0001047469-13-001018.txt : 20130214 0001047469-13-001018.hdr.sgml : 20130214 20130214060107 ACCESSION NUMBER: 0001047469-13-001018 CONFORMED SUBMISSION TYPE: 13F-HR PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20121231 FILED AS OF DATE: 20130214 DATE AS OF CHANGE: 20130214 EFFECTIVENESS DATE: 20130214 FILER: COMPANY DATA: COMPANY CONFORMED NAME: PRIMECAP MANAGEMENT CO/CA/ CENTRAL INDEX KEY: 0000763212 IRS NUMBER: 953868081 FILING VALUES: FORM TYPE: 13F-HR SEC ACT: 1934 Act SEC FILE NUMBER: 028-01469 FILM NUMBER: 13606002 BUSINESS ADDRESS: STREET 1: 225 SOUTH LAKE AVE STE 400 CITY: PASADENA STATE: CA ZIP: 91101-3005 BUSINESS PHONE: 8183049222 MAIL ADDRESS: STREET 1: 225 SOUTH LAKE AVE SUITE 400 CITY: PASADENA STATE: CA ZIP: 91101 13F-HR 1 a2212870z13f-hr.txt 13F-HR 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, 2012 ----------------------- Check Here if Amendment / /; Amendment Number: --------- This Amendment (Check only one.): / / is a restatement. / / adds new holdings entries. Institutional Investment Manager Filing this Report: Name: PRIMECAP Management Company ------------------------------- Address: 225 S. Lake Ave. #400 ------------------------------- Pasadena, CA 91101 ------------------------------- Form 13F File Number: 28-01469 ----------------------- 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: Karen Chen ---------------------------------- Title: Director of Compliance & Reporting ---------------------------------- Phone: (626) 304-9222 ---------------------------------- Signature, Place, and Date of Signing: /s/ Karen Chen Pasadena, CA 2/12/13 ------------------------------- ------------------ ------------- [Signature] [City, State] [Date] Report Type (Check only one.): /X/ 13F HOLDINGS REPORT. (Check here if all holdings of this reporting manager are reported in this report.) / / 13F NOTICE. (Check here if no holdings reported are in this report, and all holdings are reported by other reporting manager(s).) / / 13F COMBINATION REPORT. (Check here if a portion of the holdings for this reporting manager are reported in this report and a portion are reported by other reporting manager(s).) List of Other Managers Reporting for this Manager: [If there are no entries in this list, omit this section.] Form 13F File Number Name 28- --------------- ------------------------------------ [Repeat as necessary.] FORM 13F SUMMARY PAGE Report Summary: Number of Other Included Managers: 0 -------------------- Form 13F Information Table Entry Total: -------------------- Form 13F Information Table Value Total: $61,820,537 -------------------- (thousands) List of Other Included Managers: Provide a numbered list of the name(s) and Form 13F file number(s) of all institutional investment managers with respect to which this report is filed, other than the manager filing this report. [If there are no entries in this list, state "NONE" and omit the column headings and list entries.] No. Form 13F File Number Name 28- ------ ----------------- --------------------------------- [Repeat as necessary.] 1 PRIMECAP Management Company FORM 13F DECEMBER 31, 2012

VOTING AUTHORITY ------------------------ VALUE SHARES/ SH/ PUT/ INVSTMT OTHER NAME OF ISSUER TITLE OF CLASS CUSIP (X$1000) PRN AMT PRN CALL DSCRETN MANAGERS SOLE SHARED NONE ------------------------------ -------------- ------------- -------- -------- --- ---- ------- -------- -------- ------ -------- 3D SYSTEMS CORP COM 88554D205 8179 153300 SH Sole 89700 63600 ABBOTT LABORATORIES COM 002824100 408658 6239047 SH Sole 2746047 3493000 ABBOTT LABS WI COM 002824126 35482 1130000 SH Sole 424700 705300 ABIOMED INC. COM 003654100 71201 5297690 SH Sole 4135573 1162117 ACCENTURE PLC COM G1151C101 276883 4163650 SH Sole 103500 4060150 ACCURAY INC. COM 004397105 48836 7595000 SH Sole 6132600 1462400 ACTIVE NETWORK COM 00506D100 10926 2225300 SH Sole 1871500 353800 ACTIVISION BLIZZARD COM 00507V109 64192 6044400 SH Sole 1483700 4560700 ADOBE SYS INC COM 00724F101 1582187 41990090 SH Sole 11561450 30428640 AECOM TECHNOLOGY CORP COM 00766T100 80446 3380100 SH Sole 1514500 1865600 AES CORP COM 00130H105 29318 2740000 SH Sole 2740000 AFFYMETRIX INC. COM 00826T108 22162 6991040 SH Sole 3739840 3251200 AGILENT TECHNOLOGIES COM 00846U101 4368 106698 SH Sole 29480 77218 AKAMAI TECHNOLOGIES COM 00971T101 3355 82000 SH Sole 80000 2000 ALASKA AIRGROUP INC. COM 011659109 156007 3620500 SH Sole 437600 3182900 ALEXANDER & BALDWIN HLDGS INC COM 014491104 33280 1133137 SH Sole 997637 135500 ALLEGIANT TRAVEL CO COM 01748X102 1527 20800 SH Sole 20800 ALTERA CORP. COM 021441100 451167 13119135 SH Sole 5250454 7868681 AMAZON.COM INC COM 023135106 36752 146500 SH Sole 15000 131500 AMERICAN EXPRESS CO. COM 025816109 38161 663900 SH Sole 117000 546900 AMGEN INC. COM 031162100 3623583 42036924 SH Sole 11738164 30298760 ANALOG DEVICES COM 032654105 26960 641000 SH Sole 46000 595000 APPLE INC COM 037833100 51514 96800 SH Sole 96800 APPLIED MATERIALS COM 038222105 179713 15709205 SH Sole 4582005 11127200 ARKANSAS BEST CORP COM 040790107 10952 1146800 SH Sole 916300 230500 ASCENA RETAIL GROUP COM 04351G101 60011 3249100 SH Sole 431700 2817400 ASML HOLDING NV COM N07059210 298425 4634642 SH Sole 1210206 3424436 AUDIENCE COM 05070J102 1872 180200 SH Sole 93000 87200

2 PRIMECAP Management Company FORM 13F DECEMBER 31, 2012

VOTING AUTHORITY ------------------------ VALUE SHARES/ SH/ PUT/ INVSTMT OTHER NAME OF ISSUER TITLE OF CLASS CUSIP (X$1000) PRN AMT PRN CALL DSCRETN MANAGERS SOLE SHARED NONE ------------------------------ -------------- ------------- -------- -------- --- ---- ------- -------- -------- ------ -------- BABCOCK & WILCOX CO. NEW COM 05615F102 57495 2194450 SH Sole 1210800 983650 BED BATH & BEYOND INC. COM 075896100 352761 6309436 SH Sole 1801604 4507832 BERKSHIRE HATHAWAY B COM 084670702 435538 4855500 SH Sole 1733950 3121550 BIOGEN IDEC COM 09062X103 3051764 20849653 SH Sole 4263418 16586235 BIOMARIN PHARMA COM 09061G101 398561 8100829 SH Sole 2820720 5280109 BOEING CO. COM 097023105 514774 6830861 SH Sole 2800239 4030622 BOSTON SCIENTIFIC CORP COM 101137107 294018 51312012 SH Sole 10372081 40939931 BROCADE COMM SYS COM 111621306 7639 1433200 SH Sole 148200 1285000 CABOT CORP COM 127055101 40188 1010000 SH Sole 260000 750000 CABOT OIL & GAS CORP COM 127097103 59519 1196600 SH Sole 250200 946400 CALLAWAY GOLF CO. COM 131193104 8410 1293771 SH Sole 378102 915669 CAMERON INTL CORP. COM 13342B105 97617 1728950 SH Sole 681600 1047350 CANADIAN PACIFIC RAILWAY COM 13645T100 53587 527330 SH Sole 11300 516030 CARDICA INC COM 14141R101 1297 1179300 SH Sole 875500 303800 CARMAX INC. COM 143130102 540302 14392708 SH Sole 7240431 7152277 CARNIVAL CORP COM 143658300 586127 15940364 SH Sole 7017700 8922664 CATERPILLAR INC DEL COM 149123101 413167 4610728 SH Sole 1355438 3255290 CENOVUS ENERGY INC COM 15135U109 95428 2845214 SH Sole 691214 2154000 CEPHEID COM 15670R107 74004 2185600 SH Sole 1842700 342900 CERNER CORP COM 156782104 814 10500 SH Sole 10500 CH ROBINSON WORLDWIDE COM 12541W209 607498 9609274 SH Sole 2227176 7382098 CHARLES RIVER LAB COM 159864107 20279 541200 SH Sole 132700 408500 CHICAGO BRIDGE & IRON COM 167250109 12978 280000 SH Sole 280000 CHUBB CORP. COM 171232101 433474 5755096 SH Sole 2072946 3682150 CIENA CORP COM 171779309 10530 670697 SH Sole 54884 615813 CIRCOR CORP COM 17273K109 16945 428000 SH Sole 305000 123000 CISCO SYSTEMS INC COM 17275R102 32710 1664639 SH Sole 814639 850000 CITRIX SYSTEMS INC. COM 177376100 1640 25000 SH Sole 25000

3 PRIMECAP Management Company FORM 13F DECEMBER 31, 2012

VOTING AUTHORITY ------------------------ VALUE SHARES/ SH/ PUT/ INVSTMT OTHER NAME OF ISSUER TITLE OF CLASS CUSIP (X$1000) PRN AMT PRN CALL DSCRETN MANAGERS SOLE SHARED NONE ------------------------------ -------------- ------------- -------- -------- --- ---- ------- -------- -------- ------ -------- COLFAX COM 194014106 4761 118000 SH Sole 43800 74200 COMERICA COM 200340107 7767 256000 SH Sole 160000 96000 COMSCORE COM 20564W105 34607 2511382 SH Sole 1887660 623722 CONCEPTUS INC. COM 206016107 98225 4677378 SH Sole 3963478 713900 CONOCOPHILLIPS COM 20825C104 14497 250000 SH Sole 250000 CORNING INC COM 219350105 241661 19149040 SH Sole 3980890 15168150 COSTCO WHOLESALE COM 22160K105 232919 2359150 SH Sole 2359150 CREE INC. COM 225447101 309738 9115291 SH Sole 4541102 4574189 CROWN HOLDINGS INC. COM 228368106 2798 76000 SH Sole 10800 65200 CSX CORP. COM 126408103 24807 1257300 SH Sole 434400 822900 CUMMINS INC COM 231021106 7259 67000 SH Sole 67000 CVS CAREMARK CORP COM 126650100 1015 21000 SH Sole 21000 CYMER INC. COM 232572107 65336 722500 SH Sole 422500 300000 DECKERS OUTDOOR COM 243537107 403 10000 SH Sole 10000 DEERE & CO COM 244199105 171699 1986800 SH Sole 1986800 DELL INC COM 24702R101 4056 400000 SH Sole 400000 DELTA AIR LINES DEL COM 247361702 93006 7835400 SH Sole 3372400 4463000 DENDREON CORP. COM 24823Q107 21127 3993800 SH Sole 1195000 2798800 DESCARTES SYS GRP INC COM 249906108 47759 5135390 SH Sole 469690 4665700 DIEBOLD COM 253651103 9183 300000 SH Sole 300000 DIRECTV COM STK COM 25490A309 1077206 21475390 SH Sole 4495254 16980136 DISNEY WALT CO. COM 254687106 467619 9391824 SH Sole 2473900 6917924 DONALDSON INC COM 257651109 43612 1328000 SH Sole 1328000 DOW CHEMICAL CO. COM 260543103 49730 1538200 SH Sole 1153000 385200 DREAM WORKS ANIMATION COM 26153C103 58235 3514500 SH Sole 2771700 742800 DU PONT E.I. DE NEMOURS COM 263534109 3963 88100 SH Sole 88000 100 DYAX CORP. COM 26746E103 30390 8732900 SH Sole 5866100 2866800 EADS INDUSTRIAL - EUR COM 4012250 243840 6266690 SH Sole 454300 5812390

4 PRIMECAP Management Company FORM 13F DECEMBER 31, 2012

VOTING AUTHORITY ------------------------ VALUE SHARES/ SH/ PUT/ INVSTMT OTHER NAME OF ISSUER TITLE OF CLASS CUSIP (X$1000) PRN AMT PRN CALL DSCRETN MANAGERS SOLE SHARED NONE ------------------------------ -------------- ------------- -------- -------- --- ---- ------- -------- -------- ------ -------- EDISON INTERNATIONAL COM 281020107 1618 35800 SH Sole 35800 EDWARDS LIFE COM 28176E108 25248 280000 SH Sole 280000 ELECTRONIC ARTS INC. COM 285512109 344520 23727249 SH Sole 11593649 12133600 EMC CORP/MASS COM 268648102 561446 22191549 SH Sole 7241952 14949597 ENCANA CORP. COM 292505104 150281 7605302 SH Sole 3762602 3842700 ENSCO PLC COM G3157S106 8922 150507 SH Sole 150507 ENTEGRIS INC COM 29362U104 49418 5383229 SH Sole 707295 4675934 EOG RESOURCES INC. COM 26875P101 417762 3458582 SH Sole 842582 2616000 ERICSSON COM 294821608 271587 26889844 SH Sole 6480500 20409344 EXACTARGET COM 30064K105 3260 163000 SH Sole 114900 48100 EXELON CORP COM 30161N101 21121 710200 SH Sole 443100 267100 EXPEDITORS INTL OF WASH COM 302130109 126793 3205897 SH Sole 512100 2693797 EXXON MOBIL CORP. COM 30231G102 52804 610100 SH Sole 65000 545100 F5 NETWORKS INC COM 315616102 7459 76775 SH Sole 76775 FARO TECHNOLOGIES INC. COM 311642102 20548 575900 SH Sole 417100 158800 FEDEX CORP COM 31428X106 1844167 20106485 SH Sole 3753361 16353124 FEI COMPANY COM 30241L109 47050 848200 SH Sole 308700 539500 FIRSTENERGY CORP. COM 337932107 501 12000 SH Sole 12000 FLEXTRONICS INTL LTD COM Y2573F102 276673 44552833 SH Sole 21343133 23209700 FLUIDIGM CORP. COM 34385P108 19017 1328900 SH Sole 1205400 123500 FORMFACTOR INC COM 346375108 33867 7426918 SH Sole 1374718 6052200 FREEPORT-MCMORAN COPPER & GOLD COM 35671D857 12189 356400 SH Sole 338700 17700 GENTEX CORPORATION COM 371901109 3502 185800 SH Sole 35800 150000 GLAXOSMITHKLINE PLC (ADR) COM 37733W105 462341 10635855 SH Sole 3909105 6726750 GOOGLE COM 38259P508 2268877 3207437 SH Sole 840695 2366742 GRANITE CONSTR INC COM 387328107 9750 290000 SH Sole 290000 GREIF CL A COM 397624107 18370 412800 SH Sole 265000 147800 GREIF CL B COM 397624206 5571 114881 SH Sole 78381 36500

5 PRIMECAP Management Company FORM 13F DECEMBER 31, 2012

VOTING AUTHORITY ------------------------ VALUE SHARES/ SH/ PUT/ INVSTMT OTHER NAME OF ISSUER TITLE OF CLASS CUSIP (X$1000) PRN AMT PRN CALL DSCRETN MANAGERS SOLE SHARED NONE ------------------------------ -------------- ------------- -------- -------- --- ---- ------- -------- -------- ------ -------- GUIDANCE SOFTWARE COM 401692108 30080 2534100 SH Sole 1402100 1132000 HASBRO INC. COM 418056107 506 14100 SH Sole 14100 HERTZ GLOBAL HLDS COM 42805T105 3609 221800 SH Sole 71800 150000 HESS CORPORATION COM 42809H107 116671 2203008 SH Sole 668058 1534950 HEWLETT-PACKARD CO. COM 428236103 169982 11928583 SH Sole 2078202 9850381 HONEYWELL INTL. INC. COM 438516106 843731 13293381 SH Sole 3172792 10120589 IDEX CORP COM 45167R104 24521 527000 SH Sole 90000 437000 ILLUMINA INC COM 452327109 115416 2076200 SH Sole 590400 1485800 IMMUNOGEN COM 45253H101 159470 12507427 SH Sole 9482517 3024910 INSULET CORP. COM 45784P101 30574 1440800 SH Sole 1144800 296000 INTEL CORP COM 458140100 400024 19399801 SH Sole 5070024 14329777 INTERMUNE COM 45884X103 30774 3175900 SH Sole 1707200 1468700 INTL BUS MACHINES CORP. COM 459200101 5746 30000 SH Sole 30000 INTL PAPER CO COM 460146103 3984 100000 SH Sole 100000 INTUIT INC COM 461202103 1044170 17554978 SH Sole 3439603 14115375 ISOFTSTONE HOLDINGS COM 46489B108 899 211000 SH Sole 184000 27000 JABIL CIRCUIT COM 466313103 57725 2992506 SH Sole 1836006 1156500 JACOBS ENGR GROUP DEL COM 469814107 46354 1088900 SH Sole 445600 643300 JET BLUE AIRWAYS COM 477143101 114867 20081639 SH Sole 10891849 9189790 JOHNSON & JOHNSON COM 478160104 997087 14223787 SH Sole 5375100 8848687 KAISER ALUMINUM CORP COM 483007704 617 10000 SH Sole 10000 KELLOGG CO. COM 487836108 174609 3126400 SH Sole 1484400 1642000 KIRBY CORP. COM 497266106 84313 1362300 SH Sole 1207700 154600 KLA-TENCOR CORP. COM 482480100 241226 5050800 SH Sole 1165300 3885500 KOHLS CORP. COM 500255104 2471 57500 SH Sole 50000 7500 LAS VEGAS SANDS CORP. COM 517834107 31223 676400 SH Sole 676400 LIFE TECHNOLOGIES CORP COM 53217V109 725328 14793545 SH Sole 4268249 10525296 LILLY ELI & CO COM 532457108 2397824 48617689 SH Sole 11705562 36912127

6 PRIMECAP Management Company FORM 13F DECEMBER 31, 2012

VOTING AUTHORITY ------------------------ VALUE SHARES/ SH/ PUT/ INVSTMT OTHER NAME OF ISSUER TITLE OF CLASS CUSIP (X$1000) PRN AMT PRN CALL DSCRETN MANAGERS SOLE SHARED NONE ------------------------------ -------------- ------------- -------- -------- --- ---- ------- -------- -------- ------ -------- LIMITED BRAND COM 532716107 750670 15951343 SH Sole 7564441 8386902 LOWES COS INC COM 548661107 56004 1576700 SH Sole 299400 1277300 LUMINEX CORP COM 55027E102 42727 2543292 SH Sole 1923132 620160 MACY'S COM 55616P104 31914 817900 SH Sole 100000 717900 MARKETAXESS HLDGS INC. COM 57060D108 24884 704920 SH Sole 612220 92700 MARSH & MCLENNAN COS. COM 571748102 1089679 31612388 SH Sole 10027618 21584770 MASTERCARD INC CL A COM 57636Q104 40052 81525 SH Sole 11000 70525 MATSON, INC. COM 57686G105 26659 1078437 SH Sole 962937 115500 MATTEL INC COM 577081102 330873 9035305 SH Sole 3669905 5365400 MCDERMOTT INTL. COM 580037109 2755 250000 SH Sole 250000 MEDTRONIC INC COM 585055106 1506007 36713969 SH Sole 9291377 27422592 MERCURY GENERAL CORP COM 589400100 11177 281600 SH Sole 281600 MICRON TECHNOLOGY INC COM 595112103 201095 31718427 SH Sole 4927645 26790782 MICROSOFT CORP. COM 594918104 1698444 63588305 SH Sole 17820619 45767686 MOMENTA PHARMACEUTICALS COM 60877T100 13455 1141200 SH Sole 807500 333700 MONSANTO CO. COM 61166W101 1163071 12288129 SH Sole 2864880 9423249 MONSTER WORLDWIDE COM 611742107 2731 486000 SH Sole 420000 66000 MOTOROLA SOLUTIONS INC COM 620076307 175093 3144627 SH Sole 575487 2569140 MSCI INC COM 55354G100 3610 116500 SH Sole 58100 58400 NATIONAL OILWELL VARCO COM 637071101 111660 1633644 SH Sole 680666 952978 NEKTAR THERAPEUTICS COM 640268108 47942 6469856 SH Sole 5301156 1168700 NETAPP INC. COM 64110D104 146555 4368261 SH Sole 1717361 2650900 NEUSTAR COM 64126X201 172693 4118609 SH Sole 2244894 1873715 NEWMONT MINING CO COM 651639106 72326 1557400 SH Sole 1153000 404400 NEXTERA ENERGY INC. COM 65339F101 16906 244340 SH Sole 244340 NOBLE CORP COM H5833N103 7660 220000 SH Sole 220000 NOBLE ENERGY INC. COM 655044105 578890 5689900 SH Sole 686800 5003100 NORDSTROM INC. COM 655664100 11770 220000 SH Sole 220000

7 PRIMECAP Management Company FORM 13F DECEMBER 31, 2012

VOTING AUTHORITY ------------------------ VALUE SHARES/ SH/ PUT/ INVSTMT OTHER NAME OF ISSUER TITLE OF CLASS CUSIP (X$1000) PRN AMT PRN CALL DSCRETN MANAGERS SOLE SHARED NONE ------------------------------ -------------- ------------- -------- -------- --- ---- ------- -------- -------- ------ -------- NORFOLK SOUTHERN COM 655844108 86621 1400731 SH Sole 944701 456030 NOVARTIS AG ADR COM 66987V109 1798223 28407954 SH Sole 7386769 21021185 NUANCE COMMUNICATIONS COM 67020Y100 228271 10227210 SH Sole 8333110 1894100 NUVASIVE INC. COM 670704105 10343 669000 SH Sole 500000 169000 NVIDIA CORP. COM 67066G104 220353 17973300 SH Sole 4330850 13642450 O'REILLY AUTOMOTIVE INC. NEW COM 67103H107 447 5000 SH Sole 5000 OCEANEERING INTL INC COM 675232102 40536 753600 SH Sole 234500 519100 ORACLE CORP. COM 68389X105 1070001 32112868 SH Sole 5931382 26181486 ORASURE TECHNOLOGIES COM 68554V108 15341 2136600 SH Sole 2015600 121000 PACCAR INC. COM 693718108 130761 2892300 SH Sole 1427700 1464600 PACTERA TECHNOLOGY INTL LTD COM 695255109 4475 563623 SH Sole 93806 469817 PALL CORP COM 696429307 76551 1270352 SH Sole 122600 1147752 PEPSICO INC COM 713448108 59473 869100 SH Sole 265000 604100 PEREGRINE SEMICONDUCTOR CORP COM 71366R703 1021 66700 SH Sole 13700 53000 PERKIN ELMER COM 714046109 38345 1208106 SH Sole 675906 532200 PETRO BRASIL ADR Pref A COM 71654V101 137158 7102926 SH Sole 2217926 4885000 PETROLEO BRASILEIRO ADR COM 71654V408 8372 430000 SH Sole 430000 PHARMACYCLICS INC. COM 716933106 167293 2895339 SH Sole 1529839 1365500 PLANTRONICS INC NEW COM 727493108 180399 4892850 SH Sole 4892850 POLYPORE INTERNATIONAL COM 73179V103 33661 723900 SH Sole 584200 139700 POTASH CORP SASK INC COM 73755L107 684164 16814059 SH Sole 3078059 13736000 PRAXAIR INC. COM 74005P104 155219 1418170 SH Sole 512170 906000 PROGRESSIVE CORP. COM 743315103 492 23300 SH Sole 23300 PUBLIC SVC ENTERPRISE GRP COM 744573106 72416 2366530 SH Sole 974337 1392193 QIAGEN N.V. COM N72482107 155950 8592261 SH Sole 1166614 7425647 QUALCOMM INCORP. COM 747525103 1111695 17971145 SH Sole 5541570 12429575 QUIKSILVER COM 74838C106 12070 2840000 SH Sole 2815000 25000 RAMBUS INC DEL COM COM 750917106 44668 9172122 SH Sole 2484263 6687859

8 PRIMECAP Management Company FORM 13F DECEMBER 31, 2012

VOTING AUTHORITY ------------------------ VALUE SHARES/ SH/ PUT/ INVSTMT OTHER NAME OF ISSUER TITLE OF CLASS CUSIP (X$1000) PRN AMT PRN CALL DSCRETN MANAGERS SOLE SHARED NONE ------------------------------ -------------- ------------- -------- -------- --- ---- ------- -------- -------- ------ -------- RANGE RESOURCES COM 75281A109 46877 746100 SH Sole 614200 131900 REPUBLIC SVCS INC COM 760759100 7272 247935 SH Sole 247935 RESEARCH IN MOTION COM 760975102 311669 26256839 SH Sole 6113689 20143150 REX ENERGY CORP COM 761565100 14822 1138400 SH Sole 958400 180000 RITCHIE BROS AUCTION COM 767744105 174881 8371508 SH Sole 3855758 4515750 ROCHE HOLDING AG-CHF COM 7110388 2145311 10676417 SH Sole 1738800 8937617 ROCKWELL AUTOMATION COM 773903109 212977 2535737 SH Sole 699937 1835800 ROSS STORES INC COM 778296103 89635 1657150 SH Sole 1049900 607250 ROYAL CARIBBEAN COM V7780T103 78751 2316200 SH Sole 1019200 1297000 RPX CORPORATION COM 74972G103 1284 142000 SH Sole 56000 86000 SAFRAN COM B058TZ6 6106 142000 SH Sole 142000 SANDISK CORP COM 80004C101 307711 7073816 SH Sole 3296338 3777478 SANOFI COM 80105N105 102625 2165992 SH Sole 271980 1894012 SCHLUMBERGER LTD COM 806857108 477800 6894654 SH Sole 2328968 4565686 SCHWAB CHARLES CORP COM 808513105 1011889 70465812 SH Sole 26717512 43748300 SCHWEITZER-MAUDUIT COM 808541106 33894 868400 SH Sole 779400 89000 SEATTLE GENETICS COM 812578102 243822 10523157 SH Sole 8007300 2515857 SHUTTERFLY COM 82568P304 41101 1376005 SH Sole 1297300 78705 SMART BALANCE COM 83169Y108 61527 4769505 SH Sole 3313405 1456100 SMART TECHNOLOGIES INC A COM 83172R108 7727 4890446 SH Sole 416942 4473504 SONY CORP ADR NEW COM 835699307 154652 13808189 SH Sole 2193459 11614730 SOUTHWEST AIRLS CO COM 844741108 852405 83242675 SH Sole 25105371 58137304 SOUTHWESTERN ENERGY CO COM 845467109 71738 2147200 SH Sole 923900 1223300 SPIRIT AIRLINES COM 848577102 1011 57000 SH Sole 47000 10000 SPX CORP. COM 784635104 2455 35000 SH Sole 35000 STRATASYS LTD COM M85548101 111729 1394000 SH Sole 1190000 204000 STRATTEC SEC CORP COM 863111100 504 19528 SH Sole 6748 12780 STRYKER CORP. COM 863667101 16693 304500 SH Sole 304500

9 PRIMECAP Management Company FORM 13F DECEMBER 31, 2012

VOTING AUTHORITY ------------------------ VALUE SHARES/ SH/ PUT/ INVSTMT OTHER NAME OF ISSUER TITLE OF CLASS CUSIP (X$1000) PRN AMT PRN CALL DSCRETN MANAGERS SOLE SHARED NONE ------------------------------ -------------- ------------- -------- -------- --- ---- ------- -------- -------- ------ -------- SYMANTEC COM 871503108 595980 31667369 SH Sole 8280374 23386995 TARGET CORPORATION COM 87612E106 5917 100000 SH Sole 100000 TESLA MOTORS COM 88160R101 69132 2041090 SH Sole 733990 1307100 TEXAS INSTRS. INC. COM 882508104 1784322 57763753 SH Sole 14737028 43026725 THOMSON REUTERS CORP COM 884903105 5812 200000 SH Sole 200000 TIME WARNER CABLE COM 88732J207 30955 318500 SH Sole 5000 313500 TJX COS INC NEW COM 872540109 550449 12966996 SH Sole 1735980 11231016 TRANSOCEAN LTD COM H8817H100 158150 3541200 SH Sole 1660400 1880800 TRIMBLE NAVIGATION COM 896239100 405492 6783073 SH Sole 3745973 3037100 UNION PACIFIC CORP. COM 907818108 400255 3183698 SH Sole 635048 2548650 UNITED CONTL HLDGS INC COM 910047109 139071 5948295 SH Sole 3529875 2418420 UNITED PARCEL SVC INC. COM 911312106 538261 7300438 SH Sole 2498078 4802360 US AIRWAYS GROUP INC COM 90341W108 5818 431000 SH Sole 284000 147000 USA TRUCK INC COM 902925106 58 16800 SH Sole 16800 V F CORP COM 918204108 23222 153820 SH Sole 153820 VERISIGN INC. COM 92343E102 3688 95000 SH Sole 92400 2600 VISA COM 92826C839 763916 5039687 SH Sole 2484982 2554705 VITRAN CORP COM 92850E107 2525 519607 SH Sole 325000 194607 VMWARE COM 928563402 828 8800 SH Sole 1000 7800 WAL-MART STORES INC. COM 931142103 27292 400000 SH Sole 400000 WATERS CORP COM 941848103 73725 846244 SH Sole 346900 499344 WEBSENSE INC COM 947684106 41141 2735441 SH Sole 2318541 416900 WELLS FARGO & CO. COM 949746101 16161 472811 SH Sole 22811 450000 WEYERHAEUSER CO. COM 962166104 8346 300000 SH Sole 300000 WHIRLPOOL CP COM 963320106 331420 3257200 SH Sole 724000 2533200 WILLIS GROUP HOLDINGS COM G96666105 155976 4651841 SH Sole 3707041 944800 XENOPORT COM 98411C100 987 127000 SH Sole 74000 53000 XILINX INC COM 983919101 33600 936969 SH Sole 593600 343369

10 PRIMECAP Management Company FORM 13F DECEMBER 31, 2012

VOTING AUTHORITY ------------------------ VALUE SHARES/ SH/ PUT/ INVSTMT OTHER NAME OF ISSUER TITLE OF CLASS CUSIP (X$1000) PRN AMT PRN CALL DSCRETN MANAGERS SOLE SHARED NONE ------------------------------ -------------- ------------- -------- -------- --- ---- ------- -------- -------- ------ -------- YAHOO!INC. COM 984332106 11638 584800 SH Sole 584800 ZIMMER HOLDINGS INC. COM 98956P102 34517 517800 SH Sole 237500 280300 ZIPCAR COM 98974X103 10538 1278878 SH Sole 843038 435840 REPORT SUMMARY 255 DATA RECORDS 61820537 0 OTHER MANAGERS ON WHOSE BEHALF REPORT IS FILED