The document summarizes the 2015 Tech IPO Pipeline Report from CB Insights. It provides statistics on the 588 private technology companies in the 2015 Tech IPO Pipeline, including that they have raised $64.27B total, with $24B in 2014 alone. It also notes that 42 companies have valuations over $1B, up from 25 in 2014. Finally, it lists the top investors like Sequoia Capital, Andreessen Horowitz, and Accel Partners that have the most companies in the billion dollar valuation club.