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, 2009

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:  28-12421

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 16, 2009

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

Form13F Information Table Entry Total:     113

Form13F Information Table Value Total:     $1,627,928 (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
------------------------------ ---------------- --------- -------- -------- --- ---- ------- ------------ -------- -------- --------
AIRCASTLE LTD                  COM              G0129K104     2764   285875 SH       DEFINED 1 2 3          285875        0        0
AIRCASTLE LTD                  COM              G0129K104   210323 21750002 SH       DEFINED 1 2 3 4      21750002        0        0
AIRCASTLE LTD                  COM              G0129K104    35054  3625000 SH       DEFINED 1 2 3 4 5     3625000        0        0
AIRCASTLE LTD                  COM              G0129K104    37712  3900000 SH       DEFINED 1 2 3 4 6     3900000        0        0
ALCOA INC                      COM              013817101      853    65000 SH       DEFINED 1 2 3 4 8       65000        0        0
ANGLOGOLD ASHANTI LTD          SPONSORED ADR    035128206     4253   104334 SH       DEFINED 1 2 3          104334        0        0
AVIS BUDGET GROUP              COM              053774105     1336   100000 SH  PUT  DEFINED 1 2 3 4 8      100000        0        0
AVON PRODS INC                 COM              054303102      968    28500 SH  PUT  DEFINED 1 2 3 4 8       28500        0        0
BANK OF AMERICA CORPORATION    COM              060505104     8750   500000 SH  CALL DEFINED 1 2 3 4 8      500000        0        0
BARRICK GOLD CORP              COM              067901108     1690    44600 SH       DEFINED 1 2 3 4 8       44600        0        0
BARRICK GOLD CORP              COM              067901108     6269   165400 SH       DEFINED 1 2 3 4 9      165400        0        0
BARRICK GOLD CORP              COM              067901108    17055   450000 SH  CALL DEFINED 1 2 3 4 8      450000        0        0
BJS WHOLESALE CLUB INC         COM              05548J106     6969   192400 SH       DEFINED 1 2 3 4 8      192400        0        0
BOYD GAMING CORP               COM              103304101     1854   156200 SH  PUT  DEFINED 1 2 3 4 8      156200        0        0
BROOKDALE SR LIVING INC        COM              112463104   937487 51709177 SH       DEFINED 1 2 3 4      51709177        0        0
BROOKDALE SR LIVING INC        COM              112463104     2267   125000 SH       DEFINED 1 2 3 4 6      125000        0        0
BROOKDALE SR LIVING INC        COM              112463104    14981   826292 SH       DEFINED 1 2 3 4 7      826292        0        0
BRUNSWICK CORP                 COM              117043109      149    12412 SH       DEFINED 1 2 3 4 8       12412        0        0
BRUNSWICK CORP                 COM              117043109    15973  1333300 SH  PUT  DEFINED 1 2 3 4 8     1333300        0        0
C H ROBINSON WORLDWIDE INC     COM NEW          12541W209      982    17000 SH  PUT  DEFINED 1 2 3 4 8       17000        0        0
CAPITOL ACQUISITION CORP DEL   *W EXP 11/08/201 14055E112      450   750000 SH       DEFINED 1 2 3 4 6      750000        0        0
CARNIVAL CORP                  PAIRED CTF       143658300      666    20000 SH  CALL DEFINED 1 2 3 4 8       20000        0        0
CARNIVAL CORP                  PAIRED CTF       143658300     5325   160000 SH  PUT  DEFINED 1 2 3 4 8      160000        0        0
CHESAPEAKE ENERGY CORP         COM              165167107     2272    80000 SH  CALL DEFINED 1 2 3 4 8       80000        0        0
CHESAPEAKE ENERGY CORP         COM              165167107     2272    80000 SH  PUT  DEFINED 1 2 3 4 8       80000        0        0
CHINA HLDGS ACQUISITION CORP   *W EXP 11/16/201 16942N114      318   990000 SH       DEFINED 1 2 3 4 6      990000        0        0
DANA HOLDING CORP              COM              235825205     6624   972625 SH       DEFINED 1 2 3 4 6      972625        0        0
DIAMOND OFFSHORE DRILLING IN   COM              25271C102     2959    30975 SH       DEFINED 1 2 3 4         30975        0        0
EBAY INC                       COM              278642103     6556   277700 SH       DEFINED 1 2 3 4 8      277700        0        0
ENTERPRISE ACQUISITION CORP    *W EXP 11/07/201 29365R116      150   500000 SH       DEFINED 1 2 3 4 6      500000        0        0
FEDEX CORP                     COM              31428X106     2256    29500 SH  PUT  DEFINED 1 2 3 4 8       29500        0        0
FORD MTR CO DEL                COM PAR $0.01    345370860      123    17000 SH       DEFINED 1 2 3 4 8       17000        0        0
FORD MTR CO DEL                COM PAR $0.01    345370860     2163   300000 SH  PUT  DEFINED 1 2 3 4 8      300000        0        0
GAP INC DEL                    COM              364760108     6739   314900 SH       DEFINED 1 2 3 4 8      314900        0        0
GENCO SHIPPING & TRADING LTD   SHS              Y2685T107      312    15000 SH  PUT  DEFINED 1 2 3 4 8       15000        0        0
GENERAL ELECTRIC CO            COM              369604103     4401   268000 SH  PUT  DEFINED 1 2 3 4 8      268000        0        0
GENESIS LEASE LTD              ADR              37183T107     2015   225200 SH       DEFINED 1 2 3          225200        0        0
GLOBAL BRANDS ACQUISITION CO   *W EXP 12/06/201 378982110      300  1500000 SH       DEFINED 1 2 3 4 6     1500000        0        0
GLOBAL CONSUMER ACQST CORP     *W EXP 11/27/201 378983118      418   575500 SH       DEFINED 1 2 3 4 6      575500        0        0
GOLD FIELDS LTD NEW            SPONSORED ADR    38059T106     2783   202000 SH       DEFINED 1 2 3          202000        0        0
GOLDEN POND HEALTHCARE INC     *W EXP 11/06/201 38116J117        3   750000 SH       DEFINED 1 2 3 4 6      750000        0        0
GOOGLE INC                     CL A             38259P508     7438    15000 SH       DEFINED 1 2 3 4 8       15000        0        0
GRAINGER W W INC               COM              384802104    18766   210000 SH  PUT  DEFINED 1 2 3 4 8      210000        0        0
HALLIBURTON CO                 COM              406216101      336    12400 SH       DEFINED 1 2 3 4 8       12400        0        0
HALLIBURTON CO                 COM              406216101     1427    52600 SH       DEFINED 1 2 3 4 9       52600        0        0
HASBRO INC                     COM              418056107     6205   223600 SH       DEFINED 1 2 3 4 8      223600        0        0
IDEATION ACQUISITION CORP      *W EXP 11/19/201 451665111      412   250000 SH       DEFINED 1 2 3 4 6      250000        0        0
INTL PAPER CO                  COM              460146103      489    22000 SH       DEFINED 1 2 3 4 8       22000        0        0
ITT EDUCATIONAL SERVICES INC   COM              45068B109     1380    12500 SH  PUT  DEFINED 1 2 3 4 8       12500        0        0
KB HOME                        COM              48666K109     1993   120000 SH       DEFINED 1 2 3 4 8      120000        0        0
KB HOME                        COM              48666K109     1593    95900 SH  CALL DEFINED 1 2 3 4 8       95900        0        0
KB HOME                        COM              48666K109     6712   404100 SH  CALL DEFINED 1 2 3 4 9      404100        0        0
KROGER CO                      COM              501044101    32797  1589000 SH       DEFINED 1 2 3 4 8     1589000        0        0
LIBERTY ACQUISITION HLDGS CO   *W EXP 12/12/201 53015Y115      203   336900 SH       DEFINED 1 2 3 4 6      336900        0        0
LIBERTY ACQUISITION HLDGS CO   COM              53015Y107      454    33191 SH       DEFINED 1 2 3 4 6       33191        0        0
LOWES COS INC                  COM              548661107     6056   289200 SH       DEFINED 1 2 3 4 8      289200        0        0
MACYS INC                      COM              55616P104     1829   100000 SH  PUT  DEFINED 1 2 3 4 8      100000        0        0
MARKET VECTORS ETF TR          GOLD MINER ETF   57060U100     2962    65400 SH       DEFINED 1 2 3 4 8       65400        0        0
MARKET VECTORS ETF TR          GOLD MINER ETF   57060U100    10399   229600 SH       DEFINED 1 2 3 4 9      229600        0        0
MASCO CORP                     COM              574599106      996    77100 SH       DEFINED 1 2 3 4 8       77100        0        0
MCDONALDS CORP                 COM              580135101     6340   111100 SH       DEFINED 1 2 3 4 8      111100        0        0
MGM MIRAGE                     COM              552953101    12613  1039000 SH  PUT  DEFINED 1 2 3 4 8     1039000        0        0
MOHAWK INDS INC                COM              608190104      477    10000 SH  CALL DEFINED 1 2 3 4 8       10000        0        0
MOHAWK INDS INC                COM              608190104     1192    25000 SH  PUT  DEFINED 1 2 3 4 8       25000        0        0
NABORS INDUSTRIES LTD          SHS              G6359F103      297    14200 SH       DEFINED 1 2 3 4 8       14200        0        0
NABORS INDUSTRIES LTD          SHS              G6359F103     1208    57800 SH       DEFINED 1 2 3 4 9       57800        0        0
NAVIOS MARITIME ACQUIS CORP    *W EXP 06/25/201 Y62159119      912  1250000 SH       DEFINED 1 2 3 4 6     1250000        0        0
NEWCASTLE INVT CORP            COM              65105M108     3046  1025729 SH       DEFINED 1             1025729        0        0
NEWCASTLE INVT CORP            COM              65105M108      569   191600 SH       DEFINED 1 2 3          191600        0        0
NEWS CORP                      CL A             65248E104     6684   557500 SH       DEFINED 1 2 3 4 8      557500        0        0
NORTHWESTERN CORP              COM NEW          668074305    20652   845347 SH       DEFINED 1 2 3 4        845347        0        0
NUCOR CORP                     COM              670346105     1175    25000 SH  CALL DEFINED 1 2 3 4 8       25000        0        0
NUCOR CORP                     COM              670346105     1175    25000 SH  PUT  DEFINED 1 2 3 4 8       25000        0        0
ODYSSEY MARINE EXPLORATION I   COM              676118102     1790   962502 SH       DEFINED 1 2 3 4 5      962502        0        0
OIL SVC HOLDRS TR              DEPOSTRY RCPT    678002106     1961    16700 SH       DEFINED 1 2 3 4 8       16700        0        0
OIL SVC HOLDRS TR              DEPOSTRY RCPT    678002106     8020    68300 SH       DEFINED 1 2 3 4 9       68300        0        0
PACCAR INC                     COM              693718108     2278    60000 SH  PUT  DEFINED 1 2 3 4 8       60000        0        0
PARKER HANNIFIN CORP           COM              701094104      389     7500 SH       DEFINED 1 2 3 4 8        7500        0        0
PARKER HANNIFIN CORP           COM              701094104     1384    26700 SH       DEFINED 1 2 3 4 9       26700        0        0
PAYCHEX INC                    COM              704326107      726    25000 SH  PUT  DEFINED 1 2 3 4 8       25000        0        0
PEABODY ENERGY CORP            COM              704549104      372    10000 SH       DEFINED 1 2 3 4 8       10000        0        0
PEABODY ENERGY CORP            COM              704549104     1526    41000 SH       DEFINED 1 2 3 4 9       41000        0        0
PENN NATL GAMING INC           COM              707569109     4353   157377 SH       DEFINED 1 2 3 4        157377        0        0
POLARIS INDS INC               COM              731068102      619    15000 SH  PUT  DEFINED 1 2 3 4 8       15000        0        0
POWERSHARES QQQ TRUST          UNIT SER 1       73935A104            510300 SH  PUT  DEFINED 1 2 3 4 8      510300        0        0
PROSPECT ACQUISITION CORP      *W EXP 11/14/201 74347T111      569   924800 SH       DEFINED 1 2 3 4 6      924800        0        0
RALCORP HLDGS INC NEW          COM              751028101     5689    97300 SH       DEFINED 1 2 3 4 8       97300        0        0
SAKS INC                       COM              79377W108      134    19600 SH       DEFINED 1 2 3 4 8       19600        0        0
SAKS INC                       COM              79377W108     1364   200000 SH  PUT  DEFINED 1 2 3 4 8      200000        0        0
SAPPHIRE INDUSTRIALS CORP      *W EXP 01/17/201 80306T117      416  1000000 SH       DEFINED 1 2 3 4 6     1000000        0        0
SCHLUMBERGER LTD               COM              806857108      811    13600 SH       DEFINED 1 2 3 4 8       13600        0        0
SCHLUMBERGER LTD               COM              806857108     3361    56400 SH       DEFINED 1 2 3 4 9       56400        0        0
SLM CORP                       COM              78442P106      248    28400 SH       DEFINED 1 2 3 4 8       28400        0        0
SLM CORP                       COM              78442P106    24237  2779500 SH  PUT  DEFINED 1 2 3 4 8     2779500        0        0
SMITHFIELD FOODS INC           COM              832248108     8244   597400 SH  PUT  DEFINED 1 2 3 4 8      597400        0        0
SPDR SERIES TRUST              S&P RETAIL ETF   78464A714     5841   170000 SH  PUT  DEFINED 1 2 3 4 8      170000        0        0
SPDR TR                        UNIT SER 1       78462F103            219000 SH  PUT  DEFINED 1 2 3 4 8      219000        0        0
SPX CORP                       COM              784635104      432     7050 SH       DEFINED 1 2 3 4 8        7050        0        0
SPX CORP                       COM              784635104     1623    26495 SH       DEFINED 1 2 3 4 9       26495        0        0
STARWOOD HOTELS&RESORTS WRLD   COM              85590A401      727    22000 SH       DEFINED 1 2 3 4 8       22000        0        0
TRANSOCEAN LTD                 REG SHS          H8817H100     1009    11800 SH       DEFINED 1 2 3 4 8       11800        0        0
TRANSOCEAN LTD                 REG SHS          H8817H100     4123    48200 SH       DEFINED 1 2 3 4 9       48200        0        0
TREMISIS ENERGY ACQ CORP II    *W EXP 12/05/201 89472N119      220  1100000 SH       DEFINED 1 2 3 4 6     1100000        0        0
TRIAN ACQUISITION I CORP       *W EXP 01/23/201 89582E116      371   798200 SH       DEFINED 1 2 3 4 6      798200        0        0
TRIPLECROWN ACQUISITION CORP   *W EXP 10/22/201 89677G117      243  2559500 SH       DEFINED 1 2 3 4 6     2559500        0        0
UNITED REFINING ENERGY CORP    *W EXP 12/11/201 911360113      448  1600000 SH       DEFINED 1 2 3 4 6     1600000        0        0
UNITED STATES STL CORP NEW     COM              912909108      471    10620 SH       DEFINED 1 2 3 4 8       10620        0        0
UNITED STATES STL CORP NEW     COM              912909108     1562    35200 SH       DEFINED 1 2 3 4 9       35200        0        0
UNITED STATES STL CORP NEW     COM              912909108     2844    64100 SH  CALL DEFINED 1 2 3 4 8       64100        0        0
UNITED STATES STL CORP NEW     COM              912909108    11576   260900 SH  CALL DEFINED 1 2 3 4 9      260900        0        0
WAL MART STORES INC            COM              931142103     5699   116100 SH       DEFINED 1 2 3 4 8      116100        0        0
WILLBROS GROUP INC DEL         COM              969203108      691    45350 SH       DEFINED 1 2 3 4         45350        0        0
YUM BRANDS INC                 COM              988498101     5976   177000 SH       DEFINED 1 2 3 4 8      177000        0        0