The Securities and Exchange Commission has not necessarily reviewed the information in this filing and has not determined if it 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 |
| ALPHABET INC | CAP STK CL A | 02079K305 | 316,276 | 215,800 | SH | SOLE | 215,800 | 0 | 0 | ||
| ALPHABET INC | CAP STK CL C | 02079K107 | 673,227 | 458,102 | SH | SOLE | 458,102 | 0 | 0 | ||
| AMAZON COM INC | COM | 023135106 | 2,179 | 692 | SH | SOLE | 692 | 0 | 0 | ||
| AMERICAN ELEC PWR CO INC | COM | 025537101 | 308 | 3,766 | SH | SOLE | 3,766 | 0 | 0 | ||
| ANGI HOMESERVICES INC | COM CL A | 00183L102 | 136 | 12,272 | SH | SOLE | 12,272 | 0 | 0 | ||
| ARISTA NETWORKS INC | COM | 040413106 | 403,258 | 1,948,767 | SH | SOLE | 1,948,767 | 0 | 0 | ||
| BERKSHIRE HATHAWAY INC DEL | CL A | 084670108 | 320,961 | 1,003 | SH | SOLE | 1,003 | 0 | 0 | ||
| BERKSHIRE HATHAWAY INC DEL | CL B NEW | 084670702 | 233,605 | 1,097,045 | SH | SOLE | 1,097,045 | 0 | 0 | ||
| BUILDERS FIRSTSOURCE INC | COM | 12008R107 | 2,592 | 79,461 | SH | SOLE | 79,461 | 0 | 0 | ||
| CARMAX INC | COM | 143130102 | 604,620 | 6,578,390 | SH | SOLE | 6,578,390 | 0 | 0 | ||
| COCA COLA CO | COM | 191216100 | 274 | 5,559 | SH | SOLE | 5,559 | 0 | 0 | ||
| CREDIT ACCEP CORP MICH | COM | 225310101 | 437,278 | 1,291,276 | SH | SOLE | 1,291,276 | 0 | 0 | ||
| EXPEDITORS INTL WASH INC | COM | 302130109 | 9,245 | 102,132 | SH | SOLE | 102,132 | 0 | 0 | ||
| FACEBOOK INC | CL A | 30303M102 | 590,759 | 2,255,668 | SH | SOLE | 2,255,668 | 0 | 0 | ||
| FIAT CHRYSLER AUTOMOBILES N | SHS | N31738102 | 476 | 38,992 | SH | SOLE | 38,992 | 0 | 0 | ||
| FIDELITY NATL INFORMATION SV | COM | 31620M106 | 287,087 | 1,950,190 | SH | SOLE | 1,950,190 | 0 | 0 | ||
| GTT COMMUNICATIONS INC | COM | 362393100 | 124 | 24,100 | SH | SOLE | 24,100 | 0 | 0 | ||
| INTERCONTINENTAL EXCHANGE IN | COM | 45866F104 | 348,610 | 3,484,355 | SH | SOLE | 3,484,355 | 0 | 0 | ||
| JACOBS ENGR GROUP INC | COM | 469814107 | 382,575 | 4,123,907 | SH | SOLE | 4,123,907 | 0 | 0 | ||
| LIBERTY BROADBAND CORP | COM SER A | 530307107 | 137,520 | 969,746 | SH | SOLE | 969,746 | 0 | 0 | ||
| LIBERTY BROADBAND CORP | COM SER C | 530307305 | 312,618 | 2,188,128 | SH | SOLE | 2,188,128 | 0 | 0 | ||
| LIBERTY MEDIA CORP DEL | COM SER A FRMLA | 531229870 | 11,319 | 337,775 | SH | SOLE | 337,775 | 0 | 0 | ||
| LIBERTY MEDIA CORP DEL | COM SER C FRMLA | 531229854 | 383,722 | 10,579,595 | SH | SOLE | 10,579,595 | 0 | 0 | ||
| MASTERCARD INCORPORATED | CL A | 57636Q104 | 336,661 | 995,537 | SH | SOLE | 995,537 | 0 | 0 | ||
| MOHAWK INDS INC | COM | 608190104 | 1,057 | 10,833 | SH | SOLE | 10,833 | 0 | 0 | ||
| PROCTER AND GAMBLE CO | COM | 742718109 | 451 | 3,246 | SH | SOLE | 3,246 | 0 | 0 | ||
| SCHWAB CHARLES CORP | COM | 808513105 | 348,035 | 9,606,264 | SH | SOLE | 9,606,264 | 0 | 0 | ||
| SINCLAIR BROADCAST GROUP INC | CL A | 829226109 | 410 | 21,317 | SH | SOLE | 21,317 | 0 | 0 | ||
| TAIWAN SEMICONDUCTOR MFG LTD | SPONSORED ADS | 874039100 | 547,068 | 6,748,099 | SH | SOLE | 6,748,099 | 0 | 0 | ||
| UNION PAC CORP | COM | 907818108 | 405 | 2,057 | SH | SOLE | 2,057 | 0 | 0 | ||
| UNITEDHEALTH GROUP INC | COM | 91324P102 | 575,533 | 1,846,017 | SH | SOLE | 1,846,017 | 0 | 0 | ||
| VISA INC | COM CL A | 92826C839 | 106,122 | 530,691 | SH | SOLE | 530,691 | 0 | 0 | ||
| WAITR HLDGS INC | COM | 930752100 | 39 | 11,981 | SH | SOLE | 11,981 | 0 | 0 | ||
| DISNEY WALT CO | COM DISNEY | 254687106 | 346,517 | 2,792,692 | SH | SOLE | 2,792,692 | 0 | 0 | ||
| WAYFAIR INC | CL A | 94419L101 | 679,629 | 2,335,414 | SH | SOLE | 2,335,414 | 0 | 0 | ||