In this frenzied environment, here are four developments in private equity (PE) that companies should watch for. : Private equity investors are awash in cash, with buyout funds sitting on a record $600 billion in uninvested capital, according to research firm Preqin. “There probably hasn’t been a better time to exit your business in the last 20 years,” said Scott Paton, managing director and head of Financial Sponsors Group at SunTrust Robinson Humphrey.