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

                                    FORM 13F

                              FORM 13F COVER PAGE


                 Report for the Quarter Ended March 31, 2012



                          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 14, 2012
-------------------------------
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): $1,090,939 ----------- 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 -------------------------------------------- ABBOTT LABS COM 002824 10 0 4,290 70,000SH Defined 1 70,000 AIR PRODS & CHEMS INC COM 009158 10 6 12,630 137,584SH Defined " 137,584 AMERICAN RAILCAR INDS INC COM 02916P 10 3 1,246 53,000SH Defined " 53,000 ANWORTH MORTGAGE ASSET CP COM 037347 10 1 823 125,000SH Defined " 125,000 APPLE INC COM 037833 10 0 5,996 10,000SH Defined " 10,000 ARCH COAL INC COM 039380 10 0 7,979 745,000SH Defined " 745,000 BANK OF AMERICA CORPORATION COM 060505 10 4 5,820 608,120SH Defined " 608,120 BEST BUY INC COM 086516 10 1 4,400 185,800SH Defined " 185,800 CALAMP CORP COM 128126 10 9 678 139,750SH Defined " 139,750 CAPITOL FED FINL INC COM 14057J 10 1 428 36,000SH Defined " 36,000 CHEVRON CORP NEW COM 166764 10 0 8,716 81,300SH Defined " 81,300 CITIGROUP INC COM NEW 172967 42 4 15,534 425,000SH Defined " 425,000 COMCAST CORP NEW CL A 20030N 10 1 12,109 403,500SH Defined " 403,500 CUMULUS MEDIA INC CL A 231082 10 8 62 17,777SH Defined " 17,777 DELTA AIR LINES INC DEL COM NEW 247361 70 2 409 41,216SH Defined " 41,216 DISH NETWORK CORP CL A 25470M 10 9 1,241 37,675SH Defined " 37,675 ECHOSTAR CORP CL A 278768 10 6 697 24,786SH Defined " 24,786 ELLINGTON FINANCIAL LLC COM 288522 30 3 6,116 312,700SH Defined " 312,700 EMERSON ELEC CO COM 291011 10 4 7,044 135,000SH Defined " 135,000 FIRST FINL BANCORP OH COM 320209 10 9 3,806 220,000SH Defined " 220,000 FLAGSTAR BANCORP INC COM NEW 337930 50 7 15 16,500SH Defined " 16,500 FULL HOUSE RESORTS INC COM 359678 10 9 100 35,331SH Defined " 35,331 GENERAL ELECTRIC CO COM 369604 10 3 13,547 675,000SH Defined " 675,000 HCA HOLDINGS INC COM 40412C 10 1 7,510 303,559SH Defined " 303,559 HANMI FINL CORP COM NEW 410495 20 4 2,103 207,813SH Defined " 207,813 HEINZ H J CO COM 423074 10 3 11,125 207,750SH Defined " 207,750 HEWLETT PACKARD CO COM 428236 10 3 11,629 488,000SH Defined " 488,000 HOMESTREET INC COM 43785V 10 2 1,112 40,000SH Defined " 40,000 INSTEEL INDUSTRIES INC COM 45774W 10 8 299 24,609SH Defined " 24,609 INTEL CORP COM 458140 10 0 14,873 529,000SH Defined " 529,000 INTERNATIONAL BUSINESS MACHS COM 459200 10 1 15,805 75,750SH Defined " 75,750 JPMORGAN CHASE & CO COM 46625H 10 0 15,633 340,000SH Defined " 340,000 JOHNSON & JOHNSON COM 478160 10 4 15,896 241,000SH Defined " 241,000 KELLOGG CO COM 487836 10 8 11,737 218,850SH Defined " 218,850 KIMBERLY CLARK CORP COM 494368 10 3 14,778 200,000SH Defined " 200,000 KOHLS CORP COM 500255 10 4 7,505 150,000SH Defined " 150,000 KRAFT FOODS INC CL A 50075N 10 4 17,988 473,250SH Defined " 473,250 LEUCADIA NATL CORP COM 527288 10 4 199 7,633SH Defined " 7,633 LINCOLN NATL CORP IND COM 534187 10 9 1,318 50,000SH Defined " 50,000 LOCKHEED MARTIN CORP COM 539830 10 9 4,538 50,500SH Defined " 50,500 LOWES COS INC COM 548661 10 7 1,004 32,000SH Defined " 32,000 MYR GROUP INC DEL COM 55405W 10 4 6,869 384,615SH Defined " 384,615 MCGRAW HILL COS INC COM 580645 10 9 4,847 100,000SH Defined " 100,000 MEDTRONIC INC COM 585055 10 6 4,703 120,000SH Defined " 120,000 MERCK & CO INC NEW COM 58933Y 10 5 9,638 251,000SH Defined " 251,000 METLIFE INC COM 59156R 10 8 5,210 139,500SH Defined " 139,500 MICROSOFT CORP COM 594918 10 4 21,014 651,500SH Defined " 651,500 MOTRICITY INC COM 620107 10 2 62 56,525SH Defined " 56,525 NATIONAL INTERSTATE CORP COM 63654U 10 0 260,916 10,200,000SH Defined " 10,200,000 NEW YORK CMNTY BANCORP INC COM 649445 10 3 4,869 350,000SH Defined " 350,000 O CHARLEYS INC COM 670823 10 3 290 29,500SH Defined " 29,500 OMEROS CORP COM 682143 10 2 1,013 102,040SH Defined " 102,040 PATTERSON UTI ENERGY INC COM 703481 10 1 692 40,000SH Defined " 40,000 PEOPLES UNITED FINANCIAL INC COM 712704 10 5 10,981 830,000SH Defined " 830,000 PEPSICO INC COM 713448 10 8 14,269 215,050SH Defined " 215,050 PFIZER INC COM 717081 10 3 9,466 418,000SH Defined " 418,000 PROCTER & GAMBLE CO COM 742718 10 9 8,737 130,000SH Defined " 130,000 PRUDENTIAL FINL INC COM 744320 10 2 2,219 35,000SH Defined " 35,000 RAYTHEON CO COM NEW 755111 50 7 3,985 75,500SH Defined " 75,500 STAPLES INC COM 855030 10 2 2,429 150,000SH Defined " 150,000 TARGET CORP COM 87612E 10 6 16,316 280,000SH Defined " 280,000 3M CO COM 88579Y 10 1 14,407 161,500SH Defined " 161,500 TIME WARNER INC COM NEW 887317 30 3 7,124 188,716SH Defined " 188,716 TORTOISE ENERGY CAP CORP COM 89147U 10 0 731 25,800SH Defined " 25,800 UNITED CONTL HLDGS INC COM 910047 10 9 2,796 130,024SH Defined " 130,024 VERISK ANALYTICS INC CL A 92345Y 10 6 115,802 2,465,453SH Defined " 2,465,453 VIRGIN MEDIA INC COM 92769L 10 1 18,430 737,807SH Defined " 737,807 WAL MART STORES INC COM 931142 10 3 11,628 190,000SH Defined " 190,000 WALGREEN CO COM 931422 10 9 8,255 246,500SH Defined " 246,500 WASTE MGMT INC DEL COM 94106L 10 9 16,078 459,900SH Defined " 459,900 WELLS FARGO & CO NEW COM 949746 10 1 11,608 340,000SH Defined " 340,000

HOLDINGS OF GREAT AMERICAN LIFE INSURANCE COMPANY --------------------------- AIR PRODS & CHEMS INC COM 009158 10 6 5,049 55,000SH Defined 2 55,000 AMERICAN RAILCAR INDS INC COM 02916P 10 3 541 23,031SH Defined " 23,031 ANNALY CAP MGMT INC COM 035710 40 9 1,266 80,000SH Defined " 80,000 ANWORTH MORTGAGE ASSET CP COM 037347 10 1 823 125,000SH Defined " 125,000 APPLE INC COM 037833 10 0 5,996 10,000SH Defined " 10,000 BEST BUY INC COM 086516 10 1 1,610 68,000SH Defined " 68,000 CALAMP CORP COM 128126 10 9 683 140,750SH Defined " 140,750 CITIGROUP INC COM NEW 172967 42 4 7,676 210,000SH Defined " 210,000 COMCAST CORP NEW CL A 20030N 10 1 11,104 370,000SH Defined " 370,000 CUMULUS MEDIA INC CL A 231082 10 8 108 31,032SH Defined " 31,032 DELTA AIR LINES INC DEL COM NEW 247361 70 2 266 26,829SH Defined " 26,829 DEX ONE CORP COM 25212W 10 0 15 10,772SH Defined " 10,772 DISH NETWORK CORP CL A 25470M 10 9 1,861 56,512SH Defined " 56,512 ECHOSTAR CORP CL A 278768 10 6 1,046 37,179SH Defined " 37,179 ELLINGTON FINANCIAL LLC COM 288522 30 3 13,713 701,153SH Defined " 701,153 ENTERPRISE PRODS PARTNERS L COM 293792 10 7 1,225 24,276SH Defined " 24,276 FLAGSTAR BANCORP INC COM NEW 337930 50 7 15 16,500SH Defined " 16,500 FULL HOUSE RESORTS INC COM 359678 10 9 90 31,617SH Defined " 31,617 GENERAL ELECTRIC CO COM 369604 10 3 9,533 475,000SH Defined " 475,000 HANMI FINL CORP COM NEW 410495 20 4 3,906 385,938SH Defined " 385,938 HEWLETT PACKARD CO COM 428236 10 3 3,193 134,000SH Defined " 134,000 HOMESTREET INC COM 43785V 10 2 3,336 120,000SH Defined " 120,000 INSTEEL INDUSTRIES INC COM 45774W 10 8 270 22,216SH Defined " 22,216 JPMORGAN CHASE & CO COM 46625H 10 0 4,138 90,000SH Defined " 90,000 LEUCADIA NATL CORP COM 527288 10 4 217 8,315SH Defined " 8,315 LINCOLN NATL CORP IND COM 534187 10 9 4,481 170,000SH Defined " 170,000 MARATHON OIL CORP COM 565849 10 6 8,559 270,000SH Defined " 270,000 METLIFE INC COM 59156R 10 8 11,791 315,700SH Defined " 315,700 MOTRICITY INC COM 620107 10 2 93 84,788SH Defined " 84,788 O CHARLEYS INC COM 670823 10 3 199 20,256SH Defined " 20,256 OMEROS CORP COM 682143 10 2 1,520 153,061SH Defined " 153,061 ORACLE CORP COM 68389X 10 5 4,811 165,000SH Defined " 165,000 PATTERSON UTI ENERGY INC COM 703481 10 1 692 40,000SH Defined " 40,000 PLAINS ALL AMERN PIPELINE L UNIT LTD PARTN 726503 10 5 2,746 35,000SH Defined " 35,000 PRUDENTIAL FINL INC COM 744320 10 2 5,071 80,000SH Defined " 80,000 REDWOOD TR INC COM 758075 40 2 2,800 250,000SH Defined " 250,000 RESEARCH IN MOTION LTD COM 760975 10 2 1,470 100,000SH Defined " 100,000 TARGET CORP COM 87612E 10 6 1,748 30,000SH Defined " 30,000 TORTOISE ENERGY CAP CORP COM 89147U 10 0 2,434 85,900SH Defined " 85,900 UNITED CONTL HLDGS INC COM 910047 10 9 2,473 115,000SH Defined " 115,000 VIRGIN MEDIA INC COM 92769L 10 1 10,288 411,838SH Defined " 411,838 VODAFONE GROUP PLC NEW SPONS ADR NEW 92857W 20 9 9,560 345,500SH Defined " 345,500 WAL MART STORES INC COM 931142 10 3 612 10,000SH Defined " 10,000

HOLDINGS OF OTHER ENTITIES EACH HAVING LESS THAN $100 MILLION IN 13F SECURITIES ------------------------------ ACE LTD SHS H0023R 10 5 4,612 63,000SH Sole 63,000 AT&T INC COM 00206R 10 2 640 20,500SH Defined 1 20,500 ABBOTT LABS COM 002824 10 0 558 9,100SH Defined " 9,100 ACTUATE CORP COM 00508B 10 2 102 16,313SH Defined " 16,313 AMERICAN RAILCAR INDS INC COM 02916P 10 3 695 29,550SH Defined 2 29,550 ARCH COAL INC COM 039380 10 0 1,178 110,000SH Defined 110,000 BANK OF AMERICA CORPORATION COM 060505 10 4 4,531 473,480SH Defined 1 473,480 BERKLEY W R CORP COM 084423 10 2 4,226 117,000SH Sole 117,000 BEST BUY INC COM 086516 10 1 2,041 86,200SH Defined 86,200 BLDRS INDEX FDS TR EMER MK 50 ADR 09348R 30 0 1,993 47,209SH Defined 1 47,209 CAMPBELL SOUP CO COM 134429 10 9 508 15,000SH Defined " 15,000 CARDINAL FINL CORP COM 14149F 10 9 116 10,296SH Defined " 10,296 CHEVRON CORP NEW COM 166764 10 0 375 3,500SH Defined " 3,500 CHUBB CORP COM 171232 10 1 4,907 71,000SH Sole 71,000 CLAYMORE EXCHANGE TRD FD TR GUG MULTI ASSET 18383M 50 6 532 24,355SH Defined 1 24,355 CONOCOPHILLIPS COM 20825C 10 4 532 7,000SH Defined " 7,000 DELTA AIR LINES INC DEL COM NEW 247361 70 2 129 13,003SH Defined 1,2 13,003 DU PONT E I DE NEMOURS & CO COM 263534 10 9 291 5,500SH Defined 1 5,500 EATON CORP COM 278058 10 2 573 11,500SH Defined " 11,500 EATON VANCE TAX MNGD GBL DV COM 27829F 10 8 356 40,000SH Defined " 40,000 ELLINGTON FINANCIAL LLC COM 288522 30 3 782 40,000SH Defined 40,000 FIRST FINL BANCORP OH COM 320209 10 9 83 4,784SH Defined 1 4,784 GENERAL ELECTRIC CO COM 369604 10 3 702 35,000SH Defined " 35,000 GENERAL MLS INC COM 370334 10 4 592 15,000SH Defined " 15,000 GLOBAL CASH ACCESS HLDGS INC COM 378967 10 3 101 12,942SH Defined " 12,942 HEWLETT PACKARD CO COM 428236 10 3 1,144 48,000SH Defined 48,000 HOMESTREET INC COM 43785V 10 2 2,224 80,000SH Defined 80,000 ILLINOIS TOOL WKS INC COM 452308 10 9 314 5,500SH Defined 1 5,500 INDEXIQ ETF TR IQ GLB RES ETF 45409B 88 3 860 29,545SH Defined " 29,545 ISHARES TR MSCI EAFE INDEX 464287 46 5 2,093 38,127SH Defined " 38,127 ISHARES TR S&P MIDCAP 400 464287 50 7 1,489 15,009SH Defined " 15,009 JOHNSON & JOHNSON COM 478160 10 4 541 8,200SH Defined " 8,200 KEYCORP NEW COM 493267 10 8 444 52,222SH Defined " 52,222 KIMBERLY CLARK CORP COM 494368 10 3 602 8,150SH Defined " 8,150 LTX-CREDENCE CORP COM NEW 502403 20 7 95 13,237SH Defined " 13,237 LEGGETT & PLATT INC COM 524660 10 7 656 28,500SH Defined " 28,500 LEUCADIA NATL CORP COM 527288 10 4 14 526SH Defined " 526 LILLY ELI & CO COM 532457 10 8 644 16,000SH Defined " 16,000 LOCKHEED MARTIN CORP COM 539830 10 9 728 8,100SH Defined " 8,100 MANAGED HIGH YIELD PLUS FD I COM 561911 10 8 22 10,000SH Defined " 10,000 MERCK & CO INC NEW COM 58933Y 10 5 768 20,000SH Defined 20,000 MICROSOFT CORP COM 594918 10 4 484 15,000SH Defined 1 15,000 O CHARLEYS INC COM 670823 10 3 240 24,398SH Defined 24,398 PETROQUEST ENERGY INC COM 716748 10 8 72 11,803SH Defined 1 11,803 PFIZER INC COM 717081 10 3 453 20,000SH Defined 20,000 PHILIP MORRIS INTL INC COM 718172 10 9 576 6,500SH Defined 1 6,500 POWERSHARES ETF TRUST DYNAMIC MKT PT 73935X 10 4 1,231 26,391SH Defined " 26,391 POWERSHARES ETF TRUST HI YLD EQ DVDN 73935X 30 2 282 29,947SH Defined " 29,947 PROCTER & GAMBLE CO COM 742718 10 9 631 9,391SH Defined " 9,391 RAMCO-GERSHENSON PPTYS TR COM SH BEN INT 751452 20 2 126 10,300SH Defined " 10,300 RAYTHEON CO COM NEW 755111 50 7 639 12,100SH Defined " 12,100 RESEARCH IN MOTION LTD COM 760975 10 2 588 40,000SH Defined 40,000 REVENUESHARES ETF TR SMALL CAP FD 761396 30 8 761 20,932SH Defined 1 20,932 SPDR S&P 500 ETF TR TR UNIT 78462F 10 3 1,514 10,749SH Defined " 10,749 SELECT SECTOR SPDR TR SBI MATERIALS 81369Y 10 0 282 7,628SH Defined " 7,628 SELECT SECTOR SPDR TR SBI CONS STPLS 81369Y 30 8 343 10,052SH Defined " 10,052 SYSCO CORP COM 871829 10 7 567 19,000SH Defined " 19,000 THOMSON REUTERS CORP COM 884903 10 5 520 18,000SH Defined " 18,000 UNITED CONTL HLDGS INC COM 910047 10 9 1,183 55,000SH Defined 2 55,000 VANGUARD SPECIALIZED PORTFOL DIV APP ETF 921908 84 4 532 9,094SH Defined 1 9,094 VANGUARD INDEX FDS REIT ETF 922908 55 3 1,283 20,161SH Defined " 20,161 VIACOM INC NEW CL B 92553P 20 1 3,797 80,000SH Defined 80,000 VIRGIN MEDIA INC COM 92769L 10 1 14,714 589,050SH Defined 2 589,050 VODAFONE GROUP PLC NEW SPONS ADR NEW 92857W 20 9 2,615 94,500SH Defined 94,500 WISCONSIN ENERGY CORP COM 976657 10 6 563 16,000SH Defined 1 16,000 ---------- REPORT TOTAL $1,090,939 ==========