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
ARMSTRONG WORLD INDUSTRIES COM 04247X102 6,726 162,798 SH   SOLE NONE 138,934 23,864 0
BANK OF AMERICA CORP COM 060505104 54,105 3,457,220 SH   SOLE NONE 2,960,820 496,400 0
BERKSHIRE HATHAWAY INC CL A CL A 084670108 9,297 43 SH   SOLE NONE 26 17 0
BERKSHIRE HATHAWAY INC CL B CL B NEW 084670702 191,313 1,324,241 SH   SOLE NONE 1,169,339 154,902 0
CIMPRESS N V SHS EURO N20146101 180,899 1,787,898 SH   SOLE NONE 1,534,706 253,192 0
COPART INC COM 217204106 6,148 114,805 SH   SOLE NONE 99,295 15,510 0
DESWELL INDUSTRIES INC COM 250639101 177 100,981 SH   SOLE NONE 100,981 0 0
HEICO CORP NEW - CL A CL A 422806208 1,873 30,961 SH   SOLE NONE 30,961 0 0
INTERACTIVE BROKERS GRO-CL A COM 45841N107 74,842 2,121,990 SH   SOLE NONE 1,814,839 307,151 0
LEUCADIA NATIONAL CORP COM 527288104 111,123 5,836,312 SH   SOLE NONE 4,986,752 849,560 0
LIBERTY GLOBAL INC-SERIES C SHS CL C G5480U120 1,032 31,251 SH   SOLE NONE 8,426 22,825 0
MOODYS CORP COM 615369105 15,602 144,093 SH   SOLE NONE 122,528 21,565 0
MSC INDUSTRIAL DIRECT CO-A CL A 553530106 67,566 920,397 SH   SOLE NONE 788,285 132,112 0
NOW INC/DE COM 67011P100 75,804 3,537,293 SH   SOLE NONE 3,023,180 514,113 0
RAVEN INDUSTRIES INC COM 754212108 500 22,739 SH   SOLE NONE 21,739 1,000 0
VALMONT INDUSTRIES COM 920253101 2,834 21,060 SH   SOLE NONE 18,360 2,700 0
VIACOM INC-CLASS B CL B 92553P201 8,704 283,283 SH   SOLE NONE 228,458 54,825 0
WELLS FARGO & COMPANY COM 949746101 53,809 1,215,199 SH   SOLE NONE 1,043,774 171,425 0