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 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
ALPHABET INC CAP STK CL C 02079K107 142,048 156,315 SH   SOLE 156,315 0 0
ALTABA INC COM 021346101 30,781 565,000 SH   SOLE 565,000 0 0
AMERCO COM 023586100 34,011 92,910 SH   SOLE 92,910 0 0
BUILDERS FIRSTSOURCE INC COM 12008R107 25,303 1,651,640 SH   SOLE 1,651,640 0 0
CHARTER COMMUNICATIONS INC N CL A 16119P108 46,042 136,685 SH   SOLE 136,685 0 0
CREDIT ACCEP CORP MICH COM 225310101 101,660 395,349 SH   SOLE 395,349 0 0
FOSSIL GROUP INC COM 34988V106 12,714 1,228,436 SH   SOLE 1,228,436 0 0
INTERACTIVE BROKERS GROUP IN COM 45841N107 127,614 3,410,316 SH   SOLE 3,410,316 0 0
LIBERTY GLOBAL PLC SHS CL C G5480U120 34,373 1,102,395 SH   SOLE 1,102,395 0 0
RUSH ENTERPRISES INC CL B 781846308 10,721 294,451 SH   SOLE 294,451 0 0
TEEKAY CORPORATION COM Y8564W103 345 51,743 SH   SOLE 51,743 0 0
TEEKAY LNG PARTNERS L P PRTNRSP UNITS Y8564M105 3,472 226,168 SH   SOLE 226,168 0 0
TEMPUR SEALY INTL INC COM 88023U101 12,311 230,580 SH   SOLE 230,580 0 0