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 175,508 1,688,553 SH   SOLE   1,385,539 0 303,014
Nestle S A Rep RG SH ADR ADR 641069406 613,970 8,416,318 SH   SOLE   7,189,699 0 1,226,619
Sanofi ADR ADR 80105n105 319 7,000 SH   SOLE   7,000 0 0
Total SA B ADR's ADR 89151E109 225 4,400 SH   SOLE   4,400 0 0
Vodafone Group PLC-SP ADR ADR 92857w308 242 7,090 SH   SOLE   7,090 0 0
3M Company COM 88579y101 378,465 2,303,218 SH   SOLE   1,971,739 0 331,479
Altera Corporation COM 021441100 389,461 10,543,076 SH   SOLE   9,054,459 0 1,488,617
Amazon.com Inc COM 023135106 534,403 1,721,938 SH   SOLE   1,467,553 0 254,385
American Intl Group Inc New COM 026874784 739 13,200 SH   SOLE   13,200 0 0
Anadarko Petroleum COM 032511107 255,881 3,101,588 SH   SOLE   2,651,320 0 450,268
AON PLC COM G0408V102 1,376,935 14,520,034 SH   SOLE   12,454,141 0 2,065,893
Apache Corp COM 037411105 329 5,250 SH   SOLE   5,250 0 0
Ascent Capital Group Inc-A COM 043632108 4,269 80,656 SH   SOLE   76,187 0 4,469
Bank of NY Mellon COM 064058100 487 12,000 SH   SOLE   12,000 0 0
Berkley W R Corp COM 084423102 554,662 10,820,558 SH   SOLE   9,285,070 0 1,535,488
Berkshire Hathaway Inc Cl A COM 084670108 102,604 454 SH   SOLE   454 0 0
Berkshire Hathaway Inc Cl B COM 084670702 1,580,106 10,523,515 SH   SOLE   8,932,704 0 1,590,811
Borg Warner Inc COM 099724106 3,517 64,000 SH   SOLE   64,000 0 0
Charter Communications COM 16117m305 317 1,900 SH   SOLE   1,900 0 0
Citigroup Inc. COM 172967424 1,430,371 26,434,513 SH   SOLE   22,660,225 0 3,774,288
Coca Cola Co COM 191216100 943,825 22,354,924 SH   SOLE   19,077,392 0 3,277,532
Comcast Corp Cl A COM 20030N101 16,536 285,060 SH   SOLE   93,165 0 191,895
Comcast Corp Special Cl A COM 20030N200 556,227 9,662,582 SH   SOLE   8,418,641 0 1,243,941
ConocoPhillips COM 20825c104 387 5,600 SH   SOLE   5,600 0 0
Constellation Brands Inc COM 21036p108 565,966 5,765,162 SH   SOLE   4,953,069 0 812,093
Discovery Communications Cl A COM 25470f104 142,471 4,135,581 SH   SOLE   3,648,031 0 487,550
Discovery Communications Cl C COM 25470f302 98,026 2,907,071 SH   SOLE   2,294,431 0 612,640
Dish Network Corp Cl A COM 25470M109 673,357 9,237,993 SH   SOLE   7,925,986 0 1,312,007
Echostar Corp COM 278768106 215 4,100 SH   SOLE   4,100 0 0
Ecolab Inc COM 278865100 1,032,022 9,873,921 SH   SOLE   8,486,003 0 1,387,918
Goldman Sachs Group Inc COM 38141g104 556,996 2,873,634 SH   SOLE   2,430,725 0 442,909
Google Inc Cl A COM 38259P508 411,129 774,750 SH   SOLE   680,665 0 94,085
Google Inc Cl C COM 38259P706 587,242 1,115,582 SH   SOLE   917,180 0 198,402
Healthequity Inc COM 42226A107 1,018 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 677 23,200 SH   SOLE   23,200 0 0
JPMorgan Chase & Co COM 46625h100 277,115 4,428,179 SH   SOLE   3,792,874 0 635,305
Liberty Global Plc-A COM G5480U104 25,860 515,093 SH   SOLE   470,657 0 44,436
Liberty Global Plc-Series C COM G5480U120 1,592,152 32,956,983 SH   SOLE   28,211,212 0 4,745,771
Loews Corp COM 540424108 209,740 4,991,431 SH   SOLE   4,298,289 0 693,142
McDonald's Corp COM 580135101 234 2,500 SH   SOLE   2,500 0 0
Microsoft Corp COM 594918104 1,492,210 32,125,091 SH   SOLE   27,440,525 0 4,684,566
Mondelez International Inc COM 609207105 780,132 21,476,435 SH   SOLE   18,308,447 0 3,167,988
Morgan Stanley COM 617446448 901,844 23,243,409 SH   SOLE   19,880,995 0 3,362,414
Newfield Exploration Co COM 651290108 618 22,800 SH   SOLE   22,800 0 0
News Corp Ltd Class A COM 65249b109 306 19,475 SH   SOLE   19,475 0 0
Noble Energy Inc COM 655044105 687,959 14,504,726 SH   SOLE   12,339,282 0 2,165,444
Oracle Systems COM 68389X105 2,033,148 45,211,209 SH   SOLE   38,526,272 0 6,684,937
Pepsico COM 713448108 824,993 8,724,547 SH   SOLE   7,443,322 0 1,281,225
Praxair Inc COM 74005P104 661,556 5,106,172 SH   SOLE   4,371,365 0 734,807
SPDR S&P 500 ETF Trust COM 78462F103 2,132 10,375 SH   SOLE   10,375 0 0
Telephone and Data Systems COM 879433829 225 8,900 SH   SOLE   8,900 0 0
Thermo Fisher Scientific Inc COM 883556102 633,237 5,054,171 SH   SOLE   4,420,223 0 633,948
Travelers Companies, Inc. COM 89417E109 730 6,900 SH   SOLE   6,900 0 0
Twenty-First Century Fox Cl A COM 90130a101 243,489 6,340,045 SH   SOLE   5,794,817 0 545,228
Twenty-First Century Fox Cl B COM 90130a200 1,016,849 27,564,363 SH   SOLE   23,207,584 0 4,356,779
UnitedHealth Group Inc COM 91324P102 1,140,031 11,277,382 SH   SOLE   9,683,748 0 1,593,634
Valeant Pharmaceuticals Intern COM 91911K102 560,144 3,914,082 SH   SOLE   3,407,405 0 506,677
Wal-Mart Stores Inc COM 931142103 438,121 5,101,553 SH   SOLE   4,325,833 0 775,720
Wells Fargo COM 949746101 400 7,300 SH   SOLE   7,300 0 0