UNITED STATES
                       SECURITIES AND EXCHANGE COMMISSION
                            Washington, D.C.  20549

                                    Form 13F

                              Form 13F COVER PAGE

Report for the Calendar Year or Quarter Ended: September 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:    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     November 14, 2012

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:    93

Form 13F Information Table Value Total:    $4,300,682 (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
------------------------------ ---------------- --------- -------- -------- --- ---- ------- ------------ -------- -------- --------
ADOBE SYS INC                  COM              00724F101     2559    78900 SH  PUT  DEFINED 1 2 3 4 9       78900        0        0
ADOBE SYS INC                  COM              00724F101      684    21100 SH  PUT  DEFINED 1 2 3 4         21100        0        0
AMAZON COM INC                 COM              023135106     3089    12146 SH       DEFINED 1 2 3 4         12146        0        0
AMAZON COM INC                 COM              023135106     9576    37654 SH       DEFINED 1 2 3 4 9       37654        0        0
AMERICAN INTL GROUP INC        COM NEW          026874784   188833  5758839 SH       DEFINED 1 2 3 4       5758839        0        0
AMERICAN INTL GROUP INC        COM NEW          026874784    22799   695314 SH       DEFINED 1 2 3 4 6      695314        0        0
ANADARKO PETE CORP             COM              032511107     2252    32200 SH       DEFINED 1 2 3 4         32200        0        0
ANADARKO PETE CORP             COM              032511107     5900    84380 SH       DEFINED 1 2 3 4 9       84380        0        0
ANGLOGOLD ASHANTI LTD          SPONSORED ADR    035128206     3657   104334 SH       DEFINED 1 2 3          104334        0        0
APACHE CORP                    COM              037411105     6900    79800 SH       DEFINED 1 2 3 4 9       79800        0        0
APACHE CORP                    COM              037411105     2785    32200 SH       DEFINED 1 2 3 4         32200        0        0
ARMOUR RESIDENTIAL REIT INC    COM              042315101     5266   687400 SH       DEFINED 1 2 3 4        687400        0        0
ARMOUR RESIDENTIAL REIT INC    COM              042315101    14433  1884150 SH       DEFINED 1 2 3 4 9     1884150        0        0
BRIGHTCOVE INC                 COM              10921T101      666    57000 SH       DEFINED 1 2 3 4         57000        0        0
BRIGHTCOVE INC                 COM              10921T101     2173   186000 SH       DEFINED 1 2 3 4 9      186000        0        0
BROOKDALE SR LIVING INC        COM              112463104   408529 17593826 SH       DEFINED 1 2 3 4      17593826        0        0
CHARTER COMMUNICATIONS INC D   CL A NEW         16117M305      375     5000 SH       DEFINED 1 2 3            5000        0        0
COMVERSE TECHNOLOGY INC        COM PAR $0.10    205862402        6      940 SH       DEFINED 1 2 3             940        0        0
CORNERSTONE ONDEMAND INC       COM              21925Y103     1328    43300 SH       DEFINED 1 2 3 4         43300        0        0
CORNERSTONE ONDEMAND INC       COM              21925Y103     4651   151700 SH       DEFINED 1 2 3 4 9      151700        0        0
COVANTA HLDG CORP              COM              22282E102        2       98 SH       DEFINED 1 2 3              98        0        0
CROWN HOLDINGS INC             COM              228368106     4116   112000 SH       DEFINED 1 2 3 4 9      112000        0        0
DEERE & CO                     COM              244199105     8084    98000 SH       DEFINED 1 2 3 4 9       98000        0        0
DEX ONE CORP                   COM              25212W100       73    58378 SH       DEFINED 1 2 3           58378        0        0
DIAMOND OFFSHORE DRILLING IN   COM              25271C102     2038    30975 SH       DEFINED 1 2 3 4         30975        0        0
DORCHESTER MINERALS LP         COM UNIT         25820R105       93     4200 SH       DEFINED 1 2 3            4200        0        0
E M C CORP MASS                COM              268648102      532    19500 SH       DEFINED 1 2 3 4         19500        0        0
E M C CORP MASS                COM              268648102     2198    80600 SH       DEFINED 1 2 3 4 9       80600        0        0
GENERAL ELECTRIC CO            COM              369604103     6018   265000 SH       DEFINED 1 2 3 4 9      265000        0        0
GENERAL GROWTH PPTYS INC NEW   COM              370023103      626    32160 SH       DEFINED 1 2 3 4         32160        0        0
GENERAL MTRS CO                COM              37045V100      307    13490 SH       DEFINED 1 2 3           13490        0        0
GENERAL MTRS CO                COM              37045V100     3094   136000 SH       DEFINED 1 2 3 4 9      136000        0        0
GENERAL MTRS CO                JR PFD CNV SRB   37045V209      685    18250 SH       DEFINED 1 2 3           18250        0        0
GENON ENERGY INC               COM              37244E107        0       28 SH       DEFINED 1 2 3              28        0        0
GLOBAL EAGLE ACQUISITION COR   UNIT 99/99/9999  37951D201      541    53937 SH       DEFINED 1 2 3 4         53937        0        0
GLOBAL EAGLE ACQUISITION COR   UNIT 99/99/9999  37951D201     1498   149341 SH       DEFINED 1 2 3 4 6      149341        0        0
GOLD FIELDS LTD NEW            SPONSORED ADR    38059T106     2596   202000 SH       DEFINED 1 2 3          202000        0        0
HERTZ GLOBAL HOLDINGS INC      COM              42805T105     2746   200000 SH       DEFINED 1 2 3 4 9      200000        0        0
HOME DEPOT INC                 COM              437076102     5071    84000 SH       DEFINED 1 2 3 4 9       84000        0        0
HOWARD HUGHES CORP             COM              44267D107      219     3081 SH       DEFINED 1 2 3 4          3081        0        0
ISHARES TR                     RUSSELL 2000     464287655     1068    12800 SH  PUT  DEFINED 1 2 3 4 9       12800        0        0
ISHARES TR                     TRANSP AVE IDX   464287192    15090   173300 SH       DEFINED 1 2 3 4        173300        0        0
ISHARES TR                     TRANSP AVE IDX   464287192    14085   161750 SH       DEFINED 1 2 3 4 9      161750        0        0
ISTAR FINL INC                 COM              45031U101      105    12680 SH       DEFINED 1 2 3 4         12680        0        0
ISTAR FINL INC                 COM              45031U101      901   108834 SH       DEFINED 1 2 3 4 6      108834        0        0
LIBERTY GLOBAL INC             COM SER A        530555101      541     8900 SH       DEFINED 1 2 3 4 9        8900        0        0
LORILLARD INC                  COM              544147101      594     5100 SH       DEFINED 1 2 3 4 9        5100        0        0
LUFKIN INDS INC                COM              549764108     2686    49900 SH       DEFINED 1 2 3 4 9       49900        0        0
MANITOWOC INC                  COM              563571108     3068   230000 SH       DEFINED 1 2 3 4 9      230000        0        0
MCDONALDS CORP                 COM              580135101      303     3300 SH       DEFINED 1 2 3 4 9        3300        0        0
METROPCS COMMUNICATIONS INC    COM              591708102      198    16896 SH       DEFINED 1 2 3           16896        0        0
NATIONAL OILWELL VARCO INC     COM              637071101     4086    51000 SH       DEFINED 1 2 3 4 9       51000        0        0
NATIONSTAR MTG HLDGS INC       COM              63861C109  2242125 67574608 SH       DEFINED 1 2 3 4      67574608        0        0
NEWCASTLE INVT CORP            COM              65105M108     7724  1025729 SH       DEFINED 1             1025729        0        0
NEWCASTLE INVT CORP            COM              65105M108     1443   191600 SH       DEFINED 1 2 3          191600        0        0
NXP SEMICONDUCTORS N V         COM              N6596X109     2589   103500 SH       DEFINED 1 2 3 4 9      103500        0        0
NXP SEMICONDUCTORS N V         COM              N6596X109      693    27700 SH       DEFINED 1 2 3 4         27700        0        0
PENN NATL GAMING INC           COM              707569109     6805   157823 SH       DEFINED 1 2 3 4        157823        0        0
PHILIP MORRIS INTL INC         COM              718172109      603     6700 SH       DEFINED 1 2 3 4 9        6700        0        0
PPG INDS INC                   COM              693506107     5742    50000 SH       DEFINED 1 2 3 4 9       50000        0        0
PRIMORIS SVCS CORP             COM              74164F103      682    52280 SH       DEFINED 1 2 3 4         52280        0        0
RACKSPACE HOSTING INC          COM              750086100      251     3800 SH       DEFINED 1 2 3 4          3800        0        0
RACKSPACE HOSTING INC          COM              750086100      938    14200 SH       DEFINED 1 2 3 4 9       14200        0        0
RAILAMERICA INC                COM              750753402   833715 30350000 SH       DEFINED 1 2 3 4      30350000        0        0
RALPH LAUREN CORP              CL A             751212101      302     2000 SH       DEFINED 1 2 3 4 9        2000        0        0
RAYTHEON CO                    COM NEW          755111507     6859   120000 SH       DEFINED 1 2 3 4 9      120000        0        0
ROUSE PPTYS INC                COM              779287101       17     1206 SH       DEFINED 1 2 3 4          1206        0        0
SALESFORCE COM INC             COM              79466L302     5086    33300 SH       DEFINED 1 2 3 4 9       33300        0        0
SALESFORCE COM INC             COM              79466L302     1358     8900 SH       DEFINED 1 2 3 4          8900        0        0
SEACUBE CONTAINER LEASING LT   SHS              G79978105   157315  8390119 SH       DEFINED 1 2 3 4       8390119        0        0
SPANSION INC                   COM CL A NEW     84649R200    10901   914518 SH       DEFINED 1 2 3          914518        0        0
SPDR GOLD TRUST                GOLD SHS         78463V107    48989   285000 SH  CALL DEFINED 1 2 3          285000        0        0
SPX CORP                       COM              784635104     6083    93000 SH       DEFINED 1 2 3 4 9       93000        0        0
STANLEY BLACK & DECKER INC     COM              854502101     6100    80000 SH       DEFINED 1 2 3 4 9       80000        0        0
STARBUCKS CORP                 COM              855244109      309     6100 SH       DEFINED 1 2 3 4 9        6100        0        0
SUPERMEDIA INC                 COM              868447103        5     2004 SH       DEFINED 1 2 3            2004        0        0
SYNAPTICS INC                  COM              87157D109      507    21100 SH  PUT  DEFINED 1 2 3 4         21100        0        0
SYNAPTICS INC                  COM              87157D109     1895    78900 SH  PUT  DEFINED 1 2 3 4 9       78900        0        0
TEXAS INSTRS INC               COM              882508104      873    31700 SH  PUT  DEFINED 1 2 3 4         31700        0        0
TEXAS INSTRS INC               COM              882508104     3260   118300 SH  PUT  DEFINED 1 2 3 4 9      118300        0        0
TYCO INTERNATIONAL LTD         SHS              H89128104     3953   143000 SH       DEFINED 1 2 3 4 9      143000        0        0
ULTIMATE SOFTWARE GROUP INC    COM              90385D107     1828    17900 SH  CALL DEFINED 1 2 3 4         17900        0        0
ULTIMATE SOFTWARE GROUP INC    COM              90385D107     5524    54100 SH  CALL DEFINED 1 2 3 4 9       54100        0        0
UNIVERSAL HLTH SVCS INC        CL B             913903100     2872    62800 SH  CALL DEFINED 1 2 3 4         62800        0        0
UNIVERSAL HLTH SVCS INC        CL B             913903100     7190   157200 SH  CALL DEFINED 1 2 3 4 9      157200        0        0
VMWARE INC                     CL A COM         928563402    11846   122447 SH       DEFINED 1 2 3 4        122447        0        0
VMWARE INC                     CL A COM         928563402    30874   319153 SH       DEFINED 1 2 3 4 9      319153        0        0
WALKER & DUNLOP INC            COM              93148P102    89509  5823628 SH       DEFINED 1 2 3 4       5823628        0        0
WELLS FARGO & CO NEW           COM              949746101     1132    32800 SH       DEFINED 1 2 3 4         32800        0        0
WELLS FARGO & CO NEW           COM              949746101     2838    82200 SH       DEFINED 1 2 3 4 9       82200        0        0
WESTERN ASSET MTG CAP CORP     COM              95790D105     5512   248300 SH       DEFINED 1 2 3 4        248300        0        0
WESTERN ASSET MTG CAP CORP     COM              95790D105    14468   651700 SH       DEFINED 1 2 3 4 9      651700        0        0
WILLBROS GROUP INC DEL         COM              969203108      244    45350 SH       DEFINED 1 2 3 4         45350        0        0