Mutual fund flows respond significantly to the return gap, which captures information about unobserved actions of mutual funds and predicts future performance. The sensitivity of fund flows to the return gap is: (i) strong and positive; (ii) increasing with investor sophistication; (iii) highly nonlinear; and (iv) decreasing with the informativeness of past fund returns. On average, the response of investors to the return gap enhances their performance. Our findings suggest there is a sophisticated mass of investors who can distinguish good from bad managers using information that may not be directly inferred from standard performance indicators.

We investigate the risk‐adjusted performance of the aggregate equity holdings and trades of 13,807 active mutual funds located in 16 countries between 2001 and 2014. Using portfolio sorts, we find weak evidence that institutional holdings exhibit positive subsequent risk‐adjusted returns. However, any outperformance is unlikely to stem from short‐term informational advantage: stocks bought do not outperform stocks sold in the subsequent quarter. This finding is robust to regressions of subsequent stock returns on changes in institutional ownership and holds for different measurements of institutional trading.

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