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Primecap Management Co

13F filer · CIK 0000763212
Reported Aug 14, 2026
Net seller this quarter
13F portfolio value$169.1BU.S. long equity reported on 13F
Positions3248 new · 5 closed
Net flow last quarter-$4.12BBuys minus sells
Top 10 positions weight42.6%Concentration

Holdings

13F · last 4 quarters free
Scroll for earlier quarters
CompanyValue% of portfolio% of companyPOSITION CHANGE qoq %First reported
Q2 2026Reported Aug 14, 2026324 positions
MUMicron Technology Inc$22.2B13.12%1.70%-12.2%Q2 2013
LLYELI LILLY & Co$11B6.51%0.97%-0.6%Q2 2013
INTCIntel Corp$10.5B6.21%1.49%-0.7%Q2 2013
KLACKla Corp$6.2B3.66%1.57%-15.8%Q2 2013
GOOGLAlphabet Inc.$5.31B3.14%0.12%-0.9%Q3 2015
FLEXFlex Ltd.$3.79B2.24%6.32%-8.0%Q2 2013
AZNAstrazeneca PLC$3.43B2.03%Not reported-0.7%Q3 2015
NVDANvidia Corp$3.42B2.02%0.07%-0.6%Q2 2013
BIIBBiogen Inc.$3.27B1.94%10.26%+2.7%Q2 2013
AMZNAmazon Com Inc$2.85B1.69%0.11%-1.2%Q2 2013
MSFTMicrosoft Corp$2.66B1.58%0.10%-1.7%Q2 2013
TSLATesla, Inc.$2.57B1.52%0.15%-0.4%Q2 2013
FDXFedex Corp$2.55B1.51%3.42%-1.8%Q2 2013
TXNTexas Instruments Inc$2.54B1.50%0.94%-11.8%Q2 2013
LUVSouthwest Airlines Co$2.51B1.48%9.98%+3.7%Q2 2013
AMGNAmgen Inc$2.45B1.45%1.25%-23.9%Q2 2013
SCHWSchwab Charles Corp$2.32B1.37%1.44%+7.2%Q2 2013
UALUnited Airlines Holdings, Inc.$2.24B1.32%5.07%+4.5%Q2 2013
BSXBoston Scientific Corp$2.16B1.28%3.40%+55.3%Q2 2013
ROSTRoss Stores, Inc.$1.94B1.15%2.84%-0.7%Q2 2013
GOOGAlphabet Inc.$1.91B1.13%Not reported-5.6%Q3 2015
BABAAlibaba Group Holding Ltd$1.79B1.06%1.00%-0.6%Q3 2014
DALDelta Air Lines, Inc.$1.64B0.97%2.66%-0.2%Q2 2013
VVisa Inc.$1.46B0.87%0.23%+5.1%Q2 2013
BMYBristol Myers Squibb Co$1.44B0.85%1.22%-0.3%Q1 2017
TJXTJX Companies Inc$1.44B0.85%0.86%-1.2%Q2 2013
ONCBeOne Medicines Ltd.$1.43B0.84%0.34%+0.7%Q2 2017
RJFRaymond James Financial Inc$1.41B0.83%4.81%-1.1%Q4 2018
NTAPNetApp, Inc.$1.4B0.83%4.60%-0.5%Q2 2013
GSKGSK plc$1.32B0.78%0.58%-0.1%Q2 2013
AALAmerican Airlines Group Inc.$1.28B0.76%10.69%+44.4%Q4 2013
BIDUBaidu, Inc.$1.26B0.74%Not reported-0.4%Q4 2019
ADIAnalog Devices Inc$1.24B0.73%0.64%-0.3%Q2 2013
JBLJabil Inc$1.22B0.72%3.02%-3.5%Q2 2013
COPConocophillips$1.2B0.71%0.96%+0.1%Q1 2024
SONYSony Group Corp$1.2B0.71%0.95%+1.8%Q2 2013
ELANElanco Animal Health Inc$1.12B0.66%9.10%-0.9%Q3 2018
JPMJPMorgan Chase & Co$1.11B0.65%0.13%-0.6%Q1 2015
ADBEAdobe Inc.$1.07B0.63%1.32%+10.5%Q2 2013
NTRSNorthern Trust Corp$1.06B0.63%3.33%-6.9%Q1 2016
GLWCorning Inc$1.06B0.62%0.48%-0.1%Q2 2013
NVSNovartis AG$1.03B0.61%0.35%-12.9%Q2 2013
TMOThermo Fisher Scientific Inc.$994M0.59%0.54%0.0%Q4 2013
CATCaterpillar Inc$928M0.55%0.19%-0.1%Q2 2013
MRVLMarvell Technology, Inc.$822M0.49%0.32%-7.3%Q1 2023
BMRNBiomarin Pharmaceutical Inc$812M0.48%7.33%0.0%Q2 2013
NXTNextpower Inc.$797M0.47%4.90%-1.1%Q1 2023
ORCLOracle Corp$789M0.47%0.19%-5.1%Q2 2013
HPEHewlett Packard Enterprise Co$773M0.46%1.29%-0.5%Q4 2015
AMATApplied Materials Inc$754M0.45%0.13%-11.2%Q2 2013
Q1 2026Reported May 11, 2026319 positions
LLYELI LILLY & Co$8.48B6.68%0.98%-0.5%Q2 2013
MUMicron Technology Inc$7.39B5.82%1.94%-11.8%Q2 2013
GOOGLAlphabet Inc.$4.31B3.39%0.12%-0.9%Q3 2015
AZNAstrazeneca PLC$3.59B2.83%Not reported-1.3%Q3 2015
KLACKla Corp$3.59B2.83%1.86%-15.2%Q2 2013
INTCIntel Corp$3.34B2.63%1.51%-0.5%Q2 2013
AMGNAmgen Inc$3.12B2.46%1.64%-0.4%Q2 2013
NVDANvidia Corp$3B2.36%0.07%-0.2%Q2 2013
FDXFedex Corp$2.96B2.33%3.48%-2.5%Q2 2013
BIIBBiogen Inc.$2.71B2.13%10.06%0.0%Q2 2013
MSFTMicrosoft Corp$2.69B2.12%0.10%-0.3%Q2 2013
AMZNAmazon Com Inc$2.52B1.99%0.11%-1.2%Q2 2013
BABAAlibaba Group Holding Ltd$2.35B1.85%1.01%-1.3%Q3 2014
TSLATesla, Inc.$2.28B1.79%0.16%-3.0%Q2 2013
SCHWSchwab Charles Corp$2.2B1.73%1.34%+0.7%Q2 2013
BSXBoston Scientific Corp$2.04B1.61%2.19%+4.6%Q2 2013
ROSTRoss Stores, Inc.$1.99B1.56%2.84%-0.4%Q2 2013
TXNTexas Instruments Inc$1.87B1.48%1.06%-4.3%Q2 2013
LUVSouthwest Airlines Co$1.77B1.39%9.58%-0.7%Q2 2013
FLEXFlex Ltd.$1.66B1.31%6.94%-4.9%Q2 2013
GOOGAlphabet Inc.$1.64B1.29%Not reported-0.7%Q3 2015
TJXTJX Companies Inc$1.53B1.21%0.87%-1.5%Q2 2013
COPConocophillips$1.53B1.20%0.95%0.0%Q1 2024
BMYBristol Myers Squibb Co$1.52B1.19%1.23%+0.4%Q1 2017
ONCBeOne Medicines Ltd.$1.48B1.16%0.34%-0.1%Q2 2017
UALUnited Airlines Holdings, Inc.$1.45B1.14%4.85%-1.4%Q2 2013
GSKGSK plc$1.39B1.10%0.58%+0.3%Q2 2013
RJFRaymond James Financial Inc$1.35B1.07%4.80%+0.1%Q4 2018
BIDUBaidu, Inc.$1.23B0.97%Not reported-0.4%Q4 2019
VVisa Inc.$1.23B0.97%0.22%+1.3%Q2 2013
SONYSony Group Corp$1.21B0.95%0.94%+0.4%Q2 2013
DALDelta Air Lines, Inc.$1.17B0.92%2.67%-0.3%Q2 2013
NVSNovartis AG$1.16B0.91%0.40%-0.2%Q2 2013
ADBEAdobe Inc.$1.15B0.91%1.17%+28.7%Q2 2013
ELANElanco Animal Health Inc$1.1B0.86%9.18%-0.8%Q3 2018
JPMJPMorgan Chase & Co$1B0.79%0.13%-5.6%Q1 2015
ADIAnalog Devices Inc$998M0.79%0.64%-0.2%Q2 2013
TMOThermo Fisher Scientific Inc.$974M0.77%0.53%-3.6%Q4 2013
NTAPNetApp, Inc.$927M0.73%4.59%-0.1%Q2 2013
NTRSNorthern Trust Corp$914M0.72%3.54%-0.9%Q1 2016
JBLJabil Inc$872M0.69%3.10%-1.9%Q2 2013
ORCLOracle Corp$835M0.66%0.20%-5.9%Q2 2013
NXTNextpower Inc.$815M0.64%4.95%-2.7%Q1 2023
BMRNBiomarin Pharmaceutical Inc$802M0.63%7.34%-2.4%Q2 2013
ACMAecom$733M0.58%6.74%-0.2%Q2 2013
RCLRoyal Caribbean Cruises Ltd$646M0.51%0.87%-2.6%Q2 2013
IEXIdex Corp$626M0.49%4.44%+2.4%Q2 2013
CATCaterpillar Inc$618M0.49%0.19%-0.9%Q2 2013
WFCWells Fargo & Company$615M0.48%0.25%-7.6%Q2 2013
DISWalt Disney Co$601M0.47%0.35%0.0%Q2 2013
Q4 2025Reported Feb 11, 2026317 positions
LLYELI LILLY & Co$9.96B7.54%0.98%-14.2%Q2 2013
MUMicron Technology Inc$7.08B5.36%2.20%-16.4%Q2 2013
GOOGLAlphabet Inc.$4.74B3.58%0.13%-4.1%Q3 2015
MSFTMicrosoft Corp$3.52B2.67%0.10%-13.1%Q2 2013
KLACKla Corp$3.49B2.65%2.19%-18.7%Q2 2013
AZNAstrazeneca PLC$3.39B2.57%Not reported-7.4%Q3 2015
NVDANvidia Corp$3.21B2.43%0.07%-8.2%Q2 2013
BSXBoston Scientific Corp$2.97B2.24%2.10%-6.1%Q2 2013
AMGNAmgen Inc$2.91B2.21%1.65%-8.3%Q2 2013
TSLATesla, Inc.$2.84B2.15%0.17%-4.6%Q2 2013
AMZNAmazon Com Inc$2.83B2.14%0.11%+14.4%Q2 2013
INTCIntel Corp$2.81B2.13%1.52%-4.1%Q2 2013
BABAAlibaba Group Holding Ltd$2.78B2.11%0.10%-5.1%Q3 2014
BIIBBiogen Inc.$2.6B1.97%10.05%-1.3%Q2 2013
FDXFedex Corp$2.46B1.86%3.62%-9.8%Q2 2013
SCHWSchwab Charles Corp$2.33B1.76%1.31%+9.8%Q2 2013
LUVSouthwest Airlines Co$1.96B1.48%9.16%-1.3%Q2 2013
GOOGAlphabet Inc.$1.81B1.37%Not reported-6.0%Q3 2015
UALUnited Airlines Holdings, Inc.$1.79B1.35%4.94%-11.3%Q2 2013
TXNTexas Instruments Inc$1.75B1.32%1.11%-10.2%Q2 2013
ROSTRoss Stores, Inc.$1.66B1.26%2.85%-7.5%Q2 2013
FLEXFlex Ltd.$1.61B1.22%7.26%-9.8%Q2 2013
ONCBeOne Medicines Ltd.$1.51B1.15%0.35%-2.0%Q2 2017
RJFRaymond James Financial Inc$1.5B1.14%4.74%-3.2%Q4 2018
TJXTJX Companies Inc$1.5B1.13%0.88%-7.5%Q2 2013
SONYSony Group Corp$1.49B1.13%0.93%-9.5%Q2 2013
BIDUBaidu, Inc.$1.45B1.10%Not reported-8.3%Q4 2019
VVisa Inc.$1.41B1.06%0.21%-1.4%Q2 2013
BMYBristol Myers Squibb Co$1.34B1.02%1.22%+12.6%Q1 2017
ADBEAdobe Inc.$1.29B0.97%0.89%-4.7%Q2 2013
GSKGSK plc$1.23B0.93%0.58%-2.5%Q2 2013
DALDelta Air Lines, Inc.$1.22B0.92%2.69%-3.8%Q2 2013
TMOThermo Fisher Scientific Inc.$1.19B0.90%0.55%-10.7%Q4 2013
ORCLOracle Corp$1.18B0.89%0.21%-20.0%Q2 2013
JPMJPMorgan Chase & Co$1.16B0.88%0.13%-6.0%Q1 2015
COPConocophillips$1.08B0.82%0.94%+11.9%Q1 2024
ELANElanco Animal Health Inc$1.05B0.79%9.30%-7.5%Q3 2018
NVSNovartis AG$1.04B0.79%0.40%-18.9%Q2 2013
NTAPNetApp, Inc.$971M0.74%4.58%-5.8%Q2 2013
NTRSNorthern Trust Corp$903M0.68%3.55%-12.4%Q1 2016
BMRNBiomarin Pharmaceutical Inc$865M0.65%7.57%-4.5%Q2 2013
ADIAnalog Devices Inc$852M0.64%0.64%-4.2%Q2 2013
ACMAecom$826M0.63%6.70%-2.4%Q2 2013
WFCWells Fargo & Company$779M0.59%0.27%-44.0%Q2 2013
JBLJabil Inc$762M0.58%3.13%+0.4%Q2 2013
AALAmerican Airlines Group Inc.$751M0.57%7.42%-1.3%Q4 2013
DISWalt Disney Co$710M0.54%0.35%-0.2%Q2 2013
INTUIntuit Inc.$700M0.53%0.38%-5.8%Q2 2013
RCLRoyal Caribbean Cruises Ltd$672M0.51%0.88%-12.6%Q2 2013
NXTNextpower Inc.$606M0.46%5.09%-6.8%Q1 2023
Q3 2025Reported Nov 12, 2025325 positions
LLYELI LILLY & Co$8.24B6.31%1.14%-11.2%Q2 2013
MUMicron Technology Inc$4.96B3.80%2.64%-5.8%Q2 2013
MSFTMicrosoft Corp$4.35B3.33%0.11%-8.0%Q2 2013
GOOGLAlphabet Inc.$3.84B2.94%0.13%-5.8%Q3 2015
KLACKla Corp$3.81B2.92%2.68%-21.1%Q2 2013
BABAAlibaba Group Holding Ltd$3.57B2.74%0.11%-3.7%Q3 2014
NVDANvidia Corp$3.5B2.68%0.08%-7.7%Q2 2013
BSXBoston Scientific Corp$3.23B2.48%2.23%-4.5%Q2 2013
AZNAstrazeneca PLC$3.06B2.34%Not reported-3.3%Q3 2015
TSLATesla, Inc.$2.94B2.26%0.20%-4.3%Q2 2013
AMGNAmgen Inc$2.74B2.10%1.80%-8.7%Q2 2013
INTCIntel Corp$2.66B2.04%1.67%-1.1%Q2 2013
AMZNAmazon Com Inc$2.35B1.80%0.10%+42.1%Q2 2013
FDXFedex Corp$2.23B1.71%4.00%-6.4%Q2 2013
ORCLOracle Corp$2.12B1.62%0.27%-32.6%Q2 2013
BIIBBiogen Inc.$2.09B1.60%10.20%-5.4%Q2 2013
TXNTexas Instruments Inc$2.06B1.58%1.24%-8.9%Q2 2013
SCHWSchwab Charles Corp$2.02B1.55%1.17%+11.4%Q2 2013
SONYSony Group Corp$1.86B1.42%1.03%-8.9%Q2 2013
UALUnited Airlines Holdings, Inc.$1.74B1.33%5.56%-4.4%Q2 2013
ONCBeOne Medicines Ltd.$1.73B1.33%0.35%-0.2%Q2 2017
FLEXFlex Ltd.$1.72B1.31%7.98%-11.9%Q2 2013
RJFRaymond James Financial Inc$1.66B1.28%4.87%-3.7%Q4 2018
BIDUBaidu, Inc.$1.6B1.22%Not reported0.0%Q4 2019
LUVSouthwest Airlines Co$1.53B1.17%9.14%-1.7%Q2 2013
TJXTJX Companies Inc$1.52B1.17%0.95%-8.8%Q2 2013
ROSTRoss Stores, Inc.$1.52B1.16%3.06%-3.1%Q2 2013
GOOGAlphabet Inc.$1.49B1.14%Not reported-27.7%Q3 2015
VVisa Inc.$1.39B1.06%0.22%-4.3%Q2 2013
ADBEAdobe Inc.$1.36B1.04%0.92%-7.2%Q2 2013
WFCWells Fargo & Company$1.25B0.96%0.47%-17.9%Q2 2013
JPMJPMorgan Chase & Co$1.21B0.93%0.14%-23.9%Q1 2015
NVSNovartis AG$1.2B0.92%0.47%-10.2%Q2 2013
ACMAecom$1.16B0.89%6.74%-7.2%Q2 2013
NTAPNetApp, Inc.$1.14B0.87%4.82%-13.8%Q2 2013
TMOThermo Fisher Scientific Inc.$1.12B0.86%0.61%-4.3%Q4 2013
GSKGSK plc$1.11B0.85%0.60%-7.1%Q2 2013
DALDelta Air Lines, Inc.$1.04B0.80%2.80%-9.4%Q2 2013
NTRSNorthern Trust Corp$1.02B0.78%3.99%-3.2%Q1 2016
ELANElanco Animal Health Inc$1.01B0.77%10.06%-3.5%Q3 2018
BMYBristol Myers Squibb Co$996M0.76%1.09%-3.7%Q1 2017
CVXChevron Corp$988M0.76%0.32%Not reportedQ4 2020
COPConocophillips$979M0.75%0.84%+31.3%Q1 2024
RCLRoyal Caribbean Cruises Ltd$892M0.68%1.02%-13.2%Q2 2013
BMRNBiomarin Pharmaceutical Inc$825M0.63%7.93%-3.4%Q2 2013
ADIAnalog Devices Inc$806M0.62%0.67%-4.8%Q2 2013
TDGTransDigm Group INC$772M0.59%1.04%+4.9%Q4 2013
INTUIntuit Inc.$766M0.59%0.40%-14.2%Q2 2013
METAMeta Platforms, Inc.$742M0.57%Not reported-0.7%Q1 2018
JBLJabil Inc$723M0.55%3.10%-2.3%Q2 2013
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