We examine the impact of ETF ownership on the commonality in liquidity of underlying stocks, while controlling for other institutional ownership. Analyses using aggregate stock-level ETF ownership and common ETF ownership at the stock-pair level indicate that ETF ownership significantly...

Using a comprehensive dataset of hedge fund 13F filings, we analyze hedge fund trading from 1998-2010 to determine if investor redemptions cause fire sales and stock market disruptions. We find evidence of hedge fund fire sales in the two quarters with the worst stock market performance. During...