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

                                    Form 13F

                              Form 13F COVER PAGE

Report for the Calendar Year or Quarter Ended: March 31, 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     May 15, 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:         7

Form13F Information Table Entry Total:     91

Form13F Information Table Value Total:     $661,856 (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





                                    
                                                     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
------------------------------ ---------------- --------- -------- -------- --- ---- ------- ------------ -------- -------- --------
ADVANCED TECHNOLOGY ACQU COR   *W EXP 06/18/201 007556111       11  1856250 SH       DEFINED 1 2 3 4 6     1856250        0        0
AIRCASTLE LTD                  COM              G0129K104   101137 21750002 SH       DEFINED 1 2 3 4      21750002        0        0
AIRCASTLE LTD                  COM              G0129K104    16856  3625000 SH       DEFINED 1 2 3 4 5     3625000        0        0
AIRCASTLE LTD                  COM              G0129K104    19465  4185875 SH       DEFINED 1 2 3 4 6     4185875        0        0
ALCOA INC                      COM              013817101     1354   161200 SH  CALL DEFINED 1 2 3 4 5      161200        0        0
ALCOA INC                      COM              013817101     7046   838800 SH  CALL DEFINED 1 2 3 4 8      838800        0        0
ALLEGHENY ENERGY INC           COM              017361106     6905   298000 SH       DEFINED 1 2 3 4 5      298000        0        0
ALTERNATIVE ASSET MGMT ACQU    *W EXP 08/01/201 02149U119       12  1210250 SH       DEFINED 1 2 3 4 6     1210250        0        0
ANGLOGOLD ASHANTI LTD          SPONSORED ADR    035128206     3836   104334 SH       DEFINED 1 2 3 4 6      104334        0        0
BARRICK GOLD CORP              COM              067901108      272     8400 SH       DEFINED 1 2 3 4 5        8400        0        0
BARRICK GOLD CORP              COM              067901108     1229    37900 SH       DEFINED 1 2 3 4 8       37900        0        0
BROOKDALE SR LIVING INC        COM              112463104   215163 42606469 SH       DEFINED 1 2 3 4      42606469        0        0
BROOKDALE SR LIVING INC        COM              112463104      631   125000 SH       DEFINED 1 2 3 4 6      125000        0        0
BROOKDALE SR LIVING INC        COM              112463104    50142  9929000 SH       DEFINED 1 2 3 4 7     9929000        0        0
CAPITOL ACQUISITION CORP DEL   *W EXP 11/08/201 14055E112       71   750000 SH       DEFINED 1 2 3 4 6      750000        0        0
CHINA HLDGS ACQUISITION CORP   *W EXP 11/16/201 16942N114       34   990000 SH       DEFINED 1 2 3 4 6      990000        0        0
COLUMBUS ACQUISITION CORP      *W EXP 05/18/201 198851115        2    72700 SH       DEFINED 1 2 3 4 6       72700        0        0
CSX CORP                       COM              126408103     2515    97300 SH       DEFINED 1 2 3 4 5       97300        0        0
DANA HOLDING CORP              COM              235825205      448   972625 SH       DEFINED 1 2 3 4 6      972625        0        0
DIAMOND OFFSHORE DRILLING IN   COM              25271C102     1947    30975 SH       DEFINED 1 2 3 4         30975        0        0
DRYSHIPS INC                   SHS              Y2109Q101      422    83000 SH       DEFINED 1 2 3 4 5       83000        0        0
DRYSHIPS INC                   SHS              Y2109Q101     2123   417000 SH       DEFINED 1 2 3 4 8      417000        0        0
ENTERPRISE ACQUISITION CORP    *W EXP 11/07/201 29365R116       12   500000 SH       DEFINED 1 2 3 4 6      500000        0        0
FREEPORT-MCMORAN COPPER & GO   COM              35671D857     3472    91100 SH  PUT  DEFINED 1 2 3 4 5       91100        0        0
FREEPORT-MCMORAN COPPER & GO   COM              35671D857     3483    91400 SH  PUT  DEFINED 1 2 3 4 8       91400        0        0
GENERAL CABLE CORP DEL NEW     COM              369300108      542    27350 SH       DEFINED 1 2 3 4 8       27350        0        0
GENERAL ELECTRIC CO            COM              369604103     4122   415100 SH  PUT  DEFINED 1 2 3 4 5      415100        0        0
GENERAL ELECTRIC CO            COM              369604103    20703  2084900 SH  PUT  DEFINED 1 2 3 4 8     2084900        0        0
GENERAL GROWTH PPTYS INC       COM              370021107       22    30900 SH       DEFINED 1 2 3 4         30900        0        0
GENERAL MLS INC                COM              370334104     2978    59700 SH       DEFINED 1 2 3 4 5       59700        0        0
GENERAL MTRS CORP              DEB SR CONV B    370442733      740   291291 SH       DEFINED 1 2 3 4 6      291291        0        0
GENESIS LEASE LTD              ADR              37183T107      626   225200 SH       DEFINED 1 2 3 4 6      225200        0        0
GLOBAL BRANDS ACQUISITION CO   *W EXP 12/06/201 378982110       52  1500000 SH       DEFINED 1 2 3 4 6     1500000        0        0
GLOBAL CONSUMER ACQST CORP     *W EXP 11/27/201 378983118       83   575500 SH       DEFINED 1 2 3 4 6      575500        0        0
GOLD FIELDS LTD NEW            SPONSORED ADR    38059T106     2290   202000 SH       DEFINED 1 2 3 4 6      202000        0        0
GOLDEN POND HEALTHCARE INC     *W EXP 11/06/201 38116J117       30   750000 SH       DEFINED 1 2 3 4 6      750000        0        0
GRAFTECH INTL LTD              COM              384313102     3264   529800 SH       DEFINED 1 2 3 4 6      529800        0        0
GREAT PLAINS ENERGY INC        COM              391164100    12056   895000 SH       DEFINED 1 2 3 4 5      895000        0        0
IDEATION ACQUISITION CORP      *W EXP 11/19/201 451665111       27   250000 SH       DEFINED 1 2 3 4 6      250000        0        0
ISHARES TR                     DJ BROKER-DEAL   464288794     1050    52600 SH       DEFINED 1 2 3 4 5       52600        0        0
ISHARES TR                     FTSE XNHUA IDX   464287184      260     9100 SH       DEFINED 1 2 3 4 5        9100        0        0
ISHARES TR                     IBOXX INV CPBD   464287242      499     5300 SH       DEFINED 1 2 3 4 5        5300        0        0
ISHARES TR                     MSCI EMERG MKT   464287234    11299   440000 SH  PUT  DEFINED 1 2 3 4 5      440000        0        0
KBL HEALTHCARE ACQUIS CORP I   *W EXP 07/18/201 48241N115       46   658100 SH       DEFINED 1 2 3 4 6      658100        0        0
LENNAR CORP                    CL A             526057104     1525   203000 SH       DEFINED 1 2 3 4 5      203000        0        0
LIBERTY ACQUISITION HLDGS CO   *W EXP 12/12/201 53015Y115       96   336900 SH       DEFINED 1 2 3 4 6      336900        0        0
MBF HEALTHCARE ACQUISITION C   *W EXP 04/16/201 552650111        1   587500 SH       DEFINED 1 2 3 4 6      587500        0        0
MONSANTO CO NEW                COM              61166W101     2759    33200 SH  CALL DEFINED 1 2 3 4 5       33200        0        0
MONSANTO CO NEW                COM              61166W101    13861   166800 SH  CALL DEFINED 1 2 3 4 8      166800        0        0
MOSAIC CO                      COM              61945A107      210     5000 SH  CALL DEFINED 1 2 3 4 5        5000        0        0
MOSAIC CO                      COM              61945A107     1070    25500 SH  CALL DEFINED 1 2 3 4 8       25500        0        0
NAVIOS MARITIME ACQUIS CORP    *W EXP 06/25/201 Y62159119      238  1250000 SH       DEFINED 1 2 3 4 6     1250000        0        0
NEWCASTLE INVT CORP            COM              65105M108      667  1025729 SH       DEFINED 1             1025729        0        0
NEWCASTLE INVT CORP            COM              65105M108      125   191600 SH       DEFINED 1 2 3 4 6      191600        0        0
NEWFIELD EXPL CO               COM              651290108      997    40300 SH  PUT  DEFINED 1 2 3 4 5       40300        0        0
NEWFIELD EXPL CO               COM              651290108     5188   209700 SH  PUT  DEFINED 1 2 3 4 8      209700        0        0
NORFOLK SOUTHERN CORP          COM              655844108      776    23000 SH       DEFINED 1 2 3 4 8       23000        0        0
NORTHWESTERN CORP              COM NEW          668074305    18158   845347 SH       DEFINED 1 2 3 4        845347        0        0
ODYSSEY MARINE EXPLORATION I   COM              676118102     1409   415729 SH       DEFINED 1 2 3 4 5      415729        0        0
OIL SVC HOLDRS TR              DEPOSTRY RCPT    678002106      563     7600 SH       DEFINED 1 2 3 4 5        7600        0        0
PENN NATL GAMING INC           COM              707569109     3800   157377 SH       DEFINED 1 2 3 4        157377        0        0
PNC FINL SVCS GROUP INC        COM              693475105    30860   380000 SH  PUT  DEFINED 1 2 3 4 5      380000        0        0
POTASH CORP SASK INC           COM              73755L107     1673    20700 SH  CALL DEFINED 1 2 3 4 5       20700        0        0
POTASH CORP SASK INC           COM              73755L107     8428   104300 SH  CALL DEFINED 1 2 3 4 8      104300        0        0
PROSPECT ACQUISITION CORP      *W EXP 11/14/201 74347T111       37   924800 SH       DEFINED 1 2 3 4 6      924800        0        0
RETAIL HOLDRS TR               DEP RCPT         76127U101     2212    29900 SH  PUT  DEFINED 1 2 3 4 5       29900        0        0
RETAIL HOLDRS TR               DEP RCPT         76127U101    11106   150100 SH  PUT  DEFINED 1 2 3 4 8      150100        0        0
SAPPHIRE INDUSTRIALS CORP      *W EXP 01/17/201 80306T117      130  1000000 SH       DEFINED 1 2 3 4 6     1000000        0        0
SELECT SECTOR SPDR TR          SBI INT-FINL     81369Y605     9808  1127404 SH  CALL DEFINED 1 2 3 4 5     1127404        0        0
SELECT SECTOR SPDR TR          SBI INT-FINL     81369Y605     5220   600000 SH  PUT  DEFINED 1 2 3 4 5      600000        0        0
SELECT SECTOR SPDR TR          SBI INT-INDS     81369Y704      807    43800 SH       DEFINED 1 2 3 4 5       43800        0        0
SELECT SECTOR SPDR TR          SBI INT-INDS     81369Y704     3500   189900 SH       DEFINED 1 2 3 4 8      189900        0        0
SHERWIN WILLIAMS CO            COM              824348106     6447   150000 SH  PUT  DEFINED 1 2 3 4 5      150000        0        0
SPDR GOLD TRUST                GOLD SHS         78463V107      451     5000 SH       DEFINED 1 2 3 4 5        5000        0        0
SPDR TR                        UNIT SER 1       78462F103      421     5300 SH       DEFINED 1 2 3 4 5        5300        0        0
SPRINT NEXTEL CORP             COM SER 1        852061100      124    30000 SH  PUT  DEFINED 1 2 3 4 5       30000        0        0
SPX CORP                       COM              784635104      545    11600 SH       DEFINED 1 2 3 4 8       11600        0        0
STONELEIGH PARTNERS ACQUS CO   *W EXP 05/31/201 861923126       10   500000 SH       DEFINED 1 2 3 4 6      500000        0        0
TARGA RESOURCES PARTNERS LP    COM UNIT         87611X105     1756   195781 SH       DEFINED 1 2 3 4 6      195781        0        0
TREMISIS ENERGY ACQ CORP II    *W EXP 12/05/201 89472N119      127  1100000 SH       DEFINED 1 2 3 4 6     1100000        0        0
TRIAN ACQUISITION I CORP       *W EXP 01/23/201 89582E116      140   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
UNION PAC CORP                 COM              907818108      226     5500 SH       DEFINED 1 2 3 4 5        5500        0        0
UNION PAC CORP                 COM              907818108     1020    24800 SH       DEFINED 1 2 3 4 8       24800        0        0
UNITED REFINING ENERGY CORP    *W EXP 12/11/201 911360113      144  1600000 SH       DEFINED 1 2 3 4 6     1600000        0        0
VICTORY ACQUISITION CORP       *W EXP 04/24/201 92644D118       51   367000 SH       DEFINED 1 2 3 4 6      367000        0        0
VISA INC                       COM CL A         92826C839      261     4700 SH       DEFINED 1 2 3 4 5        4700        0        0
WELLS FARGO & CO NEW           PERP PFD CNV A   949746804    19964    33440 SH       DEFINED 1 2 3 4 6       33440        0        0
WELLS FARGO & CO NEW           PERP PFD CNV A   949746804      605  1100000 SH  PUT  DEFINED 1 2 3 4 6     1100000        0        0
WILLIAMS COS INC DEL           COM              969457100      777    64500 SH  PUT  DEFINED 1 2 3 4 5       64500        0        0
WILLIAMS COS INC DEL           COM              969457100     4043   335500 SH  PUT  DEFINED 1 2 3 4 8      335500        0        0