Feb 15 (Reuters) - Quintiles Transnational Holdings Inc, thelargest provider of testing services to drugmakers, filed withU.S. regulators on Friday to raise up to $600 million in aninitial public offering of common stock.
The company, backed by private equity investors that includeBain Capital LLC and TPG Capital LP, did not reveal how manyshares the company planned to sell or their expected price.
Morgan Stanley, Barclays Plc and J.P. Morgan Chase & Cowould be the lead underwriters for the IPO.
Durham, North Carolina-based Quintiles did not reveal theexchange in which it wishes to list or its symbol.
The offering comes five years after Bain and TPG became leadinvestors in Quintiles in January 2008.
The amount of money a company says it plans to raise in itsfirst IPO filings is used to calculate registration fees. Thefinal size of the IPO could be different.