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.

History Trades

CompanyValueActionChangePriceCurrent Price
Micron Technology IncMU$2.1BAddQ4 2025 13F$2.1B$229.44$1,048.51
Eli Lilly and Company Common StockLLY$1.7BAddQ4 2025 13F$1.7B$956.19$1,206.51
Oracle CorporationORCL$-943.9MTrimQ4 2025 13F$944M$237.10$148.68
Alphabet IncGOOGL$899.7MAddQ4 2025 13F$900M$285.73$337.39
Microsoft CorpMSFT$-820.9MTrimQ4 2025 13F$821M$501.12$372.97
Alibab Group Holding Limited ADR each rep 8 ordinary shares - 25 sharesBABA$-790.8MTrimQ4 2025 13F$791M$160.95$120.07
Chevron Corporation Common StockCVX$-633.7MTrimQ4 2025 13F$634M$152.30$171.06
Biogen IncBIIB$502.4MAddQ4 2025 13F$502M--$196.97
Amazon.com IncAMZN$476.7MAddQ4 2025 13F$477M$228.79$232.69
Wells Fargo & CoWFC$-472.0MTrimQ4 2025 13F$472M$88.54$83.82
Southwest Airlines CoLUV$427.2MAddQ4 2025 13F$427M--$43.68
Sony Group CorporationSONY$-362.8MTrimQ4 2025 13F$363M$25.82$20.33
Bristol-Myers Squibb CoBMY$345.3MAddQ4 2025 13F$345M$51.31$55.57
PRIMECAP Management add Unmapped 13F securityPORTFOLIO$3.4B36.9M sharesAddQ4 2025 13F$336M$91.93--
PRIMECAP Management trim Unmapped 13F securityPORTFOLIO$826M8.7M sharesTrimQ4 2025 13F$332M$95.33--
KLA CorpKLAC$-318.5MTrimQ4 2025 13F$319M--$2,108.06
Alphabet Cl CGOOG$316.1MAddQ4 2025 13F$316M$286.47$334.69
Texas Instruments IncTXN$-313.9MTrimQ4 2025 13F$314M$171.26$290.90
Synopsys IncSNPS$302.2MAddQ4 2025 13F$302M$443.79$454.38
Schwab (Charles) CorpSCHW$300.7MAddQ4 2025 13F$301M$94.87$88.08
PRIMECAP Management add Unmapped 13F securityPORTFOLIO$574M3.2M sharesAddQ4 2025 13F$293M$177.94--
NVIDIA CorporationNVDA$-288.4MTrimQ4 2025 13F$288M$186.14$192.53
Marsh & McLennan Companies IncMRSH$-270.9MTrimQ4 2025 13F$271M--$159.53
Boston Scientific CorpBSX$-266.7MTrimQ4 2025 13F$267M$97.31$48.70
FedEx CorporationFDX$232.4MAddQ4 2025 13F$232M--$316.83
TransDigm Group IncTDG$-226.0MTrimQ4 2025 13F$226M$1,310.75$1,206.28
Meta Platforms IncMETA$-221.7MTrimQ4 2025 13F$222M$667.77$585.39
Royal Caribbean Cruises Ltd. Common StockRCL$-219.7MTrimQ4 2025 13F$220M$278.92$272.00
BeOne Medicines Ltd.ONC$-217.8MTrimQ4 2025 13F$218M--$268.20
Teradyne IncTER$-212.5MTrimQ4 2025 13F$212M--$374.69
The Bank of New York Mellon CorpBK$205.4MAddQ4 2025 13F$205M$115.95$140.01
Glaukos CorporationGKOS$197.5MAddQ4 2025 13F$197M--$109.88
Booz Allen Hamilton Holding Corporation Common StoBAH$195.4MAddQ4 2025 13F$195M--$79.23
American Airlines Group, Inc. (AAl)AAL$193.2MAddQ4 2025 13F$193M$13.49$14.92
MarketAxess Holdings IncMKTX$186.9MAddQ4 2025 13F$187M--$130.94
Delta Air Lines IncDAL$182.8MAddQ4 2025 13F$183M--$92.57
Amgen IncAMGN$175.2MAddQ4 2025 13F$175M$345.42$350.53
NetApp IncNTAP$-169.7MTrimQ4 2025 13F$170M--$142.74
Comerica IncorporatedCMA$-169.0MTrimQ4 2025 13F$169M--$88.67
Raymond James Financial IncRJF$-164.7MTrimQ4 2025 13F$165M--$145.40
Novartis AG Common StockNVS$-153.0MTrimQ4 2025 13F$153M--$146.42
Textron Inc. Common StockTXT$-146.9MTrimQ4 2025 13F$147M$86.85$92.32
Baidu, Inc. - American Depositary Shares, each representing 8 ordinary share (BIDU)BIDU$-145.2MTrimQ4 2025 13F$145M$124.12$129.91
Intel CorpINTC$145.2MAddQ4 2025 13F$145M$37.76$131.65
Netflix IncNFLX$141.9MAddQ4 2025 13F$142M$107.81$82.64
Ross Stores IncROST$141.6MAddQ4 2025 13F$142M--$227.42
Fair Isaac CorporationFICO$141.1MAddQ4 2025 13F$141M$1,748.43$1,207.34
Albemarle CorpALB$132.8MAddQ4 2025 13F$133M--$149.84
Linde PLCLIN$122.9MAddQ4 2025 13F$123M$429.91$501.92
GSK plc American Depositary SharesGSK$120.3MAddQ4 2025 13F$120M--$50.64
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PRIMECAP Management History Trades | TradingNote