PRIMECAP Management Company

The firm runs a multi-counselor model where each of the five named portfolio managers — currently Theo Kolokotrones, Joel Fried, Alfred Mordecai, Mohsin Ansari, and James Marchetti — has complete autonomy over a dedicated sleeve of each portfolio. There is no central investment committee overriding individual stock picks. This structure means a holding in, for example, the PRIMECAP Odyssey Stock Fund can reflect the independent work of any one of the five managers.

PRIMECAP is an independent investment management company operating as a boutique asset manager. It runs a limited number of institutionally focused US equity mutual funds under the Odyssey Funds umbrella and manages separate accounts for a small institutional client base. It is not a private equity firm, despite being categorized as one in some databases.

The firm's website does not list any non-Odyssey products. It references managing 'a limited number of institutions and mutual funds,' suggesting separate institutional accounts exist, but details on those vehicles are not publicly disclosed. No hedge funds, SMAs, or private capital draws are advertised.

PRIMECAP’s philosophy rests on four explicit principles: commitment to fundamental research, a long-term investment horizon, emphasis on individual decision-making, and focus on value — buying companies at a discount to their assessed intrinsic worth. The firm describes its process as bottom-up selection, investing with a multi-year holding period and no requirement for consensus across the management team.

PRIMECAP is headquartered in Pasadena, California, where it has been based since its founding in 1983. Its fund administration address is in Milwaukee, Wisconsin, through its relationship with U.S. Bancorp Fund Services, but no other investment offices are disclosed.

Theo A. Kolokotrones co-founded the firm in September 1983. Before launching PRIMECAP, he spent six years at Capital Research Company — part of the Capital Group — most recently as a senior vice president. His earlier experience includes vice president and senior financial analyst roles at Smith Barney, Harris Upham and Company.

Joel P. Fried and Alfred W. Mordecai share the title of Co-Chief Executive Officer and both serve as portfolio managers. Theo Kolokotrones remains active as Chairman Emeritus and portfolio manager. The full five-person investment team has all been with the firm for at least 18 years.