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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
ALLIANCE DATA SYSTEMS CORP COM 018581108 13,705 64,387 SH   SOLE   64,387 0 0
ALLIANCE HOLDINGS GP LP COM UNITS LP 01861G100 1,220 48,784 SH   SOLE   48,784 0 0
ALPHABET INC CAP STK CL C 02079K107 12,691 12,300 SH   SOLE   12,300 0 0
BAIDU INC SPON ADR REP A 056752108 9,619 43,100 SH   SOLE   43,100 0 0
CARMAX INC COM 143130102 14,665 236,776 SH   SOLE   236,776 0 0
CHARTER COMMUNICATIONS INC N CL A 16119P108 15,249 49,000 SH   SOLE   49,000 0 0
HALLADOR ENERGY COMPANY COM 40609P105 2,736 398,362 SH   SOLE   398,362 0 0
INTERACTIVE BROKERS GROUP IN COM 45841N107 16,439 244,496 SH   SOLE   244,496 0 0
STAR GROUP L P UNIT LTD PARTNR 85512C105 15,468 1,654,387 SH   SOLE   1,654,387 0 0
TRANSDIGM GROUP INC COM 893641100 15,072 49,106 SH   SOLE   49,106 0 0