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
Arch Capital Group Ltd COM G0450A105 120,441 4,551,811 SH   SOLE   4,544,716 0 7,095
Autozone Inc. COM 053332102 84,198 125,495 SH   SOLE   125,305 0 190
Chipotle Mexican Grill Cl A COM 169656105 102,912 238,570 SH   SOLE   238,214 0 356
Cummins Inc COM 231021106 71,990 541,276 SH   SOLE   540,821 0 455
Deere & Co. COM 244199105 100,626 719,785 SH   SOLE   718,705 0 1,080
Expeditors International of Wa COM 302130109 82,845 1,133,306 SH   SOLE   1,131,976 0 1,330
Fastenal Co COM 311900104 72,115 1,498,343 SH   SOLE   1,496,123 0 2,220
Goldman Sachs Group Inc COM 38141G104 101,943 462,180 SH   SOLE   461,510 0 670
Mastercard Inc Class A COM 57636Q104 95,038 483,605 SH   SOLE   482,975 0 630
Moody's Corp. COM 615369105 190,276 1,115,597 SH   SOLE   1,113,922 0 1,675
NVR Inc COM 62944T105 43,222 14,551 SH   SOLE   14,530 0 21
O'Reilly Automotive Inc COM 67103H107 65,212 238,373 SH   SOLE   238,018 0 355
Ross Stores Inc COM 778296103 62,650 739,229 SH   SOLE   738,134 0 1,095
Strayer Education Inc COM 863236105 59,569 527,115 SH   SOLE   526,372 0 743
US Bancorp COM 902973304 836 16,712 SH   SOLE   16,712 0 0
Union Pacific Corporation COM 907818108 85,039 600,218 SH   SOLE   599,148 0 1,070
Visa Inc Cl A COM 92826C839 81,840 617,894 SH   SOLE   616,974 0 920
Waters Corp COM 941848103 19,015 98,221 SH   SOLE   98,221 0 0
YUM! Brands Inc COM 988498101 63,662 813,886 SH   SOLE   811,909 0 1,977