IPOs of venture-backed companies increased to 22 companies raising $2.7 bln in Q2 2007, compared to 13 IPOs raising $1.2 bln in Q1 2007. The amount raised in venture-backed IPOs in Q2 2007 was the highest amount raised since Q3 2000 and the $3.9 bln raised in venture-backed IPOs in Q1 2007 and Q2 2007 surpassed the total amount raised through such activity in all of 2006, Fenwick & West survey says.