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

                                    FORM 13F

                              FORM 13F COVER PAGE


                  Report for the Quarter Ended March 31, 2007



                          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.

                                 Robert H. Ruffing
                     	   Vice President and Controller
                                   (513) 579-2144
                -----------------------------------------------
                (Name, Title and Phone Number of Person Signing
                 this Report on Behalf of Reporting Manager)



Signature:

/s/Robert H. Ruffing                  Cincinnati, Ohio     May 10, 2007
- -------------------------------
Robert H. Ruffing
Vice President and Controller


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










FORM 13F SUMMARY PAGE --------------------- Number of Other Included Managers: 3 ----------- Form 13F Information Table Entry Total: 173 ----------- Form 13F Information Table Value Total (thousands): $ 1,737,411 ----------- 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 Financial Resources Inc 3. 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 AMERICAN FINANCIAL GROUP - ------------------------------------ GREAT AMERN FINL RES INC COM 389915 10 9 236,024 9,641,500SH Sole 9,641,500 RELIANT ENERGY INC COM 75952B 10 5 235 11,547SH Sole 11,547 SEACOR HOLDINGS INC COM 811904 10 1 520 5,280SH Sole 5,280

HOLDINGS OF GREAT AMERICAN INSURANCE COMPANY - ------------------------------ GLOBAL CROSSING LTD SHS NEW G3921A 17 5 179 6,521SH Defined 1 6,521 ALASKA AIR GROUP INC COM 011659 10 9 1,124 29,500SH Defined " 29,500 ALLIANCE RES PARTNER L P UT LTD PART 01877R 10 8 493 13,000SH Defined " 13,000 ALPHA NATURAL RESOURCES INC COM 02076X 10 2 5,413 346,300SH Defined " 346,300 ARCELOR MITTAL NY REG SH CL A 03937E 10 1 2,992 56,568SH Defined " 56,568 ARCHER DANIELS MIDLAND CO COM 039483 10 2 1,321 36,000SH Defined " 36,000 BLACK BOX CORP DEL COM 091826 10 7 3,703 101,350SH Defined " 101,350 BORDERS GROUP INC COM 099709 10 7 225 11,000SH Defined " 11,000 BOSTON SCIENTIFIC CORP COM 101137 10 7 4,089 281,250SH Defined " 281,250 CBS CORP NEW CL B 124857 20 2 1,315 43,000SH Defined " 43,000 CV THERAPEUTICS INC COM 126667 10 4 622 79,000SH Defined " 79,000 CABLEVISION SYS CORP CL A NY CABLVS 12686C 10 9 2,492 81,900SH Defined " 81,900 CITIGROUP INC COM 172967 10 1 18,226 355,000SH Defined " 355,000 CLEAR CHANNEL COMMUNICATIONS COM 184502 10 2 4,555 130,000SH Defined " 130,000 CLEARWIRE CORP CL A 185385 30 9 819 40,000SH Defined " 40,000 COLONIAL BANCGROUP INC COM 195493 30 9 2,475 100,000SH Defined " 100,000 COMPUCREDIT CORP COM 20478N 10 0 3,501 112,136SH Defined " 112,136 DISNEY WALT CO COM DISNEY 254687 10 6 6,301 183,000SH Defined " 183,000 DORAL FINL CORP COM 25811P 10 0 19 11,550SH Defined " 11,550 EMBARQ CORP COM 29078E 10 5 627 11,130SH Defined " 11,130 ENERGY EAST CORP COM 29266M 10 9 495 20,300SH Defined " 20,300 FEDERAL NATL MTG ASSN COM 313586 10 9 2,129 39,000SH Defined " 39,000 FIFTH THIRD BANCORP COM 316773 10 0 2,034 52,563SH Defined " 52,563 FLAGSTAR BANCORP INC COM 337930 10 1 1,972 165,000SH Defined " 165,000 FLEETWOOD ENTERPRISES INC COM 339099 10 3 132 16,700SH Defined " 16,700 FOUNDATION COAL HLDGS INC COM 35039W 10 0 687 20,000SH Defined " 20,000 GENERAL ELECTRIC CO COM 369604 10 3 1,361 38,500SH Defined " 38,500 GLOBALSTAR INC COM 378973 40 8 0 4,134SH Defined " 4,134 GREAT AMERN FINL RES INC COM 389915 10 9 708,072 28,924,495SH Defined " 28,924,495 HARTFORD FINL SVCS GROUP INC COM 416515 10 4 1,434 15,000SH Defined " 15,000 HOME DEPOT INC COM 437076 10 2 790 21,500SH Defined " 21,500 JP MORGAN CHASE & CO COM 46625H 10 0 1,693 35,000SH Defined " 35,000 JOHNSON & JOHNSON COM 478160 10 4 7,081 117,500SH Defined " 117,500 LANDRYS RESTAURANTS INC COM 51508L 10 3 1,480 50,000SH Defined " 50,000 LOWES COS INC COM 548661 10 7 1,889 60,000SH Defined " 60,000 M D C HLDGS INC COM 552676 10 8 1,336 27,800SH Defined " 27,800 NATIONAL CITY CORP COM 635405 10 3 81,033 2,175,392SH Defined " 2,175,392 NATIONAL INTERSTATE CORP COM 63654U 10 0 262,752 10,200,000SH Defined " 10,200,000 NEWS CORP CL A 65248E 10 4 2,890 125,000SH Defined " 125,000 NEWS CORP CL B 65248E 20 3 1,126 46,000SH Defined " 46,000 NEWSTAR FINANCIAL INC COM 65251F 10 5 1,006 60,000SH Defined " 60,000 PATTERSON UTI ENERGY INC COM 703481 10 1 898 40,000SH Defined " 40,000 PEPCO HOLDINGS INC COM 713291 10 2 1,175 40,500SH Defined " 40,500 PFIZER INC COM 717081 10 3 10,483 415,000SH Defined " 415,000 PULTE HOMES INC COM 745867 10 1 463 17,500SH Defined " 17,500 ROWAN COS INC COM 779382 10 0 4,221 130,000SH Defined " 130,000 SPDR TR UNIT SER 1 78462F 10 3 7,100 50,000SH Defined " 50,000 SARA LEE CORP COM 803111 10 3 846 50,000SH Defined " 50,000 SEACOR HOLDINGS INC COM 811904 10 1 341 3,463SH Defined " 3,463 SPRINT NEXTEL CORP COM FON 852061 10 0 9,956 525,100SH Defined " 525,100 TERRA INDS INC COM 880915 10 3 394 22,500SH Defined " 22,500 TERRA NITROGEN CO L P COM UNIT 881005 20 1 487 8,500SH Defined " 8,500 TIME WARNER INC COM 887317 10 5 516 26,149SH Defined " 26,149 TOLL BROTHERS INC COM 889478 10 3 1,328 48,500SH Defined " 48,500 TORTOISE ENERGY CAP CORP COM 89147U 10 0 767 25,800SH Defined " 25,800 TYCO INTL LTD NEW COM 902124 10 6 6,231 197,500SH Defined " 197,500 UAL CORP COM NEW 902549 80 7 1,624 42,549SH Defined " 42,549 US BANCORP DEL COM NEW 902973 30 4 420 12,000SH Defined " 12,000 U S AIRWAYS GROUP INC COM 90341W 10 8 2,115 46,500SH Defined " 46,500 VIACOM INC NEW CL B 92553P 20 1 2,795 68,000SH Defined " 68,000 VIRGIN MEDIA INC COM 92769L 10 1 15,600 617,807SH Defined " 617,807 WALTER INDS INC COM 93317Q 10 5 1,393 56,300SH Defined " 56,300 WASHINGTON MUT INC COM 939322 10 3 1,259 31,185SH Defined " 31,185 YAHOO INC COM 984332 10 6 3,317 106,000SH Defined " 106,000 ZENITH NATL INS CORP COM 989390 10 9 1,751 37,050SH Defined " 37,050

HOLDINGS OF GREAT AMERICAN LIFE INSURANCE COMPANY - ---------------------------- ALASKA AIR GROUP INC COM 011659 10 9 2,617 68,700SH Defined 1,2,3 68,700 ALLIANCE RES PARTNER L P UT LTD PART 01877R 10 8 1,939 51,124SH Defined " 51,124 ALPHA NATURAL RESOURCES INC COM 02076X 10 2 6,219 397,900SH Defined " 397,900 ARCELOR MITTAL NY REG SH CL A 03937E 10 1 3,069 58,025SH Defined " 58,025 ARCHER DANIELS MIDLAND CO COM 039483 10 2 1,321 36,000SH Defined " 36,000 BLACK BOX CORP DEL COM 091826 10 7 3,703 101,350SH Defined " 101,350 BORDERS GROUP INC COM 099709 10 7 225 11,000SH Defined " 11,000 BOSTON SCIENTIFIC CORP COM 101137 10 7 4,496 309,250SH Defined " 309,250 CBS CORP NEW CL B 124857 20 2 2,921 95,500SH Defined " 95,500 CV THERAPEUTICS INC COM 126667 10 4 763 97,000SH Defined " 97,000 CABLEVISION SYS CORP CL A NY CABLVS 12686C 10 9 3,825 125,700SH Defined " 125,700 CITIGROUP INC COM 172967 10 1 6,161 120,000SH Defined " 120,000 CLEAR CHANNEL COMMUNICATIONS COM 184502 10 2 4,555 130,000SH Defined " 130,000 CLEARWIRE CORP CL A 185385 30 9 819 40,000SH Defined " 40,000 COLONIAL BANCGROUP INC COM 195493 30 9 2,475 100,000SH Defined " 100,000 COMPUCREDIT CORP COM 20478N 10 0 3,081 98,672SH Defined " 98,672 DISNEY WALT CO COM DISNEY 254687 10 6 6,301 183,000SH Defined " 183,000 DORAL FINL CORP COM 25811P 10 0 25 15,440SH Defined " 15,440 EMBARQ CORP COM 29078E 10 5 671 11,910SH Defined " 11,910 FEDERAL HOME LN MTG CORP COM 313400 30 1 1,963 33,000SH Defined " 33,000 FEDERAL NATL MTG ASSN COM 313586 10 9 2,129 39,000SH Defined " 39,000 FIFTH THIRD BANCORP COM 316773 10 0 1,977 51,100SH Defined " 51,100 FLAGSTAR BANCORP INC COM 337930 10 1 1,972 165,000SH Defined " 165,000 FLEETWOOD ENTERPRISES INC COM 339099 10 3 198 25,000SH Defined " 25,000 FOUNDATION COAL HLDGS INC COM 35039W 10 0 1,374 40,000SH Defined " 40,000 GENERAL ELECTRIC CO COM 369604 10 3 3,518 99,500SH Defined " 99,500 GLOBALSTAR INC COM 378973 40 8 0 12,402SH Defined " 12,402 HARTFORD FINL SVCS GROUP INC COM 416515 10 4 1,434 15,000SH Defined " 15,000 HOME DEPOT INC COM 437076 10 2 790 21,500SH Defined " 21,500 JP MORGAN CHASE & CO COM 46625H 10 0 184 3,800SH Defined " 3,800 JOHNSON & JOHNSON COM 478160 10 4 8,135 135,000SH Defined " 135,000 LANDRYS RESTAURANTS INC COM 51508L 10 3 1,489 50,300SH Defined " 50,300 LOWES COS INC COM 548661 10 7 3,741 118,804SH Defined " 118,804 M D C HLDGS INC COM 552676 10 8 1,606 33,400SH Defined " 33,400 NRG ENERGY INC COM NEW 629377 50 8 1,922 26,675SH Defined " 26,675 NEWS CORP CL A 65248E 10 4 2,890 125,000SH Defined " 125,000 NEWS CORP CL B 65248E 20 3 1,566 64,000SH Defined " 64,000 NEWSTAR FINANCIAL INC COM 65251F 10 5 1,508 90,000SH Defined " 90,000 NUVEEN FLTNG RTE INCM OPP FD COM SHS 6706EN 10 0 1,108 78,300SH Defined " 78,300 PATTERSON UTI ENERGY INC COM 703481 10 1 898 40,000SH Defined " 40,000 PFIZER INC COM 717081 10 3 7,199 285,000SH Defined " 285,000 PIMCO HIGH INCOME FD COM SHS 722014 10 7 1,960 122,800SH Defined " 122,800 PULTE HOMES INC COM 745867 10 1 992 37,500SH Defined " 37,500 ROWAN COS INC COM 779382 10 0 4,221 130,000SH Defined " 130,000 SPDR TR UNIT SER 1 78462F 10 3 7,100 50,000SH Defined " 50,000 SEACOR HOLDINGS INC COM 811904 10 1 1,042 10,585SH Defined " 10,585 SPRINT NEXTEL CORP COM FON 852061 10 0 13,172 694,700SH Defined " 694,700 TERRA INDS INC COM 880915 10 3 1,006 57,500SH Defined " 57,500 TERRA NITROGEN CO L P COM UNIT 881005 20 1 493 8,600SH Defined " 8,600 TOLL BROTHERS INC COM 889478 10 3 1,328 48,500SH Defined " 48,500 TORTOISE ENERGY CAP CORP COM 89147U 10 0 3,582 120,500SH Defined " 120,500 TYCO INTL LTD NEW COM 902124 10 6 9,859 312,500SH Defined " 312,500 UAL CORP COM NEW 902549 80 7 2,778 72,775SH Defined " 72,775 US BANCORP DEL COM NEW 902973 30 4 385 11,000SH Defined " 11,000 U S AIRWAYS GROUP INC COM 90341W 10 8 2,570 56,500SH Defined " 56,500 VIACOM INC NEW CL B 92553P 20 1 4,954 120,500SH Defined " 120,500 VIRGIN MEDIA INC COM 92769L 10 1 9,155 362,588SH Defined " 362,588 WALTER INDS INC COM 93317Q 10 5 1,022 41,300SH Defined " 41,300 YAHOO INC COM 984332 10 6 8,839 282,500SH Defined " 282,500

HOLDINGS OF OTHER ENTITIES EACH HAVING LESS THAN $100 MILLION IN 13F SECURITIES - ------------------------------ GLOBAL CROSSING LTD SHS NEW G3921A 17 5 391 14,224SH Defined 1,2,3 14,224 ALASKA AIR GROUP INC COM 011659 10 9 1,281 33,600SH Defined 1 33,600 ALPHA NATURAL RESOURCES INC COM 02076X 10 2 625 40,000SH Defined " 40,000 BOSTON SCIENTIFIC CORP COM 101137 10 7 364 25,000SH Defined 25,000 BRISTOL MYERS SQUIBB CO COM 110122 10 8 278 10,000SH Defined 1 10,000 CITIGROUP INC COM 172967 10 1 110 2,133SH Defined " 2,133 COMPUCREDIT CORP COM 20478N 10 0 468 15,000SH Defined 1,2,3 15,000 DOMINION RES INC VA NEW COM 25746U 10 9 300 3,380SH Defined 1 3,380 EATON VANCE TAX MNG GBL DV E COM 27829F 10 8 300 15,000SH Defined " 15,000 EMBARQ CORP COM 29078E 10 5 42 750SH Defined 750 ENERGY EAST CORP COM 29266M 10 9 487 20,000SH Defined 20,000 FEDERAL HOME LN MTG CORP COM 313400 30 1 1,963 33,000SH Defined 33,000 FOUNDATION COAL HLDGS INC COM 35039W 10 0 687 20,000SH Defined 20,000 GENERAL ELECTRIC CO COM 369604 10 3 2,158 61,000SH Defined 61,000 GREAT AMERN FINL RES INC COM 389915 10 9 24 983SH Defined 983 ING GLOBAL EQTY DIV & PREM O COM 45684E 10 7 210 10,000SH Defined 1 10,000 ISHARES INC MSCI PAC J IDX 464286 66 5 211 1,570SH Defined " 1,570 ISHARES TR DJ US TELECOMM 464287 71 3 252 8,100SH Defined " 8,100 ISHARES TR DJ US TECH SEC 464287 72 1 710 13,160SH Defined " 13,160 JOHNSON & JOHNSON COM 478160 10 4 1,055 17,500SH Defined 17,500 LOWES COS INC COM 548661 10 7 1,732 55,000SH Defined 55,000 M D C HLDGS INC COM 552676 10 8 264 5,500SH Defined 5,500 MANAGED HIGH YIELD PLUS FD I COM 561911 10 8 51 10,000SH Defined 1 10,000 NRG ENERGY INC COM NEW 629377 50 8 1,285 17,839SH Defined 1,2,3 17,839 NATIONAL CITY CORP COM 635405 10 3 2,845 76,359SH Defined 76,359 PEPCO HOLDINGS INC COM 713291 10 2 290 10,000SH Defined 1 10,000 PFIZER INC COM 717081 10 3 1,389 55,000SH Defined 55,000 POWERSHARES ETF TRUST DYNAMIC MKT PT 73935X 10 4 358 7,000SH Defined 1 7,000 POWERSHARES ETF TRUST HI YLD EQ DVDN 73935X 30 2 238 15,000SH Defined " 15,000 PULTE HOMES INC COM 745867 10 1 529 20,000SH Defined 20,000 SPDR TR UNIT SER 1 78462F 10 3 48,110 338,800SH Other 338,800 SEACOR HOLDINGS INC COM 811904 10 1 550 5,591SH Defined 5,591 SELECT SECTOR SPDR TR SBI HEALTHCARE 81369Y 20 9 1,208 35,900SH Defined 1 35,900 SELECT SECTOR SPDR TR SBI CONS STPLS 81369Y 30 8 521 19,560SH Defined " 19,560 SELECT SECTOR SPDR TR SBI CONS DISCR 81369Y 40 7 853 22,420SH Defined " 22,420 SELECT SECTOR SPDR TR SBI INT-ENERGY 81369Y 50 6 603 10,000SH Defined " 10,000 SELECT SECTOR SPDR TR SBI INT-FINL 81369Y 60 5 1,866 52,370SH Defined " 52,370 SELECT SECTOR SPDR TR SBI INT-INDS 81369Y 70 4 888 24,985SH Defined " 24,985 SELECT SECTOR SPDR TR SBI INT-UTILS 81369Y 88 6 453 11,400SH Defined " 11,400 SPRINT NEXTEL CORP COM FON 852061 10 0 3,185 168,000SH Defined " 168,000 TERRA INDS INC COM 880915 10 3 613 35,000SH Defined 35,000 UAL CORP COM NEW 902549 80 7 1,536 40,245SH Defined 1,2,3 40,245 U S AIRWAYS GROUP INC COM 90341W 10 8 455 10,000SH Defined 10,000 VIRGIN MEDIA INC COM 92769L 10 1 17,170 680,000SH Defined 1,2,3 680,000 WALTER INDS INC COM 93317Q 10 5 1,609 65,000SH Defined " 65,000 YAHOO INC COM 984332 10 6 5,507 176,000SH Defined 176,000 ---------- REPORT TOTAL $1,737,411 ==========