Performance dispersion is real, and it’s not limited to just asset managers. : In the investment management business, Performance Dispersion refers to the size of the gap between the best and the worst asset managers within a peer group. There’s an equally, if not more challenging variant of Performance Dispersion at work in the wealth management business. It exists across the range of investment and other solutions that are available to wealth advisors and their clients. The gaps between the best and the worst solutions in a given category are often sizable and hard to see.