We show that a sample of 7,487 U.S. firms going public between 1975 and 2014 significantly underperforms mature firms in the first year after the IPO. Contrary to post-issue horizons of three to five years, the first-year underperformance cannot be explained by Carhart (1997) risk factor...

While there is a large literature documenting the profitability of momentum strategies, their implementation is afflicted with many difficulties. Most importantly, high turnover and costs to hold short positions, especially in small-cap stocks, result in high transaction costs. We restrict our...