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 031100100 38,396 790,040 SH   DFND   790,040 0 0
BANK OF THE OZARKS INC COM 063904106 59,293 1,127,459 SH   DFND   1,127,459 0 0
BALCHEM CORP COM 057665200 190 2,266 SH   DFND   2,266 0 0
BERKSHIRE HATHAWAY CL B NEW 084670702 107,995 662,629 SH   DFND   662,629 0 0
BROOKFIELD ASSET MGT CL A 112585104 432 13,096 SH   DFND   13,096 0 0
BUFFALO WILD WINGS INC COM 119848109 11,762 76,176 SH   DFND   76,176 0 0
CARMAX INC COM 143130102 54,788 850,882 SH   DFND   850,882 0 0
DISNEY WALT COMPANY COM 254687106 42,805 410,713 SH   DFND   410,713 0 0
FASTENAL CO COM 311900104 192 4,077 SH   DFND   4,077 0 0
FORTUNE BRANDS HOME & SEC COM 34964C106 16,330 305,470 SH   DFND   305,470 0 0
ALPHABET INC CL A 02079K305 4,741 5,983 SH   DFND   5,983 0 0
ALPHABET INC CL C 02079K107 13,474 17,458 SH   DFND   17,458 0 0
HEICO CORP CL A 422806208 7,656 112,754 SH   DFND   112,754 0 0
JP MORGAN CHASE & CO COM 46625H100 1,068 12,379 SH   DFND   12,379 0 0
KNIGHT TRANSPORTATION INC COM 499064103 7,112 215,191 SH   DFND   215,191 0 0
LKQ CORP COM 501889208 39,735 1,296,402 SH   DFND   1,296,402 0 0
M & T BANK CORP COM 55261F104 29,338 187,545 SH   DFND   187,545 0 0
MARKEL CORP HOLDING COM 570535104 25,350 28,027 SH   DFND   28,027 0 0
MASTERCARD INC CL A 57636Q104 155 1,504 SH   DFND   1,504 0 0
MOHAWK INDS INC COM 608190104 20,723 103,781 SH   DFND   103,781 0 0
O'REILLY AUTOMOTIVE COM 67103H107 22,259 79,950 SH   DFND   79,950 0 0
STANTEC INC COM 85472N109 1,044 41,352 SH   SOLE   41,352 0 0
STERICYCLE INC COM 858912108 7,913 102,707 SH   DFND   102,707 0 0
UNION PACIFIC CORP COM 907818108 25,801 248,853 SH   DFND   248,853 0 0
VISA INC COM CL A 92826C839 24,281 311,216 SH   DFND   311,216 0 0
WELLS FARGO CO COM 949746101 28,345 514,327 SH   DFND   514,327 0 0