UNITED STATES
                       SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C.  20549
                                       
                                    FORM 13F
                                       
                              FORM 13F COVER PAGE


                  Report for the Quarter Ended December 31, 2004



                          AMERICAN FINANCIAL GROUP, INC.
                 One East Fourth Street, Cincinnati, Ohio 45202
     -------------------------------------------------------------------------
     (Name and Address of Institutional Investment Manager Filing this Report)
                                       

                         Form 13F File Number:  28-4389


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.

                                 Fred J. Runk
                     Senior Vice President and Treasurer
                                (513) 579-2489
                -----------------------------------------------
                (Name, Title and Phone Number of Person Signing
                 this Report on Behalf of Reporting Manager)



Signature:

s/Fred J. Runk                        Cincinnati, Ohio     February 10, 2005
----------------------------------
Fred J. Runk
Senior Vice President and Treasurer


Report Type:
     [X]  13F HOLDINGS REPORT.
     [ ]  13F NOTICE.
     [ ]  13F COMBINATION REPORT.








                                 Page 1 of 4


                            FORM 13F SUMMARY PAGE
                            ---------------------




Number of Other Included Managers:                        1
                                                      -----------

Form 13F Information Table Entry Total:                  87
                                                      -----------

Form 13F Information Table Value Total (thousands):   $ 1,059,681 
                                                      -----------



Name and 13F file numbers of all Institutional Investment Managers with respect
to which this schedule is filed (other than American Financial Group, Inc.):

    Number    13F File Number         Name of Subsidiary
    ------    ---------------         ------------------------------------

       1.          28-498             Great American Insurance Company
       



































                                     Page 2

                                                       

                                                       FORM 13F INFORMATION TABLE


                                                             Column 4:   Column 5:                               Column 8:
                                   Column 2:                  Market     Shares or    Column 6: Column 7:    Voting Authority
        Column 1:                  Title of       Column 3:    Value     Principal   Investment    Other ---------------------------
     Name of Issuer                  Class          CUSIP     (000's)      Amount    Discretion Managers    Sole    Shared    None
     --------------             ---------------- ----------- ---------  ------------ ---------- -------- ---------- ------ ---------
HOLDINGS OF GREAT AMERICAN INSURANCE COMPANY
--------------------------------------------
                                                                                                
ENDURANCE SPECIALTY HLDGS LT          SHS        G30397 10 6   14,022      410,000SH   Defined     1        410,000
GLOBAL CROSSING LTD		    SHS NEW      G3921A 17 5      118        6,521SH   Defined     "          6,521
AMERICAN ELEC PWR INC                 COM        025537 10 1    2,850       83,000SH   Defined     "         83,000
AMERICAN INTL GROUP INC               COM        026874 10 7    1,313       20,000SH   Defined     "         20,000
CABLEVISION SYS CORP             CL A NY CABLVS  12686C 10 9    1,444       58,000SH   Defined     "         58,000
CITIGROUP INC                         COM        172967 10 1   13,490      280,000SH   Defined     "        280,000
COMCAST CORP NEW                     CL A        20030N 10 1      671       20,153SH   Defined     "         20,153
COMCAST CORP NEW                   CL A SPL      20030N 20 0    1,798       54,760SH   Defined     "         54,760
DPL INC                               COM        233293 10 9    7,222      287,600SH   Defined     "        287,600 
ENERGY EAST CORP                      COM        29266M 10 9    2,142       80,300SH   Defined     "         80,300               
FIFTH THIRD BANCORP                   COM        316773 10 0    1,594       33,700SH   Defined     "         33,700
FOUNDATION COAL HLDGS INC             COM        35039W 10 0      922       40,000SH   Defined     "         40,000
GENTEK INC                          COM NEW      37245X 20 3    1,123       25,000SH   Defined     "         25,000
GREAT AMERN FINL RES INC              COM        389915 10 9  669,891   38,565,995SH   Defined     "     38,565,995
INTERNATIONAL STL GROUP INC           COM        460377 10 4    1,391       34,300SH   Defined     "         34,300
JPMORGAN & CHASE & CO                 COM        46625H 10 0    3,121       80,000SH   Defined     "         80,000
MARSH SUPERMARKETS INC               CL B        571783 20 8    7,413      602,644SH   Defined     "        602,644
MARSH SUPERMARKETS INC               CL A        571783 30 7    8,021      709,844SH   Defined     "        709,844
MERCK & CO INC                        COM        589331 10 7    1,607       50,000SH   Defined	   "         50,000
NTL INC DEL                           COM        62940M 10 4    6,861       94,040SH   Defined     "         94,040
NATIONAL CITY CORP                    COM        635405 10 3  157,642    4,198,189SH   Defined     "      4,198,189
NEWS CORP                            CL B        65248E 20 3    1,152       60,000SH   Defined     "         60,000
NISOURCE INC                          COM        65473P 10 5    3,531      155,000SH   Defined     "        155,000
PNC FINL SVCS GROUP INC               COM        693475 10 5    3,676       64,000SH   Defined     "         64,000
PEPCO HOLDINGS INC                    COM        713291 10 2      864       40,500SH   Defined     "         40,500
PFIZER INC                            COM        717081 10 3    6,991      260,000SH   Defined	   "        260,000
PROGRESS ENERGY INC                   COM        743263 10 5    1,796       39,700SH   Defined     "         39,700
QWEST COMMUNICATIONS INTL IN          COM        749121 10 9       79       17,902SH   Defined     "         17,902
SBC COMMUNICATIONS INC                COM        78387G 10 3    1,547       60,000SH   Defined     "         60,000
SARA LEE CORP                         COM        803111 10 3    1,207       50,000SH   Defined     "         50,000
SEABULK INTL INC                      COM        81169P 10 1      635       52,456SH   Defined     "         52,456
SUNTERRA CORP                       COM NEW      86787D 20 8      913       65,000SH   Defined     "         65,000
TIME WARNER INC                       COM        887317 10 5      509       26,149SH   Defined     "         26,149  
TORTOISE ENERGY INFRSTRCTR C          COM        89147L 10 0    1,646       60,000SH   Defined     "         60,000
TYCO INTL LTD NEW                     COM        902124 10 6    1,608       45,000SH   Defined     "         45,000
UNITED AUTO GROUP INC                 COM        909440 10 9    1,172       39,600SH   Defined     "         39,600
VIACOM INC                           CL B        925524 30 8    1,638       45,000SH   Defined     "         45,000
WASHINGTON MUT INC                    COM        939322 10 3    1,697       40,134SH   Defined     "         40,134
ZENITH NATL INS CORP                  COM        989390 10 9    1,231       24,700SH   Defined     "         24,700 











HOLDINGS OF OTHER ENTITIES EACH HAVING LESS THAN $100 MILLION IN 13F SECURITIES
-------------------------------------------------------------------------------

GLOBAL CROSSING LTD                 SHS NEW      G3921A 17 5      258       14,224SH   Defined     1         14,224
ALLIANCE RES PARTNER L P         UT LTD PART     01877R 10 8    7,444      100,593SH   Defined     "        100,593
ALLIANCE RES PARTNER L P         UT LTD PART     01877R 10 8    1,703       23,011SH    Other                                23,011
BRISTOL MYERS SQUIBB CO               COM        110122 10 8      256       10,000SH   Defined     1         10,000     
BRISTOL MYERS SQUIBB CO               COM        110122 10 8      256       10,000SH    Other                                10,000
CABLEVISION SYS CORP             CL A NY CABLVS  12686C 10 9    6,536      262,500SH   Defined     1        262,500            
CABLEVISION SYS CORP             CL A NY CABLVS  12686C 10 9      727       29,177SH    Other                                29,177
CITIGROUP INC                         COM        172967 10 1    3,373       70,000SH   Defined     1         70,000
CITIGROUP INC                         COM        172967 10 1    1,445       30,000SH    Other                                30,000
COMCAST CORP NEW                     CL A        20030N 10 1    1,824       54,800SH    Other                                54,800
COMCAST CORP NEW                   CL A SPL      20030N 20 0    9,162      279,000SH   Defined     1        279,000   
DPL INC                               COM        233293 10 9    1,256       50,000SH   Defined     "         50,000  
DPL INC                               COM        233293 10 9      251       10,000SH    Other                                10,000
ENERGY EAST CORP                      COM        29266M 10 9    2,135       80,000SH   Defined     1         80,000
FIFTH THIRD BANCORP                   COM        316773 10 0    2,654       56,100SH   Defined     "         56,100      
FOUNDATION COAL HLDGS INC             COM        35039W 10 0      922       40,000SH   Defined     "         40,000
GENTEK INC                          COM NEW      37245X 20 3    1,796       40,000SH   Defined     "         40,000
JOHN HANCOCK BK &THRIFT OPP       SH BEN INT     409735 10 7      725       67,200SH    Other                                67,200
HOST MARRIOTT CORP NEW                COM        44107P 10 4      175       10,110SH    Other                                10,110
INTERNATIONAL STL GROUP INC           COM        460377 10 4    4,299      106,000SH   Defined     1        106,000
INTERNATIONAL STL GROUP INC           COM        460377 10 4    1,217       30,000SH    Other                                30,000
LAIDLAW INTL INC                      COM        50730R 10 2    1,467       68,543SH   Defined     1         68,543
MERCK & CO INC	                      COM        589331 10 7      321       10,000SH   Defined     "         10,000
NRG ENERGY INC                      COM NEW      629377 50 8    1,565       43,411SH   Defined     "         43,411
NTL INC DEL                           COM        62940M 10 4   19,266      264,065SH   Defined     "        264,065
NTL INC DEL                           COM        62940M 10 4      730       10,000SH    Other                                10,000
NATIONAL CITY CORP                    COM        635405 10 3    5,955      158,562SH   Defined     1        158,563
NATIONAL CITY CORP                    COM        635405 10 3    1,562       41,603SH    Other                                41,603
NEWS CORP                            CL B        65248E 20 3    1,536       80,000SH   Defined     1         80,000
NISOURCE INC                          COM        65473P 10 5      683       30,000SH   Defined     "         30,000
PEPCO HOLDINGS INC                    COM        713291 10 2      213       10,000SH   Defined     "         10,000
PFIZER INC                            COM        717081 10 3    2,689      100,000SH   Defined     "        100,000
PFIZER INC                            COM        717081 10 3    1,076       40,000SH    Other                                40,000
PIMCO HIGH INCOME FD                COM SHS      722014 10 7    6,240      417,700SH   Defined     1        417,700
POPULAR INC                           COM        733174 10 6   10,916      378,640SH   Defined     "        378,640
SBC COMMUNICATIONS INC                COM        78387G 10 3      515       20,000SH   Defined     "         20,000
SANTANDER BANCORP                     COM        802809 10 3    1,004       33,275SH   Defined     "         33,275
SEABULK INTL INC                      COM        81169P 10 1      237       19,600SH    Sole                 19,600          
SEABULK INTL INC                      COM        81169P 10 1    2,582      213,201SH   Defined     1        213,201          
SEABULK INTL INC                      COM        81169P 10 1    1,187       98,000SH    Other                                98,000
SUNTERRA CORP                       COM NEW      86787D 20 8    2,106      150,000SH   Defined     1        150,000
TORTOISE ENERGY INFRSTRCTR C          COM        89147L 10 0    1,646       60,000SH   Defined     "         60,000
US BANCORP DEL                      COM NEW      902973 30 4      891       28,462SH    Other                                28,462
UNITED AUTO GROUP INC                 COM        909440 10 9    1,725       58,300SH   Defined     1         58,300
VIACOM INC                           CL B        925524 30 8    4,913      135,000SH   Defined     "        135,000
VIACOM INC                           CL B        925524 30 8      364       10,000SH    Other                                10,000
WASHINGTON MUT INC                    COM        939322 10 3    2,333       55,179SH   Defined     1         55,179
ZENITH NATL INS CORP                  COM        989390 10 9      997       20,000SH    Other                                20,000

                                                             ----------
                                 REPORT TOTAL                $1,059,681
                                                             ==========