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 21,236,152 169,930 SH   SOLE   169,930 0 0
Berkshire Hathaway Inc. CL "A" Common Stock 084670108 2,622,901 14 SH   SOLE   14 0 0
Agnico Eagle Common Stock 268648102 453,750 15,000 SH   SOLE   15,000 0 0
Credit Acceptance Corporation Common Stock 225310101 11,480,318 80,762 SH   SOLE   80,762 0 0
D R Horton Inc Common Stock 23331A109 7,506,055 346,700 SH   SOLE   346,700 0 0
Range Resources Corp Com Common Stock 75281A109 5,169,861 62,310 SH   SOLE   62,310 0 0
Novagold Resources Inc New Common Stock 66987E206 740,050 205,000 SH   SOLE   205,000 0 0
ETFS Metal Securities Austrailia LTD Redeemable Pref SHS Common Stock Q3635T113 341,081 2,672 SH   SOLE   2,672 0 0
Vodaphone Group Plc ADR Common Stock 92857W209 557,377 15,142 SH   SOLE   15,142 0 0
Maxim Integrated Products Common Stock 57772K101 2,036,880 61,500 SH   SOLE   61,500 0 0
Lazard Ltd Pfd Common Stock G54050102 6,355,266 134,960 SH   SOLE   134,960 0 0
Canadian Natural Resources Common Stock 136385101 3,600,641 93,840 SH   SOLE   93,840 0 0
Duluth Metals Common Stock 26443R100 17,400 30,000 SH   SOLE   30,000 0 0
Johnson & Johnson Common Stock 478160104 2,930,201 29,830 SH   SOLE   29,830 0 0
Textura Corporation Common Stock 883211104 11,313,063 448,753 SH   SOLE   448,753 0 0
Goldcorp Inc. Common Stock 380956409 2,229,149 91,060 SH   SOLE   91,060 0 0
Ford Motor Company Common Stock 345370860 234,000 15,000 SH   SOLE   15,000 0 0
Rice Energy Common Stock 762760106 2,348,631 88,997 SH   SOLE   88,997 0 0
Silver Springs Networks Inc Common Stock 82817Q103 621,335 35,750 SH   SOLE   35,750 0 0
Enterprise Prods Partners LP Common Stock 293792107 3,716,656 53,585 SH   SOLE   53,585 0 0
Portfolio Recovery As. Common Stock 73640Q105 1,128,270 19,500 SH   SOLE   19,500 0 0
SPDR Gold Trust Common Stock 78463V107 3,500,388 28,318 SH   SOLE   28,318 0 0
Petaquilla Minerals LTD Common Stock 716013107 6,961 31,640 SH   SOLE   31,640 0 0
Transdigm Group Inc. Common Stock 893641100 1,041,750 5,625 SH   SOLE   5,625 0 0
Kinger Morgan, Inc. Common Stock 49456B101 3,573,900 110,000 SH   SOLE   110,000 0 0
Dunkin Brands Group IN Common Stock 265504100 3,360,555 66,970 SH   SOLE   66,970 0 0
Sprott Physical Gold Trust Common Stock 85207H104 845,598 79,250 SH   SOLE   79,250 0 0
New Gold, Inc. Common Stock 664535106 1,199,260 245,750 SH   SOLE   245,750 0 0
Exxon Mobil Corporation Common Stock 30231G102 1,158,192 11,857 SH   SOLE   11,857 0 0
KB Home Common Stock 48666K109 807,025 47,500 SH   SOLE   47,500 0 0
Schlumberger Common Stock 806857108 1,852,500 19,000 SH   SOLE   19,000 0 0
American International Group Common Stock 026874784 5,581,366 111,605 SH   SOLE   111,605 0 0
STAG Industrial Inc. Common Stock 85254J102 2,271,425 94,250 SH   SOLE   94,250 0 0