AthenaHealth Files for IPO

AthenaHealth Inc., a Watertown, Mass.-based provider of online business services for physician practices, has filed for an $86.25 million IPO. It plans to trade on the Nasdaq under ticker symbol ATHN, with Goldman Sachs and Merrill Lynch serving as co-lead underwriters. AthenaHealth has raised around $34 million in venture capital funding since its 1997 inception, from firms like Oak Investment Partners (19.5% pre-IPO stake), Venrock Associates (16.7%), Draper Fisher Jurvetson (15%) and Cardinal Partners (14.3%).