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

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COLUMN 1COLUMN 2COLUMN 3COLUMN 4COLUMN 5COLUMN 6COLUMN 7COLUMN 8
VALUESHRS ORSH/PUT/INVESTMENTOTHERVOTING AUTHORITY
NAME OF ISSUERTITLE OF CLASSCUSIP(x$1000)PRN AMTPRNCALLDISCRETIONMANAGERSOLESHAREDNONE
ALLISON TRANSMISSION HLDGS ICOM01973R101347,5808,898,607SH SOLE 8,898,60700
APPLE INCCOM037833100202,8471,209,003SH SOLE 1,209,00300
AXALTA COATING SYS LTDCOMG0750C10897132,179SH SOLE 32,17900
BERKSHIRE HATHAWAY INC DELCL B NEW084670702159,089797,519SH SOLE 797,51900
BROOKFIELD ASSET MGMT INCCL A LTD VT SH112585104344,6528,839,301SH SOLE 8,839,30100
CABLE ONE INCCOM12685J105250,737364,916SH SOLE 364,91600
CARMAX INCCOM143130102306,4924,948,201SH SOLE 4,948,20100
CHARTER COMMUNICATIONS INC NCL A16119P108194,391624,609SH SOLE 624,60900
HEXCEL CORP NEWCOM4282911083395,243SH SOLE 5,24300
LIBERTY BROADBAND CORPCOM SER C530307305136,7861,596,294SH SOLE 1,596,29400
LIBERTY GLOBAL PLCSHS CL CG5480U120291,3129,573,196SH SOLE 9,573,19600
SBA COMMUNICATIONS CORP NEWCL A78410G1048765,125SH SOLE 5,12500
SCHWAB CHARLES CORP NEWCOM808513105311,2075,959,534SH SOLE 5,959,53400
SENSATA TECHNOLOGIES HLDNG PSHSG8060N102201,0023,879,808SH SOLE 3,879,80800
TYLER TECHNOLOGIES INCCOM902252105185,321878,467SH SOLE 878,46700