We show that when only a few investors contribute a substantial portion of a fund's equity, the probability of large liquidity-driven fund outflows increases because investors' idiosyncratic liquidity shocks are not diversified away. Using confidential regulatory filings, we find the five...

We show that when only a few investors contribute a substantial portion of a fund's equity, the probability of large liquidity-driven fund outflows increases because investors' idiosyncratic liquidity shocks are not diversified away. Using confidential regulatory filings, we find the five...

Hedge fund gross U.S. Treasury (UST) exposures doubled from 2018 to February 2020 to $2.4 trillion, primarily driven by relative value arbitrage trading and supported by corresponding increases in repo borrowing. In March 2020, amid unprecedented UST market turmoil, the average UST trading hedge...