We exploit the merger between BlackRock and Barclays Global Investors to study how changes in expected ownership concentration affect the investment behavior of funds and the cross-section of stocks worldwide. We find that funds with open-end structures and a large exposure to commonly-held...

I quantify private benefits of control, and their impact on stock prices, by estimating a structural model of optimal shareholding using data on the ownership dynamics of Italian public companies. The results show that controlling shareholders generally have positive and persistent impact on...

We examine whether independent directors with multiple board affiliations (IDMAs) trade off the interests of one fund relative to another (fund favoritism) or whether they benefit fund shareholders by increasing the level of the board's expertise. Using a sample of mutual funds affiliated with...

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 compare the ownership characteristics of tobacco stocks with their peers in the same country and industry group. We find lower reported ownership for stocks in the tobacco industry, which suggests that anonymous investors are larger owners of these sin stocks. Compared to peer stocks, U.S....

We examine the influence of common ownership on commonalities in the information environment. Specifically, we study commonalities in financial statements and in the actions of key agents such as financial analysts and firm managers who contribute and respond to the information environment....

We examine the dynamic ownership structure of corporate bonds after initial issuance. We find that as bonds “season”, the market learns more about them. This learning leads to less concentrated bond ownership over time. Specifically, learning induces a shift in bond ownership from more...

Firms added to the S&P 500 index join a prestigious and exclusive club. They want to fit in the club, which creates a “keeping up with the Joneses” effect. Firms pay more attention to their index peers after inclusion and their investment, external financing, and payouts comove more with...

We examine how institutional ownership structure gives rise to limits to arbitrage through its impact on short-sale constraints. Stocks with lower, more concentrated, short-term, and less passive ownership exhibit lower lending supply, higher costs of shorting, and higher arbitrage risk. These...