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

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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
AMETEK INC COM 31100100 37,884 792,893 SH   DFND   792,893 0 0
BANK OF THE OZARKS INC COM 63904106 43,470 1,132,037 SH   DFND   1,132,037 0 0
BALCHEM CORP COM 57665200 176 2,266 SH   DFND   2,266 0 0
BERKSHIRE HATHAWAY CL B NEW 84670702 95,087 658,180 SH   DFND   658,180 0 0
BROOKFIELD ASSET MGT CL A 112585104 461 13,096 SH   DFND   13,096 0 0
BUFFALO WILD WINGS INC COM 119848109 11,133 79,106 SH   DFND   79,106 0 0
CARMAX INC COM 143130102 44,931 842,196 SH   DFND   842,196 0 0
DISNEY WALT COMPANY COM 254687106 38,805 417,882 SH   DFND   417,882 0 0
FASTENAL CO COM 311900104 170 4,077 SH   DFND   4,077 0 0
FORTUNE BRANDS HOME & SEC COM 34964C106 17,320 298,104 SH   DFND   298,104 0 0
ALPHABET INC CL A 02079K305 4,855 6,038 SH   DFND   6,038 0 0
ALPHABET INC CL C 02079K107 12,598 16,207 SH   DFND   16,207 0 0
HEICO CORP CL A 422806208 6,403 105,811 SH   DFND   105,811 0 0
JP MORGAN CHASE & CO COM 46625H100 824 12,379 SH   DFND   12,379 0 0
KNIGHT TRANSPORTATION INC COM 499064103 6,392 222,808 SH   DFND   222,808 0 0
LKQ CORP COM 501889208 45,167 1,273,741 SH   DFND   1,273,741 0 0
M & T BANK CORP COM 55261F104 22,121 190,537 SH   DFND   190,537 0 0
MARKEL CORP HOLDING COM 570535104 24,877 26,785 SH   DFND   26,785 0 0
MASTERCARD INC CL A 57636Q104 153 1,504 SH   DFND   1,504 0 0
MOHAWK INDS INC COM 608190104 19,761 98,635 SH   DFND   98,635 0 0
O'REILLY AUTOMOTIVE COM 67103H107 22,549 80,502 SH   DFND   80,502 0 0
STANTEC INC COM 85472N109 1,325 56,352 SH   SOLE   56,352 0 0
STERICYCLE INC COM 858912108 8,287 103,401 SH   DFND   103,401 0 0
UNION PACIFIC CORP COM 907818108 24,575 251,977 SH   DFND   251,977 0 0
VISA INC COM CL A 92826C839 25,509 308,447 SH   DFND   308,447 0 0
WELLS FARGO CO COM 949746101 22,653 511,575 SH   DFND   511,575 0 0