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

                                    FORM 13F

                              FORM 13F COVER PAGE


                   Report for the Quarter Ended March 31, 2013


                          AMERICAN FINANCIAL GROUP, INC.
                 301 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.

                                  Brian S. Hertzman
                       Assistant Vice President and Controller
                                   (513) 579-2153
                -----------------------------------------------
                (Name, Title and Phone Number of Person Signing
                 this Report on Behalf of Reporting Manager)



Signature:

/s/Brian S. Hertzman              Cincinnati, Ohio              May 15, 2013
----------------------------
Brian S. Hertzman
Assistant Vice President and Controller


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


















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




Number of Other Included Managers:                         2
                                                      -----------

Form 13F Information Table Entry Total:                   179
                                                      -----------

Form 13F Information Table Value Total (thousands):    $1,043,195
                                                      -----------



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
       2.        Unassigned           Great American Life Insurance Company








































                                             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
--------------------------------------------
                                                                                                 
AIR PRODS & CHEMS INC                 COM        009158 10 6    11,986     137,584SH   Defined     1        137,584
ANWORTH MORTGAGE ASSET CP             COM        037347 10 1       791     125,000SH   Defined     1        125,000
APPLE INC                             COM        037833 10 0     5,976      13,500SH   Defined     1         13,500
ARCH COAL INC                         COM        039380 10 0     4,045     745,000SH   Defined     1        745,000
BANK OF AMERICA CORPORATION           COM        060505 10 4     7,407     608,120SH   Defined     1        608,120
BEST BUY INC                          COM        086516 10 1     1,723      77,800SH   Defined     1         77,800
CAPITAL BK FINL CORP                CL A COM     139794 10 1     2,772     161,810SH   Defined     1        161,810
CAPITOL FED FINL INC                  COM        14057J 10 1       435      36,000SH   Defined     1         36,000
CHEVRON CORP NEW                      COM        166764 10 0     7,284      61,300SH   Defined     1         61,300
CITIGROUP INC                       COM NEW      172967 42 4    12,166     275,000SH   Defined     1        275,000
COACH INC                             COM        189754 10 4     5,099     102,000SH   Defined     1        102,000
COMCAST CORP NEW                     CL A        20030N 10 1     8,543     203,500SH   Defined     1        203,500
DELTA AIR LINES INC DEL             COM NEW      247361 70 2       680      41,216SH   Defined     1         41,216
ELLINGTON FINANCIAL LLC               COM        288522 30 3     7,739     312,700SH   Defined     1        312,700
EMERSON ELEC CO                       COM        291011 10 4     7,542     135,000SH   Defined     1        135,000
EXONE CO                              COM        302104 10 4       445      13,285SH   Defined     1         13,285
FIRST FINL BANCORP OH                 COM        320209 10 9     3,531     220,000SH   Defined     1        220,000
FLAGSTAR BANCORP INC             COM PAR .001    337930 70 5     3,942     283,010SH   Defined     1        283,010
FULL HOUSE RESORTS INC                COM        359678 10 9        99      35,331SH   Defined     1         35,331
GENERAL ELECTRIC CO                   COM        369604 10 3    10,751     465,000SH   Defined     1        465,000
GENERAL MTRS CO                       COM        37045V 10 0       487      17,500SH   Defined     1         17,500
HANMI FINL CORP                     COM NEW	 410495 20 4     1,687     105,413SH   Defined     1        105,413
HEINZ H J CO                          COM        423074 10 3    15,014     207,750SH   Defined     1        207,750
HEWLETT PACKARD CO                    COM        428236 10 3    13,899     583,000SH   Defined     1        583,000
HOMESTREET INC                        COM        43785V 10 2     1,787      80,000SH   Defined     1         80,000
HUNTINGTON INGALLS INDS INC           COM        446413 10 6     1,067      20,000SH   Defined     1         20,000
INSTEEL INDUSTRIES INC                COM        45774W 10 8       402      24,609SH   Defined     1         24,609
INTEL CORP                            COM        458140 10 0    11,551     529,000SH   Defined     1        529,000
INTERPUBLIC GROUP COS INC             COM        460690 10 0        65       5,000SH   Defined     1          5,000
JPMORGAN CHASE & CO                   COM        46625H 10 0    16,136     340,000SH   Defined     1        340,000
JOHNSON & JOHNSON                     COM        478160 10 4    19,649     241,000SH   Defined     1        241,000
KELLOGG CO                            COM        487836 10 8    14,101     218,850SH   Defined     1        218,850
KIMBERLY CLARK CORP                   COM        494368 10 3    19,596     200,000SH   Defined     1        200,000
KOHLS CORP                            COM        500255 10 4    13,378     290,000SH   Defined     1        290,000
KRAFT FOODS GROUP INC                 COM        50076Q 10 6     3,835      74,416SH   Defined     1         74,416
LEUCADIA NATL CORP                    COM        527288 10 4       209       7,633SH   Defined     1          7,633
LINCOLN NATL CORP IND                 COM        534187 10 9     1,631      50,000SH   Defined     1         50,000
LOCKHEED MARTIN CORP                  COM        539830 10 9     2,944      30,500SH   Defined     1         30,500
LOWES COS INC                         COM        548661 10 7     1,213      32,000SH   Defined     1         32,000
MYR GROUP INC DEL                     COM        55405W 10 4     9,446     384,615SH   Defined     1        384,615
MEDTRONIC INC                         COM        585055 10 6     4,696     100,000SH   Defined     1        100,000
MERCK & CO INC NEW                    COM        58933Y 10 5    11,094     251,000SH   Defined     1        251,000
METLIFE INC                           COM        59156R 10 8     5,741     151,000SH   Defined     1        151,000
MICROSOFT CORP                        COM        594918 10 4    18,636     651,500SH   Defined     1        651,500
MONDELEZ INTL INC                    CL A        609207 10 5     6,835     223,250SH   Defined     1        223,250
MOTRICITY INC                         COM        620107 10 2        21      56,525SH   Defined     1         56,525
NATIONAL BK HLDGS CORP               CL A        633707 10 4     1,830     100,000SH   Defined     1        100,000
NATIONAL INTERSTATE CORP              COM        63654U 10 0   305,796  10,200,000SH   Defined     1     10,200,000
NEW YORK CMNTY BANCORP INC            COM        649445 10 3     5,023     350,000SH   Defined     1        350,000
OMNICOM GROUP INC                     COM        681919 10 6     5,713      97,000SH   Defined     1         97,000
OMEROS CORP                           COM        682143 10 2       420     102,040SH   Defined     1        102,040
PNC FINL SVCS GROUP INC               COM        693475 10 5     3,990      60,000SH   Defined     1         60,000
PEOPLES UNITED FINANCIAL INC          COM        712704 10 5    11,139     830,000SH   Defined     1        830,000
PEPSICO INC                           COM        713448 10 8    17,013     215,050SH   Defined     1        215,050
PFIZER INC                            COM        717081 10 3    12,063     418,000SH   Defined     1        418,000
PROCTER & GAMBLE CO                   COM        742718 10 9    10,018     130,000SH   Defined     1        130,000
PRUDENTIAL FINL INC                   COM        744320 10 2     4,690      79,500SH   Defined     1         79,500
RAYTHEON CO                         COM NEW      755111 50 7     4,439      75,500SH   Defined     1         75,500
REVOLUTION LIGHTING TECHNOLO          COM        76155G 10 7     4,487   2,136,752SH   Defined     1      2,136,752
STAPLES INC                           COM        855030 10 2     3,355     250,000SH   Defined     1        250,000
TARGET CORP                           COM        87612E 10 6     9,583     140,000SH   Defined     1        140,000
3M CO                                 COM        88579Y 10 1    12,917     121,500SH   Defined     1        121,500
TORTOISE ENERGY CAP CORP              COM        89147U 10 0       842      25,800SH   Defined     1         25,800
UNITED CONTL HLDGS INC                COM        910047 10 9     4,162     130,024SH   Defined     1        130,024
VERISK ANALYTICS INC                 CL A        92345Y 10 6    36,189     587,291SH   Defined     1        587,291
WAL-MART STORES INC                   COM        931142 10 3     8,980     120,000SH   Defined     1        120,000
WALGREEN CO                           COM        931422 10 9    11,753     246,500SH   Defined     1        246,500
WASTE MGMT INC DEL                    COM        94106L 10 9    18,033     459,900SH   Defined     1        459,900
WELLS FARGO & CO NEW                  COM        949746 10 1    12,577     340,000SH   Defined     1        340,000





HOLDINGS OF GREAT AMERICAN
  LIFE INSURANCE COMPANY
---------------------------
AIR PRODS & CHEMS INC                 COM        009158 10 6     4,792      55,000SH   Defined     2         55,000
ALLIANCE RES PARTNER L P          UT LTD PART    01877R 10 8     3,256      51,119SH   Defined     2         51,119
ANNALY CAP MGMT INC                   COM        035710 40 9     1,271      80,000SH   Defined     2         80,000
ANWORTH MORTGAGE ASSET CP             COM        037347 10 1       791     125,000SH   Defined     2        125,000
APPLE INC                             COM        037833 10 0     5,976      13,500SH   Defined     2         13,500
BP PLC                           SPONSORED ADR   055622 10 4     8,047     190,000SH   Defined     2        190,000
BEST BUY INC                          COM        086516 10 1       687      31,000SH   Defined     2         31,000
CAPITAL BK FINL CORP                CL A COM     139794 10 1     4,796     280,000SH   Defined     2        280,000
CISCO SYS INC                         COM        17275R 10 2     8,358     400,000SH   Defined     2        400,000
CITIGROUP INC                       COM NEW      172967 42 4     5,751     130,000SH   Defined     2        130,000
DELTA AIR LINES INC DEL             COM NEW      247361 70 2       443      26,829SH   Defined     2         26,829
DEX ONE CORP                          COM        25212W 10 0        18      10,772SH   Defined     2         10,772
ELLINGTON FINANCIAL LLC               COM        288522 30 3    17,354     701,153SH   Defined     2        701,153
EXONE CO                              COM        302104 10 4     1,106      33,000SH   Defined     2         33,000
FLAGSTAR BANCORP INC             COM PAR .001    337930 70 5     3,942     283,010SH   Defined     2        283,010
FULL HOUSE RESORTS INC                COM        359678 10 9        89      31,617SH   Defined     2         31,617
GENERAL MTRS CO                       COM        37045V 10 0       487      17,500SH   Defined     2         17,500
HANMI FINL CORP                     COM NEW      410495 20 4     2,754     172,115SH   Defined     2        172,115
HEWLETT PACKARD CO                    COM        428236 10 3     5,817     244,000SH   Defined     2        244,000
HOMESTREET INC                        COM        43785V 10 2     5,362     240,000SH   Defined     2        240,000
INSTEEL INDUSTRIES INC                COM        45774W 10 8       363      22,216SH   Defined     2         22,216
LEUCADIA NATL CORP                    COM        527288 10 4       228       8,315SH   Defined     2          8,315
LINCOLN NATL CORP IND                 COM        534187 10 9     5,544     170,000SH   Defined     2        170,000
MARATHON OIL CORP                     COM        565849 10 6     7,418     220,000SH   Defined     2        220,000
METLIFE INC                           COM        59156R 10 8    11,090     291,700SH   Defined     2        291,700
MOTRICITY INC                         COM        620107 10 2        31      84,788SH   Defined     2         84,788
NATIONAL BK HLDGS CORP               CL A        633707 10 4     2,745     150,000sH   Defined     2        150,000
OMEROS CORP                           COM        682143 10 2       631     153,061SH   Defined     2        153,061
PHARMACYCLICS INC                     COM        716933 10 6     1,608      20,000SH   Defined     2         20,000
PRUDENTIAL FINL INC                   COM        744320 10 2    11,769     199,500SH   Defined     2        199,500
RESEARCH IN MOTION LTD                COM        760975 10 2       506      35,000SH   Defined     2         35,000
REVOLUTION LIGHTING TECHNOLO          COM        76155G 10 7     4,487   2,136,752SH   Defined     2      2,136,752
SOUTHWEST AIRLS CO                    COM        844741 10 8     3,303     245,000SH   Defined     2        245,000
TORTOISE ENERGY CAP CORP              COM        89147U 10 0     2,802      85,900SH   Defined     2         85,900
UNITED CONTL HLDGS INC                COM        910047 10 9     3,681     115,000SH   Defined     2        115,000
VODAFONE GROUP PLC NEW           SPONS ADR NEW   92857W 20 9    10,380     365,500SH   Defined     2        365,500






HOLDINGS OF OTHER ENTITIES
EACH HAVING LESS THAN
$100 MILLION IN 13F SECURITIES
------------------------------
ARGO GROUP INTL HLDGS LTD             COM        G0464B 10 7       214       5,176SH   Defined     1          5,176
EATON CORP PLC                        SHS        G29183 10 3       704      11,500SH   Defined     1         11,500
ACE LTD                               SHS        H0023R 10 5     5,605      63,000SH    Sole                 63,000
AT&T INC                              COM        00206R 10 2       752      20,500SH   Defined     1         20,500
ABBOTT LABS                           COM        002824 10 0       321       9,100SH   Defined	   1          9,100
ABBVIE INC                            COM        00287Y 10 9       371       9,100SH   Defined     1          9,100
ALLIANCE RES PARTNER L P          UT LTD PART    01877R 10 8     2,485      39,017SH   Defined     1         39,017
AMERICAN EQTY INVT LIFE HLD           COM        025676 20 6       203      13,629SH   Defined     1         13,629
APPLE INC                             COM        037833 10 0     1,328       3,000SH   Defined     1          3,000
ARCH COAL INC                         COM        039380 10 0       597     110,000SH   Defined              110,000
BP PLC	                         SPONSORED ADR   055622 10 4     1,906      45,000SH   Defined               45,000
BANK OF AMERICA CORPORATION           COM        060505 10 4     4,244     348,480SH   Defined     1        348,480
BASIC ENERGY SVCS INC NEW             COM        06985P 10 0       154      11,258SH   Defined     1         11,258
BERKLEY W R CORP                      COM        084423 10 2     5,191     117,000SH    Sole                117,000
BEST BUY INC                          COM        086516 10 1     1,577      71,200SH   Defined               71,200
BLDRS INDEX FDS TR              EMER MK 50 ADR   09348R 30 0       406      10,529SH   Defined     1         10,529
CAPLEASE INC                          COM        140288 10 1       139      21,809SH   Defined     1         21,809
CARDINAL FINL CORP                    COM        14149F 10 9       192      10,551SH   Defined     1         10,551
CHEVRON CORP NEW                      COM        166764 10 0       416       3,500SH   Defined	   1          3,500
CHUBB CORP                            COM        171232 10 1     6,215      71,000SH    Sole                 71,000
COACH INC                             COM        189754 10 4     7,149     143,000SH   Defined     1        143,000
COLONY FINL INC                       COM        19624R 10 6     1,554      70,000SH   Defined     1         70,000
CONOCOPHILLIPS                        COM        20825C 10 4       421       7,000SH   Defined     1          7,000
DELTA AIR LINES INC DEL             COM NEW      247361 70 2       215      13,003SH   Defined    1,2        13,003
DOLAN CO                              COM        25659P 40 2        27      11,135SH   Defined     1         11,135
DU PONT E I DE NEMOURS & CO           COM        263534 10 9       270       5,500SH   Defined     1          5,500
ELLINGTON FINANCIAL LLC               COM        288522 30 3       990      40,000SH   Defined               40,000
EXONE CO                              COM        302104 10 4       235       7,000SH   Defined     1          7,000
FIRST FINL BANCORP OH                 COM        320209 10 9       108       6,727SH   Defined     1          6,727
GENERAL ELECTRIC CO                   COM        369604 10 3       809      35,000SH   Defined     1         35,000
GENERAL MLS INC                       COM        370334 10 4       740      15,000SH   Defined     1         15,000
GLOBAL CASH ACCESS HLDGS INC          COM        378967 10 3       146      20,669SH   Defined     1         20,669
HEWLETT PACKARD CO                    COM        428236 10 3     2,217      93,000SH   Defined               93,000
HOMESTREET INC                        COM        43785V 10 2     3,574     160,000SH   Defined              160,000
ILLINOIS TOOL WKS INC                 COM        452308 10 9       335       5,500SH   Defined     1          5,500
INDEXIQ ETF TR                  IQ GLB RES ETF   45409B 88 3       295       9,861SH   Defined     1          9,861
INTERPUBLIC GROUP COS INC             COM        460690 10 0       782      60,000SH   Defined               60,000
ISHARES TR                      MSCI EAFE INDEX  464287 46 5       440       7,464SH   Defined     1          7,464
JOHNSON & JOHNSON                     COM        478160 10 4       669       8,200SH   Defined     1          8,200
KEY ENERGY SVCS INC                   COM        492914 10 6       105      12,941SH   Defined     1         12,941
KOHLS CORP                            COM        500255 10 4     1,384      30,000SH   Defined     1         30,000
LTX-CREDENCE CORP                   COM NEW      502403 20 7       140      23,261SH   Defined     1         23,261
LEUCADIA NATL CORP                    COM        527288 10 4        14         526SH   Defined     1            526
LINN ENERGY LLC                  UNIT LTD LIAB   536020 10 0     3,479      91,631SH   Defined               91,631
MFA FINANCIAL INC                     COM        55272X 10 2       466      50,000SH   Defined     1         50,000
MANAGED HIGH YIELD PLUS FD I          COM        561911 10 8        22      10,000SH   Defined     1         10,000
MEADOWBROOK INS GROUP INC             COM        58319P 10 8       145      20,619SH   Defined     1         20,619
MERCK & CO INC NEW                    COM        58933Y 10 5       884      20,000SH   Defined               20,000
METLIFE INC                           COM        59156R 10 8       855      22,500SH   Defined     1         22,500
MICROSOFT CORP                        COM        594918 10 4       429      15,000SH   Defined     1         15,000
OMNICOM GROUP INC                     COM        681919 10 6     2,238      38,000SH   Defined               38,000
ORBITAL SCIENCES CORP                 COM        685564 10 6       225      13,466SH   Defined     1         13,466
PNC FINL SVCS GROUP INC               COM        693475 10 5     6,650     100,000SH   Defined     1        100,000
PETROQUEST ENERGY INC                 COM        716748 10 8       132      29,735SH   Defined     1         29,735
PFIZER INC                            COM        717081 10 3       577      20,000SH   Defined               20,000
PHILIP MORRIS INTL INC                COM        718172 10 9       603       6,500SH   Defined     1          6,500
POWERSHARES ETF TRUST            DYNAMIC MKT PT  73935X 10 4     1,478      26,391SH   Defined     1         26,391
POWERSHARES ETF TRUST            HI YLD EQ DVDN  73935X 30 2       317      29,947SH   Defined     1         29,947
PROCTER & GAMBLE CO                   COM        742718 10 9       724       9,391SH   Defined     1          9,391
PRUDENTIAL FINL INC                   COM        744320 10 2     2,124      36,000SH   Defined     1         36,000
RAMCO-GERSHENSON PPTYS TR        COM SH BEN INT  751452 20 2       209      12,416SH   Defined	   1         12,416
RESEARCH IN MOTION LTD                COM        760975 10 2       217      15,000SH   Defined               15,000
RUDOLPH TECHNOLOGIES INC              COM        781270 10 3       141      12,000SH   Defined     1         12,000
STARWOOD PPTY TR INC                  COM        85571B 10 5       833      30,000SH   Defined     1         30,000
SYSCO CORP                            COM        871829 10 7       668      19,000SH   Defined     1         19,000
TARGA RESOURCES PARTNERS LP         COM UNIT     87611X 10 5       920      20,000SH   Defined               20,000
THOMSON REUTERS CORP                  COM        884903 10 5       585      18,000SH   Defined     1         18,000
TWO HBRS INVT CORP                    COM        90187B 10 1       631      50,000SH   Defined     1         50,000
UNITED CONTL HLDGS INC                COM        910047 10 9     1,761      55,000SH   Defined     2         55,000
VALUECLICK INC                        COM        92046N 10 2       238       8,054SH   Defined     1          8,054
VANGUARD INDEX FDS                  REIT ETF     922908 55 3       331       4,694SH   Defined     1          4,694
VIACOM INC NEW                       CL B        92553P 20 1     5,533      90,000SH   Defined               90,000
VODAFONE GROUP PLC NEW           SPONS ADR NEW   92857W 20 9     2,684      94,500SH   Defined               94,500
WISCONSIN ENERGY CORP                 COM        976657 10 6       686      16,000SH   Defined     1         16,000


                                                             ----------
                                 REPORT TOTAL                $1,043,195
                                                             ==========