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 24,362,843 168,636 SH   SOLE   168,636 0 0
Berkshire Hathaway Inc. CL "A" Common Stock 084670108 1,513,540 7 SH   SOLE   7 0 0
Agnico Eagle Common Stock 268648102 575,663 10,625 SH   SOLE   10,625 0 0
Credit Acceptance Corporation Common Stock 225310101 7,632,818 37,961 SH   SOLE   37,961 0 0
D R Horton Inc Common Stock 23331A109 4,595,987 152,185 SH   SOLE   152,185 0 0
Novagold Resources Inc New Common Stock 66987E206 1,519,784 271,390 SH   SOLE   271,390 0 0
Blackstone Group L.P. Common Stock 09253U108 3,918,344 153,480 SH   SOLE   153,480 0 0
Maxim Integrated Products Common Stock 57772K101 2,660,536 66,630 SH   SOLE   66,630 0 0
Johnson & Johnson Common Stock 478160104 2,026,520 17,155 SH   SOLE   17,155 0 0
Goldcorp Inc. Common Stock 380956409 235,410 14,250 SH   SOLE   14,250 0 0
Roper Industries Common Stock 776696106 1,368,525 7,500 SH   SOLE   7,500 0 0
Enterprise Prods Partners LP Common Stock 293792107 9,121,354 330,125 SH   SOLE   330,125 0 0
Portfolio Recovery As. Common Stock 73640Q105 3,117,408 90,255 SH   SOLE   90,255 0 0
SPDR Gold Trust Common Stock 78463V107 2,452,242 19,518 SH   SOLE   19,518 0 0
INTUIT Common Stock 461202103 2,790,404 25,365 SH   SOLE   25,365 0 0
Salesforce.com Common Stock 79466L302 1,068,167 14,975 SH   SOLE   14,975 0 0
Knight Therapeutics In Common Stock 499053106 2,292,355 317,800 SH   SOLE   317,800 0 0
Central Fund of Canada Ltd Common Stock 153501101 165,960 12,000 SH   SOLE   12,000 0 0
Sprott Physical Gold Trust Common Stock 85207H104 692,040 63,200 SH   SOLE   63,200 0 0
Schlumberger Common Stock 806857108 707,760 9,000 SH   SOLE   9,000 0 0
EOG Resources Common Stock 26875P101 357,827 3,700 SH   SOLE   3,700 0 0