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
ALARM COM HLDGS INC COM 011642105 15,052 400,000 SH   SOLE   400,000 0 0
AMERICAN TOWER CORP NEW COM 03027X100 901,219 6,810,903 SH   SOLE   6,810,903 0 0
AMERICAN TOWER CORP NEW PFD CONV SER B 03027X407 62,403 514,748 SH   SOLE   514,748 0 0
BANK AMER CORP W EXP 01/16/201 060505146 8,824 732,890 SH   SOLE   732,890 0 0
BERKSHIRE HATHAWAY INC DEL CL B NEW 084670702 66,219 390,974 SH   SOLE   390,974 0 0
BERKSHIRE HATHAWAY INC DEL CL A 084670108 10,697 42 SH   SOLE   42 0 0
BOSTON OMAHA CORP COM 101044105 4,615 350,000 SH   SOLE   350,000 0 0
CARMAX INC COM 143130102 326,058 5,170,601 SH   SOLE   5,170,601 0 0
CSX CORP COM 126408103 267 4,899 SH   SOLE   4,899 0 0
DANAHER CORP DEL COM 235851102 139,691 1,655,300 SH   SOLE   1,655,300 0 0
DIAMOND HILL INVESTMENT GROU COM NEW 25264R207 29,013 145,500 SH   SOLE   145,500 0 0
DOLLAR TREE INC COM 256746108 338,711 4,844,272 SH   SOLE   4,844,272 0 0
ENSTAR GROUP LIMITED SHS G3075P101 289,485 1,457,264 SH   SOLE   1,457,264 0 0
LKQ CORP COM 501889208 116,972 3,550,000 SH   SOLE   3,550,000 0 0
LAMAR ADVERTISING CO CL A 512816109 3,570 48,530 SH   SOLE   48,530 0 0
MARKEL CORP COM 570535104 503,654 516,113 SH   SOLE   516,113 0 0
MASTERCARD INC CL A 57636Q104 649,199 5,345,399 SH   SOLE   5,345,399 0 0
MONRO MUFFLER BRAKE INC COM 610236101 67,748 1,622,700 SH   SOLE   1,622,700 0 0
MOODYS CORP COM 615369105 693,537 5,699,676 SH   SOLE   5,699,676 0 0
O REILLY AUTOMOTIVE INC NEW COM 67103H107 260,963 1,193,026 SH   SOLE   1,193,026 0 0
PRIMO WTR CORP COM 74165N105 21,327 1,679,313 SH   SOLE   1,679,313 0 0
ROPER INDS INC NEW COM 776696106 362,892 1,567,365 SH   SOLE   1,567,365 0 0
SBA COMMUNICATIONS CORP COM 78388J106 332,528 2,465,000 SH   SOLE   2,465,000 0 0
TD AMERITRADE HLDG CORP COM 87236Y108 127,573 2,967,500 SH   SOLE   2,967,500 0 0
UBIQUITI NETWORKS INC COM 90347A100 139,280 2,680,000 SH   SOLE   2,680,000 0 0
VERISK ANALYTICS INC CL A 92345Y106 219,782 2,604,982 SH   SOLE   2,604,982 0 0
VISA INC COM CL A 92826C839 458,492 4,889,020 SH   SOLE   4,889,020 0 0
WMIH Corp COM 92936P100 1,825 1,460,000 SH   SOLE   1,460,000 0 0