PRIMECAP Management
PRIMECAP Management
PRIMECAP Management is a significant player in the investment management space, known for its strategic approach to portfolio management. The firm has a diverse portfolio, with notable positions in sectors like Technology and Healthcare, as evidenced by its recent disclosures. As of May 11, 2026, PRIMECAP's disclosed trading record shows a range of $3.6B to $8.5B, highlighting a pattern of position increases and reductions across various companies, including Astrazeneca PLC and Microsoft Corp.
Performance
Estimated 1Y return chains four quarterly returns using each quarter's disclosed 13F holdings and available quarter-end prices from Mar 30, 2025, 8:00 PM EDT through Mar 30, 2026, 8:00 PM EDT. Unpriced positions are excluded, price coverage is shown, and a missing 13F period is treated as an empty disclosed portfolio. Adjusted prices are used when available. It is not an official fund return.