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
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
ALPHABET INC. CL A COM 02079K305 473 170 SH   SOLE   0 0 170
ALPHABET INC. CL C COM 02079K107 47,107 16,866 SH   SOLE   3,761 0 13,105
AMAZON.COM COM 023135106 51,905 15,922 SH   SOLE   3,138 0 12,784
AON PLC COM G0403h108 42,347 130,045 SH   SOLE   29,600 0 100,445
APPLE INC. COM 037833100 663 3,797 SH   SOLE   0 0 3,797
ATLASSIAN CORPORATION PLC COM G06242104 5,867 19,966 SH   SOLE   4,546 0 15,420
BERKSHIRE HATHAWAY INC CL A COM 084670108 529 1 SH   SOLE   0 0 1
BERKSHIRE HATHAWAY INC CL B COM 084670702 353 1,000 SH   SOLE   0 0 1,000
COSTAR GROUP COM 22160N109 18,772 281,825 SH   SOLE   63,738 0 218,087
DATADOG INC COM 23804L103 9,411 62,129 SH   SOLE   14,304 0 47,825
FISERV COM 337738108 18,656 183,985 SH   SOLE   41,352 0 142,633
FLOOR & DECOR HOLDINGS COM 339750101 7,362 90,884 SH   SOLE   20,295 0 70,589
GOOSEHEAD INS COM 38267D109 3,882 49,406 SH   SOLE   11,007 0 38,399
MASTERCARD COM 57636Q104 34,758 97,258 SH   SOLE   21,245 0 76,013
MICROSOFT CORP COM 594918104 42,453 137,696 SH   SOLE   31,376 0 106,320
SERVICENOW, INC. COM 81762P102 22,127 39,733 SH   SOLE   9,040 0 30,693
SHOPIFY COM 82509L107 5,855 8,661 SH   SOLE   1,969 0 6,692
SPROUT SOCIAL INC COM 85209W109 6,186 77,207 SH   SOLE   17,751 0 59,456
VISA COM 92826C839 33,418 150,690 SH   SOLE   32,340 0 118,350