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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

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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
ALLIANCE HOLDINGS GP LP COM UNITS LP 01861G100 2,039 73,321 SH   SOLE   2,039 0 0
ALPHABET INC CAP STK CL C 02079K107 11,797 12,300 SH   SOLE   11,797 0 0
AXALTA COATING SYS LTD COM G0750C108 9,371 324,049 SH   SOLE   9,371 0 0
AXON ENTERPRISE INC COM 05464C101 7,685 318,204 SH   SOLE   7,685 0 0
BAIDU INC SPON ADR REP A 056752108 13,177 53,200 SH   SOLE   13,177 0 0
CARMAX INC COM 143130102 12,887 170,000 SH   SOLE   12,887 0 0
EXPRESS SCRIPTS HLDG CO COM 30219G108 8,918 140,844 SH   SOLE   8,918 0 0
HALLADOR ENERGY COMPANY COM 40609P105 1,490 260,578 SH   SOLE   1,490 0 0
INTERACTIVE BROKERS GROUP IN COM 45841N107 20,893 463,888 SH   SOLE   20,893 0 0
STAR GAS PARTNERS L P UNIT LTD PARTNR 85512C105 17,740 1,563,027 SH   SOLE   17,740 0 0
TRANSDIGM GROUP INC COM 893641100 12,553 49,106 SH   SOLE   12,553 0 0