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 FIGI (to the nearest dollar) PRN AMT PRN CALL DISCRETION MANAGER SOLE SHARED NONE
SPDR Ser Tr Bloomberg 1-3 Mo 78468R663   2,952,748 32,158 SH   SOLE   32,158 0 0
Vanguard Scottsdale Fds Short Term Treas 92206C102   2,522,974 43,703 SH   SOLE   43,703 0 0
Wisdomtree Tr Floating Rat Trea 97717Y527   338,704 6,731 SH   SOLE   6,731 0 0
Arch Capital Group Ltd COM G0450A105   435,749,529 5,821,637 SH   SOLE   5,005,503 0 816,134
AutoZone Inc. COM 053332102   360,701,924 144,665 SH   SOLE   123,150 0 21,515
Cummins Inc COM 231021106   219,509,568 895,373 SH   SOLE   762,036 0 133,337
Discover Financial Services COM 254709108   122,295,327 1,046,601 SH   SOLE   954,452 0 92,149
Domino's Pizza Inc COM 25754A201   209,775,992 622,499 SH   SOLE   553,720 0 68,779
Expeditors International of Wa COM 302130109   190,223,128 1,570,405 SH   SOLE   1,355,226 0 215,179
Fastenal Co COM 311900104   100,459,872 1,702,998 SH   SOLE   1,418,839 0 284,159
Goldman Sachs Group Inc COM 38141G104   255,908,839 793,417 SH   SOLE   690,739 0 102,678
Mastercard Inc Class A COM 57636Q104   185,416,731 471,438 SH   SOLE   387,265 0 84,173
Moody's Corp. COM 615369105   155,463,092 447,093 SH   SOLE   390,611 0 56,482
NVR Inc COM 62944T105   180,859,307 28,479 SH   SOLE   24,855 0 3,624
O'Reilly Automotive Inc COM 67103H107   246,145,464 257,663 SH   SOLE   217,247 0 40,416
Progressive Corp COM 743315103   147,976,709 1,117,902 SH   SOLE   969,171 0 148,731
Ross Stores Inc COM 778296103   379,195,455 3,381,748 SH   SOLE   2,982,948 0 398,800
Strategic Education Inc COM 86272C103   138,266,926 2,038,133 SH   SOLE   1,776,982 0 261,151
TJX Companies Inc COM 872540109   261,951,420 3,089,414 SH   SOLE   2,696,318 0 393,096
Union Pacific Corporation COM 907818108   61,817,855 302,111 SH   SOLE   254,080 0 48,031
Visa Inc Cl A COM 92826C839   189,891,765 799,612 SH   SOLE   678,544 0 121,068