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
ALLERGAN PLC SHS G0177J108 106,379 650,315 SH   SOLE   643,215 0 7,100
AON PLC SHS CL A G0408V102 43,110 321,720 SH   SOLE   315,920 0 5,800
AXALTA COATING SYS LTD COM G0750C108 6,310 195,000 SH   SOLE   195,000 0 0
ACCENTURE PLC IRELAND SHS CLASS A G1151C101 17,524 114,467 SH   SOLE   114,467 0 0
LIBERTY GLOBAL PLC SHS CL C G5480U120 166,262 4,913,185 SH   SOLE   4,853,185 0 60,000
LIBERTY GLOBAL PLC LILAC SHS CL C G5480U153 30,588 1,537,874 SH   SOLE   1,505,274 0 32,600
MARVELL TECHNOLOGY GROUP LTD ORD G5876H105 1,288 60,000 SH   SOLE   60,000 0 0
ACI WORLDWIDE INC COM 004498101 7,935 350,000 SH   SOLE   350,000 0 0
ALLISON TRANSMISSION HLDGS I COM 01973R101 32,953 765,100 SH   SOLE   743,400 0 21,700
ALPHABET INC CAP STK CL C 02079K107 99,179 94,781 SH   SOLE   93,681 0 1,100
ALPHABET INC CAP STK CL A 02079K305 200 190 SH   SOLE   190 0 0
AMAZON COM INC COM 023135106 19,472 16,650 SH   SOLE   16,650 0 0
ANHEUSER BUSCH INBEV SA/NV SPONSORED ADR 03524A108 1,897 17,000 SH   SOLE   17,000 0 0
APPLE INC COM 037833100 24 140 SH   SOLE   0 0 140
BERKSHIRE HATHAWAY INC DEL CL A 084670108 116,064 390 SH   SOLE   153 0 237
BERKSHIRE HATHAWAY INC DEL CL B NEW 084670702 225,437 1,137,308 SH   SOLE   1,114,884 0 22,424
COLFAX CORP COM 194014106 55,092 1,390,500 SH   SOLE   1,368,600 0 21,900
COMCAST CORP NEW CL A 20030N101 25,052 625,520 SH   SOLE   625,520 0 0
COMMERCEHUB INC COM SER A 20084V108 594 27,000 SH   SOLE   27,000 0 0
COMMERCEHUB INC COM SER C 20084V306 1,112 54,000 SH   SOLE   54,000 0 0
COMPASS MINERALS INTL INC COM 20451N101 7,803 108,000 SH   SOLE   108,000 0 0
DXC TECHNOLOGY CO COM 23355L106 42,263 445,340 SH   SOLE   440,640 0 4,700
DANAHER CORP DEL COM 235851102 22,265 239,870 SH   SOLE   237,670 0 2,200
DIAGEO P L C SPON ADR NEW 25243Q205 18,984 130,000 SH   SOLE   130,000 0 0
DISCOVERY COMMUNICATNS NEW COM SER C 25470F302 26,278 1,241,300 SH   SOLE   1,215,100 0 26,200
DOLLAR GEN CORP NEW COM 256677105 133 1,430 SH   SOLE   1,430 0 0
DOLLAR TREE INC COM 256746108 24,474 228,070 SH   SOLE   228,070 0 0
EQUITY COMWLTH COM SH BEN INT 294628102 7,750 254,000 SH   SOLE   254,000 0 0
FLIR SYS INC COM 302445101 19,656 421,615 SH   SOLE   408,615 0 13,000
GUIDEWIRE SOFTWARE INC COM 40171V100 4,827 65,000 SH   SOLE   65,000 0 0
HALLIBURTON CO COM 406216101 6,206 126,980 SH   SOLE   126,980 0 0
INTELLIGENT SYS CORP NEW COM 45816D100 10,351 2,270,000 SH   SOLE   2,270,000 0 0
ISHARES TR RUS 1000 ETF 464287622 282 1,898 SH   SOLE   0 0 1,898
JPMORGAN CHASE & CO COM 46625H100 1,337 12,500 SH   SOLE   12,500 0 0
LABORATORY CORP AMER HLDGS COM NEW 50540R409 121,016 758,675 SH   SOLE   750,275 0 8,400
LIBERTY BROADBAND CORP COM SER A 530307107 29,768 350,000 SH   SOLE   350,000 0 0
LIBERTY BROADBAND CORP COM SER C 530307305 183,347 2,152,971 SH   SOLE   2,120,971 0 32,000
LIBERTY EXPEDIA HOLDINGS SER A COM 53046P109 9,221 208,000 SH   SOLE   208,000 0 0
LIBERTY INTERACTIVE CORP QVC GP COM SER A 53071M104 62,969 2,578,580 SH   SOLE   2,538,580 0 40,000
LIBERTY INTERACTIVE CORP LBT VEN COM A NE 53071M856 42,578 785,000 SH   SOLE   785,000 0 0
LIBERTY MEDIA CORP DELAWARE COM A SIRIUSXM 531229409 15,666 395,000 SH   SOLE   395,000 0 0
LIBERTY MEDIA CORP DELAWARE COM C SIRIUSXM 531229607 68,910 1,737,512 SH   SOLE   1,713,012 0 24,500
LIBERTY MEDIA CORP DELAWARE COM A BRAVES GRP 531229706 684 31,000 SH   SOLE   31,000 0 0
LIBERTY MEDIA CORP DELAWARE COM SER C FRMLA 531229854 9,394 275,000 SH   SOLE   275,000 0 0
LIBERTY MEDIA CORP DELAWARE COM SER A FRMLA 531229870 2,536 77,500 SH   SOLE   77,500 0 0
LIBERTY MEDIA CORP DELAWARE COM C BRAVES GRP 531229888 5,444 245,000 SH   SOLE   245,000 0 0
LIONS GATE ENTMNT CORP CL A VTG 535919401 4,226 125,000 SH   SOLE   125,000 0 0
LIONS GATE ENTMNT CORP CL B NON VTG 535919500 4,761 150,000 SH   SOLE   150,000 0 0
MARTIN MARIETTA MATLS INC COM 573284106 1,437 6,500 SH   SOLE   6,500 0 0
MASTERCARD INCORPORATED CL A 57636Q104 101,583 671,134 SH   SOLE   665,134 0 6,000
MONSANTO CO NEW COM 61166W101 22,424 192,022 SH   SOLE   192,022 0 0
MURPHY USA INC COM 626755102 5,223 65,000 SH   SOLE   65,000 0 0
NATIONAL CINEMEDIA INC COM 635309107 1,029 150,000 SH   SOLE   150,000 0 0
ORACLE CORP COM 68389X105 55,927 1,182,892 SH   SOLE   1,162,992 0 19,900
PIONEER NAT RES CO COM 723787107 21,450 124,098 SH   SOLE   122,398 0 1,700
PRAXAIR INC COM 74005P104 31,337 202,592 SH   SOLE   202,592 0 0
PRICELINE GRP INC COM NEW 741503403 9,592 5,520 SH   SOLE   5,520 0 0
RTW HLDGS INC NOTE 5.625%11/1 749772AB5 16,200 16,000,000 PRN   SOLE   16,000,000 0 0
RANGE RES CORP COM 75281A109 13,890 814,184 SH   SOLE   797,184 0 17,000
REDWOOD TR INC NOTE 4.625% 4/1 758075AB1 33,030 32,825,000 PRN   SOLE   32,825,000 0 0
REDWOOD TR INC NOTE 4.750% 8/1 758075AC9 14,513 15,000,000 PRN   SOLE   15,000,000 0 0
REDWOOD TR INC COM 758075402 66,975 4,519,250 SH   SOLE   4,458,250 0 61,000
SPDR S&P 500 ETF TR TR UNIT 78462F103 105 395 SH   SOLE   0 0 395
TEXAS INSTRS INC COM 882508104 52,770 505,270 SH   SOLE   497,070 0 8,200
THERMO FISHER SCIENTIFIC INC COM 883556102 25,012 131,725 SH   SOLE   131,725 0 0
TWENTY FIRST CENTY FOX INC CL A 90130A101 56,992 1,650,500 SH   SOLE   1,619,500 0 31,000
TWENTY FIRST CENTY FOX INC CL B 90130A200 471 13,801 SH   SOLE   13,801 0 0
VANGUARD SPECIALIZED FUNDS DIV APP ETF 921908844 44 430 SH   SOLE   0 0 430
VANGUARD BD INDEX FD INC INTERMED TERM 921937819 198 2,358 SH   SOLE   0 0 2,358
VANGUARD BD INDEX FD INC SHORT TRM BOND 921937827 370 4,679 SH   SOLE   0 0 4,679
VANGUARD TAX MANAGED INTL FD FTSE DEV MKT ETF 921943858 879 19,604 SH   SOLE   0 0 19,604
VANGUARD INDEX FDS TOTAL STK MKT 922908769 1,243 9,058 SH   SOLE   0 0 9,058
VISA INC COM CL A 92826C839 90,053 789,802 SH   SOLE   776,802 0 13,000
VULCAN MATLS CO COM 929160109 1,284 10,000 SH   SOLE   10,000 0 0
WELLS FARGO CO NEW COM 949746101 32,818 540,932 SH   SOLE   530,732 0 10,200
WESCO AIRCRAFT HLDGS INC COM 950814103 22,200 3,000,000 SH   SOLE   3,000,000 0 0
XO GROUP INC COM 983772104 12,461 675,000 SH   SOLE   675,000 0 0