This Article offers the first general examination of mutual fund capital structure regulation under the Investment Company Act of 1940. Such an examination is long overdue, because American mutual funds collectively hold $12 trillion in assets—about as much as the commercial banking...

This Article offers a broad theory of what distinguishes investment funds from ordinary companies, with ramifications for how these funds are understood and regulated. The central claim is that investment funds (i.e., mutual funds, hedge funds, private equity funds and their cousins) are...