Primecap Management Co.

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

In its 13F for Q1 2025 (holdings as of March 31, 2025, filed May 9, 2025), Primecap Management Co. reported 335 stock positions worth $121.0 billion. Its top holding was Eli Lilly (LLY) at 10.1% of the portfolio, followed by Amgen (AMGN, 3.2%) and Boston Scientific (BSX, 3.0%). Compared with Q4 2024, it opened 11 new positions, sold out of 6, added to 65 and reduced 234. The biggest buy was Schwab (charles) (SCHW, shares +229%) and the biggest sale Tesla (TSLA, shares −6%).

Most Recent 13F: Q2 2026
Location: PASADENA, CA
CIK: 0000763212
Portfolio Value: $121.0B (Q1 2025)
SEC Filing: 0001085146-25-002901 ↗ filed May 9, 2025

Holdings Value

Holdings 335 stocks · $121.0B


LLY Eli Lilly & Co.	10.09%	14,779,770	$12.2B	Reduce -11.8%
AMGN Amgen Inc.	3.19%	12,388,295	$3.9B	Reduce -4.7%
BSX Boston Scientific Corp.	3.04%	36,496,946	$3.7B	Reduce -1.2%
MSFT Microsoft Corp.	2.82%	9,086,990	$3.4B	Reduce -4.8%
KLAC KLA Corp.	2.74%	4,877,009	$3.3B	Reduce -5.9%
MU Micron Technology Inc.	2.68%	37,280,768	$3.2B	Reduce -0.8%
AZN Astrazeneca PLC-Spons ADR	2.47%	40,661,485	$3.0B	Reduce -0.9%
FDX FedEx Corp.	2.40%	11,931,800	$2.9B	Reduce -3.7%
BABA Alibaba Group Holding-SP ADR	2.25%	20,623,697	$2.7B	Reduce -6.1%
GOOGL Alphabet Inc. Class A	2.10%	16,387,934	$2.5B	Reduce -3.6%
TXN Texas Instruments Inc.	2.08%	13,991,539	$2.5B	Reduce -2.6%
SONY Sony Group Corp. - SP ADR	1.97%	93,959,475	$2.4B	Reduce -7.9%
NVDA Nvidia Corp.	1.84%	20,547,000	$2.2B	Reduce -3.5%
BIIB Biogen Inc.	1.80%	15,943,259	$2.2B	Reduce -0.6%
ADBE Adobe Inc.	1.72%	5,421,591	$2.1B	Reduce -1.2%
TSLA Tesla Inc.	1.52%	7,082,210	$1.8B	Reduce -6.3%
INTC Intel Corp.	1.45%	76,984,290	$1.7B	Reduce -0.1%
GOOG Alphabet Inc. Class C	1.41%	10,895,645	$1.7B	Reduce -4.3%
LUV Southwest Airlines Co.	1.38%	49,688,308	$1.7B	Add +1.6%
WFC Wells Fargo & Co.	1.30%	21,902,649	$1.6B	Reduce -14.2%
ORCL Oracle Corp.	1.25%	10,777,275	$1.5B	Reduce -11.3%
UAL United Airlines Holdings Inc.	1.24%	21,799,645	$1.5B	Reduce -3.9%
TJX TJX Companies Inc. filed as TJX COS INC NEW	1.18%	11,701,067	$1.4B	Reduce -2.5%
BMY Bristol-Myers Squibb Co.	1.16%	22,970,633	$1.4B	Add +0.9%
ONC Beone Medicines Ltd.-ADR filed as BEIGENE LTD	1.14%	5,055,504	$1.4B	Reduce -0.8%
V Visa Inc. Class A	1.12%	3,873,280	$1.4B	Reduce -2.3%
RJF Raymond James Financial Inc.	1.12%	9,718,689	$1.4B	Reduce -15.3%
ROST Ross Stores Inc.	1.08%	10,216,935	$1.3B	Reduce -1.4%
BMRN Biomarin Pharmaceutical Inc.	1.04%	17,773,281	$1.3B	Reduce -2.3%
JPM JPMorgan Chase & Co.	1.02%	5,048,380	$1.2B	Reduce -5.1%
FLEX Flex Ltd.	0.99%	36,124,847	$1.2B	Reduce -7.8%
NVS Novartis AG-Sponsored ADR	0.96%	10,382,879	$1.2B	Reduce -5.8%
TMO Thermo Fisher Scientific Inc.	0.95%	2,317,302	$1.2B	Reduce -7.5%
HES Hess Corp.	0.94%	7,130,375	$1.1B	Reduce -8.2%
BIDU Baidu Inc. - Spon ADR	0.91%	11,946,336	$1.1B	Reduce -1.4%
SCHW Schwab (charles) Corp.	0.91%	14,002,078	$1.1B	Add +229.3%
AMZN Amazon.com Inc.	0.87%	5,513,930	$1.0B	Add +0.3%
NTAP Netapp Inc.	0.84%	11,502,090	$1.0B	Reduce -5.9%
GSK GSK PLC-Spon ADR	0.82%	25,708,020	$995.9M	Add +1.8%
ACM Aecom	0.78%	10,148,730	$941.1M	Reduce -10.8%
DAL Delta Air Lines Inc.	0.77%	21,407,647	$933.4M	Reduce -2.4%
INTU Intuit Inc.	0.70%	1,384,565	$850.1M	Reduce -3.9%
XOM Exxon Mobil Corp.	0.61%	6,214,344	$739.1M	Reduce -4.7%
RCL Royal Caribbean Cruises Ltd.	0.60%	3,548,768	$729.1M	Reduce -16.9%
TDG Transdigm Group Inc.	0.59%	512,844	$709.4M	Reduce -0.1%
ADI Analog Devices Inc.	0.58%	3,477,645	$701.3M	Reduce -1.3%
MAT Mattel Inc.	0.56%	35,150,671	$683.0M	Reduce -3.7%
MRSH Marsh & McLennan Cos	0.54%	2,687,926	$655.9M	Reduce -1.6%
NTRS Northern Trust Corp.	0.53%	6,523,009	$643.5M	Reduce -2.9%
AAL American Airlines Group Inc.	0.53%	60,445,097	$637.7M	Add +0.4%
DIS The Walt Disney Co. filed as DISNEY WALT CO	0.51%	6,194,424	$611.4M	Reduce -1.6%
HPQ HP Inc.	0.49%	21,622,895	$598.7M	Reduce -1.3%
QCOM Qualcomm Inc.	0.48%	3,754,032	$576.7M	Reduce -9.9%
J Jacobs Solutions Inc.	0.47%	4,653,442	$562.6M	Reduce -8.9%
ZBH Zimmer Biomet Holdings Inc.	0.44%	4,682,970	$530.0M	Reduce -2.4%
ELAN Elanco Animal Health Inc.	0.44%	50,223,535	$527.3M	Reduce -1.8%
META Meta Platforms Inc. Class A	0.43%	908,910	$523.9M	Add +23.5%
COP Conocophillips	0.41%	4,748,140	$498.6M	Add +3.1%
AAPL Apple Inc.	0.41%	2,217,600	$492.6M	Reduce -2.3%
CME Cme Group Inc.	0.40%	1,831,920	$486.0M	Reduce -1.8%
JBL Jabil Inc.	0.38%	3,385,760	$460.7M	Reduce -5.2%
CAT Caterpillar Inc.	0.38%	1,379,485	$455.0M	Reduce -3.2%
HPE Hewlett Packard Enterprise	0.36%	27,968,950	$431.6M	Reduce -3.2%
WHR Whirlpool Corp.	0.34%	4,619,526	$416.4M	Reduce -1.1%
BAC Bank of America Corp. filed as BANK AMERICA CORP	0.34%	9,922,932	$414.1M	Reduce -1.0%
PYPL PayPal Holdings Inc.	0.32%	5,973,810	$389.8M	Add +0.5%
GLW Corning Inc.	0.31%	8,251,772	$377.8M	Reduce -0.9%
KMX Carmax Inc.	0.31%	4,769,306	$371.6M	Reduce -6.1%
PGR Progressive Corp.	0.31%	1,310,760	$371.0M	Reduce -5.2%
BNTX Biontech SE-ADR	0.30%	4,046,425	$368.5M	Reduce -5.8%
AMAT Applied Materials Inc.	0.29%	2,454,370	$356.2M	Reduce -5.5%
ERIC Ericsson (lm) Tel-SP ADR filed as TELEFONAKTIEBOLAGET LM ERICS	0.29%	45,813,999	$355.5M	Reduce -1.0%
ASML ASML Holding NV-NY Reg SHS	0.29%	530,609	$351.6M	Reduce -2.9%
UNP Union Pacific Corp.	0.29%	1,483,680	$350.5M	Reduce -0.9%
CSCO Cisco Systems Inc.	0.28%	5,524,530	$340.9M	Reduce -0.3%
TXT Textron Inc.	0.28%	4,685,635	$338.5M	Reduce -3.9%
EOG EOG Resources Inc.	0.27%	2,543,062	$326.1M	Reduce -1.3%
NXT Nextpower Inc. filed as NEXTRACKER INC	0.26%	7,592,594	$320.0M	Reduce -1.4%
SYY Sysco Corp.	0.26%	4,115,071	$308.8M	Reduce -5.1%
RYTM Rhythm Pharmaceuticals Inc.	0.25%	5,787,322	$306.6M	Reduce -11.9%
XPEV Xpeng Inc. - ADR	0.25%	14,383,785	$298.0M	Reduce -8.3%
MKTX Marketaxess Holdings Inc.	0.24%	1,361,512	$294.6M	Reduce -0.6%
DLTR Dollar Tree Inc.	0.24%	3,912,835	$293.7M	Reduce -1.6%
TRMB Trimble Inc.	0.23%	4,310,306	$283.0M	Reduce -2.6%
OLED Universal Display Corp.	0.21%	1,835,722	$256.0M	Add +2.1%
UPS United Parcel Service Class B	0.21%	2,305,591	$253.6M	Reduce -17.3%
ALB Albemarle Corp.	0.20%	3,332,284	$240.0M	Reduce -0.5%
ENTG Entegris Inc.	0.20%	2,735,864	$239.3M	Reduce -4.8%
CW Curtiss-Wright Corp.	0.19%	740,180	$234.8M	Reduce -4.0%
NTNX Nutanix Inc. Class A	0.19%	3,312,903	$231.3M	Reduce -8.5%
MA Mastercard Inc. Class A	0.19%	419,070	$229.7M	Reduce -0.1%
TW Tradeweb Markets Inc. Class A	0.19%	1,526,890	$226.7M	Reduce -1.7%
FLUT Flutter Entertainment PLC-Di	0.17%	952,109	$210.9M	New
C Citigroup Inc.	0.17%	2,875,955	$204.2M	Reduce -0.4%
CVS CVS Health Corp.	0.16%	2,916,505	$197.6M	Reduce -2.7%
DD Dupont DE Nemours Inc.	0.16%	2,556,792	$190.9M	Reduce -0.9%
ILMN Illumina Inc.	0.16%	2,370,949	$188.1M	Reduce -3.5%
ALK Alaska Air Group Inc.	0.15%	3,802,750	$187.2M	Reduce -0.5%
OTIS Otis Worldwide Corp.	0.15%	1,803,131	$186.1M	Reduce -0.4%
AMTM Amentum Holdings Inc.	0.15%	10,061,589	$183.1M	Add +56.9%

Show all 335 holdings

Portfolio Sells Q4 2024 → Q1 2025


TSLA Tesla Inc.	Reduce -6.3%	1.52%	−0.85
UAL United Airlines Holdings Inc.	Reduce -3.9%	1.24%	−0.46
GOOGL Alphabet Inc. Class A	Reduce -3.6%	2.10%	−0.40
NVDA Nvidia Corp.	Reduce -3.5%	1.84%	−0.37
ORCL Oracle Corp.	Reduce -11.3%	1.25%	−0.32
MSFT Microsoft Corp.	Reduce -4.8%	2.82%	−0.30
FDX FedEx Corp.	Reduce -3.7%	2.40%	−0.30
GOOG Alphabet Inc. Class C	Reduce -4.3%	1.41%	−0.27
RJF Raymond James Financial Inc.	Reduce -15.3%	1.12%	−0.26
NTAP Netapp Inc.	Reduce -5.9%	0.84%	−0.26
DAL Delta Air Lines Inc.	Reduce -2.4%	0.77%	−0.26
FLEX Flex Ltd.	Reduce -7.8%	0.99%	−0.18
ADBE Adobe Inc.	Reduce -1.2%	1.72%	−0.17
ACM Aecom	Reduce -10.8%	0.78%	−0.16
RCL Royal Caribbean Cruises Ltd.	Reduce -16.9%	0.60%	−0.16
ROST Ross Stores Inc.	Reduce -1.4%	1.08%	−0.13
BBWI Bath & Body Works Inc.	Reduce -78.4%	0.03%	−0.13
HPE Hewlett Packard Enterprise	Reduce -3.2%	0.36%	−0.12
ILMN Illumina Inc.	Reduce -3.5%	0.16%	−0.10
BIIB Biogen Inc.	Reduce -0.6%	1.80%	−0.10
WFC Wells Fargo & Co.	Reduce -14.2%	1.30%	−0.09
XMTR Xometry Inc. Class A	Reduce -2.5%	0.13%	−0.08
BNTX Biontech SE-ADR	Reduce -5.8%	0.30%	−0.07
WHR Whirlpool Corp.	Reduce -1.1%	0.34%	−0.07
NFE New Fortress Energy Inc.	Reduce -0.4%	0.09%	−0.06
J Jacobs Solutions Inc.	Reduce -8.9%	0.47%	−0.06
UPS United Parcel Service Class B	Reduce -17.3%	0.21%	−0.06
TER Teradyne Inc.	Reduce -1.9%	0.13%	−0.06
HPQ HP Inc.	Reduce -1.3%	0.49%	−0.06
TMO Thermo Fisher Scientific Inc.	Reduce -7.5%	0.95%	−0.06
ELAN Elanco Animal Health Inc.	Reduce -1.8%	0.44%	−0.04
AVGO Broadcom Inc.	Reduce -1.5%	0.13%	−0.04
A Agilent Technologies Inc.	Reduce -14.1%	0.15%	−0.04
DIS The Walt Disney Co.	Reduce -1.6%	0.51%	−0.04
ALK Alaska Air Group Inc.	Reduce -0.5%	0.15%	−0.04
AAPL Apple Inc.	Reduce -2.3%	0.41%	−0.03
AMAT Applied Materials Inc.	Reduce -5.5%	0.29%	−0.03
RYTM Rhythm Pharmaceuticals Inc.	Reduce -11.9%	0.25%	−0.03
FIS Fidelity National Info Serv	Reduce -36.2%	0.05%	−0.03
FORM Formfactor Inc.	Reduce -0.5%	0.07%	−0.03
ARM Arm Holdings PLC-ADR	Reduce -50.0%	0.02%	−0.03
ALB Albemarle Corp.	Reduce -0.5%	0.20%	−0.02
HUBS HubSpot Inc.	Reduce -46.6%	0.02%	−0.02
CAT Caterpillar Inc.	Reduce -3.2%	0.38%	−0.02
EVR Evercore Inc. Class A	Reduce -16.7%	0.04%	−0.02
ENTG Entegris Inc.	Reduce -4.8%	0.20%	−0.02
EA Electronic Arts Inc.	Reduce -32.8%	0.05%	−0.02
LIVN Livanova PLC	Reduce -3.1%	0.15%	−0.02
CCL Carnival Corp.	Reduce -1.7%	0.10%	−0.02
ALTR Altair Engineering Inc. Class A	Sold out	0.00%	−0.02

Portfolio Buys Q4 2024 → Q1 2025


SCHW Schwab (charles) Corp.	Add +229.3%	0.91%	+0.66
FLUT Flutter Entertainment PLC-Di	New	0.17%	+0.17
GSK GSK PLC-Spon ADR	Add +1.8%	0.82%	+0.16
BMY Bristol-Myers Squibb Co.	Add +0.9%	1.16%	+0.16
MDB Mongodb Inc.	Add +863.5%	0.13%	+0.11
LUV Southwest Airlines Co.	Add +1.6%	1.38%	+0.11
META Meta Platforms Inc. Class A	Add +23.5%	0.43%	+0.10
NKE Nike Inc. Class B	New	0.09%	+0.09
USFD US Foods Holding Corp.	Add +194.6%	0.11%	+0.07
COP Conocophillips	Add +3.1%	0.41%	+0.06
CMA Comerica Inc.	Add +228.8%	0.08%	+0.06
AMTM Amentum Holdings Inc.	Add +56.9%	0.15%	+0.05
SPOT Spotify Technology SA	Add +17.3%	0.12%	+0.04
VIK Viking Holdings Ltd.	New	0.03%	+0.03
EW Edwards Lifesciences Corp.	Add +12.5%	0.14%	+0.02
LIN Linde PLC	Add +2.1%	0.11%	+0.02
DHR Danaher Corp.	Add +875.7%	0.02%	+0.02
RVTY Revvity Inc.	Add +20.4%	0.10%	+0.02
IMNM Immunome Inc.	Add +1115.7%	0.02%	+0.02
PSN Parsons Corp.	New	0.02%	+0.02
NSC Norfolk Southern Corp.	Add +4.7%	0.14%	+0.02
PM Philip Morris International	Add +596.3%	0.02%	+0.02
OSIS Osi Systems Inc.	Add +12.3%	0.05%	+0.02
SNPS Synopsys Inc.	New	0.01%	+0.01
BA The Boeing Co.	Add +17.9%	0.05%	+0.01
TTWO Take-Two Interactive Softwre	Add +262.0%	0.01%	+0.01
OLED Universal Display Corp.	Add +2.1%	0.21%	+0.01
FMC FMC Corp.	New	0.01%	+0.01
CPRI Capri Holdings Ltd.	Add +10.6%	0.08%	+0.01
STX Seagate Technology Holdings	Add +9.0%	0.06%	+0.01
CVNA Carvana Co.	Add +13.8%	0.03%	+0.01
VSEC Vse Corp.	Add +14.9%	0.02%	+0.01
BRBR Bellring Brands Inc.	Add +11.9%	0.04%	+0.01
RNG Ringcentral Inc. Class A	Add +475.8%	0.01%	+0.01
MUSA Murphy USA Inc.	New	0.01%	+0.01
BAH Booz Allen Hamilton Holdings	New	0.01%	+0.01
WELL Welltower Inc.	New	0.01%	+0.01
IMCR Immunocore Holdings PLC-ADR	Add +0.4%	0.07%	+0.00
CSGP Costar Group Inc.	New	0.00%	+0.00
MOG.A Moog Inc. Class A	Add +13.6%	0.05%	+0.00
GTM Zoominfo Technologies Inc.	Add +7.3%	0.04%	+0.00
GFF Griffon Corp.	Add +15.4%	0.02%	+0.00
WMT Walmart Inc.	Add +41.7%	0.01%	+0.00
BURL Burlington Stores Inc.	Add +14.3%	0.10%	+0.00
AME Ametek Inc.	Add +0.1%	0.05%	+0.00
VVV Valvoline Inc.	New	0.00%	+0.00
WSC Willscot Holdings Corp.	Add +16.4%	0.02%	+0.00
IE Ivanhoe Electric Inc. / US	Add +21.9%	0.00%	0.00
JELD Jeld-Wen Holding Inc.	Add +3.2%	0.00%	−0.00
ULCC Frontier Group Holdings Inc.	Add +13.0%	0.00%	−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