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 |
| ||||||||||||||||||||
| 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 |
| ALIBABA GROUP HLDG LTD | SPONSORED ADS | 01609W102 | 509 | 3,435 | SH | SOLE | 3,435 | 0 | 0 | ||
| ALPHABET INC | CAP STK CL C | 02079K107 | 521,820 | 195,782 | SH | SOLE | 195,349 | 0 | 433 | ||
| ALPHABET INC | CAP STK CL A | 02079K305 | 550,975 | 206,086 | SH | SOLE | 205,877 | 0 | 209 | ||
| AMAZON COM INC | COM | 023135106 | 2,168 | 660 | SH | SOLE | 660 | 0 | 0 | ||
| ANGI INC | COM CL A NEW | 00183L102 | 196 | 15,918 | SH | SOLE | 15,918 | 0 | 0 | ||
| ANTHEM INC | COM | 036752103 | 679,023 | 1,821,413 | SH | SOLE | 1,818,538 | 0 | 2,875 | ||
| BERKSHIRE HATHAWAY INC DEL | CL B NEW | 084670702 | 128,161 | 469,558 | SH | SOLE | 469,090 | 0 | 468 | ||
| BERKSHIRE HATHAWAY INC DEL | CL A | 084670108 | 303,598 | 738 | SH | SOLE | 738 | 0 | 0 | ||
| BUILDERS FIRSTSOURCE INC | COM | 12008R107 | 3,573 | 69,060 | SH | SOLE | 69,060 | 0 | 0 | ||
| CARMAX INC | COM | 143130102 | 915,444 | 7,154,140 | SH | SOLE | 7,142,842 | 0 | 11,298 | ||
| CREDIT ACCEP CORP MICH | COM | 225310101 | 772,649 | 1,320,091 | SH | SOLE | 1,317,993 | 0 | 2,098 | ||
| DISNEY WALT CO | COM | 254687106 | 479,376 | 2,833,691 | SH | SOLE | 2,829,182 | 0 | 4,509 | ||
| EQUITABLE HLDGS INC | COM | 29452E101 | 918 | 30,959 | SH | SOLE | 30,959 | 0 | 0 | ||
| EXPEDITORS INTL WASH INC | COM | 302130109 | 12,167 | 102,132 | SH | SOLE | 102,132 | 0 | 0 | ||
| FACEBOOK INC | CL A | 30303M102 | 923,466 | 2,720,959 | SH | SOLE | 2,716,602 | 0 | 4,357 | ||
| INTERCONTINENTAL EXCHANGE IN | COM | 45866F104 | 404,533 | 3,523,196 | SH | SOLE | 3,517,612 | 0 | 5,584 | ||
| JACOBS ENGR GROUP INC | COM | 469814107 | 398,252 | 3,004,992 | SH | SOLE | 3,000,299 | 0 | 4,693 | ||
| LIBERTY BROADBAND CORP | COM SER C | 530307305 | 474,392 | 2,746,911 | SH | SOLE | 2,742,414 | 0 | 4,497 | ||
| LIBERTY BROADBAND CORP | COM SER A | 530307107 | 155,917 | 926,147 | SH | SOLE | 924,854 | 0 | 1,293 | ||
| LIBERTY MEDIA CORP DEL | COM SER C FRMLA | 531229854 | 521,796 | 10,149,692 | SH | SOLE | 10,133,718 | 0 | 15,974 | ||
| LIBERTY MEDIA CORP DEL | COM SER A FRMLA | 531229870 | 47,561 | 1,010,851 | SH | SOLE | 1,009,113 | 0 | 1,738 | ||
| MICRON TECHNOLOGY INC | COM | 595112103 | 570,837 | 8,042,228 | SH | SOLE | 8,029,678 | 0 | 12,550 | ||
| MOHAWK INDS INC | COM | 608190104 | 1,922 | 10,833 | SH | SOLE | 10,833 | 0 | 0 | ||
| NETFLIX INC | COM | 64110L106 | 483,807 | 792,685 | SH | SOLE | 791,449 | 0 | 1,236 | ||
| OPENDOOR TECHNOLOGIES INC | COM | 683712103 | 456 | 22,200 | SH | SOLE | 22,200 | 0 | 0 | ||
| PRIMERICA INC | COM | 74164M108 | 215 | 1,400 | SH | SOLE | 1,400 | 0 | 0 | ||
| RIMINI STR INC DEL | COM | 76674Q107 | 216 | 22,388 | SH | SOLE | 22,388 | 0 | 0 | ||
| SCHWAB CHARLES CORP | COM | 808513105 | 631,273 | 8,666,573 | SH | SOLE | 8,652,488 | 0 | 14,085 | ||
| SINCLAIR BROADCAST GROUP INC | CL A | 829226109 | 561 | 17,719 | SH | SOLE | 17,719 | 0 | 0 | ||
| STELLANTIS N.V | SHS | N82405106 | 737 | 38,582 | SH | SOLE | 38,582 | 0 | 0 | ||
| TAIWAN SEMICONDUCTOR MFG LTD | SPONSORED ADS | 874039100 | 789,454 | 7,070,792 | SH | SOLE | 7,059,589 | 0 | 11,203 | ||
| UNITEDHEALTH GROUP INC | COM | 91324P102 | 742,981 | 1,901,471 | SH | SOLE | 1,898,475 | 0 | 2,996 | ||
| WAYFAIR INC | CL A | 94419L101 | 608,188 | 2,380,289 | SH | SOLE | 2,376,498 | 0 | 3,791 | ||