PRIMECAP Management's top holdings (September 2025) include Lilly(Eli) & Co (LLY), a global pharmaceutical company focused on developing and marketing medicines.

PRIMECAP Management is an investment advisory firm based in Pasadena, California. The firm specializes in managing equity portfolios for institutions and individuals, focusing on a long-term, fundamental approach to investing. Their strategy typically involves identifying companies with strong growth potential.

Lilly(Eli) & Co (LLY)

Lilly(Eli) & Co is a global pharmaceutical company that discovers, develops, manufactures, and markets pharmaceutical products worldwide. The company's portfolio includes treatments for diabetes, oncology, immunology, and neuroscience, serving millions of patients globally.
The company commands a market capitalization of $693.36B, and PRIMECAP Management's position in LLY is currently valued at $8.9B. Analysts have set a price target of $822.5 for the company. Furthermore, a discounted cash flow analysis for Lilly(Eli) & Co suggests a value of $478.37 per share.
Here's an overview of PRIMECAP Management's trades in Lilly(Eli) & Co:

Sony Corporation (SNE)

Sony Corporation is a multinational conglomerate known for its diverse portfolio spanning consumer electronics, gaming (PlayStation), entertainment (motion pictures, music, television), and financial services. The company's products and services are recognized globally, catering to a broad consumer and business market.
The current value of PRIMECAP Management's holding in Sony Corporation stands at $7.5B.
Here's an overview of PRIMECAP Management's trades in Sony Corporation:

Microsoft Corporation (MSFT)

Microsoft Corporation is a leading global technology company that develops, licenses, and supports a wide range of software products, services, and devices. Its offerings include operating systems, productivity applications, cloud services like Azure, gaming consoles (Xbox), and personal computing devices.
Microsoft Corporation has a substantial market capitalization of $3.77T, with this holding in PRIMECAP Management's portfolio currently worth $4.62B. Analysts frequently provide price targets for Microsoft, with one assessment at $612.75. Additionally, the discounted cash flow value for Microsoft is estimated at $387.56 per share.
Here's an overview of PRIMECAP Management's trades in Microsoft Corporation:

KLA Corp. (KLAC)

KLA Corp. provides process control and yield management solutions for the semiconductor and related nanoelectronics industries. The company's products and services are critical for inspecting and measuring wafers during chip manufacturing, ensuring high quality and efficiency.
The company's market cap is $115.07B, and PRIMECAP Management's position in KLA Corp. is currently valued at $3.91B. A consensus analyst price target for KLA Corp. is $860.0. The discounted cash flow value for KLA Corp. is $752.31 per share.
Here's an overview of PRIMECAP Management's trades in KLA Corp.:

Micron Technology Inc. (MU)

Micron Technology Inc. is a global leader in memory and storage solutions, including dynamic random-access memory (DRAM), NAND flash, and NOR flash memory. These products are essential components in various devices, from computers and mobile phones to data centers and automotive systems.
With a market capitalization of $133.19B, the current value of PRIMECAP Management's holding in Micron Technology Inc. is $3.74B. Analysts have assigned a price target of $150.0 for Micron. A discounted cash flow analysis for the company suggests a value of -$25.05 per share.
Here's an overview of PRIMECAP Management's trades in Micron Technology Inc.: