Which of the following investment strategies might be best described as having low breadth plus relatively high capacity?

Select one: a. Small-cap equity manager, who takes large positions in 15-20 stocks

b. Global macro hedge fund, who takes big bets on broad asset classes and currencies

c. Fixed income manager, who attempts to buy the most attractive securities within each sub-segment of the fixed income market

d. Quant long-short equity hedge fund, who actively trades in large-cap global equities

e. Large-cap equity manager, who holds a broad portfolio that is actively traded