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
ALLISON TRANSMISSION HLDGS I COM 01973R101 347,580 8,898,607 SH   SOLE   8,898,607 0 0
APPLE INC COM 037833100 202,847 1,209,003 SH   SOLE   1,209,003 0 0
AXALTA COATING SYS LTD COM G0750C108 971 32,179 SH   SOLE   32,179 0 0
BERKSHIRE HATHAWAY INC DEL CL B NEW 084670702 159,089 797,519 SH   SOLE   797,519 0 0
BROOKFIELD ASSET MGMT INC CL A LTD VT SH 112585104 344,652 8,839,301 SH   SOLE   8,839,301 0 0
CABLE ONE INC COM 12685J105 250,737 364,916 SH   SOLE   364,916 0 0
CARMAX INC COM 143130102 306,492 4,948,201 SH   SOLE   4,948,201 0 0
CHARTER COMMUNICATIONS INC N CL A 16119P108 194,391 624,609 SH   SOLE   624,609 0 0
HEXCEL CORP NEW COM 428291108 339 5,243 SH   SOLE   5,243 0 0
LIBERTY BROADBAND CORP COM SER C 530307305 136,786 1,596,294 SH   SOLE   1,596,294 0 0
LIBERTY GLOBAL PLC SHS CL C G5480U120 291,312 9,573,196 SH   SOLE   9,573,196 0 0
SBA COMMUNICATIONS CORP NEW CL A 78410G104 876 5,125 SH   SOLE   5,125 0 0
SCHWAB CHARLES CORP NEW COM 808513105 311,207 5,959,534 SH   SOLE   5,959,534 0 0
SENSATA TECHNOLOGIES HLDNG P SHS G8060N102 201,002 3,879,808 SH   SOLE   3,879,808 0 0
TYLER TECHNOLOGIES INC COM 902252105 185,321 878,467 SH   SOLE   878,467 0 0