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

                                    FORM 13F

                              FORM 13F COVER PAGE


                   Report for the Quarter Ended September 30, 1999



                          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:

Fred J. Runk                            Cincinnati, Ohio      November 5, 1999
- ----------------------------------
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:                         5
                                                     ----------

Form 13F Information Table Entry Total:                   50
                                                      ----------

Form 13F Information Table Value Total (thousands):   $1,224,434
                                                      ----------


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.             28-5042             AFC Holding Company

       2.             28-497              American Financial Corporation

       3.             28-2414             American Premier Underwriters, Inc.

       4.             28-3978             Pennsylvania Company

       5.             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 - ------------------------------ AMERICAN ANNUITY GROUP INC COM 023840 10 1 $730,267 33,769,593SH Defined 1,2,5 33,769,593 AT HOME CORP COM SER A 045919 10 7 414 10,000SH Defined " 10,000 CHIQUITA BRANDS INTL INC COM 170032 10 6 82,824 13,949,346SH Defined " 13,949,346 COMCAST CORP CL A 200300 10 1 361 10,000SH Defined " 10,000 COMCAST CORP CL A SPL 200300 20 0 399 10,000SH Defined " 10,000 CONSECO INC COM 208464 10 7 665 35,000SH Defined " 35,000 MARSH SUPERMARKETS INC CL B 571783 20 8 504 39,543SH Defined " 39,543 MARSH SUPERMARKETS INC CL A 571783 30 7 630 39,543SH Defined " 39,543 PROVIDENT FINL GROUP INC COM 743866 10 5 190,501 5,210,271SH Defined " 5,210,271 TIME WARNER INC COM 887315 10 9 47 778SH Defined " 778 UNITED STATIONERS INC COM 913004 10 7 1,188 55,734SH Defined " 55,734 WASHINGTON MUT INC COM 939322 10 3 2,118 72,423SH Defined " 72,423 HOLDINGS OF OTHER SUBSIDIARIES OF AFG EACH HAVING LESS THAN $100 MILLION IN 13F SECURITIES - ------------------------------ ADELPHIA COMMUNICATIONS CORP CL A 006848 10 5 7,446 126,600SH Defined 1,2,3,4 126,600 AMERICAN ANNUITY GROUP INC COM 023840 10 1 27,905 1,290,402SH Defined 1,2,5 1,290,402 AT HOME CORP COM SER A 045919 10 7 6,797 164,018SH Defined 1,2,3,4 164,018 ASTORIA FINL CORP COM 046265 10 4 1,275 41,450SH Defined 1,2,3,4,5 41,450 BANCO SANTANDER P R SAN JUAN COM 059646 10 9 425 25,000SH Defined 1,2,5 25,000 BERKLEY W R CORP COM 084423 10 2 727 31,630SH Defined 1,2,3,4 31,630 BRISTOL MYERS SQUIBB CO COM 110122 10 8 675 10,000SH Defined " 10,000 CABLEVISION SYS CORP CL A 12686C 10 9 9,865 135,600SH Defined 1,2,3,4,5 135,600 CHIQUITA BRANDS INTL INC COM 170032 10 6 59,654 10,046,949SH Defined " 10,046,949 COMCAST CORP CL A 200300 10 1 2,706 75,000SH Defined 1,2,3,4 75,000 COMCAST CORP CL A SPL 200300 20 0 2,992 75,000SH Defined " 75,000 CONSECO INC COM 208464 10 7 2,831 149,000SH Defined 1,2,3,4,5 149,000 FIDELITY FINL OHIO INC COM 31614P 10 7 2,221 122,100SH Defined 1,2,3,4 122,100 JOHN HANCOCK BK &THRIFT OPP FD SH BEN INT 409735 10 7 444 52,200SH Defined " 52,200 HOST MARRIOTT CORP NEW COM 44107P 10 4 96 10,110SH Defined " 10,110 IXC COMMUNICATIONS INC COM 450713 10 2 1,459 37,000SH Defined " 37,000 INTERMEDIA COMMUNICATIONS INC COM 458801 10 7 435 20,000SH Defined " 20,000 JONES INTERCABLE INC CL A 480206 20 0 7,553 139,700SH Defined " 139,700 LEUCADIA NATL CORP COM 527288 10 4 553 26,352SH Defined 1,2 26,352 MARSH SUPERMARKETS INC CL B 571783 20 8 8,719 683,801SH Defined 1,2,3,4 683,801 MARSH SUPERMARKETS INC CL A 571783 30 7 11,001 690,301SH Defined " 690,301 MELLON BK CORP COM 585509 10 2 3,396 101,000SH Defined " 101,000 MIRAGE RESORTS INC COM 60462E 10 4 588 42,000SH Defined " 42,000 NETBANK INC COM 640933 10 7 332 15,000SH Defined " 15,000 PIMCO ADVISORS HLDGS L P LTD PART INT 69338P 10 2 2,328 73,900SH Defined 1,2,3,4,5 73,900 POPULAR INC COM 733174 10 6 5,254 189,320SH Defined 1,2,5 189,320 PROVIDENT FINL GROUP INC COM 743866 10 5 8,424 230,403SH Defined " 230,403 RCN CORP COM 749361 10 1 3,741 91,250SH Defined 1,2,3,4 91,250 RELIANCE GROUP HOLDINGS INC COM 759464 10 0 48 10,800SH Defined 1,2,5 10,800 SEPRACOR INC COM 817315 10 4 5,949 78,800SH Defined 1,2,3,4 78,800 TIME WARNER INC COM 887315 10 9 4,860 80,000SH Defined " 80,000 TITAN CORP COM 888266 10 3 5,413 376,590SH Defined 1,2,3 376,590 US BANCORP DEL COM 902973 10 6 679 22,500SH Defined 1,2,3,4 22,500 UNITED ASSET MGMT CORP COM 909420 10 1 595 30,900SH Defined " 30,900 WARNER LAMBERT CO COM 934488 10 7 1,328 20,000SH Defined " 20,000 WASHINGTON MUT INC COM 939322 10 3 1,271 43,453SH Defined 1,2,5 43,453 WESTPOINT STEVENS INC COM 961238 10 2 695 29,400SH Defined 1,2,3,4 29,400 ZENITH NATL INS CORP COM 989390 10 9 13,836 647,300SH Defined " 647,300 ---------- REPORT TOTAL $1,224,434 ==========