SEC FORM 13F-HR

The Securities and Exchange Commission has not necessarily reviewed the information in this filing and has not determined if it is accurate and complete.
The reader should not assume that the information is accurate and complete.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
FORM 13F

FORM 13F COVER PAGE

OMB APPROVAL
OMB Number:3235-0006
Expires:Oct 31, 2018
Estimated average burden
hours per response:23.8

Report for the Calendar Year or Quarter Ended:06-30-2017
Check here if Amendment  Amendment Number:
This Amendment (Check only one.):  is a restatement.
  adds new holdings entries.
Institutional Investment Manager Filing this Report:
Name:AMERICAN FINANCIAL GROUP INC
Address:GREAT AMERICAN INSURANCE GROUP TOWER
301 E. 4TH STREET
CINCINNATI, OH  45202
Form 13F File Number:028-04389

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.

Person Signing this Report on Behalf of Reporting Manager:
Name:Brian S. Hertzman
Title:Vice President and Controller
Phone:513-579-2153
Signature, Place, and Date of Signing:
/s/ Brian S. HertzmanCincinnatiOH08-04-2017
[Signature][City, State][Date]
Report Type (Check only one.):
X13F HOLDINGS REPORT. (Check here if all holdings of this reporting manager are reported in this report.)
  13F NOTICE. (Check here if no holdings reported are in this report, and all holdings are reported by other reporting manager(s).)
  13F COMBINATION REPORT. (Check here if a portion of the holdings for this reporting manager are reported in this report and a portion are reported by other reporting manager(s).)
Form 13F Summary Page
Report Summary:
Number of Other Included Managers:3
Form 13F Information Table Entry Total:217
Form 13F Information Table Value Total:1,046,220
(thousands)
List of Other Included Managers:
Provide a numbered list of the name(s) and Form 13F file number(s) of all institutional investment managers with respect to which this report is filed, other than the manager filing this report.
[If there are no entries in this list, state “NONE” and omit the column headings and list entries.]
No.Form 13F File NumberName
128-498Great American Insurance Company
228-1258Great American Life Insurance Company
328-17123Great American Holding, Inc

SEC FORM 13-F Information Table

The Securities and Exchange Commission has not necessarily reviewed the information in this filing and has not determined if it is accurate and complete.
The reader should not assume that the information is accurate and complete.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
FORM 13F

FORM 13F INFORMATION TABLE

OMB APPROVAL
OMB Number:3235-0006
Expires:Oct 31, 2018
Estimated average burden
hours per response:23.8

COLUMN 1COLUMN 2COLUMN 3COLUMN 4COLUMN 5COLUMN 6COLUMN 7COLUMN 8
VALUESHRS ORSH/PUT/INVESTMENTOTHERVOTING AUTHORITY
NAME OF ISSUERTITLE OF CLASSCUSIP(x$1000)PRN AMTPRNCALLDISCRETIONMANAGERSOLESHAREDNONE
DEUTSCHE BANK AGNAMEN AKTD181908981,17766,168SH DFND166,16800
DEUTSCHE BANK AGNAMEN AKTD181908981,996112,200SH DFND2112,20000
DEUTSCHE BANK AGNAMEN AKTD181908981,09661,631SH DFND361,63100
ALLERGAN PLCSHSG0177J1081,2155,000SH DFND25,00000
ALLERGAN PLCSHSG0177J1081,2155,000SH DFND35,00000
AXOVANT SCIENCES LTDCOMG0750W1041,99986,197SH DFND186,19700
AXOVANT SCIENCES LTDCOMG0750W1041,99986,198SH DFND286,19800
ENDO INTL PLCSHSG304011064,286383,690SH DFND1383,69000
ENDO INTL PLCSHSG304011064,286383,690SH DFND2383,69000
ENDO INTL PLCSHSG3040110645240,500SH DFND340,50000
LIBERTY GLOBAL PLCLILAC SHS CL CG5480U1532,676125,000SH DFND1125,00000
LIBERTY GLOBAL PLCLILAC SHS CL CG5480U1532,676125,000SH DFND2125,00000
MALLINCKRODT PUB LTD COSHSG5785G1075,776128,900SH DFND1128,90000
MALLINCKRODT PUB LTD COSHSG5785G10712,621281,650SH DFND2281,65000
MALLINCKRODT PUB LTD COSHSG5785G1072,13147,550SH DFND347,55000
MEDTRONIC PLCSHSG5960L1037,54485,000SH DFND185,00000
CHUBB LIMITEDCOMH1467J10415,372105,734SH SOLE 105,73400
MYLAN N VSHS EURON594651091,94150,000SH DFND150,00000
MYLAN N VSHS EURON594651093,882100,000SH DFND2100,00000
MYLAN N VSHS EURON594651091,94150,000SH DFND350,00000
AGNC INVT CORPCOM00123Q1043,037142,667SH DFND1142,66700
AGNC INVT CORPCOM00123Q1049,467444,666SH DFND2444,66600
AGNC INVT CORPCOM00123Q1044,630217,467SH DFND3217,46700
ABBVIE INCCOM00287Y1093,98855,000SH DFND155,00000
ABBVIE INCCOM00287Y10911,167154,000SH DFND2154,00000
ABBVIE INCCOM00287Y10979811,000SH DFND311,00000
AFFILIATED MANAGERS GROUPCOM0082521081,65910,000SH DFND110,00000
ALLY FINL INCCOM02005N1008,255395,000SH DFND1395,00000
ALLY FINL INCCOM02005N1008,255395,000SH DFND2395,00000
ANNALY CAP MGMT INCCOM0357104091,787148,260SH DFND2148,26000
ANWORTH MORTGAGE ASSET CPCOM0373471013,492580,950SH DFND1580,95000
ANWORTH MORTGAGE ASSET CPCOM0373471012,232371,450SH DFND2371,45000
ANWORTH MORTGAGE ASSET CPCOM0373471012,798465,550SH DFND3465,55000
APOLLO COML REAL EST FIN INCCOM03762U1052,688144,912SH DFND1144,91200
APOLLO COML REAL EST FIN INCCOM03762U1053,619195,071SH DFND2195,07100
APOLLO COML REAL EST FIN INCCOM03762U10565435,243SH DFND335,24300
APPLE INCCOM03783310020,868144,900SH DFND1144,90000
APPLE INCCOM03783310023,187161,000SH DFND2161,00000
APPLE INCCOM0378331002,31916,100SH DFND316,10000
ARCELORMITTAL SA LUXEMBOURGNY REGISTRY SH03938L2033,031133,333SH DFND1133,33300
ARCELORMITTAL SA LUXEMBOURGNY REGISTRY SH03938L2033,030133,333SH DFND2133,33300
ARLINGTON ASSET INVT CORPCL A NEW04135620510,948800,842SH DFND1800,84200
ARLINGTON ASSET INVT CORPCL A NEW0413562058,243603,006SH DFND3603,00600
BP PLCSPONSORED ADR0556221042,85982,500SH DFND282,50000
BANK OF NOVA SCOTIANOTE 4.500%12/1064159HB536,80235,000,000PRN DFND235,000,00000
BARCLAYS PLCADR06738E2041,403132,500SH DFND1132,50000
BARCLAYS PLCADR06738E2044,067384,000SH DFND2384,00000
BARCLAYS PLCADR06738E2042,557241,500SH DFND3241,50000
BERKLEY W R CORPCOM0844231028,093117,000SH SOLE 117,00000
BIOGEN INCCOM09062X1039503,500SH DFND13,50000
BIOGEN INCCOM09062X1039503,500SH DFND23,50000
BIOVERATIV INCCOM09075E1001051,750SH DFND11,75000
BIOVERATIV INCCOM09075E1001051,750SH DFND21,75000
BLACKSTONE GROUP L PCOM UNIT LTD09253U10811,592347,600SH DFND2347,60000
BLACKSTONE GROUP L PCOM UNIT LTD09253U1081,48144,400SH DFND344,40000
CYS INVTS INCCOM12673A1088,124966,000SH DFND1966,00000
CYS INVTS INCCOM12673A10812,3211,465,000SH DFND21,465,00000
CYS INVTS INCCOM12673A1087,552898,000SH DFND3898,00000
CAPITOL FED FINL INCCOM14057J10151236,000SH DFND136,00000
CARLYLE GROUP L PCOM UTS LTD PTN14309L10219,405982,541SH DFND2982,54100
CARLYLE GROUP L PCOM UTS LTD PTN14309L1021,39070,373SH DFND370,37300
CELGENE CORPCOM1510201041,29910,000SH DFND210,00000
CELGENE CORPCOM1510201041,94815,000SH DFND315,00000
CENTURY CMNTYS INCCOM15650430010,552425,500SH DFND1425,50000
CENTURY CMNTYS INCCOM15650430010,552425,500SH DFND2425,50000
CISCO SYS INCCOM17275R1023,130100,000SH DFND1100,00000
CISCO SYS INCCOM17275R1027,825250,000SH DFND2250,00000
CISCO SYS INCCOM17275R10231310,000SH DFND310,00000
CITIGROUP INCCOM NEW17296742426,505396,300SH DFND1396,30000
CITIGROUP INCCOM NEW17296742415,249228,000SH DFND2228,00000
CITIGROUP INCCOM NEW17296742471610,700SH DFND310,70000
CLIPPER RLTY INCCOM18885T3065,484444,444SH DFND1444,44400
CLIPPER RLTY INCCOM18885T3068,227666,667SH DFND2666,66700
COACH INCCOM1897541047,589160,300SH DFND1160,30000
COACH INCCOM18975410410,637224,700SH DFND3224,70000
COLONY NORTHSTAR INCCL A COM19625W10427,5671,956,468SH DFND11,956,46800
COLONY NORTHSTAR INCCL A COM19625W1047,480530,868SH DFND2530,86800
COLONY NORTHSTAR INCCL A COM19625W1042,311164,039SH DFND3164,03900
COLONY STARWOOD HOMESCOM19625X1021033,000SH DFND23,00000
COLONY STARWOOD HOMESCOM19625X1021033,000SH DFND33,00000
COMCAST CORP NEWCL A20030N1018,056207,000SH DFND1207,00000
CONOCOPHILLIPSCOM20825C1043087,000SH DFND37,00000
DELL TECHNOLOGIES INCCOM CL V24703L1031,19219,505SH DFND119,50500
DELL TECHNOLOGIES INCCOM CL V24703L1031,36222,292SH DFND222,29200
DELL TECHNOLOGIES INCCOM CL V24703L1035118,358SH DFND38,35800
DELTA AIR LINES INC DELCOM NEW2473617022,19340,804SH DFND140,80400
DELTA AIR LINES INC DELCOM NEW2473617021,89435,244SH DFND235,24400
EBAY INCCOM2786421031,76050,400SH DFND150,40000
EBAY INCCOM2786421032657,600SH DFND37,60000
ELLINGTON FINANCIAL LLCCOM2885223035,069312,700SH DFND1312,70000
ELLINGTON FINANCIAL LLCCOM28852230311,949737,153SH DFND2737,15300
ENBRIDGE ENERGY PARTNERS L PCOM29250R10672045,000SH DFND245,00000
ENBRIDGE ENERGY PARTNERS L PCOM29250R106805,000SH DFND35,00000
ENERGY TRANSFER PARTNERS LPUNIT LTD PRT INT29278N1039,910486,000SH DFND2486,00000
ENERGY TRANSFER PARTNERS LPUNIT LTD PRT INT29278N1031,10154,000SH DFND354,00000
FRANKLIN RES INCCOM3546131014,19093,550SH DFND193,55000
FRANKLIN RES INCCOM3546131017,204160,850SH DFND2160,85000
FRANKLIN RES INCCOM3546131013,38675,600SH DFND375,60000
FULL HOUSE RESORTS INCCOM3596781098735,331SH DFND135,33100
FULL HOUSE RESORTS INCCOM3596781097831,617SH DFND231,61700
GENERAL CABLE CORP DEL NEWCOM36930010814,086861,550SH DFND1861,55000
GENERAL CABLE CORP DEL NEWCOM3693001081,33781,750SH DFND281,75000
GENERAL CABLE CORP DEL NEWCOM36930010815,928974,161SH DFND3974,16100
GENERAL MTRS COCOM37045V10022,055631,400SH DFND1631,40000
GENERAL MTRS COCOM37045V10016,019458,600SH DFND3458,60000
GILEAD SCIENCES INCCOM3755581035,46077,143SH DFND177,14300
GILEAD SCIENCES INCCOM3755581032,22431,428SH DFND231,42800
GILEAD SCIENCES INCCOM37555810380911,429SH DFND311,42900
GLOBAL X FDSGLB X MLP ENRG I37950E22636126,146SH DFND326,14600
GREAT AJAX CORPCOM38983D30010,982785,571SH DFND2785,57100
GREAT AJAX CORPCOM38983D30010,983785,619SH DFND3785,61900
HC2 HLDGS INCCOM4041391075,9241,007,421SH DFND21,007,42100
HSBC HLDGS PLCSDCV 5.625%12/3404280AR010,20210,000,000PRN DFND310,000,00000
HSBC HLDGS PLCNOTE 6.375%12/3404280AT68,4808,000,000PRN DFND28,000,00000
HSBC HLDGS PLCNOTE 6.000%12/3404280BL25,1685,000,000PRN DFND25,000,00000
INFINITY PHARMACEUTICALS INCCOM45665G3033120,000SH DFND120,00000
INFINITY PHARMACEUTICALS INCCOM45665G3033120,000SH DFND220,00000
INSTEEL INDUSTRIES INCCOM45774W10881124,609SH DFND124,60900
INSTEEL INDUSTRIES INCCOM45774W10873222,216SH DFND222,21600
INVESCO MORTGAGE CAPITAL INCCOM46131B1001,01961,000SH DFND161,00000
INVESCO MORTGAGE CAPITAL INCCOM46131B1002,054122,900SH DFND2122,90000
INVESCO MORTGAGE CAPITAL INCCOM46131B10033119,800SH DFND319,80000
KKR & CO L P DELCOM UNITS48248M1023,124167,953SH DFND1167,95300
KKR & CO L P DELCOM UNITS48248M1029,778525,685SH DFND2525,68500
KKR & CO L P DELCOM UNITS48248M1026,267336,962SH DFND3336,96200
KELLOGG COCOM4878361082,69938,850SH DFND138,85000
LCNB CORPCOM50181P1002,148107,385SH DFND1107,38500
LCNB CORPCOM50181P100381,900SH DFND31,90000
LEGG MASON INCCOM5249011054,251111,400SH DFND1111,40000
LEGG MASON INCCOM5249011054,251111,400SH DFND2111,40000
LEGG MASON INCCOM524901105842,200SH DFND32,20000
LEUCADIA NATL CORPCOM5272881042067,896SH DFND17,89600
LEUCADIA NATL CORPCOM5272881042188,315SH DFND28,31500
LEUCADIA NATL CORPCOM5272881047263SH DFND326300
MFA FINL INCCOM55272X10221025,000SH DFND225,00000
MTGE INVT CORPCOM55378A1056,698356,325SH DFND1356,32500
MTGE INVT CORPCOM55378A10512,068641,920SH DFND2641,92000
MTGE INVT CORPCOM55378A1054,418235,055SH DFND3235,05500
MARATHON OIL CORPCOM5658491062,345198,000SH DFND2198,00000
MEDLEY CAP CORPCOM58503F1065,784905,157SH DFND1905,15700
MEDLEY CAP CORPCOM58503F1066,9691,090,573SH DFND21,090,57300
MEDLEY CAP CORPCOM58503F1061,304204,128SH DFND3204,12800
MEDLEY MGMT INCCL A COM58503T1061,796276,350SH DFND1276,35000
MEDLEY MGMT INCCL A COM58503T1061,968302,750SH DFND3302,75000
METLIFE INCCOM59156R1086,263114,000SH DFND1114,00000
METLIFE INCCOM59156R10860411,000SH DFND311,00000
MFA FINL INCCOM55272X10221025,000SH DFND325,00000
NII HLDGS INCCOM PAR $0.00162913F5082024,793SH DFND124,79300
NII HLDGS INCCOM PAR $0.00162913F5086479,223SH DFND279,22300
NII HLDGS INCCOM PAR $0.00162913F50822,849SH DFND32,84900
NMI HLDGS INCCL A6292093055,290462,000SH DFND1462,00000
NMI HLDGS INCCL A62920930510,603926,000SH DFND2926,00000
NEW YORK CMNTY BANCORP INCCOM6494451034,595350,000SH DFND1350,00000
NORTHSTAR REALTY EUROPE CORPCOM66706L1011,797141,708SH DFND1141,70800
NORTHSTAR REALTY EUROPE CORPCOM66706L101957,458SH DFND37,45800
OAKTREE CAP GROUP LLCUNIT CL A67400120193220,000SH DFND120,00000
OAKTREE CAP GROUP LLCUNIT CL A6740012011,16525,000SH DFND225,00000
OAKTREE CAP GROUP LLCUNIT CL A6740012012335,000SH DFND35,00000
OMEROS CORPCOM6821431025,694286,040SH DFND1286,04000
OMEROS CORPCOM6821431028,540429,061SH DFND2429,06100
ORGANOVO HLDGS INCCOM68620A10424191,500SH DFND191,50000
ORGANOVO HLDGS INCCOM68620A104421160,000SH DFND2160,00000
PDVWIRELESS INCCOM69290R1049,708416,640SH DFND1416,64000
PDVWIRELESS INCCOM69290R10415,712674,329SH DFND2674,32900
PJT PARTNERS INCCOM CL A69343T1073508,690SH DFND28,69000
PJT PARTNERS INCCOM CL A69343T107451,110SH DFND31,11000
PAYPAL HLDGS INCCOM70450Y1032,70550,400SH DFND150,40000
PAYPAL HLDGS INCCOM70450Y1034087,600SH DFND37,60000
PEAK RESORTS INCCOM70469L1004,5951,120,625SH DFND11,120,62500
PEAK RESORTS INCCOM70469L100514125,361SH DFND3125,36100
POTBELLY CORPCOM73754Y10034530,000SH DFND130,00000
POTBELLY CORPCOM73754Y1001,150100,000SH DFND2100,00000
POTBELLY CORPCOM73754Y10080570,000SH DFND370,00000
PROSPECT CAPITAL CORPORATIONNOTE 5.875% 1/174348TAM4878850,000PRN DFND2850,00000
PROSPECT CAPITAL CORPORATIONNOTE 5.875% 1/174348TAM4155150,000PRN DFND3150,00000
PROSPECT CAPITAL CORPORATIONNOTE 4.750% 4/174348TAQ511,79411,760,000PRN DFND211,760,00000
PROSPECT CAPITAL CORPORATIONNOTE 4.750% 4/174348TAQ5441440,000PRN DFND3440,00000
PRUDENTIAL FINL INCCOM74432010212,166112,500SH DFND1112,50000
PRUDENTIAL FINL INCCOM7443201028,25476,323SH DFND376,32300
RESOLUTE FST PRODS INCCOM76117W1092,086474,084SH DFND1474,08400
RESOLUTE FST PRODS INCCOM76117W1093,413775,627SH DFND2775,62700
RESOLUTE FST PRODS INCCOM76117W10913731,125SH DFND331,12500
REVOLUTION LIGHTING TECHNOLOCOM NEW76155G2065,948902,535SH DFND1902,53500
REVOLUTION LIGHTING TECHNOLOCOM NEW76155G2065,947902,535SH DFND2902,53500
ROYAL DUTCH SHELL PLCSPON ADR B7802591075,551102,000SH DFND2102,00000
ROYAL DUTCH SHELL PLCSPON ADR B7802591074358,000SH DFND38,00000
ROYAL DUTCH SHELL PLCSPONS ADR A7802592063466,500SH DFND36,50000
SELECT ENERGY SVCS INCCL A COM81617J3011,367112,500SH DFND1112,50000
SELECT ENERGY SVCS INCCL A COM81617J3013,189262,500SH DFND2262,50000
STARWOOD PPTY TR INCCOM85571B10533615,000SH DFND215,00000
STARWOOD PPTY TR INCCOM85571B10533615,000SH DFND315,00000
SUTHERLAND ASSET MGMT CORP MCOM86933G1055,452367,152SH DFND1367,15200
SUTHERLAND ASSET MGMT CORP MCOM86933G10513,458906,290SH DFND2906,29000
SUTHERLAND ASSET MGMT CORP MCOM86933G1053,071206,770SH DFND3206,77000
TEVA PHARMACEUTICAL INDS LTDSPONSORED ADR8816242092,99090,000SH DFND190,00000
TEVA PHARMACEUTICAL INDS LTDSPONSORED ADR8816242092,99090,000SH DFND290,00000
TORONTO DOMINION BK ONTNOTE 3.625% 9/1891160MJ929,71930,000,000PRN DFND230,000,00000
TORTOISE ENERGY INFRA CORPCOM89147L1004,870160,236SH DFND1160,23600
TORTOISE ENERGY INFRA CORPCOM89147L1002,68988,480SH DFND288,48000
TWENTY FIRST CENTY FOX INCCL A90130A1011,41750,000SH DFND150,00000
TWENTY FIRST CENTY FOX INCCL A90130A1011,41750,000SH DFND250,00000
TWO HBRS INVT CORPCOM90187B1012,705273,000SH DFND1273,00000
TWO HBRS INVT CORPCOM90187B10112,9331,305,000SH DFND21,305,00000
TWO HBRS INVT CORPCOM90187B1015,768582,000SH DFND3582,00000
USA COMPRESSION PARTNERS LPCOMUNIT LTDPAR90290N1091,942118,721SH DFND2118,72100
USA COMPRESSION PARTNERS LPCOMUNIT LTDPAR90290N10918211,150SH DFND311,15000
VANGUARD WHITEHALL FDS INCHIGH DIV YLD9219464063053,903SH DFND33,90300
VANGUARD INDEX FDSS&P 500 ETF SHS9229083639844,432SH DFND34,43200
VANGUARD INDEX FDSEXTEND MKT ETF9229086526045,909SH DFND35,90900
VANGUARD INDEX FDSREIT ETF9229085535236,279SH DFND36,27900
VANGUARD INTL EQUITY INDEX FFTSE SMCAP ETF9220427183703,418SH DFND33,41800
VANGUARD INTL EQUITY INDEX FALLWRLD EX US92204277551510,290SH DFND310,29000
VERIZON COMMUNICATIONS INCCOM92343V1042,36752,994SH DFND252,99400
VERISK ANALYTICS INCCOM92345Y10615,709186,191SH DFND1186,19100
VIACOM INC NEWCL B92553P20114,715438,350SH DFND1438,35000
VIACOM INC NEWCL B92553P2018,616256,650SH DFND3256,65000
WELLS FARGO CO NEWCOM9497461016,760122,000SH DFND1122,00000