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:06-30-2018
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:CINCINNATI INSURANCE CO
Address:6200 South Gilmore Road
Fairfield, OH  45014
Form 13F File Number:028-10753

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:Martin F. Hollenbeck
Title:Chief Investment Officer
Phone:513-870-2000
Signature, Place, and Date of Signing:
/s/ Martin F. HollenbeckFairfieldOH08-09-2018
[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:1
Form 13F Information Table Entry Total:70
Form 13F Information Table Value Total:3,345,700
(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
1028-10798CINCINNATI FINANCIAL CORP

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
3M ORDCOMMON88579Y101102,629521,700SH OTR10521,7000
ABBOTT LABORATORIES ORDCOMMON00282410070,5781,157,200SH OTR101,157,2000
ABBVIE ORDCOMMON00287Y109127,5981,377,200SH OTR101,377,2000
ACCENTURE CL A ORDCOMMONG1151C101110,287674,165SH OTR10674,1650
AMERICAN TOWER REITCOMMON03027X1008,65060,000SH OTR1060,0000
ANALOG DEVICES ORDCOMMON03265410550,858530,214SH OTR10530,2140
ANDEAVOR LOGISTICS UNTCOMMON03350F1061,76741,550SH OTR1041,5500
APERGY CORPORATIONCOMMON03755L1043,31579,390SH OTR1079,3900
APPLE ORDCOMMON03783310028,507154,000SH OTR10154,0000
AT&T ORDCOMMON00206R10225,784803,000SH OTR10803,0000
AUTOMATIC DATA PROCESSING ORDCOMMON05301510340,919305,050SH OTR10305,0500
BLACKROCK ORDCOMMON09247X101187,040374,800SH OTR10374,8000
BROADCOM ORDCOMMON11135F10148,686200,650SH OTR10200,6500
BUCKEYE PARTNERS UNTCOMMON1182301012,78779,294SH OTR1079,2940
CHEVRON ORDCOMMON16676410090,524716,000SH OTR10716,0000
CHUBB ORDCOMMONH1467J10450,013393,738SH OTR10393,7380
CISCO SYSTEMS ORDCOMMON17275R10253,2071,236,500SH OTR101,236,5000
CME GROUP CL A ORDCOMMON12572Q1054,90129,900SH OTR1029,9000
CUMMINS ORDCOMMON23102110688,645666,500SH OTR10666,5000
DCP MIDSTREAM UNTCOMMON23311P1002,01650,973SH OTR1050,9730
DOVER ORDCOMMON26000310826,995368,780SH OTR10368,7800
DUKE ENERGY ORDCOMMON26441C20441,406523,600SH OTR10523,6000
ENBRIDGE ENERGY PARTNERS CL A UNTCOMMON29250R1061,335122,183SH OTR10122,1830
ENBRIDGE ORDCOMMON29250N10561,7231,729,409SH OTR101,729,4090
ENERGY TRANSFER PARTNERS UNTCOMMON29278N1036,838359,157SH OTR10359,1570
ENLINK MIDSTREAM PARTNERS COM UNTCOMMON29336U1071,42091,468SH OTR1091,4680
ENTERPRISE PRODUCTS PARTNERS UNTCOMMON2937921077,402267,497SH OTR10267,4970
EQT MIDSTREAM PARTNERS UNTCOMMON26885B1001,71433,220SH OTR1033,2200
EXXON MOBIL ORDCOMMON30231G102106,7381,290,200SH OTR101,290,2000
GENESIS ENERGY UNTCOMMON3719271041,33460,879SH OTR1060,8790
GENUINE PARTS ORDCOMMON37246010537,162404,860SH OTR10404,8600
GILEAD SCIENCES ORDCOMMON3755581035,38476,000SH OTR1076,0000
HASBRO ORDCOMMON418056107116,2741,259,607SH OTR101,259,6070
HOME DEPOT ORDCOMMON43707610226,035133,446SH OTR10133,4460
HONEYWELL INTERNATIONAL ORDCOMMON43851610635,292245,000SH OTR10245,0000
INTERNATIONAL BUSINESS MACHINES ORDCOMMON45920010162,817449,655SH OTR10449,6550
JOHNSON & JOHNSON ORDCOMMON478160104122,5531,010,000SH OTR101,010,0000
JPMORGAN CHASE ORDCOMMON46625H100209,6502,012,000SH OTR102,012,0000
LYONDELLBASELL INDUSTRIES CL A ORDCOMMONN5374510061,479559,666SH OTR10559,6660
MAGELLAN MIDSTREAM PARTNERS UNTCOMMON5590801067,065102,266SH OTR10102,2660
MCDONALD'S ORDCOMMON58013510160,952389,000SH OTR10389,0000
MICROSOFT ORDCOMMON594918104141,4611,434,550SH OTR101,434,5500
MPLX COM UNTCOMMON55336V1005,293155,044SH OTR10155,0440
NORFOLK SOUTHERN ORDCOMMON65584410839,890264,400SH OTR10264,4000
NUSTAR ENERGY UNTCOMMON67058H1021,01644,870SH OTR1044,8700
PEPSICO ORDCOMMON713448108135,0531,240,500SH OTR101,240,5000
PFIZER ORDCOMMON717081103117,3923,235,725SH OTR103,235,7250
PHILIP MORRIS INTERNATIONAL ORDCOMMON71817210919,574242,435SH OTR10242,4350
PLAINS ALL AMERICAN PIPELINE UNTCOMMON7265031055,625237,941SH OTR10237,9410
PNC FINANCIAL SERVICES GROUP ORDCOMMON69347510568,901510,000SH OTR10510,0000
POLARIS INDUSTRIES ORDCOMMON73106810215,273125,000SH OTR10125,0000
PRAXAIR ORDCOMMON74005P10469,882441,872SH OTR10441,8720
PROCTER & GAMBLE ORDCOMMON74271810980,2071,027,504SH OTR101,027,5040
PROLOGIS REITCOMMON74340W1032,29935,000SH OTR1035,0000
PUBLIC STORAGE REIT ORDCOMMON74460D10921,77996,000SH OTR1096,0000
QUALCOMM ORDCOMMON74752510323,991427,500SH OTR10427,5000
RPM ORDCOMMON74968510369,5931,193,303SH OTR101,193,3030
SHELL MIDSTREAM PARTNERS UNTCOMMON8226341011,10349,719SH OTR1049,7190
SPECTRA ENERGY PARTNERS UNTCOMMON84756N1091,56844,271SH OTR1044,2710
TC PIPELINES UNTCOMMON87233Q10876229,359SH OTR1029,3590
UNITED TECHNOLOGIES ORDCOMMON91301710995,886766,906SH OTR10766,9060
UNITEDHEALTH GRP ORDCOMMON91324P10253,995220,081SH OTR10220,0810
US BANCORP ORDCOMMON90297330499,1151,981,500SH OTR101,981,5000
VALERO ENERGY ORDCOMMON91913Y10034,993315,738SH OTR10315,7380
VERIZON COMMUNICATIONS ORDCOMMON92343V10420,391405,301SH OTR10405,3010
VF ORDCOMMON9182041089,256113,540SH OTR10113,5400
WALT DISNEY ORDCOMMON25468710639,304375,000SH OTR10375,0000
WEC ENERGY GROUP ORDCOMMON92939U10663,247978,300SH OTR10978,3000
WESTERN GAS PARTNERS UNTCOMMON9582541042,75056,828SH OTR1056,8280
WILLIAMS PARTNERS UNTCOMMON96949L1055,822143,438SH OTR10143,4380
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