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

                                    FORM 13F

                              FORM 13F COVER PAGE


                  Report for the Quarter Ended March 31, 2001



                          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      May 11, 2001
- ----------------------------------
Fred J. Runk
Senior Vice President and Treasurer


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









                                 Page 1 of 3

FORM 13F SUMMARY PAGE --------------------- Number of Other Included Managers: 5 ---------- Form 13F Information Table Entry Total: 37 ---------- Form 13F Information Table Value Total (thousands): $ 897,591 ---------- 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. 28-498 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 - ------------------------------ AOL TIME WARNER INC COM 00184A 10 5 $ 1,050 26,149SH Defined 1,2,3 26,149 ADELPHIA COMMUNICATIONS CORP CL A 006848 10 5 1,053 26,000SH Defined " 26,000 AT HOME CORP COM SER A 045919 10 7 45 10,000SH Defined " 10,000 CHIQUITA BRANDS INTL INC COM 170032 10 6 22,399 17,230,289SH Defined " 17,230,289 COMCAST CORP CL A 200300 10 1 783 19,000SH Defined " 19,000 COMCAST CORP CL A SPL 200300 20 0 1,468 35,000SH Defined " 35,000 GREAT AMERN FINL RES INC COM 389915 10 9 631,080 35,059,995SH Defined " 35,059,995 MARSH SUPERMARKETS INC CL B 571783 20 8 2,227 189,543SH Defined " 189,543 MARSH SUPERMARKETS INC CL A 571783 30 7 573 39,543SH Defined " 39,543 METRICOM INC COM 591596 10 1 31 15,000SH Defined " 15,000 PROVIDENT FINL GROUP INC COM 743866 10 5 156,720 5,572,271SH Defined " 5,572,271 RCN CORP COM 749361 10 1 127 21,000SH Defined " 21,000 SEPRACOR INC COM 817315 10 4 1,178 36,800SH Defined " 36,800 WASHINGTON MUT INC COM 939322 10 3 735 13,423SH Defined " 13,423 HOLDINGS OF OTHER SUBSIDIARIES OF AFG EACH HAVING LESS THAN $100 MILLION IN 13F SECURITIES - ------------------------------ ADELPHIA COMMUNICATIONS CORP CL A 006848 10 5 2,131 52,605SH Defined 1,2 52,605 AT HOME CORP COM SER A 045919 10 7 376 84,018SH Defined " 84,018 BRISTOL MYERS SQUIBB CO COM 110122 10 8 1,188 20,000SH Defined 1,2,3 20,000 BROADWING INC COM 111620 10 0 625 32,611SH Defined 1,2 32,611 CABLEVISION SYS CORP CL A 12686C 10 9 352 5,000SH Defined " 5,000 CHIQUITA BRANDS INTL INC COM 170032 10 6 8,796 6,766,006SH Defined 1,2,3 6,766,006 COMCAST CORP CL A 200300 10 1 610 14,800SH Defined 1,2 14,800 COMCAST CORP CL A SPL 200300 20 0 577 13,760SH Defined " 13,760 JOHN HANCOCK BK &THRIFT OPP FD SH BEN INT 409735 10 7 417 52,200SH Defined " 52,200 HOST MARRIOTT CORP NEW COM 44107P 10 4 118 10,110SH Defined " 10,110 LEUCADIA NATL CORP COM 527288 10 4 848 26,352SH Defined " 26,352 MARSH SUPERMARKETS INC CL B 571783 20 8 6,273 533,801SH Defined " 533,801 MARSH SUPERMARKETS INC CL A 571783 30 7 10,009 690,301SH Defined " 690,301 METRICOM INC COM 591596 10 1 41 20,000SH Defined " 20,000 POPULAR INC COM 733174 10 6 5,576 189,320SH Defined 1,2,3 189,320 PROVIDENT FINL GROUP INC COM 743866 10 5 19,602 696,943SH Defined " 696,943 RCN CORP COM 749361 10 1 423 70,250SH Defined " 70,250 RELIANCE GROUP HOLDINGS INC COM 759464 10 0 0 10,800SH Defined " 10,800 SEPRACOR INC COM 817315 10 4 2,380 74,400SH Defined " 74,400 US BANCORP DEL COM NEW 902973 30 4 667 28,462SH Defined 1,2 28,462 WASHINGTON MUT INC COM 939322 10 3 2,379 43,453SH Defined 1,2,3 43,453 WESTPOINT STEVENS INC COM 961238 10 2 265 29,400SH Defined 1,2 29,400 ZENITH NATL INS CORP COM 989390 10 9 14,469 613,100SH Defined " 613,100 ---------- REPORT TOTAL $ 897,591 ==========