The Securities and Exchange Commission has not necessarily reviewed the information in this filing and has not determined if it is accurate and complete. | |||||||||||||||||
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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 |
| AON PLC | SHS CL A | G0408V102 | 41,047 | 212,700 | SH | SOLE | 209,500 | 0 | 3,200 | ||
| AXALTA COATING SYS LTD | COM | G0750C108 | 24,875 | 835,575 | SH | SOLE | 813,575 | 0 | 22,000 | ||
| ACCENTURE PLC IRELAND | SHS CLASS A | G1151C101 | 19,031 | 103,000 | SH | SOLE | 103,000 | 0 | 0 | ||
| LIBERTY GLOBAL PLC | SHS CL C | G5480U120 | 100,002 | 3,769,400 | SH | SOLE | 3,727,400 | 0 | 42,000 | ||
| LINDE PLC | SHS | G5494J103 | 32,730 | 163,000 | SH | SOLE | 163,000 | 0 | 0 | ||
| MARVELL TECHNOLOGY GROUP LTD | ORD | G5876H105 | 24,713 | 1,035,300 | SH | SOLE | 1,001,800 | 0 | 33,500 | ||
| LIBERTY LATIN AMERICA LTD | COM CL C | G9001E128 | 24,917 | 1,449,500 | SH | SOLE | 1,419,500 | 0 | 30,000 | ||
| ACI WORLDWIDE INC | COM | 004498101 | 6,868 | 200,000 | SH | SOLE | 200,000 | 0 | 0 | ||
| ALPHABET INC | CAP STK CL C | 02079K107 | 111,609 | 103,255 | SH | SOLE | 102,005 | 0 | 1,250 | ||
| AMAZON COM INC | COM | 023135106 | 29,351 | 15,500 | SH | SOLE | 15,500 | 0 | 0 | ||
| ANALOG DEVICES INC | COM | 032654105 | 28,782 | 255,000 | SH | SOLE | 255,000 | 0 | 0 | ||
| APPLE INC | COM | 037833100 | 28 | 140 | SH | SOLE | 0 | 0 | 140 | ||
| BERKSHIRE HATHAWAY INC DEL | CL A | 084670108 | 177,639 | 558 | SH | SOLE | 153 | 0 | 405 | ||
| BERKSHIRE HATHAWAY INC DEL | CL B NEW | 084670702 | 172,541 | 809,407 | SH | SOLE | 797,037 | 0 | 12,370 | ||
| BLACK KNIGHT INC | COM | 09215C105 | 45,167 | 750,900 | SH | SOLE | 734,900 | 0 | 16,000 | ||
| BOOKING HLDGS INC | COM | 09857L108 | 56,401 | 30,085 | SH | SOLE | 29,730 | 0 | 355 | ||
| BOX INC | CL A | 10316T104 | 28,565 | 1,622,100 | SH | SOLE | 1,593,100 | 0 | 29,000 | ||
| CARMAX INC | COM | 143130102 | 79,818 | 919,250 | SH | SOLE | 907,550 | 0 | 11,700 | ||
| CHARTER COMMUNICATIONS INC N | CL A | 16119P108 | 2,569 | 6,500 | SH | SOLE | 6,500 | 0 | 0 | ||
| COLFAX CORP | COM | 194014106 | 43,347 | 1,546,450 | SH | SOLE | 1,518,250 | 0 | 28,200 | ||
| COMCAST CORP NEW | CL A | 20030N101 | 39,635 | 937,450 | SH | SOLE | 923,950 | 0 | 13,500 | ||
| COMPASS MINERALS INTL INC | COM | 20451N101 | 4,077 | 74,200 | SH | SOLE | 74,200 | 0 | 0 | ||
| DXC TECHNOLOGY CO | COM | 23355L106 | 42,383 | 768,500 | SH | SOLE | 757,300 | 0 | 11,200 | ||
| DANAHER CORPORATION | COM | 235851102 | 28,584 | 200,000 | SH | SOLE | 200,000 | 0 | 0 | ||
| DIAGEO P L C | SPON ADR NEW | 25243Q205 | 22,402 | 130,000 | SH | SOLE | 130,000 | 0 | 0 | ||
| DOLLAR TREE INC | COM | 256746108 | 23,626 | 220,000 | SH | SOLE | 220,000 | 0 | 0 | ||
| EAGLE MATERIALS INC | COM | 26969P108 | 5,516 | 59,500 | SH | SOLE | 59,500 | 0 | 0 | ||
| EQUITY COMWLTH | COM SH BEN INT | 294628102 | 8,130 | 250,000 | SH | SOLE | 250,000 | 0 | 0 | ||
| FACEBOOK INC | CL A | 30303M102 | 81,736 | 423,500 | SH | SOLE | 418,300 | 0 | 5,200 | ||
| FORTUNE BRANDS HOME & SEC IN | COM | 34964C106 | 4,285 | 75,000 | SH | SOLE | 75,000 | 0 | 0 | ||
| GCI LIBERTY INC | COM CLASS A | 36164V305 | 21,972 | 357,500 | SH | SOLE | 357,500 | 0 | 0 | ||
| GARDNER DENVER HLDGS INC | COM | 36555P107 | 7,958 | 230,000 | SH | SOLE | 230,000 | 0 | 0 | ||
| GUIDEWIRE SOFTWARE INC | COM | 40171V100 | 19,303 | 190,400 | SH | SOLE | 187,100 | 0 | 3,300 | ||
| INTELLIGENT SYS CORP NEW | COM | 45816D100 | 65,353 | 2,270,000 | SH | SOLE | 2,270,000 | 0 | 0 | ||
| ISHARES TR | RUS 1000 ETF | 464287622 | 309 | 1,898 | SH | SOLE | 0 | 0 | 1,898 | ||
| JPMORGAN CHASE & CO | COM | 46625H100 | 27,223 | 243,500 | SH | SOLE | 243,500 | 0 | 0 | ||
| LABORATORY CORP AMER HLDGS | COM NEW | 50540R409 | 105,906 | 612,525 | SH | SOLE | 604,925 | 0 | 7,600 | ||
| LIBERTY BROADBAND CORP | COM SER A | 530307107 | 19,797 | 192,500 | SH | SOLE | 192,500 | 0 | 0 | ||
| LIBERTY BROADBAND CORP | COM SER C | 530307305 | 128,449 | 1,232,475 | SH | SOLE | 1,215,475 | 0 | 17,000 | ||
| LIBERTY EXPEDIA HLDGS INC | SER A COM | 53046P109 | 7,169 | 150,000 | SH | SOLE | 150,000 | 0 | 0 | ||
| LIBERTY MEDIA CORP DELAWARE | COM A SIRIUSXM | 531229409 | 14,935 | 395,000 | SH | SOLE | 395,000 | 0 | 0 | ||
| LIBERTY MEDIA CORP DELAWARE | COM C SIRIUSXM | 531229607 | 64,613 | 1,701,250 | SH | SOLE | 1,673,250 | 0 | 28,000 | ||
| LIBERTY MEDIA CORP DELAWARE | COM A BRAVES GRP | 531229706 | 306 | 11,000 | SH | SOLE | 11,000 | 0 | 0 | ||
| LIBERTY MEDIA CORP DELAWARE | COM SER C FRMLA | 531229854 | 2,806 | 75,000 | SH | SOLE | 75,000 | 0 | 0 | ||
| LIBERTY MEDIA CORP DELAWARE | COM SER A FRMLA | 531229870 | 986 | 27,500 | SH | SOLE | 27,500 | 0 | 0 | ||
| LIBERTY MEDIA CORP DELAWARE | COM C BRAVES GRP | 531229888 | 2,937 | 105,000 | SH | SOLE | 105,000 | 0 | 0 | ||
| MARKEL CORP | COM | 570535104 | 21,792 | 20,000 | SH | SOLE | 20,000 | 0 | 0 | ||
| MARTIN MARIETTA MATLS INC | COM | 573284106 | 15,194 | 66,030 | SH | SOLE | 63,530 | 0 | 2,500 | ||
| MASTERCARD INC | CL A | 57636Q104 | 101,513 | 383,750 | SH | SOLE | 378,750 | 0 | 5,000 | ||
| MICROSOFT CORP | COM | 594918104 | 2,344 | 17,500 | SH | SOLE | 17,500 | 0 | 0 | ||
| MYERS INDS INC | COM | 628464109 | 2,698 | 140,000 | SH | SOLE | 140,000 | 0 | 0 | ||
| ORACLE CORP | COM | 68389X105 | 45,001 | 789,900 | SH | SOLE | 777,900 | 0 | 12,000 | ||
| PERSPECTA INC | COM | 715347100 | 12,407 | 530,000 | SH | SOLE | 530,000 | 0 | 0 | ||
| QURATE RETAIL INC | COM SER A | 74915M100 | 26,689 | 2,154,064 | SH | SOLE | 2,109,064 | 0 | 45,000 | ||
| RWT HLDGS INC | NOTE 5.625%11/1 | 749772AB5 | 16,137 | 16,000,000 | PRN | SOLE | 16,000,000 | 0 | 0 | ||
| REDWOOD TR INC | NOTE 4.750% 8/1 | 758075AC9 | 10,143 | 10,350,000 | PRN | SOLE | 10,350,000 | 0 | 0 | ||
| REDWOOD TR INC | NOTE 5.625% 7/1 | 758075AD7 | 6,978 | 7,000,000 | PRN | SOLE | 7,000,000 | 0 | 0 | ||
| REDWOOD TR INC | COM | 758075402 | 56,954 | 3,445,500 | SH | SOLE | 3,395,500 | 0 | 50,000 | ||
| SPDR S&P 500 ETF TR | TR UNIT | 78462F103 | 53 | 180 | SH | SOLE | 0 | 0 | 180 | ||
| THE CHARLES SCHWAB CORPORATI | COM | 808513105 | 57,444 | 1,429,300 | SH | SOLE | 1,411,300 | 0 | 18,000 | ||
| STANLEY BLACK & DECKER INC | COM | 854502101 | 15,516 | 107,295 | SH | SOLE | 102,795 | 0 | 4,500 | ||
| SUMMIT MATLS INC | CL A | 86614U100 | 46,874 | 2,435,000 | SH | SOLE | 2,400,000 | 0 | 35,000 | ||
| TEXAS INSTRS INC | COM | 882508104 | 45,571 | 397,100 | SH | SOLE | 388,100 | 0 | 9,000 | ||
| THERMO FISHER SCIENTIFIC INC | COM | 883556102 | 32,305 | 110,000 | SH | SOLE | 110,000 | 0 | 0 | ||
| TRANSDIGM GROUP INC | COM | 893641100 | 39,887 | 82,445 | SH | SOLE | 80,945 | 0 | 1,500 | ||
| VANGUARD BD INDEX FD INC | INTERMED TERM | 921937819 | 205 | 2,371 | SH | SOLE | 0 | 0 | 2,371 | ||
| VANGUARD BD INDEX FD INC | SHORT TRM BOND | 921937827 | 378 | 4,692 | SH | SOLE | 0 | 0 | 4,692 | ||
| VANGUARD TAX MANAGED INTL FD | FTSE DEV MKT ETF | 921943858 | 690 | 16,555 | SH | SOLE | 0 | 0 | 16,555 | ||
| VANGUARD INDEX FDS | TOTAL STK MKT | 922908769 | 1,211 | 8,068 | SH | SOLE | 0 | 0 | 8,068 | ||
| VISA INC | COM CL A | 92826C839 | 101,435 | 584,470 | SH | SOLE | 576,870 | 0 | 7,600 | ||
| VULCAN MATLS CO | COM | 929160109 | 43,666 | 318,010 | SH | SOLE | 313,710 | 0 | 4,300 | ||
| WESCO AIRCRAFT HLDGS INC | COM | 950814103 | 16,650 | 1,500,000 | SH | SOLE | 1,500,000 | 0 | 0 | ||