Primecap Management Co.

Q2 2026Q1 2026Q4 2025Q3 2025Q2 2025Q1 2025Q3 2024Q2 2024Q1 2024

In its 13F for Q4 2024 (holdings as of December 31, 2024, filed February 10, 2025), Primecap Management Co. reported 329 stock positions worth $129.1 billion. Its top holding was Eli Lilly (LLY) at 10.0% of the portfolio, followed by Microsoft (MSFT, 3.1%) and FedEx (FDX, 2.7%). Compared with Q3 2024, it opened 6 new positions, sold out of 13, added to 53 and reduced 242. The biggest buy was American Airlines (AAL, shares +5%) and the biggest sale Eli Lilly (LLY, shares −5%).

Most Recent 13F: Q2 2026
Location: PASADENA, CA
CIK: 0000763212
Portfolio Value: $129.1B (Q4 2024)
SEC Filing: 0001085146-25-000946 ↗ filed Feb 10, 2025

Holdings Value

Holdings 329 stocks · $129.1B


LLY Eli Lilly & Co.	10.02%	16,756,654	$12.9B	Reduce -5.3%
MSFT Microsoft Corp.	3.12%	9,548,640	$4.0B	Reduce -3.0%
FDX FedEx Corp.	2.70%	12,390,945	$3.5B	Reduce -2.5%
AMGN Amgen Inc.	2.62%	13,002,125	$3.4B	Reduce -8.8%
BSX Boston Scientific Corp.	2.55%	36,929,666	$3.3B	Reduce -2.4%
KLAC KLA Corp.	2.53%	5,184,569	$3.3B	Reduce -2.2%
GOOGL Alphabet Inc. Class A	2.49%	17,008,935	$3.2B	Reduce -9.0%
MU Micron Technology Inc.	2.45%	37,596,461	$3.2B	Reduce -0.1%
TSLA Tesla Inc.	2.36%	7,555,735	$3.1B	Reduce -13.3%
NVDA Nvidia Corp.	2.21%	21,292,680	$2.9B	Reduce -0.8%
TXN Texas Instruments Inc.	2.09%	14,370,519	$2.7B	Reduce -3.6%
AZN Astrazeneca PLC-Spons ADR	2.08%	41,019,527	$2.7B	Reduce -2.3%
BIIB Biogen Inc.	1.90%	16,046,209	$2.5B	Reduce -1.6%
ADBE Adobe Inc.	1.89%	5,487,401	$2.4B	Reduce -3.4%
UAL United Airlines Holdings Inc.	1.71%	22,679,475	$2.2B	Reduce -3.8%
GOOG Alphabet Inc. Class C	1.68%	11,379,775	$2.2B	Reduce -8.2%
SONY Sony Group Corp. - SP ADR	1.67%	101,995,855	$2.2B	Reduce -4.1%
ORCL Oracle Corp.	1.57%	12,156,455	$2.0B	Reduce -3.8%
BABA Alibaba Group Holding-SP ADR	1.44%	21,955,107	$1.9B	Add +0.2%
WFC Wells Fargo & Co.	1.39%	25,539,184	$1.8B	Reduce -20.2%
RJF Raymond James Financial Inc.	1.38%	11,469,156	$1.8B	Reduce -4.2%
LUV Southwest Airlines Co.	1.27%	48,900,053	$1.6B	Reduce -1.6%
ROST Ross Stores Inc.	1.21%	10,364,825	$1.6B	Reduce -1.6%
INTC Intel Corp.	1.20%	77,049,937	$1.5B	Reduce -0.3%
FLEX Flex Ltd.	1.17%	39,190,841	$1.5B	Reduce -9.3%
TJX TJX Companies Inc. filed as TJX COS INC NEW	1.12%	12,003,367	$1.5B	Reduce -2.5%
NTAP Netapp Inc.	1.10%	12,220,339	$1.4B	Reduce -9.0%
DAL Delta Air Lines Inc.	1.03%	21,932,007	$1.3B	Reduce -2.1%
TMO Thermo Fisher Scientific Inc.	1.01%	2,505,151	$1.3B	Reduce -2.7%
BMY Bristol-Myers Squibb Co.	1.00%	22,773,180	$1.3B	Reduce -2.5%
JPM JPMorgan Chase & Co.	0.99%	5,319,450	$1.3B	Reduce -5.8%
V Visa Inc. Class A	0.97%	3,964,780	$1.3B	Reduce -1.3%
ACM Aecom	0.94%	11,381,582	$1.2B	Reduce -9.0%
AMZN Amazon.com Inc.	0.93%	5,494,750	$1.2B	Add +24.7%
BMRN Biomarin Pharmaceutical Inc.	0.93%	18,189,171	$1.2B	Reduce -3.6%
NVS Novartis AG-Sponsored ADR	0.83%	11,025,039	$1.1B	Reduce -8.2%
AAL American Airlines Group Inc.	0.81%	60,225,707	$1.0B	Add +5.0%
HES Hess Corp.	0.80%	7,768,296	$1.0B	Reduce -1.9%
BIDU Baidu Inc. - Spon ADR	0.79%	12,114,236	$1.0B	Reduce -0.1%
RCL Royal Caribbean Cruises Ltd.	0.76%	4,268,658	$984.7M	Reduce -10.7%
ONC Beone Medicines Ltd.-ADR filed as BEIGENE LTD	0.73%	5,098,904	$941.8M	Add +2.5%
INTU Intuit Inc.	0.70%	1,440,875	$905.6M	Reduce -12.5%
GSK GSK PLC-Spon ADR	0.66%	25,261,660	$854.3M	Add +70.1%
ADI Analog Devices Inc.	0.58%	3,523,385	$748.6M	Reduce -1.5%
HPQ HP Inc.	0.55%	21,915,405	$715.1M	Reduce -1.9%
XOM Exxon Mobil Corp.	0.54%	6,522,990	$701.7M	Reduce -7.9%
DIS The Walt Disney Co. filed as DISNEY WALT CO	0.54%	6,296,234	$701.1M	Reduce -2.2%
NTRS Northern Trust Corp.	0.53%	6,720,607	$688.9M	Reduce -5.1%
J Jacobs Solutions Inc.	0.53%	5,106,852	$682.4M	Reduce -3.1%
TDG Transdigm Group Inc.	0.50%	513,194	$650.4M	No change
MAT Mattel Inc.	0.50%	36,512,081	$647.4M	Reduce -3.6%
QCOM Qualcomm Inc.	0.50%	4,167,852	$640.3M	Reduce -14.7%
ELAN Elanco Animal Health Inc.	0.48%	51,165,165	$619.6M	Reduce -2.7%
HPE Hewlett Packard Enterprise	0.48%	28,902,400	$617.1M	Reduce -7.8%
MRSH Marsh & McLennan Cos	0.45%	2,732,326	$580.4M	Reduce -4.8%
AAPL Apple Inc.	0.44%	2,270,500	$568.6M	Add +0.4%
WHR Whirlpool Corp.	0.41%	4,670,586	$534.7M	Reduce -3.4%
CAT Caterpillar Inc.	0.40%	1,424,446	$516.7M	Reduce -4.1%
JBL Jabil Inc.	0.40%	3,572,660	$514.1M	Reduce -3.3%
PYPL PayPal Holdings Inc.	0.39%	5,944,806	$507.4M	Reduce -1.2%
ZBH Zimmer Biomet Holdings Inc.	0.39%	4,797,150	$506.7M	Reduce -3.5%
BNTX Biontech SE-ADR	0.38%	4,295,817	$489.5M	Reduce -4.9%
COP Conocophillips	0.35%	4,603,895	$456.6M	Add +6.5%
BAC Bank of America Corp. filed as BANK AMERICA CORP	0.34%	10,027,332	$440.7M	Reduce -2.0%
CME Cme Group Inc.	0.34%	1,864,920	$433.1M	Add +0.2%
META Meta Platforms Inc. Class A	0.33%	736,100	$431.0M	Add +1.8%
AMAT Applied Materials Inc.	0.33%	2,596,280	$422.2M	Reduce -5.3%
KMX Carmax Inc.	0.32%	5,080,456	$415.4M	Reduce -3.9%
GLW Corning Inc.	0.31%	8,325,672	$395.6M	Reduce -2.7%
ASML ASML Holding NV-NY Reg SHS	0.29%	546,309	$378.6M	Reduce -1.3%
ERIC Ericsson (lm) Tel-SP ADR filed as TELEFONAKTIEBOLAGET LM ERICS	0.29%	46,270,799	$372.9M	Reduce -3.2%
TXT Textron Inc.	0.29%	4,874,615	$372.9M	Reduce -7.7%
RYTM Rhythm Pharmaceuticals Inc.	0.28%	6,571,190	$367.9M	Reduce -8.9%
UPS United Parcel Service Class B	0.27%	2,788,761	$351.7M	Reduce -2.4%
UNP Union Pacific Corp.	0.26%	1,497,280	$341.4M	Reduce -6.7%
SYY Sysco Corp.	0.26%	4,337,229	$331.6M	Reduce -9.6%
PGR Progressive Corp.	0.26%	1,382,330	$331.2M	Reduce -2.7%
ILMN Illumina Inc.	0.25%	2,455,819	$328.2M	Reduce -2.4%
CSCO Cisco Systems Inc.	0.25%	5,541,030	$328.0M	Reduce -2.9%
EOG EOG Resources Inc.	0.24%	2,575,742	$315.7M	Reduce -5.4%
SCHW Schwab (charles) Corp.	0.24%	4,252,350	$314.7M	Add +310.3%
TRMB Trimble Inc.	0.24%	4,425,156	$312.7M	Reduce -2.3%
MKTX Marketaxess Holdings Inc.	0.24%	1,369,102	$309.5M	Add +2.3%
DLTR Dollar Tree Inc.	0.23%	3,978,425	$298.1M	Add +31.3%
ALB Albemarle Corp.	0.22%	3,349,954	$288.4M	Reduce -12.6%
ENTG Entegris Inc.	0.22%	2,873,164	$284.6M	Reduce -2.7%
NXT Nextpower Inc. filed as NEXTRACKER INC	0.22%	7,701,847	$281.3M	Reduce -1.8%
XMTR Xometry Inc. Class A	0.21%	6,501,962	$277.4M	Reduce -6.0%
CW Curtiss-Wright Corp.	0.21%	771,130	$273.7M	Reduce -6.2%
OLED Universal Display Corp.	0.20%	1,797,132	$262.7M	Reduce -2.8%
ALK Alaska Air Group Inc.	0.19%	3,821,450	$247.4M	Reduce -0.8%
TER Teradyne Inc.	0.19%	1,958,250	$246.6M	Reduce -0.4%
A Agilent Technologies Inc.	0.19%	1,789,661	$240.4M	Reduce -6.1%
MRVL Marvell Technology Inc.	0.18%	2,098,430	$231.8M	Add +10.5%
AVGO Broadcom Inc.	0.17%	957,880	$222.1M	Add +0.8%
NTNX Nutanix Inc. Class A	0.17%	3,621,453	$221.6M	Reduce -10.5%
MA Mastercard Inc. Class A	0.17%	419,400	$220.8M	No change
LIVN Livanova PLC	0.17%	4,754,060	$220.2M	Reduce -15.5%
DSGX The Descartes Systems Grp	0.17%	1,917,553	$217.8M	Reduce -9.3%
BBWI Bath & Body Works Inc.	0.16%	5,335,727	$206.9M	Reduce -1.6%

Show all 329 holdings

Portfolio Sells Q3 2024 → Q4 2024


LLY Eli Lilly & Co.	Reduce -5.3%	10.02%	−1.50
AMGN Amgen Inc.	Reduce -8.8%	2.62%	−0.75
KLAC KLA Corp.	Reduce -2.2%	2.53%	−0.49
BIIB Biogen Inc.	Reduce -1.6%	1.90%	−0.42
MU Micron Technology Inc.	Reduce -0.1%	2.45%	−0.42
AZN Astrazeneca PLC-Spons ADR	Reduce -2.3%	2.08%	−0.32
ADBE Adobe Inc.	Reduce -3.4%	1.89%	−0.27
NVS Novartis AG-Sponsored ADR	Reduce -8.2%	0.83%	−0.18
TXN Texas Instruments Inc.	Reduce -3.6%	2.09%	−0.18
TMO Thermo Fisher Scientific Inc.	Reduce -2.7%	1.01%	−0.16
BIDU Baidu Inc. - Spon ADR	Reduce -0.1%	0.79%	−0.15
INTC Intel Corp.	Reduce -0.3%	1.20%	−0.14
NTAP Netapp Inc.	Reduce -9.0%	1.10%	−0.12
QCOM Qualcomm Inc.	Reduce -14.7%	0.50%	−0.12
ELAN Elanco Animal Health Inc.	Reduce -2.7%	0.48%	−0.09
OLED Universal Display Corp.	Reduce -2.8%	0.20%	−0.08
AMAT Applied Materials Inc.	Reduce -5.3%	0.33%	−0.08
XOM Exxon Mobil Corp.	Reduce -7.9%	0.54%	−0.07
TXT Textron Inc.	Reduce -7.7%	0.29%	−0.06
INTU Intuit Inc.	Reduce -12.5%	0.70%	−0.05
BMRN Biomarin Pharmaceutical Inc.	Reduce -3.6%	0.93%	−0.05
LIVN Livanova PLC	Reduce -15.5%	0.17%	−0.05
ASML ASML Holding NV-NY Reg SHS	Reduce -1.3%	0.29%	−0.05
UNH Unitedhealth Group Inc.	Reduce -88.9%	0.01%	−0.04
CVS CVS Health Corp.	Reduce -6.7%	0.10%	−0.04
ALB Albemarle Corp.	Reduce -12.6%	0.22%	−0.04
BB Blackberry Ltd.	Reduce -83.9%	0.01%	−0.04
SWN Southwestern Energy Co.	Sold out	0.00%	−0.04
GD General Dynamics Corp.	Reduce -14.9%	0.14%	−0.04
HPQ HP Inc.	Reduce -1.9%	0.55%	−0.04
FCX Freeport-McMoran Inc.	Reduce -8.4%	0.09%	−0.03
VSXY Victoria's Secret & Co.	Reduce -93.4%	0.00%	−0.03
MAT Mattel Inc.	Reduce -3.6%	0.50%	−0.03
DOW Dow Inc.	Reduce -23.8%	0.04%	−0.03
CAT Caterpillar Inc.	Reduce -4.1%	0.40%	−0.03
UNP Union Pacific Corp.	Reduce -6.7%	0.26%	−0.03
ADI Analog Devices Inc.	Reduce -1.5%	0.58%	−0.03
ACLS Axcelis Technologies Inc.	Reduce -6.0%	0.05%	−0.03
ENTG Entegris Inc.	Reduce -2.7%	0.22%	−0.02
A Agilent Technologies Inc.	Reduce -6.1%	0.19%	−0.02
DD Dupont DE Nemours Inc.	Reduce -3.0%	0.15%	−0.02
MRSH Marsh & McLennan Cos	Reduce -4.8%	0.45%	−0.02
SYY Sysco Corp.	Reduce -9.6%	0.26%	−0.02
SLB SLB Ltd.	Reduce -57.7%	0.01%	−0.02
RIG Transocean Ltd.	Reduce -2.7%	0.16%	−0.02
CTRA Coterra Energy Inc.	Reduce -35.7%	0.04%	−0.02
BNTX Biontech SE-ADR	Reduce -4.9%	0.38%	−0.02
MO Altria Group Inc.	Reduce -46.1%	0.02%	−0.01
UPS United Parcel Service Class B	Reduce -2.4%	0.27%	−0.01
ORCL Oracle Corp.	Reduce -3.8%	1.57%	−0.01

Portfolio Buys Q3 2024 → Q4 2024


AAL American Airlines Group Inc.	Add +5.0%	0.81%	+0.34
AMZN Amazon.com Inc.	Add +24.7%	0.93%	+0.33
GSK GSK PLC-Spon ADR	Add +70.1%	0.66%	+0.22
SCHW Schwab (charles) Corp.	Add +310.3%	0.24%	+0.19
APP AppLovin Corp. Class A	New	0.09%	+0.09
MRVL Marvell Technology Inc.	Add +10.5%	0.18%	+0.08
NFE New Fortress Energy Inc.	Add +13.6%	0.15%	+0.08
SPOT Spotify Technology SA	New	0.08%	+0.08
DLTR Dollar Tree Inc.	Add +31.3%	0.23%	+0.07
AAPL Apple Inc.	Add +0.4%	0.44%	+0.05
AVGO Broadcom Inc.	Add +0.8%	0.17%	+0.05
EXE Expand Energy Corp.	New	0.04%	+0.04
NSC Norfolk Southern Corp.	Add +46.8%	0.12%	+0.04
CME Cme Group Inc.	Add +0.2%	0.34%	+0.03
EW Edwards Lifesciences Corp.	Add +14.5%	0.12%	+0.03
META Meta Platforms Inc. Class A	Add +1.8%	0.33%	+0.03
CVNA Carvana Co.	New	0.03%	+0.03
CIEN Ciena Corp.	Add +263.7%	0.03%	+0.02
USFD US Foods Holding Corp.	Add +129.3%	0.03%	+0.02
BRBR Bellring Brands Inc.	Add +94.7%	0.03%	+0.02
COP Conocophillips	Add +6.5%	0.35%	+0.02
DOCU Docusign Inc.	Add +17.8%	0.04%	+0.02
PFGC Performance Food Group Co.	Add +0.2%	0.14%	+0.02
GTM Zoominfo Technologies Inc.	Add +70.4%	0.04%	+0.02
MBLY Mobileye Global Inc. Class A	Add +2.3%	0.03%	+0.01
INDI Indie Semiconductor Inc. Class A	Add +3.2%	0.08%	+0.01
OSIS Osi Systems Inc.	Add +1.1%	0.04%	+0.01
GTLB Gitlab Inc. Class A	Add +1.8%	0.04%	+0.01
CASY Casey's General Stores Inc.	Add +13.5%	0.03%	+0.01
CMA Comerica Inc.	Add +14.3%	0.02%	+0.00
WMT Walmart Inc.	New	0.00%	+0.00
IMCR Immunocore Holdings PLC-ADR	Add +8.0%	0.06%	+0.00
SVV Savers Value Village Inc.	Add +662.1%	0.00%	+0.00
VSEC Vse Corp.	Add +10.6%	0.01%	+0.00
BBIO Bridgebio Pharma Inc.	Add +1.0%	0.02%	+0.00
TTWO Take-Two Interactive Softwre	New	0.00%	+0.00
STX Seagate Technology Holdings	Add +26.7%	0.05%	+0.00
MDB Mongodb Inc.	Add +28.6%	0.02%	+0.00
CARR Carrier Global Corp.	Add +14.0%	0.13%	+0.00
MOG.A Moog Inc. Class A	Add +0.7%	0.05%	+0.00
ULCC Frontier Group Holdings Inc.	Add +44.1%	0.00%	+0.00
GFF Griffon Corp.	Add +1.8%	0.01%	+0.00
PRM Perimeter Solutions Inc.	Add +5.8%	0.02%	+0.00
IT Gartner Inc.	Add +0.9%	0.04%	+0.00
TSN Tyson Foods Inc. Class A	Add +2.0%	0.02%	+0.00
LESLIES INC	Add +29.1%	0.00%	−0.00
ZNTL Zentalis Pharmaceuticals Inc.	Add +1.5%	0.00%	−0.00
KEX Kirby Corp.	Add +0.8%	0.02%	−0.00
WEX Wex Inc.	Add +8.1%	0.04%	−0.00
TROX Tronox Holdings PLC	Add +4.1%	0.01%	−0.00

All Filings

Quarter	Positions	13F Reported Value	Top Holdings
Q2 2026	324	$169.1B	MU, LLY, INTC, KLAC, GOOGL
Q1 2026	320	$127.0B	LLY, MU, GOOGL, AZN, KLAC
Q4 2025	319	$132.1B	LLY, MU, GOOGL, MSFT, KLAC
Q3 2025	327	$130.6B	LLY, MU, MSFT, GOOGL, KLAC
Q2 2025	333	$126.2B	LLY, MSFT, KLAC, MU, BSX
Q1 2025	335	$121.0B	LLY, AMGN, BSX, MSFT, KLAC
Q4 2024	329	$129.1B	LLY, MSFT, FDX, AMGN, BSX
Q3 2024	336	$136.0B	LLY, AMGN, MSFT, KLAC, MU
Q2 2024	332	$138.1B	LLY, MU, KLAC, AMGN, MSFT
Q1 2024	335	$134.1B	LLY, MU, MSFT, AMGN, KLAC