PUBLIC POLICY

Common Ownership

Index investing has democratized access to diversified investments for millions of people, helping them achieve their long-term financial goals at a lower cost than ever before.

In recent years, some commentators have theorized that the “common ownership” of shares in competing firms within a concentrated industry may lead to anticompetitive effects. The research underpinning this theory employs faulty assumptions and problematic data and has been challenged by numerous experts. This page provides research and commentary by BlackRock and third parties addressing common ownership theories and related proposals.

The data package needed to replicate the sensitivity analysis challenging the empirical evidence underpinning these proposals is available here.

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Growing body of evidence questioning common ownership and highlighting benefits of diversified investment products

Papers underscoring importance of investor engagement and voting

Third party publications reflect the views of the authors and do not represent the views of BlackRock.