Proxy advisory firms and large passive mutual funds have faced criticism both for being too powerful and not exercising diligence in proxy voting. We document that the ``Big 3'' passive fund families, Blackrock, State Street, and Vanguard, are increasingly likely to vote with management, and...

We examine whether institutional investors' portfolio diversification affects corporate diversification and related practices. Estimating investor portfolio diversification using their holdings' return characteristics, we find a negative relationship between portfolio and corporate...

We examine how expertise of institutional investors (aka deft investors), based on the product market similarity of their 13F holdings, is related to asset prices. We find that portfolio similarity of investors is associated with returns both at the extensive and intensive margins. A long-short...

We examine the effects of institutional ownership on firms' information and trading environments using the annual Russell 1000/2000 index reconstitution. Characteristics of firms near the index cutoffs are similar, except that firms in the top of the Russell 2000 have discontinuously higher...