Each year, Dimensional analyzes returns from a large sample of US-based mutual funds. Our objective is to assess the performance of mutual fund managers relative to benchmarks.* This year’s study updates results through 2018. The evidence shows that a majority of fund managers in the sample failed to deliver benchmark-beating returns after costs. We believe that the results of this research provide a strong case for relying on market prices when making investment decisions. This is a really good video on Mutual Fund Landscape from Dimensional. Also click below for full report.