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...

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...