PRIMECAP Management Company

PRIMECAP Management Company as of Sept. 30, 2007

Portfolio Holdings for PRIMECAP Management Company

PRIMECAP Management Company holds 255 positions in its portfolio as reported in the September 2007 quarterly 13F filing

Company (Ticker) Portfolio Weight Valued At Change in Shares Share Count Share Price
Potash Corp. Of Saskatchewan I 3.6 $2.3B 22M 105.70
FedEx Corporation (FDX) 3.5 $2.2B 21M 104.75
Eli Lilly & Co. (LLY) 3.3 $2.1B 37M 56.93
Novartis (NVS) 2.9 $1.8B 33M 54.96
Medtronic 2.7 $1.7B 31M 56.41
Texas Instruments Incorporated (TXN) 2.6 $1.7B 46M 36.59
Biogen Idec (BIIB) 2.5 $1.6B 24M 66.33
Monsanto Company 2.4 $1.5B 18M 85.74
ConocoPhillips (COP) 2.3 $1.4B 17M 87.77
Adobe Systems Incorporated (ADBE) 2.3 $1.4B 33M 43.66
Amgen (AMGN) 2.1 $1.3B 23M 56.57
Oracle Corporation (ORCL) 2.0 $1.3B 59M 21.65
Directv Group 1.9 $1.2B 50M 24.28
Microsoft Corporation (MSFT) 1.9 $1.2B 40M 29.46
Corning Incorporated (GLW) 1.6 $1.0B 42M 24.65
Sony Corporation (SONY) 1.5 $954M 20M 48.06
Schlumberger (SLB) 1.5 $954M 9.1M 105.00
Research In Motion 1.4 $872M 8.8M 98.55
Asml Holding Nv Adr depository receipts 1.4 $869M 26M 32.86
Boston Scientific Corporation (BSX) 1.3 $816M 59M 13.95
Intuit (INTU) 1.3 $807M 27M 30.30
Southwest Airlines (LUV) 1.3 $802M 54M 14.80
NVIDIA Corporation (NVDA) 1.2 $765M 21M 36.24
Roche Holding Ag-chf 1.2 $754M 4.2M 181.34
Caterpillar (CAT) 1.2 $749M 9.6M 78.43
Intel Corporation (INTC) 1.2 $742M 29M 25.86
Applera Corp Com Shs Applied 1.1 $727M 21M 34.64
Symantec Corporation 1.1 $683M 35M 19.38
Whirlpool Corporation (WHR) 1.1 $675M 7.6M 89.10
Bank of New York Mellon Corporation (BK) 1.1 $668M 15M 44.14
EMC Corporation 1.0 $659M 32M 20.80
Qualcomm (QCOM) 1.0 $655M 16M 42.26
TJX Companies (TJX) 1.0 $614M 21M 29.07
Micron Technology (MU) 1.0 $617M 56M 11.10
GlaxoSmithKline 1.0 $606M 11M 53.20
Hewlett-Packard Company 0.9 $602M 12M 49.79
Google 0.9 $597M 1.1M 567.27
Citrix Systems 0.9 $582M 14M 40.32
Berkshire Hathaway Inc. Class B 0.9 $561M 142k 3952.00
Noble Energy 0.9 $559M 8.0M 70.04
Costco Wholesale Corporation (COST) 0.8 $537M 8.8M 61.37
Sprint Nextel Corporation 0.8 $524M 28M 19.00
Hess (HES) 0.8 $516M 7.8M 66.53
eBay (EBAY) 0.8 $487M 13M 39.02
Praxair 0.8 $491M 5.9M 83.76
United Parcel Service (UPS) 0.7 $459M 6.1M 75.10
Motorola 0.7 $447M 24M 18.53
Bed Bath & Beyond 0.7 $431M 13M 34.12
American Intl Group 0.7 $416M 6.2M 67.65
National-Oilwell Var 0.7 $420M 2.9M 144.50
Marsh & McLennan Companies (MMC) 0.7 $417M 16M 25.50
AMR Corporation 0.6 $400M 18M 22.29
Murphy Oil Corporation (MUR) 0.6 $396M 5.7M 69.89
Genzyme Corporation 0.6 $389M 6.3M 61.96
Millipore Corp. 0.6 $380M 5.0M 75.80
Target Corporation (TGT) 0.6 $366M 5.8M 63.57
Kohl's Corporation (KSS) 0.6 $355M 6.2M 57.33
Telefonaktiebolaget LM Ericsson (ERIC) 0.5 $328M 8.2M 39.80
Eastman Kodak Company 0.5 $322M 12M 26.76
Pogo Producing 0.5 $315M 5.9M 53.11
Trimble Navigation (TRMB) 0.5 $300M 7.6M 39.21
Walt Disney Company (DIS) 0.5 $293M 8.5M 34.39
Alcoa 0.5 $287M 7.3M 39.12
Encana Corp 0.5 $286M 4.6M 61.85
Nordstrom (JWN) 0.4 $275M 5.9M 46.89
Weyerhaeuser Company (WY) 0.4 $268M 3.7M 72.30
Union Pacific Corporation (UNP) 0.4 $253M 2.2M 113.06
Applied Materials (AMAT) 0.4 $252M 12M 20.70
Deere & Company (DE) 0.4 $248M 1.7M 148.42
Nortel Networks Corporation 0.4 $250M 15M 16.98
Chubb Corporation 0.4 $229M 4.3M 53.64
Arch Coal 0.4 $231M 6.9M 33.74
CarMax (KMX) 0.3 $224M 11M 20.33
Verisign (VRSN) 0.3 $223M 6.6M 33.74
Tektronix 0.3 $219M 7.9M 27.74
Yahoo! 0.3 $224M 8.3M 26.84
Rambus (RMBS) 0.3 $208M 11M 19.11
Peabody Energy Corporation 0.3 $203M 4.2M 47.87
Mattel (MAT) 0.3 $197M 8.4M 23.46
EOG Resources (EOG) 0.3 $198M 2.7M 72.33
Thomas & Betts Corporation 0.3 $194M 3.3M 58.64
Sepracor 0.3 $188M 6.8M 27.50
Altera Corporation 0.3 $187M 7.8M 24.08
Accenture 0.3 $186M 4.6M 40.25
Amazon (AMZN) 0.3 $186M 2.0M 93.15
FormFactor (FORM) 0.3 $175M 3.9M 44.37
Quiksilver 0.3 $174M 12M 14.30
Intersil Corporation 0.3 $171M 5.1M 33.43
KLA-Tencor Corporation (KLAC) 0.3 $174M 3.1M 55.78
Plantronics 0.3 $168M 5.9M 28.55
Men's Wearhouse 0.3 $166M 3.3M 50.52
BioMarin Pharmaceutical (BMRN) 0.2 $162M 6.5M 24.90
Best Buy (BBY) 0.2 $155M 3.4M 46.02
Neustar 0.2 $158M 4.6M 34.29
Kirby Corporation (KEX) 0.2 $150M 3.4M 44.14
Avon Products 0.2 $146M 3.9M 37.53
Boeing Company (BA) 0.2 $145M 1.4M 104.99
Affymetrix 0.2 $148M 5.8M 25.37
Domtar Corp C ommon 0.2 $144M 18M 8.20
Vulcan Materials Company (VMC) 0.2 $139M 1.6M 89.15
Fluor Corporation (FLR) 0.2 $132M 916k 143.98
Federal National Mortgage Association (FNMA) 0.2 $131M 2.1M 60.81
Lowe's Companies (LOW) 0.2 $131M 4.7M 28.02
Navteq Corp 0.2 $133M 1.7M 77.97
3M Company (MMM) 0.2 $128M 1.4M 93.58
Comverse Technology 0.2 $129M 6.5M 19.80
Comcast Corporation (CMCSA) 0.2 $122M 5.0M 24.18
Via 0.2 $119M 3.0M 38.97
Washington Mutual 0.2 $122M 3.5M 35.31
Emulex Corporation 0.2 $120M 6.2M 19.17
Pall Corporation 0.2 $117M 3.0M 38.90
General Electric Company 0.2 $108M 2.6M 41.40
Freeport-McMoRan Copper & Gold (FCX) 0.2 $108M 1.0M 104.89
Transocean 0.2 $100M 881k 113.05
Avocent Corp Com Stk 0.2 $103M 3.5M 29.12
Newmont Mining Corporation (NEM) 0.1 $96M 2.2M 44.73
Dress Barn 0.1 $95M 5.6M 17.01
Discover Financial Services (DFS) 0.1 $91M 4.4M 20.80
Canadian Natl Ry (CNI) 0.1 $86M 1.5M 57.00
Globalsantafe Corp 0.1 $89M 1.2M 76.02
Company 0.1 $87M 1.5M 59.70
Minerals Technologies (MTX) 0.1 $88M 1.3M 67.00
MACROVISION CORP COM Stk 0.1 $87M 3.5M 24.63
Wyeth 0.1 $83M 1.9M 44.55
Dow Chemical Company 0.1 $82M 1.9M 43.06
Granite Construction (GVA) 0.1 $81M 1.5M 53.02
Avid Technology 0.1 $82M 3.0M 27.08
Autodesk (ADSK) 0.1 $76M 1.5M 49.97
Avery Dennison Corporation (AVY) 0.1 $75M 1.3M 57.02
Alexander & Baldwin 0.1 $76M 1.5M 50.13
Donaldson Company (DCI) 0.1 $68M 1.6M 41.76
Brocade Communications Systems 0.1 $72M 8.3M 8.56
JetBlue Airways Corporation (JBLU) 0.1 $64M 6.9M 9.22
Waters Corporation (WAT) 0.1 $66M 981k 66.92
Capital One Financial (COF) 0.1 $61M 911k 66.43
Canadian Pacific Railway 0.1 $63M 895k 70.29
99 Cents Only Stores 0.1 $61M 5.9M 10.27
Alaska Air (ALK) 0.1 $62M 2.7M 23.09
Chico's FAS 0.1 $66M 4.7M 14.05
Norfolk Southern (NSC) 0.1 $56M 1.1M 51.91
AFLAC Incorporated (AFL) 0.1 $59M 1.0M 57.04
McDermott International 0.1 $55M 1.0M 54.08
Entegris (ENTG) 0.1 $50M 5.7M 8.68
THQ 0.1 $49M 2.0M 24.98
Pride International 0.1 $50M 1.4M 36.55
JPMorgan Chase & Co. (JPM) 0.1 $47M 1.0M 45.82
Wells Fargo & Company (WFC) 0.1 $44M 1.2M 35.62
Yum! Brands (YUM) 0.1 $44M 1.3M 33.83
Mbia (MBI) 0.1 $44M 717k 61.05
Abercrombie & Fitch (ANF) 0.1 $47M 578k 80.70
Exterran Holdings 0.1 $40M 493k 80.34
Citi 0.1 $36M 771k 46.67
Dell 0.1 $39M 1.4M 27.60
Ual Corp 0.1 $36M 779k 46.53
Cymer 0.1 $39M 1.0M 38.39
Progressive Corporation (PGR) 0.1 $33M 1.7M 19.41
Cott Corp 0.1 $33M 4.1M 7.97
Greatbatch 0.1 $32M 1.2M 26.59
NOBLE CORPORATION Com Stk 0.1 $32M 649k 49.05
Agilent Technologies Inc C ommon (A) 0.0 $23M 622k 36.88
Federal Home Loan Mortgage (FMCC) 0.0 $23M 388k 59.01
Fifth Third Ban (FITB) 0.0 $24M 702k 33.88
O'Reilly Automotive 0.0 $24M 718k 33.41
IndyMac Ban 0.0 $23M 955k 23.61
Conceptus 0.0 $28M 1.5M 18.98
Ciena Corporation (CIEN) 0.0 $26M 689k 38.08
Gentex Corporation (GNTX) 0.0 $26M 1.2M 21.44
Descartes Sys Grp (DSGX) 0.0 $26M 5.4M 4.73
Akamai Technologies (AKAM) 0.0 $17M 605k 28.73
Coherent 0.0 $16M 509k 32.08
Amer Italian Pas 0.0 $17M 2.1M 8.23
Strattec Security (STRT) 0.0 $18M 379k 46.93
State Street Corporation (STT) 0.0 $15M 215k 68.16
Expedia 0.0 $13M 408k 31.88
Edwards Lifesciences (EW) 0.0 $15M 300k 49.31
Nuance Communications 0.0 $13M 661k 19.31
Paychex (PAYX) 0.0 $14M 334k 41.00
McAfee 0.0 $11M 319k 34.87
DreamWorks Animation SKG 0.0 $10M 304k 33.42
Oceaneering International (OII) 0.0 $9.6M 126k 75.80
Stratasys 0.0 $13M 458k 27.56
Chicago Bridge & Iron Company 0.0 $12M 268k 43.06
Dendreon Corporation 0.0 $14M 1.9M 7.69
Possis Med Inc Com Stk 0.0 $9.8M 722k 13.55
Idearc 0.0 $4.7M 150k 31.47
SLM Corporation (SLM) 0.0 $8.4M 170k 49.67
Pfizer (PFE) 0.0 $8.0M 327k 24.43
Iac Interactivecorp 0.0 $3.2M 108k 29.67
Chevron Corporation (CVX) 0.0 $6.4M 69k 93.58
Xilinx 0.0 $8.3M 319k 26.14
Burlington Northern Santa Fe C 0.0 $8.3M 102k 81.17
News Corporation 0.0 $4.0M 180k 21.99
Sanofi-Aventis SA (SNY) 0.0 $9.0M 213k 42.42
East West Ban (EWBC) 0.0 $8.7M 243k 35.96
TCF Financial Corporation 0.0 $9.3M 355k 26.18
Monster Worldwide 0.0 $5.2M 153k 34.06
US Airways 0.0 $5.5M 211k 26.25
Abiomed 0.0 $5.2M 418k 12.43
FARO Technologies (FARO) 0.0 $4.0M 92k 44.15
MarketAxess Holdings (MKTX) 0.0 $8.6M 574k 15.00
Kinetic Concepts 0.0 $6.2M 110k 56.28
Medarex Inc Com Stk 0.0 $7.4M 524k 14.16
SurModics (SRDX) 0.0 $8.5M 173k 49.01
Cardica 0.0 $5.8M 610k 9.54
MICRUS ENDOVASCULAR Corp Com Stk 0.0 $4.6M 253k 18.27
Hanmi Financial 0.0 $4.4M 287k 15.49
FEI Company 0.0 $9.0M 286k 31.43
Pharmacyclics 0.0 $5.0M 2.2M 2.30
Senomyx 0.0 $4.1M 337k 12.25
Citadel Broadcasting Corp 0.0 $2.3M 561k 4.16
Intermec 0.0 $1.8M 70k 26.12
International Paper Company (IP) 0.0 $395k 11k 35.91
Tellabs 0.0 $137k 14k 9.52
A.C. Moore Arts & Crafts 0.0 $1.9M 123k 15.76
Verigy 0.0 $1.6M 67k 24.70
Scripps 0.0 $1.3M 30k 42.00
Pioneer Natural Resources (PXD) 0.0 $310k 6.9k 44.93
Blue Nile 0.0 $565k 6.0k 94.17
Alpha Natural Resources 0.0 $232k 10k 23.20
Continental Airls Inc cl b 0.0 $2.0M 61k 33.03
Bladelogic 0.0 $403k 16k 25.67
Sierra Pac Res 0.0 $993k 63k 15.74
Dolby Laboratories (DLB) 0.0 $980k 28k 34.81
Nymex Holdings 0.0 $301k 2.3k 130.30
InterNAP Network Services 0.0 $735k 52k 14.16
Advance America, Cash Advance Centers 0.0 $1.6M 151k 10.67
Isilon Systems (ISLN) 0.0 $172k 22k 7.71
The9 0.0 $1.2M 36k 34.50
Allegiant Travel Company (ALGT) 0.0 $2.3M 75k 30.31
Cree 0.0 $1.8M 58k 31.10
Mf Global Com Stk 0.0 $2.1M 73k 28.99
Satyam Computer Services (SAYCY) 0.0 $355k 14k 25.91
Silicon Laboratories (SLAB) 0.0 $601k 14k 41.74
Temple-Inland 0.0 $2.4M 45k 52.62
Bronco Drilling Company (BRNC) 0.0 $386k 26k 14.80
Embarq Corp 0.0 $1.2M 22k 55.59
KBW 0.0 $331k 12k 28.78
Radvision Ltd Com Stk 0.0 $1.6M 91k 17.56
Sycamore Networks Inc Com Stk 0.0 $2.1M 524k 4.07
VMware 0.0 $2.2M 26k 84.98
Alcon 0.0 $3.2M 22k 143.91
Dyax 0.0 $3.2M 877k 3.60
Imax Corp Cad (IMAX) 0.0 $311k 74k 4.20
Semiconductor Manufacturing Int'l 0.0 $193k 32k 5.99
Espeed Inc Cl A Com Stk 0.0 $1.2M 141k 8.53
Basin Water (BWTRQ) 0.0 $153k 13k 11.81
Amis Holdings 0.0 $214k 22k 9.73
Sonicwall 0.0 $2.6M 296k 8.73
Vitran Corp 0.0 $1.1M 65k 16.50
Guidance Software 0.0 $2.2M 176k 12.67
Data Domain 0.0 $848k 27k 30.95
Netezza 0.0 $163k 13k 12.54
Wj Communications 0.0 $156k 120k 1.30
Redpoint Bio Corporation (RPBC) 0.0 $7.0k 10k 0.70
Applied Micro Circuits 0.0 $253k 80k 3.16