR          SBI MATERIALS    81369Y100      739    19700 SH       DEFINED 1 2 3 4         19700        0        0
SELECT SECTOR SPDR TR          SBI MATERIALS    81369Y100     1220    32500 SH       DEFINED 1 2 3 4 9       32500        0        0
SPANSION INC                   COM CL A NEW     84649R200    12735   915518 SH       DEFINED 1 2 3          915518        0        0
SPDR GOLD TRUST                GOLD SHS         78463V107    46176   285000 SH  CALL DEFINED 1 2 3          285000        0        0
SPLUNK INC                     COM              848637104      343    11800 SH       DEFINED 1 2 3 4         11800        0        0
SPLUNK INC                     COM              848637104     1175    40500 SH       DEFINED 1 2 3 4 9       40500        0        0
STARBUCKS CORP                 COM              855244109     1421    26500 SH       DEFINED 1 2 3 4         26500        0        0
STARBUCKS CORP                 COM              855244109     6574   122600 SH       DEFINED 1 2 3 4 9      122600        0        0
SUPERMEDIA INC                 COM              868447103        7     2004 SH       DEFINED 1 2 3            2004        0        0
TRONOX LTD                     SHS CL A         Q9235V101      564    30900 SH       DEFINED 1 2 3 4 9       30900        0        0
TRONOX LTD                     SHS CL A         Q9235V101      343    18800 SH       DEFINED 1 2 3 4         18800        0        0
TYCO INTERNATIONAL LTD         SHS              H89128104     3218   110000 SH       DEFINED 1 2 3 4 9      110000        0        0
UNITED CONTL HLDGS INC         COM              910047109     3558   152200 SH       DEFINED 1 2 3 4 9      152200        0        0
UNITED CONTL HLDGS INC         COM              910047109      315    13500 SH       DEFINED 1 2 3 4         13500        0        0
UNITED RENTALS INC             COM              911363109      460    10100 SH       DEFINED 1 2 3 4         10100        0        0
UNITED RENTALS INC             COM              911363109     4939   108500 SH       DEFINED 1 2 3 4 9      108500        0        0
VMWARE INC                     CL A COM         928563402      766     8142 SH       DEFINED 1 2 3 4          8142        0        0
VMWARE INC                     CL A COM         928563402     5027    53403 SH       DEFINED 1 2 3 4 9       53403        0        0
WALKER & DUNLOP INC            COM              93148P102   194043 11647255 SH       DEFINED 1 2 3 4      11647255        0        0
WESTERN ASSET MTG CAP CORP     COM              95790D105      316    15971 SH       DEFINED 1 2 3 4         15971        0        0
WESTERN ASSET MTG CAP CORP     COM              95790D105      848    42928 SH       DEFINED 1 2 3 4 9       42928        0        0
WILLBROS GROUP INC DEL         COM              969203108      243    45350 SH       DEFINED 1 2 3 4         45350        0        0
YUM BRANDS INC                 COM              988498101     7337   110500 SH  PUT  DEFINED 1 2 3 4 9      110500        0        0
YUM BRANDS INC                 COM              988498101     1262    19000 SH  PUT  DEFINED 1 2 3 4         19000        0        0