Prometheus Labs Files for IPO

Prometheus Laboratories Inc., a San Diego-based pharmaceutical company, has filed an initial public offering with the Securities and Exchange Commission. VentureWire also reported that Prometheus plans to sell up to $100 million in common stock. Details about the number of shares offered and estimated price range for the IPO were not disclosed. According to the SEC filing, DLJ Merchant Banking Partners III LP holds a 21.4 percent pre-IPO stake in Prometheus, Split Rock Partners LLC holds a 17.4 percent stake, New Leaf Ventures holds 12.5 percent, Apax Partners and Wachovia Capital Partners both hold 11 percent, and Brentwood Venture Capital has a 7.5 percent stake.