Flexibility in Your Investment Process

Dimensional’s Mark Gochnour, Head of Global Client Services, Wes Crill, Senior Client Solutions Director, and Jake DeKinder, Head of Client Communications, seek to answer one of investing’s most debated questions: how many stocks does an investor really need to own to reduce risk and improve long-term outcomes? While traditional financial research once suggested that owning 20 to 30 stocks captured most diversification benefits, today’s global markets may tell a very different story.

Added 28 May 2026