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
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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 42,396 783,955 SH   DFND   783,955 0 0
BANK OF THE OZARKS INC COM 063904106 58,308 1,121,087 SH   DFND   1,121,087 0 0
BALCHEM CORP COM 057665200 187 2,266 SH   DFND   2,266 0 0
BERKSHIRE HATHAWAY CL B NEW 084670702 112,684 676,049 SH   DFND   676,049 0 0
BROOKFIELD ASSET MGT CL A 112585104 477 13,096 SH   DFND   13,096 0 0
CARMAX INC COM 143130102 51,380 867,620 SH   DFND   867,620 0 0
DISNEY WALT COMPANY COM 254687106 46,462 409,753 SH   DFND   409,753 0 0
FASTENAL CO COM 311900104 210 4,077 SH   DFND   4,077 0 0
FIVE BELOW INC COM 33829M101 257 5,939 SH   DFND   5,939 0 0
FORTUNE BRANDS HOME & SEC COM 34964C106 18,884 310,343 SH   DFND   310,343 0 0
ALPHABET INC CL-A CL A 02079K305 5,030 5,933 SH   DFND   5,933 0 0
ALPHABET INC CL-C CL C 02079K107 18,824 22,692 SH   DFND   22,692 0 0
HANESBRANDS INC COM 410345102 255 12,264 SH   DFND   12,264 0 0
HEICO CORP CL A 422806208 15,876 211,683 SH   DFND   211,683 0 0
JP MORGAN CHASE & CO COM 46625H100 1,087 12,379 SH   DFND   12,379 0 0
LKQ CORP COM 501889208 38,748 1,323,809 SH   DFND   1,323,809 0 0
SOUTHWEST AIRLINES CO COM 844741108 213 3,961 SH   DFND   3,961 0 0
M & T BANK CORP COM 55261F104 28,542 184,461 SH   DFND   184,461 0 0
MARKEL CORP HOLDING COM 570535104 28,855 29,569 SH   DFND   29,569 0 0
MASTERCARD INC CL A 57636Q104 169 1,504 SH   DFND   1,504 0 0
MOHAWK INDS INC COM 608190104 24,540 106,931 SH   DFND   106,931 0 0
O'REILLY AUTOMOTIVE COM 67103H107 23,085 85,552 SH   DFND   85,552 0 0
STANTEC INC COM 85472N109 1,071 41,352 SH   SOLE   41,352 0 0
UNION PACIFIC CORP COM 907818108 26,093 246,348 SH   DFND   246,348 0 0
VISA INC COM CL A 92826C839 29,709 334,301 SH   DFND   334,301 0 0
WELLS FARGO CO COM 949746101 28,777 517,016 SH   DFND   517,016 0 0