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
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
ALPHABET INC CAP STK CL C 02079K107 4,189 3,133 SH   SOLE   3,133 0 0
ALPHABET INC CAP STK CL A 02079K305 1,811 1,352 SH   SOLE   1,352 0 0
AMAZON COM INC COM 023135106 407 220 SH   SOLE   220 0 0
APPLE INC COM 037833100 514 1,749 SH   SOLE   1,749 0 0
ARISTA NETWORKS INC COM 040413106 2,062 10,138 SH   SOLE   10,138 0 0
BERKSHIRE HATHAWAY INC DEL CL A 084670108 113,423 334 SH   SOLE   334 0 0
BERKSHIRE HATHAWAY INC DEL CL B NEW 084670702 3,596 15,876 SH   SOLE   15,876 0 0
BOOKING HLDGS INC COM 09857L108 382 186 SH   SOLE   186 0 0
BROWN & BROWN INC COM 115236101 1,263 32,000 SH   SOLE   32,000 0 0
BUILDERS FIRSTSOURCE INC COM 12008R107 17,787 700,000 SH   SOLE   700,000 0 0
CARMAX INC COM 143130102 1,518 17,312 SH   SOLE   17,312 0 0
CREDIT ACCEP CORP MICH COM 225310101 2,001 4,524 SH   SOLE   4,524 0 0
D R HORTON INC COM 23331A109 264 5,000 SH   SOLE   5,000 0 0
FACEBOOK INC CL A 30303M102 2,497 12,164 SH   SOLE   12,164 0 0
FIAT CHRYSLER AUTOMOBILES N SHS N31738102 13,249 901,900 SH   SOLE   901,900 0 0
GOLDMAN SACHS GROUP INC COM 38141G104 966 4,200 SH   SOLE   4,200 0 0
IAC INTERACTIVECORP COM 44919P508 895 3,594 SH   SOLE   3,594 0 0
JACOBS ENGR GROUP INC COM 469814107 721 8,030 SH   SOLE   8,030 0 0
JPMORGAN CHASE & CO COM 46625H100 1,450 10,400 SH   SOLE   10,400 0 0
LAS VEGAS SANDS CORP COM 517834107 552 8,000 SH   SOLE   8,000 0 0
LIBERTY BROADBAND CORP COM SER C 530307305 310 2,463 SH   SOLE   2,463 0 0
LINDE PLC SHS G5494J103 306 1,437 SH   SOLE   1,437 0 0
MASTERCARD INC CL A 57636Q104 2,642 8,848 SH   SOLE   8,848 0 0
MOHAWK INDS INC COM 608190104 1,367 10,021 SH   SOLE   10,021 0 0
RYANAIR HLDGS PLC SPONSORED ADS 783513203 2,563 29,250 SH   SOLE   29,250 0 0
SALESFORCE COM INC COM 79466L302 315 1,934 SH   SOLE   1,934 0 0
SBA COMMUNICATIONS CORP NEW CL A 78410G104 271 1,123 SH   SOLE   1,123 0 0
SPDR GOLD TRUST GOLD SHS 78463V107 333 2,328 SH   SOLE   2,328 0 0
SPDR S&P 500 ETF TR TR UNIT 78462F103 320 994 SH   SOLE   994 0 0
TAIWAN SEMICONDUCTOR MFG LTD SPONSORED ADS 874039100 403 6,941 SH   SOLE   6,941 0 0
THE CHARLES SCHWAB CORPORATI COM 808513105 684 14,391 SH   SOLE   14,391 0 0
THIRD PT REINS LTD COM G8827U100 526 50,000 SH   SOLE   50,000 0 0
THOR INDS INC COM 885160101 741 9,975 SH   SOLE   9,975 0 0
TJX COS INC NEW COM 872540109 2,015 33,004 SH   SOLE   33,004 0 0
TRIMBLE INC COM 896239100 206 4,940 SH   SOLE   4,940 0 0
TRUPANION INC COM 898202106 2,139 57,100 SH   SOLE   57,100 0 0
US BANCORP DEL COM NEW 902973304 296 5,000 SH   SOLE   5,000 0 0
WATERS CORP COM 941848103 644 2,758 SH   SOLE   2,758 0 0
WEST PHARMACEUTICAL SVSC INC COM 955306105 414 2,751 SH   SOLE   2,751 0 0
YATRA ONLINE INC ORD SHS G98338109 315 100,000 SH   SOLE   100,000 0 0