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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
ALPHABET INC CAP STK CL C 02079K107 22,830 16,150 SH   SOLE   16,150 0 0
APPIAN CORP CL A 03782L101 11,128 217,138 SH   SOLE   217,138 0 0
CARDLYTICS INC COM 14161W105 23,292 332,845 SH   SOLE   332,845 0 0
CARGURUS INC COM CL A 141788109 7,201 284,046 SH   SOLE   284,046 0 0
CARVANA CO CL A 146869102 31,279 260,223 SH   SOLE   260,223 0 0
CHARTER COMMUNICATIONS INC N CL A 16119P108 35,244 69,100 SH   SOLE   69,100 0 0
HALLADOR ENERGY COMPANY COM 40609P105 365 557,189 SH   SOLE   557,189 0 0
INTERACTIVE BROKERS GROUP IN COM CL A 45841N107 16,219 388,286 SH   SOLE   388,286 0 0
STAR GROUP L P UNIT LTD PARTNR 85512C105 14,509 1,654,387 SH   SOLE   1,654,387 0 0
TRANSDIGM GROUP INC COM 893641100 26,025 58,873 SH   SOLE   58,873 0 0