Using comprehensive quarterly data on hedge fund stock holdings, we study the role of hedge funds in the process of stock price formation. We find that hedge funds tend to hold undervalued stocks, and that both hedge fund ownership and their trades are positively related to the degree of stock...

Using a new dataset of hedge fund returns from separate accounts on the Lyxor platform, we examine the costs and advantages of the greater liquidity of the Lyxor platform verses those of the associated main hedge funds. Lyxor accounts are traded pari passu with the main fund but provide superior...

We investigate how information choices impact equity returns and risk. Building on an existing theoretical model of information and investment choice, we estimate a learning index that reflects the expected benefits of learning about an asset. High learning index stocks have lower future returns...