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Common Ownership: Do Managers Really Compete Less?, Merritt B. Fox, Manesh S. Patel

Faculty Scholarship

This Article addresses an important question in modern antitrust: when large investment funds have holdings across an industry, is competition depressed?

The question of the impact of common ownership on competition has gained much attention as the role of institutional shareholding has grown, with the funds of the three largest management companies holding in aggregate approximately 21% of the shares of a typical S&P 500 firm. It is a source of acute disagreement among scholars and policymakers, with some who believe common ownership does depress competition seeking antitrust law reforms that would significantly constrain how investment funds operate. Neglected in …