We document that institutional investors, and particularly hedge funds, increased their holdings of smaller stocks from 1980 to 2010 and decreased their holdings of larger stocks. As of 1990 institutions began to underweight, relative to market weights, those stocks that make up the largest 40...

The growth and popularity of defined contribution pensions, along with the government's increasing attention to retirement plan costs and investment choices provided, make it important to understand how people select their retirement plan investments. This paper shows how employees in a large...