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
Allied World Assurance Co Hldg COM H01531104 26,201 286,321 SH   SOLE 0 270,142 0 16,179
Arch Capital Group Ltd COM G0450A105 110,303 2,145,553 SH   SOLE 0 2,033,259 0 112,294
Berkshire Hathaway Class A COM 084670108 19,052 113 SH   SOLE 0 110 0 3
Berkshire Hathaway Class B COM 084670702 33,056 295,350 SH   SOLE 0 286,430 0 8,920
Brown & Brown, Inc. COM 115236101 106,016 3,288,330 SH   SOLE 0 3,134,663 0 153,667
C.H. Robinson Worldwide Inc. COM 12541W209 33,260 590,660 SH   SOLE 0 559,430 0 31,230
Capital Source Inc COM 14055X102 41,138 4,385,716 SH   SOLE 0 4,167,465 0 218,251
Crimson Wine Group Ltd COM 22662X100 1,967 230,967 SH   SOLE 0 218,144 0 12,823
Devon Energy Corp COM 25179M103 20,034 386,165 SH   SOLE 0 367,701 0 18,464
Expeditors International of Wa COM 302130109 41,606 1,093,740 SH   SOLE 0 1,058,338 0 35,402
Fairfax Financial Hldgs LTD COM 303901102 59,521 152,579 SH   SOLE 0 144,695 0 7,884
Fastenal Co COM 311900104 35,991 785,992 SH   SOLE 0 738,781 0 47,211
Goldman Sachs Group Inc COM 38141G104 75,246 497,495 SH   SOLE 0 474,682 0 22,813
HomeFed Corp COM 43739D307 559 17,193 SH   SOLE 0 17,193 0 0
Leucadia National Corporation COM 527288104 61,166 2,332,782 SH   SOLE 0 2,204,540 0 128,242
Martin Marietta Materials COM 573284106 50,084 508,877 SH   SOLE 0 485,177 0 23,700
Mastercard Inc Class A COM 57636Q104 32,824 57,135 SH   SOLE 0 55,610 0 1,525
Mc Donald's Corporation COM 580135101 9,460 95,553 SH   SOLE 0 89,480 0 6,073
Moody's Corp. COM 615369105 81,791 1,342,371 SH   SOLE 0 1,276,022 0 66,349
NVR Inc. COM 62944T105 46,379 50,303 SH   SOLE 0 46,740 0 3,563
Toll Brothers Inc COM 889478103 70,452 2,159,123 SH   SOLE 0 2,051,299 0 107,824
US Bancorp COM 902973304 56,387 1,559,816 SH   SOLE 0 1,485,531 0 74,285
Union Pacific Corporation COM 907818108 24,475 158,643 SH   SOLE 0 152,549 0 6,094
Visa Inc Cl A COM 92826C839 14,446 79,045 SH   SOLE 0 72,632 0 6,413
Waters Corp COM 941848103 15,436 154,286 SH   SOLE 0 149,998 0 4,288
Wells Fargo & Company COM 949746101 124,541 3,017,725 SH   SOLE 0 2,875,438 0 142,287
YUM! Brands Inc COM 988498101 88,680 1,278,914 SH   SOLE 0 1,215,645 0 63,269