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
Berkshire Hathaway Hld B Common Stock 084670702 23,869,806 165,395 SH   SOLE   165,395 0 0
Berkshire Hathaway Inc. CL "A" Common Stock 084670108 2,175,000 10 SH   SOLE   10 0 0
Agnico Eagle Common Stock 268648102 333,185 11,925 SH   SOLE   11,925 0 0
Credit Acceptance Corporation Common Stock 225310101 16,953,105 86,939 SH   SOLE   86,939 0 0
D R Horton Inc Common Stock 23331A109 8,536,880 299,750 SH   SOLE   299,750 0 0
Range Resources Corp Com Common Stock 75281A109 3,649,565 70,130 SH   SOLE   70,130 0 0
Novagold Resources Inc New Common Stock 66987E206 446,960 151,000 SH   SOLE   151,000 0 0
Blackstone Group L.P. Common Stock 09253U108 6,820,334 175,375 SH   SOLE   175,375 0 0
Maxim Integrated Products Common Stock 57772K101 2,889,230 83,000 SH   SOLE   83,000 0 0
Lazard Ltd Pfd Common Stock G54050102 3,526,160 67,050 SH   SOLE   67,050 0 0
Tractor Supply Co. Common Stock 892356106 4,563,469 53,650 SH   SOLE   53,650 0 0
Johnson & Johnson Common Stock 478160104 1,793,698 17,830 SH   SOLE   17,830 0 0
Textura Corporation Common Stock 883211104 9,081,681 334,131 SH   SOLE   334,131 0 0
Goldcorp Inc. Common Stock 380956409 903,010 49,835 SH   SOLE   49,835 0 0
Ford Motor Company Common Stock 345370860 242,100 15,000 SH   SOLE   15,000 0 0
Roper Industries Common Stock 776696106 2,045,080 11,890 SH   SOLE   11,890 0 0
Enterprise Prods Partners LP Common Stock 293792107 6,189,852 187,970 SH   SOLE   187,970 0 0
Portfolio Recovery As. Common Stock 73640Q105 3,241,546 59,675 SH   SOLE   59,675 0 0
SPDR Gold Trust Common Stock 78463V107 2,275,246 20,018 SH   SOLE   20,018 0 0
Petaquilla Minerals LTD Common Stock 716013107 302 20,000 SH   SOLE   20,000 0 0
Transdigm Group Inc. Common Stock 893641100 1,077,196 4,925 SH   SOLE   4,925 0 0
Kinger Morgan, Inc. Common Stock 49456B101 4,331,759 102,990 SH   SOLE   102,990 0 0
Central Fund of Canada Ltd Common Stock 153501101 274,390 23,000 SH   SOLE   23,000 0 0
Sprott Physical Gold Trust Common Stock 85207H104 775,065 79,250 SH   SOLE   79,250 0 0
New Gold, Inc. Common Stock 664535106 761,564 224,650 SH   SOLE   224,650 0 0
Exxon Mobil Corporation Common Stock 30231G102 833,000 9,800 SH   SOLE   9,800 0 0
Schlumberger Common Stock 806857108 1,543,640 18,500 SH   SOLE   18,500 0 0
Red Hat, Inc Common Stock 756577102 3,293,231 43,475 SH   SOLE   43,475 0 0
American International Group Common Stock 026874784 4,850,833 88,535 SH   SOLE   88,535 0 0
Apple Inc Common Stock 037833100 209,042 1,680 SH   SOLE   1,680 0 0