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 19,520 14,600 SH   SOLE   14,600 0 0
APPIAN CORP CL A 03782L101 8,297 217,138 SH   SOLE   217,138 0 0
CARDLYTICS INC COM 14161W105 17,668 281,064 SH   SOLE   281,064 0 0
CARGURUS INC COM CL A 141788109 7,002 199,046 SH   SOLE   199,046 0 0
CARMAX INC COM 143130102 9,165 104,540 SH   SOLE   104,540 0 0
CARVANA CO CL A 146869102 21,699 235,729 SH   SOLE   235,729 0 0
CHARTER COMMUNICATIONS INC N CL A 16119P108 29,832 61,500 SH   SOLE   61,500 0 0
HALLADOR ENERGY COMPANY COM 40609P105 1,655 557,189 SH   SOLE   557,189 0 0
INTERACTIVE BROKERS GROUP IN COM CL A 45841N107 17,900 383,955 SH   SOLE   383,955 0 0
STAR GROUP L P UNIT LTD PARTNR 85512C105 15,651 1,654,387 SH   SOLE   1,654,387 0 0
TRANSDIGM GROUP INC COM 893641100 19,193 34,273 SH   SOLE   34,273 0 0