This paper explores the idea that the increasing concentration of institutional ownership in equity markets makes stock prices more "fragile," i.e., more exposed to liquidity shocks to institutional investors. I argue that institutional stockholders with stricter redemption policies, who are...

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...

The main purpose of this paper is to investigate if hedge funds create abnormal risk-adjusted returns, both during bull and bear markets. The model applied is an extended multi-factor model. The dataset consists of hedge fund return series with data from a fifteen-year period ranging from 1994...

We find no evidence that hedge funds manipulate stock prices from 2011 to 2019, while confirming the stock price manipulation pattern previously documented between 2000 and 2010. Stocks held by hedge funds exhibit positive abnormal returns and then reversals at quarter-end in the earlier period;...

Financial intermediaries play a key role in the formation of asset prices. More specifically, the increasing importance of non-bank financial intermediaries has raised new questions about the risks that hedge funds pose to the financial system. We focus on the role that changes in hedge fund...

Regulator-required public disclosures of net short positions do not provide a profitable investment signal for UK stocks. While long-short (zero initial outlay) portfolios based on this signal usually make a profit on average, it is rarely statistically significant in either gross or...