According to new data from Cambridge Associates, net LP returns for US VC funds are up for the 1, 3, 5, 10, 15 and 20 year periods. Respectively, those returns are: 1-year, 8.89 percent; 3-year, 13.52 percent; 5-year, 5.68 percent; 10-year, 7.8 percent;  15-year, 22.79 percent; and  20-year, 30.07 percent. [Source: Cambridge]