Holding 20 individual stocks is generally not considered too many; in fact, portfolio managers and financial experts often view a count of 20 to 30 well-chosen equities across diverse sectors as an optimal range for achieving effective stock-level diversification. This quantity helps mitigate company-specific idiosyncratic risk without diluting overall portfolio returns. However, managing 20 distinct positions requires adequate time for continuous fundamental research, monitoring quarterly earnings, and tracking structural industry developments.