Primecap Management Co.

In its 13F for Q2 2024 (holdings as of June 30, 2024, filed August 9, 2024), Primecap Management Co. reported 332 stock positions worth $138.1 billion. Its top holding was Eli Lilly (LLY) at 12.9% of the portfolio, followed by Micron Technology (MU, 3.6%) and KLA (KLAC, 3.3%). Compared with Q1 2024, it opened 7 new positions, sold out of 11, added to 97 and reduced 188. The biggest buy was a new position in Exxon Mobil (XOM) and the biggest sale an exit from Pioneer Natural Resources (PXD).

Most Recent 13F
Q2 2026
Location
PASADENA, CA
CIK
0000763212
Portfolio Value
$138.1B (Q2 2024)
SEC Filing
0001085146-24-003696 ↗ filed Aug 9, 2024

Holdings Value

0$50.0B$100.0B$150.0B$200.0B Q1 2024: $134.1B Q1 2024 Q2 2024: $138.1B $138.1B Q2 2024 Q3 2024: $136.0B Q3 2024 Q4 2024: $129.1B Q4 2024 Q1 2025: $121.0B Q1 2025 Q2 2025: $126.2B Q2 2025 Q3 2025: $130.6B Q3 2025 Q4 2025: $132.1B Q4 2025 Q1 2026: $127.0B Q1 2026 Q2 2026: $169.1B Q2 2026

Holdings 332 stocks · $138.1B

LLY Eli Lilly & Co. 12.86% 19,618,082 $17.8B Reduce -7.7%
MU Micron Technology Inc. 3.56% 37,425,361 $4.9B Reduce -0.5%
KLAC KLA Corp. 3.29% 5,515,689 $4.5B Reduce -4.7%
AMGN Amgen Inc. 3.27% 14,447,127 $4.5B Reduce -1.1%
MSFT Microsoft Corp. 3.25% 10,043,580 $4.5B Reduce -1.9%
FDX FedEx Corp. 2.78% 12,789,420 $3.8B Reduce -0.8%
BIIB Biogen Inc. 2.74% 16,338,294 $3.8B Add +0.7%
GOOGL Alphabet Inc. Class A 2.49% 18,903,240 $3.4B Reduce -1.3%
AZN Astrazeneca PLC-Spons ADR 2.41% 42,597,235 $3.3B Reduce -0.8%
ADBE Adobe Inc. 2.31% 5,735,711 $3.2B Reduce -2.1%
TXN Texas Instruments Inc. 2.16% 15,341,904 $3.0B Reduce -1.1%
BSX Boston Scientific Corp. 2.12% 37,959,061 $2.9B Add +0.0%
NVDA Nvidia Corp. 1.94% 21,669,980 $2.7B Reduce -6.2%
INTC Intel Corp. 1.74% 77,822,587 $2.4B Add +2.2%
GOOG Alphabet Inc. Class C 1.66% 12,527,940 $2.3B Reduce -1.2%
WFC Wells Fargo & Co. 1.60% 37,202,871 $2.2B Reduce -12.3%
SONY Sony Group Corp. - SP ADR 1.32% 21,491,973 $1.8B Reduce -1.2%
ORCL Oracle Corp. 1.31% 12,848,720 $1.8B Reduce -1.8%
NTAP Netapp Inc. 1.29% 13,786,774 $1.8B Reduce -5.0%
TSLA Tesla Inc. 1.26% 8,823,200 $1.7B Reduce -2.4%
BABA Alibaba Group Holding-SP ADR 1.14% 21,870,987 $1.6B Add +5.2%
ROST Ross Stores Inc. 1.12% 10,650,717 $1.5B Reduce -0.6%
BMRN Biomarin Pharmaceutical Inc. 1.12% 18,790,085 $1.5B Add +0.4%
RJF Raymond James Financial Inc. 1.08% 12,085,582 $1.5B Reduce -0.0%
TMO Thermo Fisher Scientific Inc. 1.07% 2,666,937 $1.5B Reduce -3.3%
LUV Southwest Airlines Co. 1.03% 49,908,845 $1.4B Reduce -0.7%
TJX TJX Companies Inc. filed as TJX COS INC NEW 0.99% 12,450,867 $1.4B Reduce -4.4%
FLEX Flex Ltd. 0.95% 44,285,974 $1.3B Reduce -3.2%
NVS Novartis AG-Sponsored ADR 0.94% 12,179,345 $1.3B Reduce -1.9%
HES Hess Corp. 0.86% 8,098,012 $1.2B Add +4.4%
UAL United Airlines Holdings Inc. 0.84% 23,729,342 $1.2B Add +0.1%
ACM Aecom 0.83% 13,021,913 $1.1B Reduce -3.0%
JPM JPMorgan Chase & Co. 0.82% 5,582,865 $1.1B Add +8.4%
INTU Intuit Inc. 0.80% 1,672,781 $1.1B Reduce -1.7%
DAL Delta Air Lines Inc. 0.77% 22,434,223 $1.1B Reduce -0.6%
V Visa Inc. Class A 0.77% 4,047,195 $1.1B Reduce -0.3%
BIDU Baidu Inc. - Spon ADR 0.75% 11,947,706 $1.0B Add +17.2%
QCOM Qualcomm Inc. 0.71% 4,949,643 $985.9M Reduce -3.1%
XOM Exxon Mobil Corp. 0.71% 8,514,677 $980.2M New
BMY Bristol-Myers Squibb Co. 0.71% 23,498,604 $975.9M Add +1.0%
AMZN Amazon.com Inc. 0.61% 4,360,250 $842.6M Add +0.3%
ADI Analog Devices Inc. 0.60% 3,602,310 $822.3M Reduce -0.7%
HPQ HP Inc. 0.57% 22,451,096 $786.2M Add +6.3%
J Jacobs Solutions Inc. 0.56% 5,582,222 $779.9M Reduce -6.1%
RCL Royal Caribbean Cruises Ltd. 0.56% 4,874,443 $777.1M Reduce -2.5%
ELAN Elanco Animal Health Inc. 0.55% 52,802,763 $761.9M Reduce -0.2%
ONC Beone Medicines Ltd.-ADR filed as BEIGENE LTD 0.52% 4,986,289 $711.4M Reduce -0.3%
AMAT Applied Materials Inc. 0.49% 2,855,183 $673.8M Reduce -5.1%
HPE Hewlett Packard Enterprise 0.49% 31,775,271 $672.7M Reduce -0.7%
TDG Transdigm Group Inc. 0.47% 512,294 $654.5M No change
DIS The Walt Disney Co. filed as DISNEY WALT CO 0.47% 6,497,724 $645.2M Reduce -0.4%
AAL American Airlines Group Inc. 0.47% 56,881,356 $644.5M Add +34.4%
MAT Mattel Inc. 0.45% 38,528,182 $626.5M Reduce -2.6%
MRSH Marsh & McLennan Cos 0.44% 2,871,716 $605.1M Reduce -0.3%
NTRS Northern Trust Corp. 0.43% 7,046,757 $591.8M Add +3.9%
ASML ASML Holding NV-NY Reg SHS 0.42% 572,509 $585.5M Reduce -0.6%
GSK GSK PLC-Spon ADR 0.40% 14,511,390 $558.7M Add +13.9%
ZBH Zimmer Biomet Holdings Inc. 0.40% 5,054,590 $548.6M Reduce -0.2%
CAT Caterpillar Inc. 0.39% 1,622,727 $540.5M Reduce -6.3%
WHR Whirlpool Corp. 0.36% 4,858,250 $496.5M Add +1.8%
AAPL Apple Inc. 0.34% 2,250,800 $474.1M Add +19.0%
TXT Textron Inc. 0.33% 5,310,725 $456.0M Reduce -1.0%
BAC Bank of America Corp. filed as BANK AMERICA CORP 0.30% 10,344,132 $411.4M Reduce -5.4%
JBL Jabil Inc. 0.29% 3,682,875 $400.7M Add +3.0%
ENTG Entegris Inc. 0.29% 2,955,532 $400.2M Reduce -0.9%
OLED Universal Display Corp. 0.29% 1,895,017 $398.4M Add +0.4%
KMX Carmax Inc. 0.29% 5,411,784 $396.9M Reduce -2.0%
UPS United Parcel Service Class B 0.29% 2,893,315 $396.0M Reduce -0.3%
BNTX Biontech SE-ADR 0.28% 4,789,518 $384.9M Reduce -0.4%
NXT Nextpower Inc. filed as NEXTRACKER INC 0.27% 7,990,923 $374.6M Reduce -2.8%
ALB Albemarle Corp. 0.26% 3,813,054 $364.2M Add +2.4%
UNP Union Pacific Corp. 0.26% 1,604,170 $363.0M Reduce -0.6%
META Meta Platforms Inc. Class A 0.26% 706,450 $356.2M Add +2.5%
CME Cme Group Inc. 0.26% 1,803,043 $354.5M Add +0.1%
EOG EOG Resources Inc. 0.25% 2,757,629 $347.1M Reduce -1.6%
GLW Corning Inc. 0.24% 8,562,019 $332.6M Reduce -1.8%
COP Conocophillips 0.24% 2,902,005 $331.9M Add +5.7%
LIVN Livanova PLC 0.24% 5,981,200 $327.9M Add +0.7%
SYY Sysco Corp. 0.23% 4,373,485 $312.2M Add +37.5%
DLTR Dollar Tree Inc. 0.22% 2,872,460 $306.7M Add +50.0%
TER Teradyne Inc. 0.22% 2,038,485 $302.3M Reduce -0.6%
RYTM Rhythm Pharmaceuticals Inc. 0.22% 7,312,391 $300.2M Reduce -5.6%
RIG Transocean Ltd. 0.22% 56,119,489 $300.2M Add +0.7%
ERIC Ericsson (lm) Tel-SP ADR filed as TELEFONAKTIEBOLAGET LM ERICS 0.22% 48,272,499 $297.8M Reduce -1.9%
PGR Progressive Corp. 0.22% 1,432,280 $297.5M Reduce -1.7%
PYPL PayPal Holdings Inc. 0.21% 4,946,460 $287.0M Add +180.7%
CSCO Cisco Systems Inc. 0.20% 5,801,409 $275.6M Reduce -2.5%
MKTX Marketaxess Holdings Inc. 0.19% 1,330,880 $266.9M Add +18.2%
TRMB Trimble Inc. 0.19% 4,683,866 $261.9M Reduce -4.8%
A Agilent Technologies Inc. 0.18% 1,956,571 $253.6M Reduce -1.9%
ILMN Illumina Inc. 0.18% 2,428,760 $253.5M Add +462.5%
CW Curtiss-Wright Corp. 0.18% 900,480 $244.0M Reduce -7.7%
NTNX Nutanix Inc. Class A 0.17% 4,192,393 $238.3M Reduce -7.0%
GD General Dynamics Corp. 0.17% 806,450 $234.0M Reduce -3.5%
C Citigroup Inc. 0.16% 3,573,345 $226.8M Reduce -2.2%
DSGX The Descartes Systems Grp 0.16% 2,238,553 $216.8M Reduce -2.2%
BBWI Bath & Body Works Inc. 0.16% 5,536,855 $216.2M Reduce -0.8%
DD Dupont DE Nemours Inc. 0.16% 2,675,163 $215.3M Reduce -1.0%
CVS CVS Health Corp. 0.14% 3,362,305 $198.6M Reduce -1.0%
MA Mastercard Inc. Class A 0.13% 419,400 $185.0M No change

Show all 332 holdings

Portfolio Sells Q1 2024 → Q2 2024

PXD Pioneer Natural Resources Co. Sold out 0.00% −0.85
WFC Wells Fargo & Co. Reduce -12.3% 1.60% −0.23
ACM Aecom Reduce -3.0% 0.83% −0.15
MAT Mattel Inc. Reduce -2.6% 0.45% −0.13
DIS The Walt Disney Co. Reduce -0.4% 0.47% −0.13
TMO Thermo Fisher Scientific Inc. Reduce -3.3% 1.07% −0.13
J Jacobs Solutions Inc. Reduce -6.1% 0.56% −0.12
ZBH Zimmer Biomet Holdings Inc. Reduce -0.2% 0.40% −0.10
ELAN Elanco Animal Health Inc. Reduce -0.2% 0.55% −0.09
CAT Caterpillar Inc. Reduce -6.3% 0.39% −0.08
RJF Raymond James Financial Inc. Reduce -0.0% 1.08% −0.08
V Visa Inc. Class A Reduce -0.3% 0.77% −0.08
NXT Nextpower Inc. Reduce -2.8% 0.27% −0.07
KMX Carmax Inc. Reduce -2.0% 0.29% −0.07
SONY Sony Group Corp. - SP ADR Reduce -1.2% 1.32% −0.07
ONC Beone Medicines Ltd.-ADR Reduce -0.3% 0.52% −0.07
SWAV Shockwave Medical Inc. Sold out 0.00% −0.07
LUV Southwest Airlines Co. Reduce -0.7% 1.03% −0.06
CVS CVS Health Corp. Reduce -1.0% 0.14% −0.06
TXT Textron Inc. Reduce -1.0% 0.33% −0.05
BNTX Biontech SE-ADR Reduce -0.4% 0.28% −0.05
ROST Ross Stores Inc. Reduce -0.6% 1.12% −0.05
BBWI Bath & Body Works Inc. Reduce -0.8% 0.16% −0.05
DFS Discover Financial Services Reduce -39.6% 0.07% −0.05
TRMB Trimble Inc. Reduce -4.8% 0.19% −0.05
CPRI Capri Holdings Ltd. Reduce -5.5% 0.09% −0.04
DAL Delta Air Lines Inc. Reduce -0.6% 0.77% −0.04
NTNX Nutanix Inc. Class A Reduce -7.0% 0.17% −0.04
UPS United Parcel Service Class B Reduce -0.3% 0.29% −0.04
UNP Union Pacific Corp. Reduce -0.6% 0.26% −0.03
RYTM Rhythm Pharmaceuticals Inc. Reduce -5.6% 0.22% −0.03
A Agilent Technologies Inc. Reduce -1.9% 0.18% −0.03
FLEX Flex Ltd. Reduce -3.2% 0.95% −0.03
INTU Intuit Inc. Reduce -1.7% 0.80% −0.03
WEX Wex Inc. Reduce -6.1% 0.05% −0.03
ENTG Entegris Inc. Reduce -0.9% 0.29% −0.02
CSCO Cisco Systems Inc. Reduce -2.5% 0.20% −0.02
CARR Carrier Global Corp. Reduce -20.0% 0.11% −0.02
VLO Valero Energy Corp. Reduce -34.1% 0.02% −0.02
FIBROGEN INC Reduce -5.3% 0.01% −0.02
EOG EOG Resources Inc. Reduce -1.6% 0.25% −0.02
KEYS Keysight Technologies Inc. Reduce -1.6% 0.07% −0.01
IEX Idex Corp. Reduce -5.9% 0.04% −0.01
CRL Charles River Laboratories Reduce -0.1% 0.04% −0.01
EW Edwards Lifesciences Corp. Reduce -4.7% 0.12% −0.01
FIS Fidelity National Info Serv Reduce -12.9% 0.08% −0.01
LUNG Pulmonx Corp. Reduce -0.5% 0.03% −0.01
OTIS Otis Worldwide Corp. Reduce -3.8% 0.13% −0.01
CSX CSX Corp. Reduce -6.8% 0.06% −0.01
BAC Bank of America Corp. Reduce -5.4% 0.30% −0.01

Portfolio Buys Q1 2024 → Q2 2024

XOM Exxon Mobil Corp. New 0.71% +0.71
BSX Boston Scientific Corp. Add +0.0% 2.12% +0.18
ILMN Illumina Inc. Add +462.5% 0.18% +0.14
BIIB Biogen Inc. Add +0.7% 2.74% +0.13
PYPL PayPal Holdings Inc. Add +180.7% 0.21% +0.12
AAPL Apple Inc. Add +19.0% 0.34% +0.10
HPQ HP Inc. Add +6.3% 0.57% +0.09
AVGO Broadcom Inc. Add +61.4% 0.11% +0.05
OLED Universal Display Corp. Add +0.4% 0.29% +0.05
PFGC Performance Food Group Co. Add +223.4% 0.08% +0.05
JPM JPMorgan Chase & Co. Add +8.4% 0.82% +0.05
IMCR Immunocore Holdings PLC-ADR Add +3841.6% 0.05% +0.05
GKOS Glaukos Corp. Add +43.9% 0.10% +0.04
MRVL Marvell Technology Inc. Add +98.9% 0.09% +0.04
SYY Sysco Corp. Add +37.5% 0.23% +0.03
DLTR Dollar Tree Inc. Add +50.0% 0.22% +0.03
INDI Indie Semiconductor Inc. Class A Add +93.5% 0.07% +0.03
AMZN Amazon.com Inc. Add +0.3% 0.61% +0.03
CRM Salesforce Inc. Add +64.7% 0.09% +0.03
NFE New Fortress Energy Inc. Add +73.9% 0.13% +0.02
GTLB Gitlab Inc. Class A Add +269.5% 0.03% +0.02
GRAL Grail Inc. Add +2487.0% 0.02% +0.02
PANW Palo Alto Networks Inc. Add +1.1% 0.13% +0.02
BABA Alibaba Group Holding-SP ADR Add +5.2% 1.14% +0.02
CASY Casey's General Stores Inc. New 0.02% +0.02
FLYW Flywire Corp.-Voting Add +253.3% 0.02% +0.01
GTLS Chart Industries Inc. New 0.01% +0.01
MKTX Marketaxess Holdings Inc. Add +18.2% 0.19% +0.01
META Meta Platforms Inc. Class A Add +2.5% 0.26% +0.01
MOG.A Moog Inc. Class A Add +23.6% 0.04% +0.01
IBTA Ibotta Inc. Class A New 0.01% +0.01
GTM Zoominfo Technologies Inc. Add +152.8% 0.01% +0.01
EVR Evercore Inc. Class A Add +1.4% 0.09% +0.01
STX Seagate Technology Holdings Add +6.5% 0.04% +0.01
RXO Rxo Inc. Add +20.7% 0.02% +0.01
USFD US Foods Holding Corp. New 0.00% +0.00
BNY Bank of New York Mellon Corp. Add +11.7% 0.03% +0.00
ZM Zoom Communications Inc. Add +20.0% 0.05% +0.00
HUM Humana Inc. Add +21.8% 0.01% +0.00
UNH Unitedhealth Group Inc. Add +3.9% 0.04% +0.00
NRIX Nurix Therapeutics Inc. Add +3.9% 0.00% +0.00
DG Dollar General Corp. Add +34.7% 0.01% +0.00
DOCU Docusign Inc. Add +22.4% 0.02% +0.00
LOAR Loar Holdings Inc. New 0.00% +0.00
RNG Ringcentral Inc. Class A Add +166.7% 0.00% +0.00
FTI Technipfmc PLC Add +0.5% 0.04% +0.00
TXG 10X Genomics Inc. Class A Add +135.3% 0.00% +0.00
SNCY Sun Country Airlines Holding Add +60.6% 0.00% +0.00
DUOL Duolingo Add +42.7% 0.00% +0.00
NICE Nice Ltd. - Spon ADR New 0.00% +0.00

All Filings

QuarterPositions13F Reported ValueTop Holdings
Q2 2026 324$169.1BMU, LLY, INTC, KLAC, GOOGL
Q1 2026 320$127.0BLLY, MU, GOOGL, AZN, KLAC
Q4 2025 319$132.1BLLY, MU, GOOGL, MSFT, KLAC
Q3 2025 327$130.6BLLY, MU, MSFT, GOOGL, KLAC
Q2 2025 333$126.2BLLY, MSFT, KLAC, MU, BSX
Q1 2025 335$121.0BLLY, AMGN, BSX, MSFT, KLAC
Q4 2024 329$129.1BLLY, MSFT, FDX, AMGN, BSX
Q3 2024 336$136.0BLLY, AMGN, MSFT, KLAC, MU
Q2 2024 332$138.1BLLY, MU, KLAC, AMGN, MSFT
Q1 2024 335$134.1BLLY, MU, MSFT, AMGN, KLAC