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
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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
Alibaba Group Holding Ltd ADR 01609W102 335,713 4,033,070 SH   SOLE   3,212,375 0 820,695
Nestle S A Rep RG SH ADR ADR 641069406 630,646 8,383,958 SH   SOLE   7,152,080 0 1,231,878
Sanofi ADR ADR 80105n105 346 7,000 SH   SOLE   7,000 0 0
Total SA B ADR's ADR 89151E109 219 4,400 SH   SOLE   4,400 0 0
Vodafone Group PLC-SP ADR ADR 92857w308 232 7,090 SH   SOLE   7,090 0 0
3M Company COM 88579y101 373,570 2,264,749 SH   SOLE   1,932,784 0 331,965
Altera Corporation COM 021441100 452,326 10,541,270 SH   SOLE   9,039,438 0 1,501,832
Amazon.com Inc COM 023135106 829,208 2,228,456 SH   SOLE   1,898,951 0 329,505
American Intl Group Inc New COM 026874784 723 13,200 SH   SOLE   13,200 0 0
Anadarko Petroleum COM 032511107 259,042 3,128,147 SH   SOLE   2,672,497 0 455,650
AON PLC COM G0408V102 1,377,126 14,327,149 SH   SOLE   12,258,347 0 2,068,802
Apache Corp COM 037411105 317 5,250 SH   SOLE   5,250 0 0
Ascent Capital Group Inc-A COM 043632108 3,206 80,535 SH   SOLE   75,743 0 4,792
Bank of NY Mellon COM 064058100 483 12,000 SH   SOLE   12,000 0 0
Berkley W R Corp COM 084423102 540,523 10,701,307 SH   SOLE   9,166,355 0 1,534,952
Berkshire Hathaway Inc Cl A COM 084670108 98,527 453 SH   SOLE   453 0 0
Berkshire Hathaway Inc Cl B COM 084670702 1,513,432 10,486,641 SH   SOLE   8,886,729 0 1,599,912
Borg Warner Inc COM 099724106 3,871 64,000 SH   SOLE   64,000 0 0
Charter Communications COM 16117m305 367 1,900 SH   SOLE   1,900 0 0
Citigroup Inc. COM 172967424 1,357,328 26,345,647 SH   SOLE   22,537,366 0 3,808,281
Coca Cola Co COM 191216100 904,478 22,305,250 SH   SOLE   19,000,681 0 3,304,569
Comcast Corp Special Cl A COM 20030N200 151,719 2,706,126 SH   SOLE   2,300,205 0 405,921
ConocoPhillips COM 20825c104 349 5,600 SH   SOLE   5,600 0 0
Constellation Brands Inc COM 21036p108 650,055 5,593,796 SH   SOLE   4,788,286 0 805,510
Discovery Communications Cl A COM 25470f104 141,100 4,587,131 SH   SOLE   4,074,981 0 512,150
Discovery Communications Cl C COM 25470f302 103,186 3,500,799 SH   SOLE   2,845,734 0 655,065
Dish Network Corp Cl A COM 25470M109 770,680 11,000,287 SH   SOLE   9,434,818 0 1,565,469
Echostar Corp COM 278768106 212 4,100 SH   SOLE   4,100 0 0
Ecolab Inc COM 278865100 1,121,849 9,808,084 SH   SOLE   8,405,062 0 1,403,022
Fidelity National Information COM 31620m106 218 3,200 SH   SOLE   3,200 0 0
Goldman Sachs Group Inc COM 38141g104 538,987 2,867,408 SH   SOLE   2,422,586 0 444,822
Google Inc Cl A COM 38259P508 421,703 760,237 SH   SOLE   666,411 0 93,826
Google Inc Cl C COM 38259P706 626,383 1,143,035 SH   SOLE   941,442 0 201,593
Healthequity Inc COM 42226A107 1,000 40,000 SH   SOLE   35,000 0 5,000
IBM COM 459200101 433 2,700 SH   SOLE   2,700 0 0
Interactive Brokers Group, Inc COM 45841n107 789 23,200 SH   SOLE   23,200 0 0
JPMorgan Chase & Co COM 46625h100 526,748 8,695,078 SH   SOLE   7,483,758 0 1,211,320
Liberty Global Plc-A COM G5480U104 25,448 494,424 SH   SOLE   451,004 0 43,420
Liberty Global Plc-Series C COM G5480U120 1,629,585 32,716,016 SH   SOLE   27,950,711 0 4,765,305
Loews Corp COM 540424108 176,836 4,331,021 SH   SOLE   3,655,816 0 675,205
Microsoft Corp COM 594918104 1,300,064 31,977,958 SH   SOLE   27,246,383 0 4,731,575
Mondelez International Inc COM 609207105 777,327 21,538,559 SH   SOLE   18,339,448 0 3,199,111
Morgan Stanley COM 617446448 816,402 22,874,813 SH   SOLE   19,510,680 0 3,364,133
Newfield Exploration Co COM 651290108 800 22,800 SH   SOLE   22,800 0 0
News Corp Ltd Class A COM 65249b109 312 19,475 SH   SOLE   19,475 0 0
Noble Energy Inc COM 655044105 837,301 17,122,723 SH   SOLE   14,576,690 0 2,546,033
Oracle Systems COM 68389X105 1,929,833 44,723,823 SH   SOLE   38,004,916 0 6,718,907
Pepsico COM 713448108 829,998 8,680,172 SH   SOLE   7,389,147 0 1,291,025
Praxair Inc COM 74005P104 618,944 5,126,251 SH   SOLE   4,384,122 0 742,129
Telephone and Data Systems COM 879433829 222 8,900 SH   SOLE   8,900 0 0
Thermo Fisher Scientific Inc COM 883556102 668,251 4,974,327 SH   SOLE   4,335,795 0 638,532
Travelers Companies, Inc. COM 89417E109 746 6,900 SH   SOLE   6,900 0 0
Twenty-First Century Fox Cl A COM 90130a101 210,208 6,211,832 SH   SOLE   5,670,706 0 541,126
Twenty-First Century Fox Cl B COM 90130a200 911,268 27,714,967 SH   SOLE   23,307,207 0 4,407,760
UnitedHealth Group Inc COM 91324P102 1,289,747 10,903,264 SH   SOLE   9,314,310 0 1,588,954
Valeant Pharmaceuticals Intern COM 91911K102 751,087 3,781,527 SH   SOLE   3,276,675 0 504,852
Wal-Mart Stores Inc COM 931142103 406,156 4,938,072 SH   SOLE   4,175,565 0 762,507
Wells Fargo COM 949746101 397 7,300 SH   SOLE   7,300 0 0