13F-HR 1 form13f_ms-research.dec2011.txt UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 13F FORM 13F COVER PAGE Report for the Calendar Year or Quarter Ended: December 31, 2011 Check here if Amendment [ ]; Amendment Number: ______ This Amendment: [ ] is a restatement. [ ] adds new holdings entries. Institutional Investment Manager Filing this Report: Name: Main Street Research LLC Address: 30 Liberty Ship Way, Suite 3330 Sausalito, CA 94965 Form 13F File Number: 028-14411 The institutional investment manager filing this report and the person by whom it is signed hereby represent that the person signing the report is authorized to submit it, that all information contained herein is true, correct and complete, and that it is understood that all required items, statements, schedules, lists, and tables, are considered integral parts of this form. Person Signing this Report on Behalf of Reporting Manager: Name: Charito A. Mittelman Title: Chief Compliance Officer Phone: 415-289-1010 Signature, Place, and Date of Signing: Charito A. Mittelman Sausalito, CA February 7, 2012 Report Type: [x] 13F HOLDINGS REPORT. [ ] 13F NOTICE. [ ] 13F COMBINATION REPORT. FORM 13F SUMMARy: Report Summary: Number of Other Included Managers: 0 Form 13F Information Table Entry Total: 101 Form 13F Information Table Value Total:$195,605 List of Other Included Managers: NONE FORM 13F INFORMATION TABLE FORM 13F INFORMATION TABLE VALUE SHARES/ SH/ PUT/ INVSTMT OTHER VOTING AUTHORITY NAME OF ISSUER TITLE OF CLASS CUSIP (x$1000) PRN AMT PRN CALL DSCRETN MANAGERS SOLE SHARED NONE ------------------------------ ---------------- --------- -------- -------- --- ---- ------- ------------ -------- -------- -------- Berkshire Hathaway Cl A COM 084670108 803 7 SH Sole 7 Abbott Laboratories COM 002824100 1035 18414 SH Sole 18414 Ace Limited COM H0023R105 210 3000 SH Sole 3000 Agilent Technologies COM 00846u101 269 7700 SH Sole 7700 Altria Group Inc COM 02209S103 329 11083 SH Sole 11083 Ambev Food & Beverage COM 20441w203 4910 136035 SH Sole 136035 American Electric Power COM 025537101 6303 152568 SH Sole 152568 American Express COM 025816109 1613 34197 SH Sole 34197 American Tower Corp COM 029912201 4714 78560 SH Sole 78560 Anadarko Petroleum Corp COM 032511107 207 2706 SH Sole 2706 Apple Computer COM 037833100 6614 16330 SH Sole 16330 Astrazeneca Plc Adr F COM 046353108 4501 97244 SH Sole 97244 At&t Inc COM 00206R102 2227 73631 SH Sole 73631 Auto Data Processing COM 053015103 595 11018 SH Sole 11018 Bank America Corp New COM 060505104 108 19378 SH Sole 19378 Bard C R Inc COM 067383109 1563 18283 SH Sole 18283 Berkshire Hathaway CL B COM 084670702 351 4605 SH Sole 4605 BioMarin Pharmaceuticals Inc COM 09061G101 521 15140 SH Sole 15140 Biogen IDEC Inc COM 09062X103 685 6225 SH Sole 6225 Brasil Foods SA Adr COM 10552T107 2375 121498 SH Sole 121498 Bristol-Myers Squibb Co. Com. COM 110122108 4715 133807 SH Sole 133807 C V S Caremark Corp COM 126650100 639 15674 SH Sole 15674 CPFL Energia SA COM 126153105 285 10110 SH Sole 10110 Cardinal Health COM 14149Y108 368 9054 SH Sole 9054 Celgene Corp COM 151020104 543 8034 SH Sole 8034 Charles Schwab Corp COM 808513105 892 79224 SH Sole 79224 Chevron Corp COM 166764100 7869 73958 SH Sole 73958 China Telecom Corp Ltd COM 169426103 2597 45455 SH Sole 45455 Chubb Corp COM 171232101 438 6323 SH Sole 6323 Cisco Systems, Inc. COM 17275r102 202 11165 SH Sole 11165 Clorox Co. Calif. COM 189054109 918 13789 SH Sole 13789 Coca Cola Co. COM 191216100 954 13633 SH Sole 13633 Colgate-Palmolive Co COM 194162103 2770 29976 SH Sole 29976 Comcast Corp Cl A COM 20030N101 298 12549 SH Sole 12549 Conoco Phillips COM 20825c104 502 6884 SH Sole 6884 Costco Corp COM 22160K105 2858 34299 SH Sole 34299 Danaher Corp Del COM 235851102 2197 46704 SH Sole 46704 Diageo Plc New ADR COM 25243q205 3774 43176 SH Sole 43176 Dominion Resources COM 25746u109 5397 101680 SH Sole 101680 Duke Energy Corp New COM 26441c105 214 9730 SH Sole 9730 Exxon Mobil Corp COM 30231G102 5139 60633 SH Sole 60633 Fastenal Company COM 311900104 1206 27655 SH Sole 27655 Forest Laboratories COM 345838106 268 8872 SH Sole 8872 Franklin Resources Inc COM 354613101 257 2675 SH Sole 2675 General Electric Co. COM 369604103 290 16215 SH Sole 16215 General Mills, Inc. COM 370334104 985 24369 SH Sole 24369 Gilead Sciences COM 375558103 1472 35967 SH Sole 35967 GlaxoSmithKline PLC COM 37733w105 275 6027 SH Sole 6027 Gold Corp Inc COM 380956409 563 12715 SH Sole 12715 Heinz H J Co COM 423074103 744 13765 SH Sole 13765 IAC Interactive Corp COM 44919p508 256 6017 SH Sole 6017 Int'l Business Machines COM 459200101 5056 27498 SH Sole 27498 Intuitive Surgical Inc COM 46120e602 443 956 SH Sole 956 Johnson & Johnson COM 478160104 691 10544 SH Sole 10544 KKR & Co. L.P. COM 48248M102 4381 341450 SH Sole 341450 Kellogg Co. COM 487836108 452 8934 SH Sole 8934 Kraft foods Inc COM 50075n104 5186 138800 SH Sole 138800 LinkedIn COM 53578a108 1514 24035 SH Sole 24035 McDonald's Corp. COM 580135101 4645 46300 SH Sole 46300 Medco Health Solutions COM 58405U102 410 7333 SH Sole 7333 Merck & Co Inc COM 58933y105 339 8996 SH Sole 8996 Microsoft Corp COM 594918104 375 14431 SH Sole 14431 Newmont Mining Corp. COM 651639106 1071 17848 SH Sole 17848 Noble Energy Inc COM 655044105 1113 11794 SH Sole 11794 Norfolk Southern Corp. COM 655844108 226 3100 SH Sole 3100 Oracle COM 68389X105 568 22158 SH Sole 22158 Pac Mercantile Bancorp COM 694552100 41 12650 SH Sole 12650 Pepsico COM 713448108 2064 31114 SH Sole 31114 Perrigo Company COM 714290103 837 8603 SH Sole 8603 Pfizer, Inc. COM 717081103 311 14365 SH Sole 14365 Philip Morris International COM 718172109 716 9125 SH Sole 9125 Precision Castparts Corp COM 740189105 4667 28320 SH Sole 28320 Procter & Gamble Co. COM 742718109 21450 321545 SH Sole 321545 Qualcomm Inc COM 747525103 1033 18888 SH Sole 18888 Ross Stores Inc COM 778296103 634 13334 SH Sole 13334 Royal Dutch Shell Plc Cl B COM 780259107 4506 59285 SH Sole 59285 S A P Aktiengesell ADR COM 803054204 780 14736 SH Sole 14736 Sanofi Aventis Adr COM 80105n105 289 7906 SH Sole 7906 Sempra Energy COM 816851109 526 9565 SH Sole 9565 Sirius XM Radio COM 82967N108 98 53630 SH Sole 53630 Smith & Nephew Adr COM 83175M205 1489 30916 SH Sole 30916 Smucker JM Company COM 832696405 315 4028 SH Sole 4028 Sysco Corp. COM 871829107 229 7820 SH Sole 7820 Target Corp COM 87612E106 3189 62262 SH Sole 62262 Teradata Corp COM 88076W103 235 4836 SH Sole 4836 The Southern Company COM 842587107 4973 107421 SH Sole 107421 Unilever PLC Amer Shs F COM 904767704 1188 35455 SH Sole 35455 Union Pacific Corp COM 907818108 329 3107 SH Sole 3107 Verizon Communications COM 92343v104 5072 126417 SH Sole 126417 Vodafone Group COM 92857w209 225 8030 SH Sole 8030 Walgreen Co. COM 931422109 235 7104 SH Sole 7104 Walt Disney Holding Co. COM 254687106 210 5613 SH Sole 5613 Watson Pharmaceuticals COM 942683103 7843 129974 SH Sole 129974 Whole Foods Market Inc COM 966837106 3880 55756 SH Sole 55756 Yum Brands Inc COM 988498101 4528 76740 SH Sole 76740 Zimmer Holdings Inc COM 98956P102 214 4011 SH Sole 4011 PowerShares QQQ Trust ETF 73935a104 273 4896 SH Sole 4896 Vanguard Total Stock Market VI ETF 922908769 370 5749 SH Sole 5749 Kinder Morgan Energy LP MLP 494550106 2153 25340 SH Sole 25340 Magellan Midstream Partners MLP 559080106 3845 55825 SH Sole 55825 Health Care Reit REIT 42217K106 569 10434 SH Sole 10434 Total $195,605