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 24,858,561 171,687 SH   SOLE   171,687 0 0
Berkshire Hathaway Inc. CL "A" Common Stock 084670108 1,518,825 7 SH   SOLE   7 0 0
Agnico Eagle Common Stock 268648102 568,438 10,625 SH   SOLE   10,625 0 0
Credit Acceptance Corporation Common Stock 225310101 9,019,689 48,734 SH   SOLE   48,734 0 0
D R Horton Inc Common Stock 23331A109 4,822,264 153,185 SH   SOLE   153,185 0 0
Novagold Resources Inc New Common Stock 66987E206 1,637,957 267,640 SH   SOLE   267,640 0 0
Blackstone Group L.P. Common Stock 09253U108 3,933,271 160,280 SH   SOLE   160,280 0 0
Maxim Integrated Products Common Stock 57772K101 2,474,388 69,330 SH   SOLE   69,330 0 0
Tractor Supply Co. Common Stock 892356106 2,302,295 25,250 SH   SOLE   25,250 0 0
Johnson & Johnson Common Stock 478160104 2,150,043 17,725 SH   SOLE   17,725 0 0
Goldcorp Inc. Common Stock 380956409 308,950 16,150 SH   SOLE   16,150 0 0
Roper Industries Common Stock 776696106 1,392,377 7,650 SH   SOLE   7,650 0 0
Enterprise Prods Partners LP Common Stock 293792107 9,820,095 335,615 SH   SOLE   335,615 0 0
Portfolio Recovery As. Common Stock 73640Q105 1,604,224 66,455 SH   SOLE   66,455 0 0
SPDR Gold Trust Common Stock 78463V107 2,468,441 19,518 SH   SOLE   19,518 0 0
INTUIT Common Stock 461202103 2,874,292 25,753 SH   SOLE   25,753 0 0
Salesforce.com Common Stock 79466L302 1,395,631 17,575 SH   SOLE   17,575 0 0
Knight Therapeutics In Common Stock 499053106 2,056,624 321,800 SH   SOLE   321,800 0 0
Central Fund of Canada Ltd Common Stock 153501101 166,800 12,000 SH   SOLE   12,000 0 0
Sprott Physical Gold Trust Common Stock 85207H104 693,936 63,200 SH   SOLE   63,200 0 0
Schlumberger Common Stock 806857108 711,720 9,000 SH   SOLE   9,000 0 0
Exxon Mobil Corporation Common Stock 30231G102 206,228 2,200 SH   SOLE   2,200 0 0
EOG Resources Common Stock 26875P101 308,654 3,700 SH   SOLE   3,700 0 0