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: July 31, 2015
Estimated average burden
hours per response: 23.8
COLUMN 1 COLUMN 2 COLUMN 3 COLUMN 4 COLUMN 5 COLUMN 6 COLUMN 7 COLUMN 8
VALUE SHRS OR SH/ PUT/ INVESTMENT OTHER VOTING AUTHORITY
NAME OF ISSUER TITLE OF CLASS CUSIP (x$1000) PRN AMT PRN CALL DISCRETION MANAGER SOLE SHARED NONE
SPDR SERIES TRUST COM 78464A649 839,279 32,900 SH SOLE 0 32,900 0 0
INVESCO EXCH TRADED FD TR II COM 46138G805 5,330,129 198,589 SH SOLE 0 198,589 0 0
ISHARES TR COM 464287226 5,707,187 57,660 SH SOLE 0 57,660 0 0
ISHARES TR COM 464288588 10,700,798 113,212 SH SOLE 0 113,212 0 0
ISHARES TR COM 464287242 10,383,028 95,196 SH SOLE 0 95,196 0 0
VANGUARD SCOTTSDALE FDS COM 92206C870 902,290 10,917 SH SOLE 0 10,917 0 0
VANGUARD BD INDEX FDS COM 921937819 836,030 10,900 SH SOLE 0 10,900 0 0
ISHARES TR COM 464288638 5,167,152 97,200 SH SOLE 0 97,200 0 0
ISHARES TR COM 46429B291 475,300 10,000 SH SOLE 0 10,000 0 0
J P MORGAN EXCHANGE TRADED F COM 46641Q241 477,880 10,400 SH SOLE 0 10,400 0 0
VANGUARD SCOTTSDALE FDS COM 92206C409 929,551 11,762 SH SOLE 0 11,762 0 0
VANGUARD BD INDEX FDS COM 921937835 5,621,958 76,583 SH SOLE 0 76,583 0 0
ISHARES TR COM 464288620 13,536,587 263,974 SH SOLE 0 263,974 0 0
VANGUARD BD INDEX FDS COM 921937793 2,619,340 38,000 SH SOLE 0 38,000 0 0
ISHARES TR COM 46429B267 3,119,311 136,932 SH SOLE 0 136,932 0 0
ISHARES TR COM 464288653 588,854 5,868 SH SOLE 0 5,868 0 0
ISHARES TR COM 464287200 31,651,087 42,264 SH SOLE 0 42,264 0 0
VANGUARD STAR FDS COM 921909768 26,914,218 314,823 SH SOLE 0 314,823 0 0
ISHARES TR COM 46432F842 15,508,334 160,575 SH SOLE 0 160,575 0 0
VANGUARD INDEX FDS COM 922908769 16,226,254 43,850 SH SOLE 0 43,850 0 0
ISHARES INC COM 46434G103 6,388,124 77,114 SH SOLE 0 77,114 0 0
ILLINOIS TOOL WKS INC COM 452308109 9,693,645 35,840 SH SOLE 0 35,840 0 0
PEPSICO INC COM 713448108 6,908,108 51,020 SH SOLE 0 51,020 0 0
VERISK ANALYTICS INC COM 92345Y106 7,127,341 39,700 SH SOLE 0 39,700 0 0
DEERE & CO COM 244199105 12,886,414 20,315 SH SOLE 0 20,315 0 0
GILEAD SCIENCES INC COM 375558103 4,056,777 32,110 SH SOLE 0 32,110 0 0
WALMART INC COM 931142103 13,791,217 121,766 SH SOLE 0 121,766 0 0
UNION PAC CORP COM 907818108 9,662,256 35,523 SH SOLE 0 35,523 0 0
QUALCOMM INC COM 747525103 6,612,710 35,785 SH SOLE 0 35,785 0 0
LOWES COS INC COM 548661107 9,066,549 41,120 SH SOLE 0 41,120 0 0
ORACLE CORP COM 68389X105 12,121,151 82,710 SH SOLE 0 82,710 0 0
VISA INC COM 92826C839 13,932,885 40,610 SH SOLE 0 40,610 0 0
AMERICAN EXPRESS CO COM 025816109 9,719,614 28,735 SH SOLE 0 28,735 0 0
HASBRO INC COM 418056107 1,957,383 23,700 SH SOLE 0 23,700 0 0
CATERPILLAR INC COM 149123101 17,826,426 16,740 SH SOLE 0 16,740 0 0
BERKSHIRE HATHAWAY INC DEL COM 084670108 25,460,900 34 SH SOLE 0 34 0 0
EXXON MOBIL CORP COM 30231G102 8,908,675 65,160 SH SOLE 0 65,160 0 0
BHP BILLITON LIMITED COM 088606108 7,887,791 94,680 SH SOLE 0 94,680 0 0
BRISTOL-MYERS SQUIBB CO COM 110122108 3,099,956 53,800 SH SOLE 0 53,800 0 0
BOOKING HOLDINGS INC COM 09857L108 4,901,600 27,500 SH SOLE 0 27,500 0 0
TARGET CORP COM 87612E106 6,215,730 47,590 SH SOLE 0 47,590 0 0
ABBVIE INC COM 00287Y109 14,324,607 56,925 SH SOLE 0 56,925 0 0
NEXTERA ENERGY INC COM 65339F101 7,242,780 82,520 SH SOLE 0 82,520 0 0
CME GROUP INC COM 12572Q105 10,140,514 45,920 SH SOLE 0 45,920 0 0
MARKEL GROUP INC COM 570535104 2,343,612 1,200 SH SOLE 0 1,200 0 0
PROCTER & GAMBLE CO COM 742718109 8,753,675 59,695 SH SOLE 0 59,695 0 0
OTIS WORLDWIDE CORP COM 68902V107 2,233,920 31,200 SH SOLE 0 31,200 0 0
PFIZER INC COM 717081103 3,511,346 145,820 SH SOLE 0 145,820 0 0
JPMORGAN CHASE & CO COM 46625H100 9,492,570 29,000 SH SOLE 0 29,000 0 0
CONSTELLATION BRANDS INC COM 21036P108 1,432,627 10,300 SH SOLE 0 10,300 0 0
VERTEX PHARMACEUTICALS INC COM 92532F100 13,709,748 27,600 SH SOLE 0 27,600 0 0
INTERNATIONAL BUSINESS MACHS COM 459200101 10,824,054 38,491 SH SOLE 0 38,491 0 0
SHELL PLC COM 780259305 8,820,175 113,750 SH SOLE 0 113,750 0 0
LINDE PLC COM G54950103 13,720,774 26,440 SH SOLE 0 26,440 0 0
BROOKFIELD CORP COM 11271J107 3,585,908 84,196 SH SOLE 0 84,196 0 0
BERKSHIRE HATHAWAY INC DEL COM 084670702 1,738,355 3,474 SH SOLE 0 3,474 0 0
ISHARES TR COM 46432F834 4,663,095 48,818 SH SOLE 0 48,818 0 0
ISHARES TR COM 46432F388 530,948 2,657 SH SOLE 0 2,657 0 0