PRIMECAP Management

PRIMECAP Management

PRIMECAP Management is tracked through public portfolio filings, disclosed holdings, and institutional investment activity. This PRIMECAP Management portfolio page tracks PRIMECAP Management holdings, stock picks, latest portfolio moves, and historical 13F filing changes so readers can see which public companies PRIMECAP Management owns and how disclosed positions change over time. PRIMECAP Management's public portfolio can help investors study position sizing, sector exposure, concentration, new buys, trims, exits, and the market themes behind reported capital allocation decisions. Top disclosed holdings and portfolio changes shown on this page include Astrazeneca PLC (AZN), Unmapped 13F security (PORTFOLIO), Eli Lilly and Company Common Stock (LLY), Boston Scientific Corp (BSX), and Microsoft Corp (MSFT). Investors use PRIMECAP Management 13F filings to study portfolio concentration, new buys, trims, exits, sector exposure, and the market evidence behind the latest disclosed holdings.

Latest Trades

CompanyValueActionChangePriceCurrent Price
Astrazeneca PLCAZN$3.6B18.2M sharesOtherQ1 2026 13F$3.6B$196.81$181.55
PRIMECAP Management exit Unmapped 13F securityPORTFOLIO$-3.4BExitQ1 2026 13F$3.4B----
Eli Lilly and Company Common StockLLY$8.5B9.2M sharesTrimQ1 2026 13F$1.5B$1,013.80$1,206.51
Boston Scientific CorpBSX$2.0B32.5M sharesTrimQ1 2026 13F$924M$71.92$48.70
Microsoft CorpMSFT$2.7B7.3M sharesTrimQ1 2026 13F$835M$418.44$372.97
Tesla IncTSLA$2.3B6.1M sharesTrimQ1 2026 13F$564M$411.95$379.71
Intel CorpINTC$3.3B75.8M sharesAddQ1 2026 13F$534M$45.84$131.65
FedEx CorporationFDX$3.0B8.3M sharesAddQ1 2026 13F$498M$295.96$316.83
ConocoPhillips Common StockCOP$1.5B11.6M sharesAddQ1 2026 13F$445M$117.69$118.89
Alibab Group Holding Limited ADR each rep 8 ordinary shares - 25 sharesBABA$2.3B18.7M sharesTrimQ1 2026 13F$433M$140.51$120.07
Alphabet IncGOOGL$4.3B15M sharesTrimQ1 2026 13F$425M$314.21$337.39
Oracle CorporationORCL$835M5.7M sharesTrimQ1 2026 13F$341M$151.95$148.68
United Airlines Holdings IncUAL$1.5B15.8M sharesTrimQ1 2026 13F$337M$100.46$105.32
Ross Stores IncROST$2.0B9.2M sharesAddQ1 2026 13F$328M$206.14$227.42
Micron Technology IncMU$7.4B21.9M sharesAddQ1 2026 13F$313M$391.72$1,048.51
QUALCOMM IncQCOM$91M705.6k sharesTrimQ1 2026 13F$309M$145.96$197.41
Amazon.com IncAMZN$2.5B12.1M sharesTrimQ1 2026 13F$307M$220.17$232.69
Sony Group CorporationSONY$1.2B58.5M sharesTrimQ1 2026 13F$281M$21.58$20.33
Intuit Inc. - Common StockINTU$463M1.1M sharesTrimQ1 2026 13F$237M$476.99$262.24
American Airlines Group, Inc. (AAl)AAL$526M49M sharesTrimQ1 2026 13F$225M$13.25$14.92
Baidu, Inc. - American Depositary Shares, each representing 8 ordinary share (BIDU)BIDU$1.2B11.1M sharesTrimQ1 2026 13F$219M$135.60$129.91
Thermo Fisher Scientific IncTMO$974M2M sharesTrimQ1 2026 13F$218M$542.70$492.20
NVIDIA CorporationNVDA$3.0B17.2M sharesTrimQ1 2026 13F$215M$183.46$192.53
PRIMECAP Management add Unmapped 13F securityPORTFOLIO$815M6.8M sharesAddQ1 2026 13F$209M$120.55--
Amgen IncAMGN$3.1B8.9M sharesAddQ1 2026 13F$208M$366.00$350.53
PRIMECAP Management trim Unmapped 13F securityPORTFOLIO$182M1.8M sharesTrimQ1 2026 13F$202M$101.95--
Corning IncGLW$562M4.1M sharesAddQ1 2026 13F$200M$136.58$187.54
Southwest Airlines CoLUV$1.8B47.1M sharesTrimQ1 2026 13F$190M$37.57$43.68
Visa IncV$1.2B4.1M sharesTrimQ1 2026 13F$179M$313.35$336.23
Bristol-Myers Squibb CoBMY$1.5B25M sharesAddQ1 2026 13F$174M$60.07$55.57
Alphabet Cl CGOOG$1.6B5.7M sharesTrimQ1 2026 13F$167M$314.16$334.69
PRIMECAP Management add Unmapped 13F securityPORTFOLIO$423M37.5M sharesAddQ1 2026 13F$166M$11.27--
Wells Fargo & CoWFC$615M7.7M sharesTrimQ1 2026 13F$164M$82.03$83.82
JPMorgan Chase & Co.JPM$1.0B3.4M sharesTrimQ1 2026 13F$161M$303.48$333.45
Mattel, Inc. (MAT)MAT$432M29.7M sharesTrimQ1 2026 13F$160M$14.53$14.90
GSK plc American Depositary SharesGSK$1.4B25.2M sharesAddQ1 2026 13F$159M$56.31$50.64
Boeing CoBA$158M795.9k sharesAddQ1 2026 13F$156M$227.72$215.92
MongoDB IncMDB$206M842.7k sharesTrimQ1 2026 13F$150M$244.77$294.46
Raymond James Financial IncRJF$1.4B9.3M sharesTrimQ1 2026 13F$147M$144.79$145.40
Analog Devices IncADI$998M3.1M sharesAddQ1 2026 13F$146M$328.35$413.16
Adobe Inc.ADBE$1.1B4.7M sharesTrimQ1 2026 13F$137M$260.52$244.99
Texas Instruments IncTXN$1.9B9.7M sharesAddQ1 2026 13F$125M$202.46$290.90
Schwab (Charles) CorpSCHW$2.2B23.4M sharesTrimQ1 2026 13F$122M$98.07$88.08
Chevron Corporation Common StockCVX$474M2.3M sharesAddQ1 2026 13F$120M$182.35$171.06
GITLAB INCGTLB$158M7.3M sharesAddQ1 2026 13F$114M$21.64$26.52
Caterpillar, Inc. Common StockCAT$618M872.3k sharesAddQ1 2026 13F$114M$723.66$915.64
Novartis AG Common StockNVS$1.2B7.6M sharesAddQ1 2026 13F$111M$158.28$146.42
Jabil IncJBL$872M3.3M sharesAddQ1 2026 13F$109M$260.25$363.95
The Walt Disney CoDIS$601M6.2M sharesTrimQ1 2026 13F$109M$105.69$98.87
Biogen IncBIIB$2.7B14.8M sharesAddQ1 2026 13F$108M$179.89$196.97
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